1 // We were using PBUFFER for alpha compositing on Linux before, but it does not seem to work, nor be required anymore.
4 namespace gfx::drivers;
7 #if defined(__unix__) || defined(__APPLE__)
9 #if !defined(__MINGW32__)
10 #define GL_GLEXT_PROTOTYPES
15 //#include <GL/miniglx.h>
19 #if defined(__ANDROID__)
23 #define property _property
27 #define Window X11Window
28 #define Cursor X11Cursor
30 #define Display X11Display
32 #define KeyCode X11KeyCode
33 #define Picture X11Picture
37 #include <X11/Xutil.h>
39 #include <X11/extensions/XShm.h>
42 #include <X11/extensions/Xrender.h>
43 #include <X11/extensions/shape.h>
63 #if defined(__APPLE__)
64 #include <OpenGl/gl.h>
67 #if defined(__WIN32__) || defined(__unix__) || defined(__APPLE__)
69 #if defined(__WIN32__)
70 #define WIN32_LEAN_AND_MEAN
72 #define _WIN32_WINNT 0x0500
78 #if defined(__ANDROID__)
92 #if defined(__unix__) || defined(__APPLE__)
100 static double nearPlane = 1;
102 #define glLoadMatrix glLoadMatrixd
103 #define glMultMatrix glMultMatrixd
104 #define glGetMatrix glGetDoublev
105 #define glTranslate glTranslated
106 #define glScale glScaled
109 #define glVertex3v glVertex3dv
110 #define glNormal3v glNormal3dv
114 //#ifdef VERTEX_FORMAT_DOUBLE
116 #define glLoadMatrix glLoadMatrixd
117 #define glMultMatrix glMultMatrixd
118 #define glGetMatrix glGetDoublev
119 #define glVertex3v glVertex3dv
120 #define glNormal3v glNormal3dv
121 #define glTranslate glTranslated
122 #define glScale glScaled
123 //#define GL_VERTEX_FORMAT GL_DOUBLE
127 #define glLoadMatrix glLoadMatrixf
128 #define glMultMatrix glMultMatrixf
129 #define glGetMatrix glGetFloatv
130 #define glVertex3v glVertex3fv
131 #define glNormal3v glNormal3fv
132 #define glTranslate glTranslatef
133 #define glScale glScalef
134 //#define GL_VERTEX_FORMAT GL_FLOAT
139 #define GL_ARRAY_BUFFER_ARB 0x8892
140 #define GL_ELEMENT_ARRAY_BUFFER_ARB 0x8893
141 #define GL_STATIC_DRAW_ARB 0x88E4
142 #define GL_LIGHT_MODEL_COLOR_CONTROL 0x81F8
143 #define GL_SEPARATE_SPECULAR_COLOR 0x81FA
145 #define GL_MULTISAMPLE_ARB 0x809D
147 #if defined(__WIN32__)
149 #define WGL_SAMPLE_BUFFERS_ARB 0x2041
150 #define WGL_SAMPLES_ARB 0x2042
152 #define WGL_WGLEXT_VERSION 1
153 #define WGL_FRONT_COLOR_BUFFER_BIT_ARB 0x00000001
154 #define WGL_BACK_COLOR_BUFFER_BIT_ARB 0x00000002
155 #define WGL_DEPTH_BUFFER_BIT_ARB 0x00000004
156 #define WGL_STENCIL_BUFFER_BIT_ARB 0x00000008
157 #define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
158 #define WGL_DRAW_TO_WINDOW_ARB 0x2001
159 #define WGL_DRAW_TO_BITMAP_ARB 0x2002
160 #define WGL_ACCELERATION_ARB 0x2003
161 #define WGL_NEED_PALETTE_ARB 0x2004
162 #define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
163 #define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
164 #define WGL_SWAP_METHOD_ARB 0x2007
165 #define WGL_NUMBER_OVERLAYS_ARB 0x2008
166 #define WGL_NUMBER_UNDERLAYS_ARB 0x2009
167 #define WGL_TRANSPARENT_ARB 0x200A
168 #define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
169 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
170 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
171 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
172 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
173 #define WGL_SHARE_DEPTH_ARB 0x200C
174 #define WGL_SHARE_STENCIL_ARB 0x200D
175 #define WGL_SHARE_ACCUM_ARB 0x200E
176 #define WGL_SUPPORT_GDI_ARB 0x200F
177 #define WGL_SUPPORT_OPENGL_ARB 0x2010
178 #define WGL_DOUBLE_BUFFER_ARB 0x2011
179 #define WGL_STEREO_ARB 0x2012
180 #define WGL_PIXEL_TYPE_ARB 0x2013
181 #define WGL_COLOR_BITS_ARB 0x2014
182 #define WGL_RED_BITS_ARB 0x2015
183 #define WGL_RED_SHIFT_ARB 0x2016
184 #define WGL_GREEN_BITS_ARB 0x2017
185 #define WGL_GREEN_SHIFT_ARB 0x2018
186 #define WGL_BLUE_BITS_ARB 0x2019
187 #define WGL_BLUE_SHIFT_ARB 0x201A
188 #define WGL_ALPHA_BITS_ARB 0x201B
189 #define WGL_ALPHA_SHIFT_ARB 0x201C
190 #define WGL_ACCUM_BITS_ARB 0x201D
191 #define WGL_ACCUM_RED_BITS_ARB 0x201E
192 #define WGL_ACCUM_GREEN_BITS_ARB 0x201F
193 #define WGL_ACCUM_BLUE_BITS_ARB 0x2020
194 #define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
195 #define WGL_DEPTH_BITS_ARB 0x2022
196 #define WGL_STENCIL_BITS_ARB 0x2023
197 #define WGL_AUX_BUFFERS_ARB 0x2024
198 #define WGL_NO_ACCELERATION_ARB 0x2025
199 #define WGL_GENERIC_ACCELERATION_ARB 0x2026
200 #define WGL_FULL_ACCELERATION_ARB 0x2027
201 #define WGL_SWAP_EXCHANGE_ARB 0x2028
202 #define WGL_SWAP_COPY_ARB 0x2029
203 #define WGL_SWAP_UNDEFINED_ARB 0x202A
204 #define WGL_TYPE_RGBA_ARB 0x202B
205 #define WGL_TYPE_COLORINDEX_ARB 0x202C
206 #define ERROR_INVALID_PIXEL_TYPE_ARB 0x2043
207 #define ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB 0x2054
208 #define WGL_DRAW_TO_PBUFFER_ARB 0x202D
209 #define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
210 #define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
211 #define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
212 #define WGL_PBUFFER_LARGEST_ARB 0x2033
213 #define WGL_PBUFFER_WIDTH_ARB 0x2034
214 #define WGL_PBUFFER_HEIGHT_ARB 0x2035
215 #define WGL_PBUFFER_LOST_ARB 0x2036
216 #define ERROR_INVALID_PIXEL_TYPE_EXT 0x2043
217 #define WGL_NUMBER_PIXEL_FORMATS_EXT 0x2000
218 #define WGL_DRAW_TO_WINDOW_EXT 0x2001
219 #define WGL_DRAW_TO_BITMAP_EXT 0x2002
220 #define WGL_ACCELERATION_EXT 0x2003
221 #define WGL_NEED_PALETTE_EXT 0x2004
222 #define WGL_NEED_SYSTEM_PALETTE_EXT 0x2005
223 #define WGL_SWAP_LAYER_BUFFERS_EXT 0x2006
224 #define WGL_SWAP_METHOD_EXT 0x2007
225 #define WGL_NUMBER_OVERLAYS_EXT 0x2008
226 #define WGL_NUMBER_UNDERLAYS_EXT 0x2009
227 #define WGL_TRANSPARENT_EXT 0x200A
228 #define WGL_TRANSPARENT_VALUE_EXT 0x200B
229 #define WGL_SHARE_DEPTH_EXT 0x200C
230 #define WGL_SHARE_STENCIL_EXT 0x200D
231 #define WGL_SHARE_ACCUM_EXT 0x200E
232 #define WGL_SUPPORT_GDI_EXT 0x200F
233 #define WGL_SUPPORT_OPENGL_EXT 0x2010
234 #define WGL_DOUBLE_BUFFER_EXT 0x2011
235 #define WGL_STEREO_EXT 0x2012
236 #define WGL_PIXEL_TYPE_EXT 0x2013
237 #define WGL_COLOR_BITS_EXT 0x2014
238 #define WGL_RED_BITS_EXT 0x2015
239 #define WGL_RED_SHIFT_EXT 0x2016
240 #define WGL_GREEN_BITS_EXT 0x2017
241 #define WGL_GREEN_SHIFT_EXT 0x2018
242 #define WGL_BLUE_BITS_EXT 0x2019
243 #define WGL_BLUE_SHIFT_EXT 0x201A
244 #define WGL_ALPHA_BITS_EXT 0x201B
245 #define WGL_ALPHA_SHIFT_EXT 0x201C
246 #define WGL_ACCUM_BITS_EXT 0x201D
247 #define WGL_ACCUM_RED_BITS_EXT 0x201E
248 #define WGL_ACCUM_GREEN_BITS_EXT 0x201F
249 #define WGL_ACCUM_BLUE_BITS_EXT 0x2020
250 #define WGL_ACCUM_ALPHA_BITS_EXT 0x2021
251 #define WGL_DEPTH_BITS_EXT 0x2022
252 #define WGL_STENCIL_BITS_EXT 0x2023
253 #define WGL_AUX_BUFFERS_EXT 0x2024
254 #define WGL_NO_ACCELERATION_EXT 0x2025
255 #define WGL_GENERIC_ACCELERATION_EXT 0x2026
256 #define WGL_FULL_ACCELERATION_EXT 0x2027
257 #define WGL_SWAP_EXCHANGE_EXT 0x2028
258 #define WGL_SWAP_COPY_EXT 0x2029
259 #define WGL_SWAP_UNDEFINED_EXT 0x202A
260 #define WGL_TYPE_RGBA_EXT 0x202B
261 #define WGL_TYPE_COLORINDEX_EXT 0x202C
262 #define WGL_DRAW_TO_PBUFFER_EXT 0x202D
263 #define WGL_MAX_PBUFFER_PIXELS_EXT 0x202E
264 #define WGL_MAX_PBUFFER_WIDTH_EXT 0x202F
265 #define WGL_MAX_PBUFFER_HEIGHT_EXT 0x2030
266 #define WGL_OPTIMAL_PBUFFER_WIDTH_EXT 0x2031
267 #define WGL_OPTIMAL_PBUFFER_HEIGHT_EXT 0x2032
268 #define WGL_PBUFFER_LARGEST_EXT 0x2033
269 #define WGL_PBUFFER_WIDTH_EXT 0x2034
270 #define WGL_PBUFFER_HEIGHT_EXT 0x2035
271 #define WGL_DEPTH_FLOAT_EXT 0x2040
272 #define WGL_SAMPLE_BUFFERS_3DFX 0x2060
273 #define WGL_SAMPLES_3DFX 0x2061
274 #define WGL_SAMPLE_BUFFERS_EXT 0x2041
275 #define WGL_SAMPLES_EXT 0x2042
276 #define WGL_GENLOCK_SOURCE_MULTIVIEW_I3D 0x2044
277 #define WGL_GENLOCK_SOURCE_EXTENAL_SYNC_I3D 0x2045
278 #define WGL_GENLOCK_SOURCE_EXTENAL_FIELD_I3D 0x2046
279 #define WGL_GENLOCK_SOURCE_EXTENAL_TTL_I3D 0x2047
280 #define WGL_GENLOCK_SOURCE_DIGITAL_SYNC_I3D 0x2048
281 #define WGL_GENLOCK_SOURCE_DIGITAL_FIELD_I3D 0x2049
282 #define WGL_GENLOCK_SOURCE_EDGE_FALLING_I3D 0x204A
283 #define WGL_GENLOCK_SOURCE_EDGE_RISING_I3D 0x204B
284 #define WGL_GENLOCK_SOURCE_EDGE_BOTH_I3D 0x204C
285 #define WGL_GAMMA_TABLE_SIZE_I3D 0x204E
286 #define WGL_GAMMA_EXCLUDE_DESKTOP_I3D 0x204F
287 #define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_FRAMEBUFFER_I3D 0x2050
288 #define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_VALUE_I3D 0x2051
289 #define WGL_DIGITAL_VIDEO_CURSOR_INCLUDED_I3D 0x2052
290 #define WGL_DIGITAL_VIDEO_GAMMA_CORRECTED_I3D 0x2053
291 #define WGL_ARB_buffer_region 1
292 #define WGL_ARB_extensions_string 1
293 #define WGL_ARB_pixel_format 1
294 #define WGL_ARB_make_current_read 1
295 #define WGL_ARB_pbuffer 1
296 #define WGL_EXT_display_color_table 1
297 #define WGL_EXT_extensions_string 1
298 #define WGL_EXT_make_current_read 1
299 #define WGL_EXT_pbuffer 1
300 #define WGL_EXT_pixel_format 1
301 #define WGL_EXT_swap_control 1
302 #define WGL_WGL_EXT_depth_float 1
303 #define WGL_WGL_3DFX_multisample 1
304 #define WGL_WGL_EXT_multisample 1
305 #define WGL_NV_allocate_memory 1
308 typedef void (APIENTRY * PFNGLACTIVETEXTUREARBPROC) (GLenum target);
309 typedef void (APIENTRY * PFNGLMULTITEXCOORD2FARBPROC) (GLenum target, GLfloat s, GLfloat t);
310 typedef void (APIENTRY * PFNGLCLIENTACTIVETEXTUREARBPROC) (GLenum target);
311 typedef void (APIENTRY * PFNGLLOCKARRAYSEXTPROC) (GLint first, GLsizei count);
312 typedef void (APIENTRY * PFNGLUNLOCKARRAYSEXTPROC) (void);
316 typedef int (APIENTRY * PFNGLBINDBUFFERARBPROC) (GLenum target, GLuint buffer);
317 typedef int (APIENTRY * PFNGLDELETEBUFFERSARBPROC) (GLsizei n, const GLuint *buffers);
318 typedef int (APIENTRY * PFNGLGENBUFFERSARBPROC) (GLsizei n, GLuint *buffers);
319 typedef int (APIENTRY * PFNGLBUFFERDATAARBPROC) (GLenum target, int size, const GLvoid *data, GLenum usage);
321 typedef int (APIENTRY * PFNWGLCHOOSEPIXELFORMATARBPROC) ();
322 typedef void * (APIENTRY * PFNWGLCREATEPBUFFERARBPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
323 typedef HDC (APIENTRY * PFNWGLGETPBUFFERDCARBPROC) (void * hPbuffer);
324 typedef int (APIENTRY * PFNWGLRELEASEPBUFFERDCARBPROC) (void * hPbuffer, HDC hDC);
325 typedef BOOL (APIENTRY * PFNWGLDESTROYPBUFFERARBPROC) (void * hPbuffer);
326 typedef BOOL (APIENTRY * PFNWGLQUERYPBUFFERARBPROC) (void * hPbuffer, int iAttribute, int *piValue);
328 static PFNGLMAPBUFFERARBPROC glMapBufferARB = null;
329 static PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB = null;
330 static PFNGLACTIVETEXTUREARBPROC glActiveTextureARB = null;
331 static PFNGLMULTITEXCOORD2FARBPROC glMultiTexCoord2fARB = null;
332 static PFNGLCLIENTACTIVETEXTUREARBPROC glClientActiveTextureARB = null;
333 static PFNGLLOCKARRAYSEXTPROC glLockArraysEXT = null;
334 static PFNGLUNLOCKARRAYSEXTPROC glUnlockArraysEXT = null;
335 static PFNGLBLENDFUNCSEPARATEPROC glBlendFuncSeparate = null;
337 static PFNGLGENBUFFERSARBPROC glGenBuffersARB = null;
338 static PFNGLBINDBUFFERARBPROC glBindBufferARB = null;
339 static PFNGLBUFFERDATAARBPROC glBufferDataARB = null;
340 static PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB = null;
341 static PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARB = null;
342 static PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = null;
343 static PFNWGLCREATEPBUFFERARBPROC wglCreatePbufferARB = null;
344 static PFNWGLGETPBUFFERDCARBPROC wglGetPbufferDCARB = null;
345 static PFNWGLQUERYPBUFFERARBPROC wglQueryPbufferARB = null;
346 static PFNWGLDESTROYPBUFFERARBPROC wglDestroyPbufferARB = null;
347 static PFNWGLRELEASEPBUFFERDCARBPROC wglReleasePbufferDCARB = null;
348 static PFNWGLBINDTEXIMAGEARBPROC wglBindTexImageARB = null;
349 static PFNWGLRELEASETEXIMAGEARBPROC wglReleaseTexImageARB = null;
351 #ifdef WGL_WGLEXT_PROTOTYPES
352 extern BOOL WINAPI wglSwapIntervalEXT (int);
353 extern int WINAPI wglGetSwapIntervalEXT (void);
354 #endif /* WGL_WGLEXT_PROTOTYPES */
355 typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC) (int interval);
356 typedef int (WINAPI * PFNWGLGETSWAPINTERVALEXTPROC) (void);
358 static PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT = NULL;
362 #if defined(__ANDROID__)
364 // Our own matrix stack
365 static Matrix matrixStack[3][32];
366 static int matrixIndex[3];
367 static int curStack = 0;
369 // OpenGL ES Porting Kit
371 #define glBindFramebuffer glBindFramebufferOES
372 #define glBindRenderbuffer glBindRenderbufferOES
373 #define GL_FRAMEBUFFER GL_FRAMEBUFFER_OES
374 #define GL_RENDERBUFFER GL_RENDERBUFFER_OES
375 #define glFramebufferTexture2D glFramebufferTexture2DOES
376 #define GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_OES
377 #define glGenFramebuffers glGenFramebuffersOES
378 #define glGenRenderbuffers glGenRenderbuffersOES
379 #define glDeleteFramebuffers glDeleteFramebuffersOES
380 #define glDeleteRenderbuffers glDeleteRenderbuffersOES
382 #define GL_POLYGON_STIPPLE 0xFFFF
383 #define GL_LINE_STIPPLE 0xFFFF
384 #define GL_LINE 0xFFFF
385 #define GL_FILL 0xFFFF
386 #define GL_ALL_ATTRIB_BITS 0xFFFF
387 #define GL_LIGHT_MODEL_LOCAL_VIEWER 0xFFFF
388 #define glDrawElementsi(type, count, start) glDrawElements(type, count, GL_UNSIGNED_SHORT, start)
390 #define GL_UNSIGNED_INT 0x1405
391 #define GL_DOUBLE 0x140A
396 #define glBufferDatai glesBufferDatai
397 #define glBufferDatad glesBufferDatad
398 #define glVertexPointeri glesVertexPointeri
399 #define glVertexPointerd glesVertexPointerd
401 #define glRecti glesRecti
402 #define glBegin glesBegin
403 #define glTexCoord2i glesTexCoord2i
404 #define glVertex2i glesVertex2i
405 #define glTexCoord2d glesTexCoord2d
406 #define glVertex2d glesVertex2d
407 #define glTexCoord2f glesTexCoord2f
408 #define glVertex2f glesVertex2f
409 #define glEnd glesEnd
410 #define glColor3f glesColor3f
411 #define glColor4ub glesColor4ub
412 #define glColor4fv glesColor4fv
413 #define glLineStipple glesLineStipple
414 #define glNormal3fv glesNormal3fv
415 #define glTexCoord2fv glesTexCoord2fv
416 #define glColorMaterial glesColorMaterial
418 #define glLoadMatrixd glesLoadMatrixd
419 #define glMultMatrixd glesMultMatrixd
420 #define glFrustum glesFrustum
421 #define glOrtho glesOrtho
422 #define glScaled glesScaled
423 #define glTranslated glesTranslated
424 #define glRotated glesRotated
425 #define glVertex3d glesVertex3d
426 #define glVertex3f glesVertex3f
427 #define glVertex3fv glesVertex3fv
428 #define glLightModeli glesLightModeli
432 #define GL_QUAD_STRIP 0
433 //#define GL_DOUBLE 0
434 //#define GL_UNSIGNED_INT 0
437 //#define GL_LINE_STIPPLE 0
438 #define GL_BGRA_EXT 0
439 #define GL_UNPACK_ROW_LENGTH 0
440 #define GL_UNPACK_SKIP_PIXELS 0
441 #define GL_UNPACK_SKIP_ROWS 0
443 #define GL_PACK_ROW_LENGTH 0
444 #define GL_PACK_SKIP_ROWS 0
445 #define GL_PACK_SKIP_PIXELS 0
447 static EGLDisplay eglDisplay;
448 static EGLSurface eglSurface;
449 static EGLContext eglContext;
450 static int eglWidth, eglHeight;
452 static bool egl_init_display(ANativeWindow* window)
454 const EGLint attribs[] =
456 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
461 /*EGL_SAMPLE_BUFFERS, 1,
462 EGL_SAMPLES, 0, //2,*/
465 EGLint w, h, dummy, format;
471 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
472 eglInitialize(display, 0, 0);
473 eglChooseConfig(display, attribs, &config, 1, &numConfigs);
474 eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
476 surface = eglCreateWindowSurface(display, config, window, null);
477 context = eglCreateContext(display, config, null, null);
479 if(!eglMakeCurrent(display, surface, surface, context))
482 eglQuerySurface(display, surface, EGL_WIDTH, &w);
483 eglQuerySurface(display, surface, EGL_HEIGHT, &h);
485 eglDisplay = display;
486 eglContext = context;
487 eglSurface = surface;
491 glEnableClientState(GL_VERTEX_ARRAY);
493 // Initialize GL state.
494 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
495 glEnable(GL_CULL_FACE);
496 glShadeModel(GL_SMOOTH);
497 glDisable(GL_DEPTH_TEST);
499 glDisable(GL_CULL_FACE);
500 glDisable(GL_DEPTH_TEST);
502 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
505 matrixStack[0][0].Identity();
506 matrixStack[1][0].Identity();
507 matrixStack[2][0].Identity();
509 glesMatrixMode(GL_MODELVIEW);
510 glScaled(1.0, 1.0, -1.0);
511 glesMatrixMode(GL_PROJECTION);
512 glShadeModel(GL_FLAT);
514 glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
515 glFogi(GL_FOG_MODE, GL_EXP);
516 glFogf(GL_FOG_DENSITY, 0);
517 glEnable(GL_NORMALIZE);
518 glDepthFunc(GL_LESS);
520 glDisable(GL_MULTISAMPLE_ARB);
524 glOrtho(0,w,h,0,0.0,1.0);
526 currentVertexBuffer = 0;
530 static void egl_term_display()
534 glDeleteTextures(1, (int *)&stippleTexture);
537 if(eglDisplay != EGL_NO_DISPLAY)
539 eglMakeCurrent(eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
540 if(eglContext != EGL_NO_CONTEXT)
541 eglDestroyContext(eglDisplay, eglContext);
542 if(eglSurface != EGL_NO_SURFACE)
543 eglDestroySurface(eglDisplay, eglSurface);
544 eglTerminate(eglDisplay);
546 eglDisplay = EGL_NO_DISPLAY;
547 eglContext = EGL_NO_CONTEXT;
548 eglSurface = EGL_NO_SURFACE;
551 // OpenGL Immediate Mode Porting Kit
552 static int beginCount;
553 static int vertexCount;
554 static int normalCount;
555 static float *vertexPointer;
556 static float *normalPointer;
557 static GLenum beginMode;
558 static unsigned int beginBufferSize, normalBufferSize;
559 static int numVertexCoords = 2;
561 void glesRecti(int a, int b, int c, int d)
571 void glesBegin(GLenum mode)
578 normalBufferSize = beginBufferSize = 1024; // default number of vertices
579 vertexPointer = new float[beginBufferSize * 5];
580 normalPointer = new float[normalBufferSize * 3];
584 void glesTexCoord2f(float x, float y)
586 int count = vertexCount;
588 if(vertexCount + numVertexCoords > beginBufferSize)
590 beginBufferSize = beginBufferSize + beginBufferSize/2;
591 vertexPointer = renew vertexPointer float[beginBufferSize * 5];
594 vertexPointer[count*(2+numVertexCoords) ] = x;
595 vertexPointer[count*(2+numVertexCoords)+1] = y;
598 if(beginMode == GL_QUADS && ((beginCount % 4) == 3))
600 vertexPointer[count*(2+numVertexCoords) ] = vertexPointer[(count-4)*(2+numVertexCoords)];
601 vertexPointer[count*(2+numVertexCoords)+1] = vertexPointer[(count-4)*(2+numVertexCoords)+1];
603 vertexPointer[count*(2+numVertexCoords) ] = vertexPointer[(count-3)*(2+numVertexCoords)];
604 vertexPointer[count*(2+numVertexCoords)+1] = vertexPointer[(count-3)*(2+numVertexCoords)+1];
608 void glesTexCoord2i(int x, int y) { glesTexCoord2f((float)x, (float)y); }
609 void glesTexCoord2d(double x, double y) { glesTexCoord2f((float)x, (float)y); }
610 void glesTexCoord2fv(float * a) { glesTexCoord2f(a[0], a[1]); }
612 void glesVertex2f(float x, float y)
615 if(vertexCount + 4 > beginBufferSize)
617 beginBufferSize = beginBufferSize + beginBufferSize/2;
618 vertexPointer = renew vertexPointer float[beginBufferSize * 5];
621 vertexPointer[vertexCount*4+2] = x;
622 vertexPointer[vertexCount*4+3] = y;
625 if(beginMode == GL_QUADS && ((beginCount % 4) == 3))
627 vertexPointer[vertexCount*4+2] = vertexPointer[(vertexCount-4)*4+2];
628 vertexPointer[vertexCount*4+3] = vertexPointer[(vertexCount-4)*4+3];
630 vertexPointer[vertexCount*4+2] = vertexPointer[(vertexCount-3)*4+2];
631 vertexPointer[vertexCount*4+3] = vertexPointer[(vertexCount-3)*4+3];
636 void glesVertex2i(int x, int y) { glesVertex2f((float)x, (float)y); }
637 void glesVertex2d(double x, double y) { glesVertex2f((float)x, (float)y); }
641 int mode = beginMode;
642 if(mode == GL_QUADS) mode = GL_TRIANGLES;
643 else if(mode == GL_POLYGON) mode = GL_TRIANGLE_FAN;
645 glEnableClientState(GL_TEXTURE_COORD_ARRAY);
646 glTexCoordPointer(numVertexCoords, GL_FLOAT, (numVertexCoords+2)*sizeof(float),vertexPointer);
647 glVertexPointer (numVertexCoords, GL_FLOAT, (numVertexCoords+2)*sizeof(float),vertexPointer+2);
648 if(normalCount && normalCount == vertexCount)
650 glEnableClientState(GL_NORMAL_ARRAY);
651 glNormalPointer (GL_FLOAT, 3*sizeof(float),normalPointer);
654 glDrawArrays(mode, 0, vertexCount);
656 glDisableClientState(GL_NORMAL_ARRAY);
657 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
662 static float *floatVPBuffer = null;
663 static short *shortVPBuffer = null;
664 static unsigned int shortVPSize = 0, floatVPSize = 0;
667 //static float *floatVPBuffer = null; // For floats we reuse floatVPBuffer
668 static unsigned short *shortBDBuffer = null;
669 static unsigned int shortBDSize = 0/*, floatVPSize = 0*/;
671 void glesVertexPointeri(int numCoords, int stride, int *pointer, int numVertices)
676 if(numVertices*numCoords > shortVPSize)
678 shortVPSize = numVertices*numCoords;
679 shortVPBuffer = renew shortVPBuffer short[shortVPSize];
681 for(i = 0; i < numVertices*numCoords; i++)
682 shortVPBuffer[i] = (short)pointer[i];
683 glVertexPointer(numCoords, GL_SHORT, stride, shortVPBuffer);
686 glVertexPointer(numCoords, GL_SHORT, stride, 0);
689 void glesVertexPointerd(int numCoords, int stride, double *pointer, int numVertices)
694 if(numVertices*numCoords > floatVPSize)
696 floatVPSize = numVertices*numCoords;
697 floatVPBuffer = renew floatVPBuffer float[floatVPSize];
699 for(i = 0; i < numVertices*numCoords; i++)
700 floatVPBuffer[i] = (float)pointer[i];
701 glVertexPointer(numCoords, GL_FLOAT, stride, floatVPBuffer);
704 glVertexPointer(numCoords, GL_FLOAT, stride, 0);
707 void glesTexReuseIntVP(int numCoords)
709 glTexCoordPointer(numCoords, GL_SHORT, 0, floatVPBuffer);
712 void glesTexReuseDoubleVP(int numCoords)
714 glTexCoordPointer(numCoords, GL_FLOAT, 0, floatVPBuffer);
717 void glesColor3f( float r, float g, float b )
719 glColor4f(r, g, b, 1.0f);
722 void glesColor4ub(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
724 glColor4f(r/255.0f, g/255.0f, b/255.0f, a/255.0f);
727 void glesColor4fv(float * a)
729 glColor4f(a[0], a[1], a[2], a[3]);
732 void glesBufferDatad(int target, int size, void * data, int usage)
734 int numElems = size/sizeof(double);
735 double * dblPtr = (double *)data;
737 if (numElems > floatVPSize)
739 floatVPSize = numElems;
740 floatVPBuffer = renew floatVPBuffer float[floatVPSize];
742 for (i=0; i< numElems; i++)
743 floatVPBuffer[i] = (float)dblPtr[i];
745 glBufferData(target, numElems*sizeof(float), floatVPBuffer, usage);
748 void glesBufferDatai(int target, int size, void * data, int usage)
750 int numElems = size/sizeof(unsigned int);
751 unsigned int * pointer = (unsigned int *)data;
753 if (numElems > shortBDSize)
755 shortBDSize = numElems;
756 shortBDBuffer = renew shortBDBuffer uint16[shortBDSize];
758 for (i=0; i< numElems; i++)
759 shortBDBuffer[i] = (unsigned short)pointer[i];
761 glBufferData(target, numElems*sizeof(unsigned short), shortBDBuffer, usage);
764 // *** Our Custom Matrix Stack ***
766 static void LoadCurMatrix()
768 double * i = matrixStack[curStack][matrixIndex[curStack]].array;
771 (float)i[0],(float)i[1],(float)i[2],(float)i[3],
772 (float)i[4],(float)i[5],(float)i[6],(float)i[7],
773 (float)i[8],(float)i[9],(float)i[10],(float)i[11],
774 (float)i[12],(float)i[13],(float)i[14],(float)i[15]
779 void glesLoadIdentity()
781 matrixStack[curStack][matrixIndex[curStack]].Identity();
785 void glesPushMatrix()
787 if(matrixIndex[curStack] + 1 < sizeof(matrixStack[0]) / sizeof(Matrix))
789 matrixIndex[curStack]++;
790 memcpy(matrixStack[curStack][matrixIndex[curStack]].array, matrixStack[curStack][matrixIndex[curStack]-1].array, sizeof(Matrix));
796 if(matrixIndex[curStack] > 0)
798 matrixIndex[curStack]--;
803 void glesLoadMatrixd(double * i)
805 memcpy(matrixStack[curStack][matrixIndex[curStack]].array, i, sizeof(Matrix));
809 void glesOrtho( double l, double r, double b, double t, double n, double f )
813 (2 / (r - l)), 0, 0, 0,
814 0, (2 / (t - b)), 0, 0,
815 0, 0, (-2 / (f - n)), 0,
816 (-(r + l) / (r - l)), (-(t + b) / (t - b)), (-(f + n) / (f - n)), 1
818 res.Multiply(m, matrixStack[curStack][matrixIndex[curStack]]);
819 matrixStack[curStack][matrixIndex[curStack]] = res;
823 void glesFrustum( double l, double r, double b, double t, double n, double f )
833 double A = ((r + l) / (r - l));
834 double B = ((t + b) / (t - b));
835 double C = (-(f + n) / (f - n));
836 double D = (-2*f*n/(f-n));
839 (2.0*n / (r - l)), 0, 0, 0,
840 0, (2.0*n / (t - b)), 0, 0,
844 res.Multiply(m, matrixStack[curStack][matrixIndex[curStack]]);
845 matrixStack[curStack][matrixIndex[curStack]] = res;
850 void glesRotated( double a, double b, double c, double d )
854 q.RotationAxis({(float)b,(float)-c,(float)d}, a );
855 m.RotationQuaternion(q);
856 matrixStack[curStack][matrixIndex[curStack]].Rotate(q);
859 void glesScaled( double a, double b, double c )
865 r.Multiply(m, matrixStack[curStack][matrixIndex[curStack]]);
866 matrixStack[curStack][matrixIndex[curStack]] = r;
870 void glesTranslated( double a, double b, double c )
876 r.Multiply(m, matrixStack[curStack][matrixIndex[curStack]]);
877 matrixStack[curStack][matrixIndex[curStack]] = r;
881 void glesMultMatrixd( double * i )
884 r.Multiply((Matrix *)i, matrixStack[curStack][matrixIndex[curStack]]);
885 matrixStack[curStack][matrixIndex[curStack]] = r;
889 void glesMatrixMode(int mode)
891 curStack = mode == GL_MODELVIEW ? 0 : mode == GL_PROJECTION ? 1 : 2;
895 #define glPushMatrix glesPushMatrix
896 #define glPopMatrix glesPopMatrix
897 #define glLoadIdentity glesLoadIdentity
898 #define glMatrixMode glesMatrixMode
900 /* Using the built-in matrix stack
901 void glesLoadMatrixd( double * i )
905 (float)i[0],(float)i[1],(float)i[2],(float)i[3],
906 (float)i[4],(float)i[5],(float)i[6],(float)i[7],
907 (float)i[8],(float)i[9],(float)i[10],(float)i[11],
908 (float)i[12],(float)i[13],(float)i[14],(float)i[15]
913 void glesOrtho( double l, double r, double b, double t, double n, double f )
917 { (float)(2 / (r - l)), 0, 0, 0 },
918 { 0, (float)(2 / (t - b)), 0, 0 },
919 { 0, 0, (float)(-2 / (f - n)), 0 },
920 { (float)(-(r + l) / (r - l)), (float)(-(t + b) / (t - b)), (float)(-(f + n) / (f - n)), 1 }
922 glMultMatrixf((float *)matrix);
925 void glesFrustum( double l, double r, double b, double t, double n, double f )
927 float A = (float)((r + l) / (r - l));
928 float B = (float)((t + b) / (t - b));
929 float C = (float)(-(f + n) / (f - n));
930 float D = (float)(-2*f*n/(f-n));
933 { (float)(2*n / (r - l)), 0, 0, 0 },
934 { 0, (float)(2*n / (t - b)), 0, 0 },
938 glMultMatrixf((float *)matrix);
941 void glesRotated( double a, double b, double c, double d ) { glRotatef((float)a, (float)b, (float)c, (float)d); }
942 void glesScaled( double a, double b, double c ) { glScalef((float)a, (float)b, (float)c); }
943 void glesTranslated( double a, double b, double c ) { glTranslatef((float)a, (float)b, (float)c); }
945 void glesMultMatrixd( double * i )
949 (float)i[0], (float)i[1], (float)i[2], (float)i[3],
950 (float)i[4], (float)i[5], (float)i[6], (float)i[7],
951 (float)i[8], (float)i[9], (float)i[10], (float)i[11],
952 (float)i[12], (float)i[13], (float)i[14], (float)i[15]
958 // Need to do these...
959 void glesVertex3f( float x, float y, float z )
962 if(vertexCount + 4 > beginBufferSize)
964 beginBufferSize = beginBufferSize + beginBufferSize/2;
965 vertexPointer = renew vertexPointer float[beginBufferSize * 5];
968 vertexPointer[vertexCount*5+2] = x;
969 vertexPointer[vertexCount*5+3] = y;
970 vertexPointer[vertexCount*5+4] = z;
973 if(beginMode == GL_QUADS && ((beginCount % 4) == 3))
975 vertexPointer[vertexCount*5+2] = vertexPointer[(vertexCount-4)*5+2];
976 vertexPointer[vertexCount*5+3] = vertexPointer[(vertexCount-4)*5+3];
977 vertexPointer[vertexCount*5+4] = vertexPointer[(vertexCount-4)*5+4];
979 vertexPointer[vertexCount*5+2] = vertexPointer[(vertexCount-3)*5+2];
980 vertexPointer[vertexCount*5+3] = vertexPointer[(vertexCount-3)*5+3];
981 vertexPointer[vertexCount*5+4] = vertexPointer[(vertexCount-3)*5+4];
987 void glesVertex3d( double x, double y, double z ) { glesVertex3f((float)x, (float)y, (float)z); }
988 void glesVertex3fv( float* coords ) { glesVertex3f(coords[0], coords[1], coords[2]); }
990 void glesNormal3f(float x, float y, float z)
992 normalCount = vertexCount;
993 if(vertexCount + 4 > normalBufferSize)
995 normalBufferSize = normalBufferSize + normalBufferSize/2;
996 normalPointer = renew normalPointer float[normalBufferSize * 2];
999 normalPointer[normalCount*3+0] = x;
1000 normalPointer[normalCount*3+1] = y;
1001 normalPointer[normalCount*3+2] = z;
1004 if(beginMode == GL_QUADS && ((beginCount % 4) == 3))
1006 normalPointer[normalCount*3+0] = normalPointer[(normalCount-4)*3+0];
1007 normalPointer[normalCount*3+1] = normalPointer[(normalCount-4)*3+1];
1008 normalPointer[normalCount*3+2] = normalPointer[(normalCount-4)*3+2];
1010 normalPointer[normalCount*3+0] = normalPointer[(normalCount-3)*3+0];
1011 normalPointer[normalCount*3+1] = normalPointer[(normalCount-3)*3+1];
1012 normalPointer[normalCount*3+2] = normalPointer[(normalCount-3)*3+2];
1016 void glesNormal3fd(double x, double y, double z) { glesNormal3f((float)x, (float)y, (float)z); }
1017 void glesNormal3fv(float * coords) { glesNormal3f(coords[0], coords[1], coords[2]); }
1019 void glesColorMaterial(int a, int b)
1021 PrintLn("glColorMaterial stub");
1024 void glesTerminate()
1026 delete vertexPointer;
1027 beginBufferSize = 0;
1029 delete floatVPBuffer;
1032 delete shortVPBuffer;
1035 delete shortBDBuffer;
1039 static int stippleTexture;
1040 static bool stippleEnabled;
1042 void glesLineStipple( int i, unsigned short j )
1047 for(x = 0; x < 16; x++)
1049 bool v = (j & (1 << x)) != 0;
1050 texture[x] = v ? 0xFFFFFFFF : 0;
1053 glGenTextures(1, &stippleTexture);
1054 glBindTexture(GL_TEXTURE_2D, stippleTexture);
1055 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture);
1056 glEnable(GL_TEXTURE_2D);
1057 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1058 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1059 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
1060 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1061 glMatrixMode(GL_TEXTURE);
1063 //glTranslated(1.0/backAttrib->texW/2.0f, 1.0/backAttrib->texH/2.0f, 0.0f);
1064 glScaled(i/16.0, 1, 1.0f);
1065 glTranslated(0.5, 0.5, 0);
1066 glMatrixMode(GL_PROJECTION);
1069 void glesLightModeli( unsigned int pname, int param )
1071 if(pname == GL_LIGHT_MODEL_TWO_SIDE)
1072 glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, param);
1075 void glClearDepth( double depth ) { glClearDepthf((float)depth); }
1076 void glFogi( unsigned int pname, int param ) { }
1077 void glPolygonMode( unsigned int i, unsigned int j ) { }
1080 // *** Picking won't be supported for now ***
1081 void glPushName( unsigned int i ) { }
1082 void glLoadName( unsigned int i ) { }
1083 void glPopName() { }
1085 // Probably replace by regular glBlendFunc ...
1086 void glBlendFuncSeparate(int a, int b, int c, int d)
1091 // For direct pixel blitting...
1092 void glRasterPos2d(double a, double b) { }
1093 void glPixelZoom(float a, float b) { }
1094 void glDrawPixels(int a, int b, int c, int d, void * e) { }
1098 /* Non OpenGL ES friendly stuff
1099 #undef GL_UNSIGNED_INT
1104 #undef GL_QUAD_STRIP
1105 #undef GL_POLYGON_STIPPLE
1106 #undef GL_LINE_STIPPLE
1109 #undef GL_ALL_ATTRIB_BITS
1110 #undef GL_LIGHT_MODEL_LOCAL_VIEWER
1115 #if !defined(__APPLE__)
1116 void (APIENTRY * glBindBufferARB) (GLenum target, GLuint buffer);
1117 void (APIENTRY * glGenBuffersARB) (GLsizei n, GLuint *buffers);
1118 void (APIENTRY * glDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
1119 void (APIENTRY * glBufferDataARB) (GLenum target, int size, const GLvoid *data, GLenum usage);
1124 static int currentVertexBuffer;
1126 bool GLSelectVBO(uint vbo)
1128 if(currentVertexBuffer != vbo)
1130 GLBindBuffer(GL_ARRAY_BUFFER, vbo);
1131 currentVertexBuffer = vbo;
1137 void GLGenBuffers(int count, uint * buffer)
1140 glGenBuffers(count, buffer);
1143 glGenBuffersARB(count, buffer);
1147 void GLDeleteBuffers(int count, uint * buffer)
1150 glDeleteBuffers(count, buffer);
1152 if(glDeleteBuffersARB)
1153 glDeleteBuffersARB(count, buffer);
1157 void GLBindBuffer(int target, uint buffer)
1160 glBindBuffer(target, buffer);
1163 glBindBufferARB(target, buffer);
1167 void GLBufferData(int type, GLenum target, int size, const GLvoid *data, GLenum usage)
1170 if(type == GL_DOUBLE)
1171 glesBufferDatad(target, size, data, usage);
1172 else if(type == GL_UNSIGNED_INT)
1173 glesBufferDatai(target, size, data, usage);
1175 glBufferData(target, size, data, usage);
1178 glBufferDataARB(target, size, data, usage);
1183 static int displayWidth, displayHeight;
1185 #define GL_CLAMP_TO_EDGE 0x812F
1187 static bool vboAvailable;
1189 static bool useSingleGLContext = false;
1190 class OGLDisplay : struct
1192 #if defined(__WIN32__)
1202 int imageBuffers[2];
1203 byte * pboMemory1, * pboMemory2;
1206 GLXContext glContext;
1209 XShmSegmentInfo shminfo;
1211 XShmSegmentInfo shminfoShape;
1212 XImage * shapeImage;
1216 X11Picture windowPicture;
1217 X11Picture pixmapPicture;
1219 X11Picture shapePicture;
1222 ColorAlpha * flippingBuffer;
1223 int flipBufH, flipBufW;
1228 class OGLSystem : struct
1233 #if defined(__WIN32__)
1234 PIXELFORMATDESCRIPTOR pfd;
1240 XVisualInfo * visualInfo;
1241 GLXContext glContext;
1242 GLXDrawable glxDrawable;
1246 class OGLSurface : struct
1253 float foreground[4], background[4], bitmapMult[4];
1256 class OGLMesh : struct
1265 class OGLIndices : struct
1272 #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA)
1273 static int primitiveTypes[RenderPrimitiveType] =
1275 GL_POINTS, GL_LINES, GL_TRIANGLES, GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GL_QUADS, GL_QUAD_STRIP, GL_LINE_STRIP
1282 class OpenGLDisplayDriver : DisplayDriver
1284 class_property(name) = "OpenGL";
1286 bool LockSystem(DisplaySystem displaySystem)
1288 OGLSystem oglSystem = displaySystem.driverData;
1289 if(useSingleGLContext) return true;
1290 #if defined(__WIN32__)
1291 wglMakeCurrent(oglSystem.hdc, oglSystem.glrc);
1292 #elif defined(__unix__) || defined(__APPLE__)
1293 //if(previous) return true;
1294 // printf("Making SYSTEM current\n");
1295 #if !defined(__ANDROID__)
1296 glXMakeCurrent(xGlobalDisplay, (GLXDrawable)oglSystem.glxDrawable, oglSystem.glContext);
1298 //previous = oglSystem.glContext;
1303 void UnlockSystem(DisplaySystem displaySystem)
1305 if(useSingleGLContext) return;
1306 #if defined(__WIN32__)
1307 wglMakeCurrent(null, null);
1308 #elif defined(__unix__) || defined(__APPLE__)
1309 // printf("Making NULL current\n");
1310 #if defined(__ANDROID__)
1312 glXMakeCurrent(xGlobalDisplay, None, null);
1318 bool Lock(Display display)
1320 OGLDisplay oglDisplay = display.driverData;
1321 OGLSystem oglSystem = display.displaySystem.driverData;
1323 if(useSingleGLContext) return true;
1324 #if defined(__WIN32__)
1325 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1326 #elif defined(__unix__) || defined(__APPLE__)
1327 // if(previous) glXMakeCurrent(xGlobalDisplay, None, null);
1328 // printf(" Making DISPLAY current\n");
1329 #if defined(__ANDROID__)
1331 glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext);
1337 void Unlock(Display display)
1339 if(useSingleGLContext) return;
1340 //printf(" Making NULL current\n");
1341 //glXMakeCurrent(xGlobalDisplay, None, null);
1343 LockSystem(display.displaySystem);
1346 void DestroyDisplay(Display display)
1348 OGLDisplay oglDisplay = display.driverData;
1352 #if defined(__WIN32__)
1353 wglMakeCurrent( null, null );
1356 wglDeleteContext(oglDisplay.glrc);
1358 if(oglDisplay.hdc && oglDisplay.pBuffer)
1359 wglReleasePbufferDCARB(oglDisplay.pBuffer, oglDisplay.hdc);
1361 if(oglDisplay.pBuffer)
1362 wglDestroyPbufferARB(oglDisplay.pBuffer);
1365 ReleaseDC(display.window, oglDisplay.hdc);
1367 if(oglDisplay.memDC) DeleteDC(oglDisplay.memDC);
1368 if(oglDisplay.memBitmap) DeleteObject(oglDisplay.memBitmap);
1370 #elif defined(__unix__) || defined(__APPLE__)
1371 #if defined(__ANDROID__)
1373 if(oglDisplay.shapePixmap)
1374 XFreePixmap(xGlobalDisplay, oglDisplay.shapePixmap);
1375 if(oglDisplay.pixmap)
1376 XFreePixmap(xGlobalDisplay, oglDisplay.pixmap);
1377 if(oglDisplay.image)
1379 if(oglDisplay.shminfoShape.shmid != -1)
1381 XShmDetach(xGlobalDisplay, &oglDisplay.shminfo);
1382 if(oglDisplay.shminfo.shmaddr != (void *)-1)
1383 shmdt(oglDisplay.shminfo.shmaddr);
1384 shmctl(oglDisplay.shminfo.shmid, IPC_RMID, 0);
1387 if(oglDisplay.shapeImage)
1389 if(oglDisplay.shminfoShape.shmid != -1)
1391 XShmDetach(xGlobalDisplay, &oglDisplay.shminfoShape);
1392 if(oglDisplay.shminfoShape.shmaddr != (void *)-1)
1393 shmdt(oglDisplay.shminfoShape.shmaddr);
1394 shmctl(oglDisplay.shminfoShape.shmid, IPC_RMID, 0);
1396 XDestroyImage(oglDisplay.shapeImage);
1397 oglDisplay.shapeImage = None;
1400 glXMakeCurrent(xGlobalDisplay, None, null);
1402 if(oglDisplay.glContext)
1403 glXDestroyContext(xGlobalDisplay, oglDisplay.glContext);
1406 delete oglDisplay.flippingBuffer;
1408 display.driverData = null;
1412 void ::CheckExtensions(OGLSystem oglSystem)
1414 char * extensions = glGetString(GL_EXTENSIONS);
1416 oglSystem.pow2textures = strstr(extensions, "GL_ARB_texture_non_power_of_two") ? false : true;
1417 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &oglSystem.maxTextureSize);
1420 bool CreateDisplaySystem(DisplaySystem displaySystem)
1422 bool result = false;
1423 OGLSystem oglSystem = displaySystem.driverData = OGLSystem { };
1426 oglSystem.hwnd = CreateWindow("static", null, 0,0,0,0,0,null,null,null,null);
1428 oglSystem.hdc = GetDC(oglSystem.hwnd);
1432 oglSystem.pfd.nSize = (short)sizeof(oglSystem.pfd);
1433 oglSystem.pfd.nVersion = 1;
1434 oglSystem.pfd.dwFlags = PFD_DRAW_TO_WINDOW /*PFD_DRAW_TO_BITMAP*/ | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
1435 oglSystem.pfd.iPixelType = PFD_TYPE_RGBA;
1436 oglSystem.pfd.cColorBits = 24;
1437 oglSystem.pfd.cAlphaBits = 8;
1438 oglSystem.pfd.cDepthBits = 24;
1439 oglSystem.pfd.iLayerType = PFD_MAIN_PLANE;
1441 oglSystem.format = ChoosePixelFormat(oglSystem.hdc, &oglSystem.pfd);
1442 DescribePixelFormat(oglSystem.hdc, oglSystem.format, sizeof(oglSystem.pfd), &oglSystem.pfd);
1444 if(oglSystem.pfd.cColorBits > 8)
1446 SetPixelFormat(oglSystem.hdc, oglSystem.format, &oglSystem.pfd);
1447 oglSystem.glrc = wglCreateContext(oglSystem.hdc);
1450 wglMakeCurrent(oglSystem.hdc, oglSystem.glrc);
1452 // Get Pointers To The GL Functions
1453 glActiveTextureARB = (void *) wglGetProcAddress("glActiveTextureARB");
1454 glMultiTexCoord2fARB = (void *) wglGetProcAddress("glMultiTexCoord2fARB");
1455 glClientActiveTextureARB = (void *) wglGetProcAddress("glClientActiveTextureARB");
1456 glLockArraysEXT = (void *) wglGetProcAddress("glLockArraysEXT" );
1457 glUnlockArraysEXT = (void *) wglGetProcAddress("glUnlockArraysEXT");
1458 glGenBuffersARB = (void *) wglGetProcAddress("glGenBuffersARB");
1459 glBindBufferARB = (void *) wglGetProcAddress("glBindBufferARB");
1460 glBufferDataARB = (void *) wglGetProcAddress("glBufferDataARB");
1461 glMapBufferARB = (void *) wglGetProcAddress("glMapBufferARB");
1462 glUnmapBufferARB = (void *) wglGetProcAddress("glUnmapBufferARB");
1463 glDeleteBuffersARB = (void *) wglGetProcAddress("glDeleteBuffersARB");
1464 glBlendFuncSeparate = (void *) wglGetProcAddress("glBlendFuncSeparate");
1466 wglChoosePixelFormatARB = (void *) wglGetProcAddress("wglChoosePixelFormatARB");
1467 wglGetExtensionsStringARB = (void *)wglGetProcAddress("wglGetExtensionsStringARB");
1468 wglCreatePbufferARB = (void *)wglGetProcAddress("wglCreatePbufferARB");
1469 wglGetPbufferDCARB = (void *)wglGetProcAddress("wglGetPbufferDCARB");
1470 wglQueryPbufferARB = (void *)wglGetProcAddress("wglQueryPbufferARB");
1471 wglDestroyPbufferARB = (void *)wglGetProcAddress("wglDestroyPbufferARB");
1472 wglReleasePbufferDCARB = (void *)wglGetProcAddress("wglReleasePbufferDCARB");
1473 wglBindTexImageARB = (void *)wglGetProcAddress("wglBindTexImageARB");
1474 wglReleaseTexImageARB = (void *)wglGetProcAddress("wglReleaseTexImageARB");
1476 wglSwapIntervalEXT = (void *)wglGetProcAddress("wglSwapIntervalEXT");
1478 vboAvailable = glBindBufferARB != null;
1480 // eSystem_LoggingMode(LOG_MSGBOX, null);
1482 if(wglChoosePixelFormatARB)
1487 float fAttributes[] = {0,0};
1490 WGL_DRAW_TO_WINDOW_ARB,GL_TRUE,
1491 WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
1492 WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
1493 WGL_COLOR_BITS_ARB,24,
1494 WGL_ALPHA_BITS_ARB,8,
1495 WGL_DEPTH_BITS_ARB,16,
1496 WGL_STENCIL_BITS_ARB,0,
1497 WGL_DOUBLE_BUFFER_ARB,GL_TRUE,
1498 WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
1499 WGL_SAMPLES_ARB, 4, // Check For 4x Multisampling
1503 //Log("Found wglChoosePixelFormatARB\n");
1505 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1506 if(!valid || !numFormats)
1508 //Log("Can't find 4x multi sampling\n");
1509 iAttributes[19] = 2;
1510 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1511 if(!valid || !numFormats)
1513 // Log("Can't find 2x multi sampling\n");
1514 iAttributes[16] = 0;
1515 iAttributes[17] = 0;
1516 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1519 if(valid && numFormats)
1521 oglSystem.format = pixelFormat;
1522 wglMakeCurrent(null, null);
1523 wglDeleteContext(oglSystem.glrc);
1525 // *** DescribePixelFormat does not support WGL pixel formats! ***
1526 //DescribePixelFormat(oglSystem.hdc, oglSystem.format, sizeof(oglSystem.pfd), &oglSystem.pfd);
1527 SetPixelFormat(oglSystem.hdc, oglSystem.format, &oglSystem.pfd);
1528 //Log("Successfully set pixel format\n");
1530 oglSystem.glrc = wglCreateContext(oglSystem.hdc);
1531 wglMakeCurrent(oglSystem.hdc, oglSystem.glrc);
1535 eSystem_Logf("Can't find wglChoosePixelFormatARB\n");*/
1539 CheckExtensions(oglSystem);
1541 wglMakeCurrent(null, null);
1543 //eSystem_DumpErrors(true);
1547 #elif defined(__unix__) || defined(__APPLE__)
1548 vboAvailable = true;
1549 #if defined(__ANDROID__)
1550 egl_init_display(guiApp.desktop.windowHandle);
1551 CheckExtensions(oglSystem);
1555 X11Window root = RootWindow( xGlobalDisplay, DefaultScreen( xGlobalDisplay ) );
1556 XSetWindowAttributes attr;
1561 #ifndef ECERE_MINIGLX
1562 GLX_USE_GL, GLX_DEPTH_SIZE, 1,
1565 GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
1569 oglSystem.visualInfo = glXChooseVisual( xGlobalDisplay, DefaultScreen( xGlobalDisplay ), attrList );
1570 attr.background_pixel = 0;
1571 attr.border_pixel = 0;
1572 attr.colormap = XCreateColormap( xGlobalDisplay, root, oglSystem.visualInfo->visual, AllocNone);
1573 attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
1574 mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
1576 oglSystem.glxDrawable = XCreateWindow( xGlobalDisplay, root, 0, 0, 1, 1, 0, oglSystem.visualInfo->depth, InputOutput,
1577 oglSystem.visualInfo->visual, mask, &attr );
1579 if(oglSystem.visualInfo)
1581 oglSystem.glContext = glXCreateContext(xGlobalDisplay, oglSystem.visualInfo, null, True);
1582 if(oglSystem.glContext)
1584 glXMakeCurrent(xGlobalDisplay, oglSystem.glxDrawable, oglSystem.glContext);
1586 CheckExtensions(oglSystem);
1587 glXMakeCurrent(xGlobalDisplay, None, null);
1594 displaySystem.flags.alpha = true;
1595 displaySystem.flags.flipping = true;
1596 displaySystem.pixelFormat = pixelFormat888;
1600 void DestroyDisplaySystem(DisplaySystem displaySystem)
1602 OGLSystem oglSystem = displaySystem.driverData;
1604 #if defined(__WIN32__)
1605 wglMakeCurrent( null, null );
1608 wglDeleteContext(oglSystem.glrc);
1611 ReleaseDC(oglSystem.hwnd, oglSystem.hdc);
1612 DestroyWindow(oglSystem.hwnd);
1614 #elif defined(__unix__) || defined(__APPLE__)
1615 #if defined(__ANDROID__)
1618 if(oglSystem.visualInfo)
1620 #ifdef ECERE_MINIGLX
1621 __miniglx_XFree(oglSystem.visualInfo);
1623 XFree(oglSystem.visualInfo);
1627 if(oglSystem.glxDrawable)
1629 XDestroyWindow(xGlobalDisplay, oglSystem.glxDrawable);
1630 oglSystem.glxDrawable = 0;
1637 bool CreateDisplay(Display display)
1639 bool result = false;
1640 OGLDisplay oglDisplay = display.driverData;
1641 OGLSystem oglSystem = display.displaySystem.driverData;
1643 oglDisplay = display.driverData = OGLDisplay { };
1644 //printf("Inside CreateDisplay\n");
1646 #if defined(__WIN32__) || defined(USEPBUFFER)
1647 if(!display.alphaBlend)
1650 #if defined(__WIN32__)
1651 oglDisplay.hdc = GetDC(display.window);
1652 SetPixelFormat(oglDisplay.hdc, oglSystem.format, &oglSystem.pfd);
1653 if((oglDisplay.glrc = wglCreateContext(oglDisplay.hdc)))
1655 wglShareLists(oglSystem.glrc, oglDisplay.glrc);
1656 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1660 ReleaseDC(display.window, oglDisplay.hdc);
1661 #elif defined(__unix__) || defined(__APPLE__)
1662 #if defined(__ANDROID__)
1664 XVisualInfo * visualInfo = ((XWindowData)display.windowDriverData).visual;
1666 #if defined(__APPLE__)
1667 XVisualInfo template = { 0 };
1668 XWindowAttributes winAttr;
1670 XGetWindowAttributes(xGlobalDisplay, (X11Window)display.window, &winAttr);
1671 template.visualid = XVisualIDFromVisual(winAttr.visual);
1672 visualInfo = XGetVisualInfo(xGlobalDisplay, VisualIDMask, &template, &n);
1674 printf("XGetVisualInfo visual ID = %d\n", template.visualid);
1675 printf("visualInfo visual ID = %d\n", visualInfo->visualid);
1676 printf("oglSystem.visualInfo visual ID = %d\n", oglSystem.visualInfo->visualid);
1677 printf("((XWindowData)display.windowDriverData).visual visual ID = %d\n", ((XWindowData)display.windowDriverData).visual->visualid);
1679 // visualInfo = oglSystem.visualInfo;
1684 //printf("visualInfo is not null\n");
1685 // printf("Creating Display Context, sharing with %x!\n", oglSystem.glContext);
1686 oglDisplay.glContext = glXCreateContext(xGlobalDisplay, visualInfo, oglSystem.glContext, True);
1687 //XFree(visualInfo);
1690 // oglDisplay.glContext = glXCreateContext(xGlobalDisplay, oglSystem.visualInfo, oglSystem.glContext, True);
1691 if(oglDisplay.glContext)
1693 //printf("CreateDisplay Got a Context\n");
1694 glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext);
1700 #if defined(__WIN32__) || defined(USEPBUFFER)
1706 #if !defined(__OLDX__)
1707 if(glBlendFuncSeparate)
1708 glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
1711 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1714 glMatrixMode(GL_MODELVIEW);
1715 glScaled(1.0, 1.0, -1.0);
1716 // glTranslatef(0.375f, 0.375f, 0.0f);
1717 // glTranslatef(-0.625f, -0.625f, 0.0f);
1718 glMatrixMode(GL_PROJECTION);
1719 glShadeModel(GL_FLAT);
1721 // glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, true);
1722 glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
1723 glFogi(GL_FOG_MODE, GL_EXP);
1724 glFogf(GL_FOG_DENSITY, 0);
1725 glEnable(GL_NORMALIZE);
1726 glDepthFunc(GL_LESS);
1728 glDisable(GL_MULTISAMPLE_ARB);
1730 #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA)
1731 display.ambient = Color { 50,50,50 };
1734 if(!useSingleGLContext)
1736 #if defined(__WIN32__)
1737 wglMakeCurrent(null, null);
1738 #elif defined(__unix__) || defined(__APPLE__)
1739 #if defined(__ANDROID__)
1742 glXMakeCurrent(xGlobalDisplay, None, null);
1750 bool DisplaySize(Display display, int width, int height)
1752 OGLDisplay oglDisplay = display.driverData;
1753 OGLSystem oglSystem = display.displaySystem.driverData;
1755 bool result = false;
1757 //printf("Inside DisplaySize\n");
1758 #if defined(__WIN32__) || defined(USEPBUFFER)
1759 if(display.alphaBlend)
1761 #if defined(__WIN32__)
1762 const int attributes[]=
1764 /*WGL_TEXTURE_FORMAT_ARB, WGL_TEXTURE_RGBA_ARB,
1765 WGL_TEXTURE_TARGET_ARB, WGL_TEXTURE_2D_ARB, */0
1767 int pixelFormat = 0;
1768 if(wglChoosePixelFormatARB)
1772 float fAttributes[] = {0,0};
1775 //WGL_DRAW_TO_BITMAP_ARB, GL_TRUE,
1776 WGL_DRAW_TO_PBUFFER_ARB,GL_TRUE,
1777 WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
1778 WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
1779 WGL_COLOR_BITS_ARB,24,
1780 WGL_ALPHA_BITS_ARB,8,
1781 WGL_DEPTH_BITS_ARB,16,
1782 WGL_STENCIL_BITS_ARB,0,
1783 WGL_DOUBLE_BUFFER_ARB,GL_FALSE,
1784 WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
1785 WGL_SAMPLES_ARB, 4, // Check For 4x Multisampling
1789 //Log("Found wglChoosePixelFormatARB\n");
1791 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1792 if(!valid || !numFormats)
1794 //Log("Can't find 4x multi sampling\n");
1795 iAttributes[19] = 2;
1796 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1797 if(!valid || !numFormats)
1799 // Log("Can't find 2x multi sampling\n");
1800 iAttributes[16] = 0;
1801 iAttributes[17] = 0;
1802 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1803 if(!valid || !numFormats)
1807 WGL_DRAW_TO_PBUFFER_ARB,GL_TRUE,
1808 //WGL_DRAW_TO_BITMAP_ARB,GL_TRUE,
1809 WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
1810 WGL_COLOR_BITS_ARB,24,
1811 WGL_ALPHA_BITS_ARB,8,
1812 WGL_DEPTH_BITS_ARB,16,
1815 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1819 if(valid && numFormats)
1821 wglMakeCurrent(null, null);
1825 wglMakeCurrent( null, null );
1826 wglMakeCurrent( oglDisplay.hdc, oglDisplay.glrc );
1827 if(oglDisplay.hdc && oglDisplay.pBuffer)
1828 wglReleasePbufferDCARB(oglDisplay.pBuffer, oglDisplay.hdc);
1830 wglDestroyPbufferARB(oglDisplay.pBuffer);
1832 if(!useSingleGLContext)
1833 wglMakeCurrent( null, null );
1836 wglDeleteContext(oglDisplay.glrc);
1838 oglDisplay.pBuffer = wglCreatePbufferARB(oglSystem.hdc, pixelFormat, width, height, attributes);
1839 oglDisplay.hdc = wglGetPbufferDCARB(oglDisplay.pBuffer);
1840 if((oglDisplay.glrc = wglCreateContext(oglDisplay.hdc)))
1843 HDC hdc = GetDC(display.window);
1845 wglShareLists(oglSystem.glrc, oglDisplay.glrc);
1846 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1848 //wglQueryPbufferARB(pBuffer, WGL_PBUFFER_WIDTH_ARB, &width);
1849 //wglQueryPbufferARB(pBuffer, WGL_PBUFFER_HEIGHT_ARB, &height);
1851 // glDeleteBuffersARB(2, oglDisplay.imageBuffers);
1853 if((info = (BITMAPINFO *)new0 byte[sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256]))
1857 if(oglDisplay.memDC) DeleteDC(oglDisplay.memDC);
1858 oglDisplay.memDC = CreateCompatibleDC(hdc);
1859 SetMapMode(oglDisplay.memDC, MM_TEXT);
1860 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1861 info->bmiHeader.biPlanes = 1;
1862 info->bmiHeader.biCompression = BI_RGB;
1863 info->bmiHeader.biBitCount = 32; //(uint16)GetDeviceCaps(hdc, BITSPIXEL);
1864 info->bmiHeader.biWidth = width;
1865 info->bmiHeader.biHeight = height;
1866 newBitmap = CreateDIBSection(hdc, info, DIB_RGB_COLORS, &oglDisplay.picture, null, 0);
1869 SelectObject(oglDisplay.memDC, newBitmap);
1870 if(oglDisplay.memBitmap) DeleteObject(oglDisplay.memBitmap);
1873 PIXELFORMATDESCRIPTOR pfd = { 0 };
1874 pfd.nSize = (short)sizeof(pfd);
1876 pfd.dwFlags = PFD_DRAW_TO_BITMAP | PFD_SUPPORT_OPENGL;
1877 pfd.iPixelType = PFD_TYPE_RGBA;
1878 pfd.cColorBits = 32;
1879 //pfd.cAlphaBits = 8;
1880 pfd.cDepthBits = 24;
1881 pfd.iLayerType = PFD_MAIN_PLANE;
1883 oglDisplay.hdc = oglDisplay.memDC;
1885 pixelFormat = ChoosePixelFormat(oglSystem.hdc, &pfd);
1886 DescribePixelFormat(oglDisplay.hdc, pixelFormat, sizeof(pfd), &pfd);
1887 SetPixelFormat(oglDisplay.hdc, pixelFormat, &pfd);
1889 oglDisplay.glrc = wglCreateContext(oglDisplay.hdc);
1890 wglShareLists(oglSystem.glrc, oglDisplay.glrc);
1891 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1896 const int imageSize = width * height * 4;
1898 glGenBuffersARB(2, oglDisplay.imageBuffers);
1900 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
1901 glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, imageSize, null, GL_STREAM_READ);
1902 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
1903 // glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, imageSize / 2, null, GL_STREAM_READ);
1906 oglDisplay.memBitmap = newBitmap;
1907 oglDisplay.stride = width;
1913 ReleaseDC(display.window, hdc);
1915 #elif defined(__unix__) || defined(__APPLE__)
1916 #if defined(__ANDROID__)
1921 GLX_DOUBLEBUFFER, True,
1927 GLX_STENCIL_SIZE, 1,
1928 //GLX_DEPTH_SIZE, 24,
1929 GLX_RENDER_TYPE, GLX_RGBA_BIT,
1930 GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT | GLX_WINDOW_BIT,
1936 GLX_PBUFFER_WIDTH, width,
1937 GLX_PBUFFER_HEIGHT, height,
1938 GLX_LARGEST_PBUFFER, False,
1942 // choose a pixel format that meets our minimum requirements
1945 GLXFBConfig *config = glXChooseFBConfig(xGlobalDisplay, DefaultScreen(xGlobalDisplay), attrib, &count);
1948 if(oglDisplay.pixmap)
1950 XFreePixmap(xGlobalDisplay, oglDisplay.pixmap);
1951 oglDisplay.pixmap = None;
1953 if(oglDisplay.shapePixmap)
1955 XFreePixmap(xGlobalDisplay, oglDisplay.shapePixmap);
1956 oglDisplay.shapePixmap = None;
1959 // Free Shared Memory Pixmap
1960 if(oglDisplay.image)
1962 if(oglDisplay.shminfoShape.shmid != -1)
1964 XShmDetach(xGlobalDisplay, &oglDisplay.shminfo);
1965 if(oglDisplay.shminfo.shmaddr != (void *)-1)
1966 shmdt(oglDisplay.shminfo.shmaddr);
1967 shmctl(oglDisplay.shminfo.shmid, IPC_RMID, 0);
1969 XDestroyImage(oglDisplay.image);
1970 oglDisplay.image = None;
1972 if(oglDisplay.shapeImage)
1974 if(oglDisplay.shminfoShape.shmid != -1)
1976 XShmDetach(xGlobalDisplay, &oglDisplay.shminfoShape);
1977 if(oglDisplay.shminfoShape.shmaddr != (void *)-1)
1978 shmdt(oglDisplay.shminfoShape.shmaddr);
1979 shmctl(oglDisplay.shminfoShape.shmid, IPC_RMID, 0);
1981 XDestroyImage(oglDisplay.shapeImage);
1982 oglDisplay.shapeImage = None;
1985 if(oglDisplay.windowPicture)
1986 XRenderFreePicture(xGlobalDisplay, oglDisplay.windowPicture);
1987 if(oglDisplay.pixmapPicture)
1988 XRenderFreePicture(xGlobalDisplay, oglDisplay.pixmapPicture);
1990 if(oglDisplay.pixmap)
1991 XFreePixmap(xGlobalDisplay, oglDisplay.pixmap);
1993 if(oglDisplay.glContext)
1994 glXDestroyContext(xGlobalDisplay, oglDisplay.glContext);
1995 if(oglDisplay.pBuffer)
1996 glXDestroyPbuffer(xGlobalDisplay, oglDisplay.pBuffer);
1998 oglDisplay.pBuffer = glXCreatePbuffer(xGlobalDisplay, config[0], PBattrib);
1999 if(oglDisplay.pBuffer)
2001 oglDisplay.glContext = glXCreateNewContext(xGlobalDisplay, config[0], GLX_RGBA_TYPE, oglSystem.glContext, True);
2002 if(oglDisplay.glContext)
2004 glXMakeCurrent(xGlobalDisplay, None, null);
2005 glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext);
2007 // Initialize Shared Memory Pixmap
2008 oglDisplay.image = XShmCreateImage(xGlobalDisplay, DefaultVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), 32,
2009 ZPixmap, null, &oglDisplay.shminfo, width, height);
2010 if(oglDisplay.image)
2012 oglDisplay.shminfo.shmid = shmget(IPC_PRIVATE,
2013 oglDisplay.image->bytes_per_line * oglDisplay.image->height, IPC_CREAT|0777);
2014 if(oglDisplay.shminfo.shmid != -1)
2016 oglDisplay.shminfo.shmaddr = shmat(oglDisplay.shminfo.shmid, 0, 0);
2017 if(oglDisplay.shminfo.shmaddr != (void *)-1)
2019 oglDisplay.shminfo.readOnly = False;
2020 if(XShmAttach(xGlobalDisplay, &oglDisplay.shminfo))
2022 oglDisplay.pixmap = XShmCreatePixmap(xGlobalDisplay, (X11Window)display.window, oglDisplay.shminfo.shmaddr,
2023 &oglDisplay.shminfo, width, height, 32);
2025 // Initialize Shared Memory Shape Pixmap
2026 oglDisplay.shapeImage = XShmCreateImage(xGlobalDisplay, DefaultVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), 1,
2027 ZPixmap, null, &oglDisplay.shminfoShape, width, height);
2028 if(oglDisplay.shapeImage)
2030 oglDisplay.shminfoShape.shmid = shmget(IPC_PRIVATE,
2031 oglDisplay.shapeImage->bytes_per_line * oglDisplay.shapeImage->height, IPC_CREAT|0777);
2032 if(oglDisplay.shminfoShape.shmid != -1)
2034 oglDisplay.shminfoShape.shmaddr = shmat(oglDisplay.shminfoShape.shmid, 0, 0);
2035 if(oglDisplay.shminfoShape.shmaddr != (void *)-1)
2037 oglDisplay.shminfoShape.readOnly = False;
2038 if(XShmAttach(xGlobalDisplay, &oglDisplay.shminfoShape))
2040 oglDisplay.shapePixmap = XShmCreatePixmap(xGlobalDisplay, (X11Window)display.window, oglDisplay.shminfoShape.shmaddr,
2041 &oglDisplay.shminfoShape, width, height, 1);
2042 //oglDisplay.shapePixmap = XCreatePixmap(xGlobalDisplay, (X11Window)display.window, width, height, 1);
2045 XRenderPictureAttributes attributes = { 0 };
2046 XRenderPictFormat * format = XRenderFindStandardFormat(xGlobalDisplay, /*PictStandardRGB24*/ PictStandardARGB32);
2047 #if !defined(__APPLE__) && !defined(__OLDX__)
2048 attributes.repeat = RepeatNormal;
2050 attributes.repeat = 1;
2052 oglDisplay.pixmapPicture = XRenderCreatePicture(xGlobalDisplay, oglDisplay.pixmap, format, CPRepeat, &attributes);
2053 oglDisplay.windowPicture = XRenderCreatePicture(xGlobalDisplay, (X11Window)display.window, format, 0, &attributes);
2054 oglDisplay.shapePicture = XRenderCreatePicture(xGlobalDisplay, oglDisplay.shapePixmap,
2055 XRenderFindStandardFormat(xGlobalDisplay, PictStandardA1), 0, &attributes);
2058 oglDisplay.picture = oglDisplay.shminfo.shmaddr;
2059 oglDisplay.stride = oglDisplay.image->bytes_per_line / 4;
2076 CreateDisplay(display);
2077 #if defined(__WIN32__)
2078 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
2079 #elif defined(__unix__) || defined(__APPLE__)
2080 #if defined(__ANDROID__)
2084 glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext);
2091 if(!result && display.alphaBlend)
2093 printf("Alpha blending windows not supported on this display\n");
2100 glViewport(0,0,width,height);
2102 glOrtho(0,width,height,0,0.0,1.0);
2103 displayWidth = display.width = width;
2104 displayHeight = display.height = height;
2106 if(!oglDisplay.flippingBuffer || oglDisplay.flipBufW < width || oglDisplay.flipBufH < height)
2108 oglDisplay.flipBufW = width;
2109 oglDisplay.flipBufH = height;
2110 oglDisplay.flippingBuffer = renew oglDisplay.flippingBuffer ColorAlpha [width * height];
2112 if(oglDisplay.flippingBuffer || !width || !height)
2118 void DisplayPosition(Display display, int x, int y)
2120 OGLDisplay oglDisplay = display.driverData;
2126 void SetPalette(Display display, ColorAlpha * palette, bool colorMatch)
2130 void RestorePalette(Display display)
2134 void StartUpdate(Display display)
2138 void EndUpdate(Display display)
2142 void Scroll(Display display, Box scroll, int x, int y, Extent dirty)
2146 void Update(Display display, Box updateBox)
2148 OGLDisplay oglDisplay = display.driverData;
2149 //Logf("DisplayScreen\n");
2153 #if defined(__WIN32__) || defined(USEPBUFFER)
2154 if(display.alphaBlend)
2156 glPixelStorei(GL_PACK_ALIGNMENT, 4);
2157 glPixelStorei(GL_PACK_ROW_LENGTH, oglDisplay.stride);
2158 glPixelStorei(GL_PACK_SKIP_ROWS, 0);
2159 glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
2160 glReadPixels(0,0,display.width,display.height,GL_BGRA_EXT,GL_UNSIGNED_BYTE, oglDisplay.picture);
2163 #if defined(__WIN32__)
2165 POINT point = { oglDisplay.x, oglDisplay.y};
2166 POINT srcPoint = { 0, 0 };
2167 BLENDFUNCTION blend = { 0 };
2169 size.cx = display.width;
2170 size.cy = display.height;
2171 blend.BlendOp = AC_SRC_OVER;
2172 blend.BlendFlags = 0;
2173 blend.SourceConstantAlpha = 255;
2174 blend.AlphaFormat = AC_SRC_ALPHA;
2177 // Process partial images. Mapping the buffer waits for
2178 // outstanding DMA transfers into the buffer to finish.
2179 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
2180 oglDisplay.pboMemory1 = (byte *)glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY);
2182 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
2183 // oglDisplay.pboMemory2 = (byte *)glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB,GL_READ_ONLY);
2186 memcpy(oglDisplay.picture, oglDisplay.pboMemory1, display.width * display.height * 4);
2187 //memcpy(oglDisplay.picture + display.width * display.height * 4 / 2, oglDisplay.pboMemory2, display.width * display.height * 4/ 2);
2190 UpdateLayeredWindow(display.window, hdc, &point, &size, oglDisplay.memDC, &srcPoint, 0, &blend, ULW_ALPHA);
2193 // Unmap the image buffers
2194 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
2195 glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
2197 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
2198 // glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
2200 // Bind two different buffer objects and start the glReadPixels
2201 // asynchronously. Each call will return directly after
2202 // starting the DMA transfer.
2203 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
2204 glReadPixels(0, 0, display.width, display.height, GL_BGRA, GL_UNSIGNED_BYTE, 0);
2206 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
2207 // glReadPixels(0, display.height/2, display.width, display.height/2, GL_BGRA, GL_UNSIGNED_BYTE, 0);
2211 #elif defined(__unix__) || defined(__APPLE__)
2212 #if defined(__ANDROID__)
2214 XTransform transform =
2217 { (int)(1.0f * (1<<16)), (int)(0.0f * (1<<16)), (int)(0 * (1 << 16)) },
2218 { (int)(0.0f), (int)(-1.0f * (1<<16)), (int)(0 * (1<<16)) },
2219 { (int)(0.0f * (1<<16)), (int)(0.0f * (1<<16)), (int)(1.0f * (1<<16)) }
2222 XRenderSetPictureTransform(xGlobalDisplay, oglDisplay.pixmapPicture, &transform);
2223 XRenderComposite(xGlobalDisplay, PictOpSrc, oglDisplay.pixmapPicture, None, oglDisplay.shapePicture, 0, 0, 0, 0, 0, 0, display.width, display.height);
2224 XRenderComposite(xGlobalDisplay, PictOpSrc, oglDisplay.pixmapPicture, None, oglDisplay.windowPicture, 0, 0, 0, 0, 0, 0, display.width, display.height);
2225 #if !defined(__APPLE__) && !defined(__OLDX__)
2226 XShapeCombineMask(xGlobalDisplay, (X11Window)display.window, ShapeInput, 0, 0, oglDisplay.shapePixmap, ShapeSet);
2228 XShapeCombineMask(xGlobalDisplay, display.window, 2, 0, 0, oglDisplay.shapePixmap, ShapeSet);
2230 XFlush(xGlobalDisplay);
2238 #if defined(__WIN32__)
2239 //wglSwapLayerBuffers(oglDisplay.hdc,WGL_SWAP_MAIN_PLANE);
2240 SwapBuffers(oglDisplay.hdc);
2241 #elif defined(__unix__) || defined(__APPLE__)
2242 #if defined(__ANDROID__)
2243 eglSwapBuffers(eglDisplay, eglSurface);
2245 glXSwapBuffers(xGlobalDisplay, (GLXDrawable)display.window);
2249 //Logf("Out of DisplayScreen\n");
2252 void FreeBitmap(DisplaySystem displaySystem, Bitmap bitmap)
2254 if(bitmap.driverData)
2256 glDeleteTextures(1, (int *)&bitmap.driverData);
2257 bitmap.driverData = 0;
2259 bitmap.driver = ((subclass(DisplayDriver))class(LFBDisplayDriver));
2262 bool AllocateBitmap(DisplaySystem displaySystem, Bitmap bitmap, int width, int height, int stride, PixelFormat format, bool allocatePalette)
2264 OGLSystem oglSystem = displaySystem.driverData;
2265 bool result = false;
2269 uint w = width, h = height;
2270 if(oglSystem.pow2textures)
2275 w = Min(w, oglSystem.maxTextureSize);
2276 h = Min(h, oglSystem.maxTextureSize);
2278 glGenTextures(1, &glBitmap);
2279 glBindTexture(GL_TEXTURE_2D, glBitmap);
2281 glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
2283 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
2284 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
2286 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
2287 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
2289 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
2291 mipMap.Allocate(null, w, h, w, pixelFormatRGBA, false);
2293 // glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2294 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2298 bitmap.driverData = (void *)glBitmap;
2299 bitmap.driver = displaySystem.driver;
2307 bool MakeDDBitmap(DisplaySystem displaySystem, Bitmap bitmap, bool mipMaps)
2309 bool result = false;
2310 OGLSystem oglSystem = displaySystem.driverData;
2312 // Pre process the bitmap... First make it 32 bit
2313 if(/*bitmap.pixelFormat == pixelFormatRGBA || */bitmap.Convert(null, pixelFormat888, null))
2316 uint w = bitmap.width, h = bitmap.height;
2318 if(oglSystem.pow2textures)
2323 w = Min(w, oglSystem.maxTextureSize);
2324 h = Min(h, oglSystem.maxTextureSize);
2328 while(w * 2 < h) w *= 2;
2329 while(h * 2 < w) h *= 2;
2332 // Switch ARGB to RGBA
2333 //if(bitmap.format != pixelFormatRGBA)
2335 for(c=0; c<bitmap.size; c++)
2337 // ((ColorRGBA *)bitmap.picture)[c] = ((ColorAlpha *)bitmap.picture)[c];
2339 ColorAlpha color = ((ColorAlpha *)bitmap.picture)[c];
2340 ((ColorRGBA *)bitmap.picture)[c] = ColorRGBA { color.color.r, color.color.g, color.color.b, color.a };
2343 bitmap.pixelFormat = pixelFormat888;
2346 glGenTextures(1, &glBitmap);
2349 int error = glGetError();
2354 glBindTexture(GL_TEXTURE_2D, glBitmap);
2355 glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
2357 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
2358 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mipMaps ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR);
2359 //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
2361 //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
2362 //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
2364 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
2365 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
2367 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
2371 for(level = 0; result && (w > 1 || h > 1); level++, w >>= 1, h >>= 1)
2374 if(bitmap.width != w || bitmap.height != h)
2376 mipMap = Bitmap { };
2377 if(mipMap.Allocate(null, w, h, w, bitmap.pixelFormat, false))
2379 Surface mipSurface = mipMap.GetSurface(0,0,null);
2380 mipSurface.Filter(bitmap, 0,0,0,0, w, h, bitmap.width, bitmap.height);
2397 // glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2398 glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2399 //printf("Calling glTexImage2D\n");
2400 //glGetTexLevelParameteriv(GL_TEXTURE_2D, level, GL_TEXTURE_WIDTH, &width);
2401 //printf("width = %d (Should be %d, %d)\n", width, w, h);
2402 if((error = glGetError()))
2404 //Logf("OpenGL Bitmap MakeDD error: %d...\n", error);
2405 //printf("OpenGL Bitmap MakeDD error: %d...\n", error);
2409 if(mipMap != bitmap)
2414 if(!bitmap.keepData)
2415 bitmap.driver.FreeBitmap(bitmap.displaySystem, bitmap);
2416 bitmap.driverData = (void *)glBitmap;
2417 bitmap.driver = displaySystem.driver;
2420 FreeBitmap(displaySystem, bitmap);
2421 else if(oglSystem.loadingFont)
2423 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
2424 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
2425 oglSystem.loadingFont = false;
2431 void ReleaseSurface(Display display, Surface surface)
2433 glDisable(GL_SCISSOR_TEST);
2434 delete surface.driverData;
2435 surface.driverData = null;
2438 bool GetBitmapSurface(DisplaySystem displaySystem, Surface surface, Bitmap bitmap, int x, int y, Box clip)
2443 bool GetSurface(Display display, Surface surface, int x,int y, Box clip)
2445 bool result = false;
2446 OGLSurface oglSurface = surface.driverData = OGLSurface { };
2448 //Logf("GetSurface\n");
2452 if(displayWidth != display.width || displayHeight != display.height)
2454 displayWidth = display.width;
2455 displayHeight = display.height;
2457 glViewport(0,0,display.width,display.height);
2459 glOrtho(0,display.width,display.height,0,0.0,1.0);
2462 surface.offset.x = x;
2463 surface.offset.y = y;
2464 surface.unclippedBox = surface.box = clip;
2465 oglSurface.bitmapMult[0] = 1;
2466 oglSurface.bitmapMult[1] = 1;
2467 oglSurface.bitmapMult[2] = 1;
2468 oglSurface.bitmapMult[3] = 1;
2470 glEnable(GL_SCISSOR_TEST);
2473 (display.height) -(y+clip.bottom)-1,
2474 clip.right-clip.left+1,
2475 clip.bottom-clip.top+1);
2481 void Clip(Display display, Surface surface, Box clip)
2490 box.Clip(surface.unclippedBox);
2494 box = surface.box = surface.unclippedBox;
2495 box.left += surface.offset.x;
2496 box.top += surface.offset.y;
2497 box.right+= surface.offset.x;
2498 box.bottom += surface.offset.y;
2501 box.left,display.height - box.bottom - 1,
2502 box.right-box.left+1, box.bottom-box.top+1);
2505 bool GrabScreen(Display display, Bitmap bitmap, int x, int y, unsigned int w, unsigned int h)
2507 bool result = false;
2508 OGLDisplay oglDisplay = display.driverData;
2509 ColorAlpha * flippingBuffer = oglDisplay.flippingBuffer;
2511 if(oglDisplay.flippingBuffer)
2513 if(bitmap.pixelFormat != pixelFormat888 || bitmap.width < w || bitmap.height < h)
2516 bitmap.Allocate(null, w,h,w, pixelFormat888, false);
2522 glPixelStorei(GL_PACK_ALIGNMENT, 4);
2523 glPixelStorei(GL_PACK_ROW_LENGTH, bitmap.stride);
2524 glPixelStorei(GL_PACK_SKIP_ROWS, 0);
2525 glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
2526 glReadPixels(x,display.height-h-y,w,h,GL_BGRA_EXT,GL_UNSIGNED_BYTE, flippingBuffer);
2529 for(row = 0; row<h; row++)
2530 CopyBytesBy4(((ColorAlpha *)bitmap.picture) + row * w, ((ColorAlpha *)flippingBuffer) + (h-row-1) * w, w);
2537 void SetForeground(Display display, Surface surface, ColorAlpha color)
2539 OGLSurface oglSurface = surface.driverData;
2541 //Logf("SetForeground\n");
2543 oglSurface.foreground[0] = color.color.r/255.0f;
2544 oglSurface.foreground[1] = color.color.g/255.0f;
2545 oglSurface.foreground[2] = color.color.b/255.0f;
2546 //oglSurface.foreground[3] = 1.0f;
2547 oglSurface.foreground[3] = color.a/255.0f;
2549 //if(!oglSurface.foreground[3])printf("bug");
2552 void SetBackground(Display display, Surface surface, ColorAlpha color)
2554 OGLSurface oglSurface = surface.driverData;
2556 //Logf("SetBackground\n");
2558 oglSurface.background[0] = color.color.r/255.0f;
2559 oglSurface.background[1] = color.color.g/255.0f;
2560 oglSurface.background[2] = color.color.b/255.0f;
2561 //oglSurface.background[3] = 1.0;
2562 oglSurface.background[3] = color.a/255.0f;
2565 void SetBlitTint(Display display, Surface surface, ColorAlpha color)
2567 OGLSurface oglSurface = surface.driverData;
2569 oglSurface.bitmapMult[0] = color.color.r/255.0f;
2570 oglSurface.bitmapMult[1] = color.color.g/255.0f;
2571 oglSurface.bitmapMult[2] = color.color.b/255.0f;
2572 oglSurface.bitmapMult[3] = color.a/255.0f;
2575 ColorAlpha GetPixel(Display display, Surface surface,int x,int y)
2580 void PutPixel(Display display, Surface surface,int x,int y)
2582 OGLSurface oglSurface = surface.driverData;
2584 //Logf("PutPixel\n");
2586 glColor4fv(oglSurface.foreground);
2588 // glVertex2i(x+surface.offset.x, y+surface.offset.y);
2589 glVertex2f(x+surface.offset.x + 0.5f, y+surface.offset.y + 0.5f);
2594 void DrawLine(Display display, Surface surface, int _x1, int _y1, int _x2, int _y2)
2596 OGLSurface oglSurface = surface.driverData;
2597 float x1 = _x1, x2 = _x2, y1 = _y1, y2 = _y2;
2612 x1 += surface.offset.x;
2613 y1 += surface.offset.y;
2614 x2 += surface.offset.x;
2615 y2 += surface.offset.y;
2619 glColor4fv(oglSurface.foreground);
2624 glTexCoord2f(0.5f, 0);
2625 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2626 glTexCoord2f(Max(x2-x1, y2-y1) + 0.5f, 0);
2627 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2636 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2637 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2643 void Rectangle(Display display, Surface surface,int x1,int y1,int x2,int y2)
2645 OGLSurface oglSurface = surface.driverData;
2646 x1 += surface.offset.x;
2647 y1 += surface.offset.y;
2648 x2 += surface.offset.x;
2649 y2 += surface.offset.y;
2651 //Logf("Rectangle\n");
2653 glColor4fv(oglSurface.foreground);
2659 glTexCoord2f(0.5f, 0);
2660 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2661 glTexCoord2f(y2-y1 + 0.5f, 0);
2662 glVertex2f(x1 + 0.5f, y2 + 0.5f);
2664 glTexCoord2f(0.5f, 0);
2665 glVertex2f(x1 + 0.5f, y2 + 0.5f);
2666 glTexCoord2f(x2 - x1 + 0.5f, 0);
2667 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2669 glTexCoord2f(0.5f, 0);
2670 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2671 glTexCoord2f(y1 - y2 + 0.5f, 0);
2672 glVertex2f(x2 + 0.5f, y1 + 0.5f);
2674 glTexCoord2f(0.5f, 0);
2675 glVertex2f(x2 + 0.5f, y1 + 0.5f);
2676 glTexCoord2f(x1 - x2 + 0.5f, 0);
2677 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2682 glBegin(GL_LINE_LOOP);
2689 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2690 glVertex2f(x1 + 0.5f, y2 + 0.5f);
2691 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2692 glVertex2f(x2 + 0.5f, y1 + 0.5f);
2697 void Area(Display display, Surface surface,int x1,int y1,int x2,int y2)
2699 OGLSurface oglSurface = surface.driverData;
2702 glColor4fv(oglSurface.background);
2703 glRecti(x1+surface.offset.x, y1+surface.offset.y,
2704 x2+surface.offset.x + 1, y2+surface.offset.y + 1);
2707 glRectf(x1+surface.offset.x, y1+surface.offset.y,
2708 x2+surface.offset.x + 1, y2+surface.offset.y + 1);
2712 void Clear(Display display, Surface surface, ClearType type)
2714 OGLDisplay oglDisplay = display.driverData;
2715 OGLSurface oglSurface = surface.driverData;
2718 if(type != depthBuffer)
2719 glClearColor(oglSurface.background[0], oglSurface.background[1], oglSurface.background[2], oglSurface.background[3]);
2720 if(type != colorBuffer && !oglDisplay.depthWrite)
2722 glDepthMask((byte)bool::true);
2724 glClear(((type != depthBuffer) ? GL_COLOR_BUFFER_BIT : 0) |
2725 ((type != colorBuffer) ? GL_DEPTH_BUFFER_BIT : 0));
2726 if(type != colorBuffer && !oglDisplay.depthWrite)
2728 glDepthMask((byte)bool::false);
2732 bool ConvertBitmap(DisplaySystem displaySystem, Bitmap bitmap, PixelFormat format, ColorAlpha * palette)
2737 void Blit(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h)
2739 OGLSurface oglSurface = surface.driverData;
2741 #if !defined(__OLDX__)
2742 // WHY DO WE HAVE GL_ONE HERE ?
2743 /*if(glBlendFuncSeparate && !oglSurface.writingText)
2744 glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2747 if(!oglSurface.writingText)
2749 // glTranslatef(-0.375f, -0.375f, 0.0f);
2750 glEnable(GL_TEXTURE_2D);
2751 glColor4fv(oglSurface.bitmapMult);
2753 else if(oglSurface.xOffset)
2754 glTranslated(oglSurface.xOffset / 64.0/*-0.375*/, 0.0, 0.0);
2756 glBindTexture(GL_TEXTURE_2D, (uint)bitmap.driverData);
2761 glTexCoord2f((float)sx/ bitmap.width, (float)(sy-h)/ bitmap.height);
2762 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2763 glTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy-h)/ bitmap.height);
2764 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2765 glTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height);
2766 glVertex2i(dx+w+surface.offset.x, dy-h+surface.offset.y);
2767 glTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height);
2768 glVertex2i(dx+surface.offset.x, dy-h+surface.offset.y);
2773 glTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height);
2774 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2775 glTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height);
2776 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2777 glTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy+h)/ bitmap.height);
2778 glVertex2i(dx+w+surface.offset.x, dy+h+surface.offset.y);
2779 glTexCoord2f((float)sx/ bitmap.width, (float)(sy+h)/ bitmap.height);
2780 glVertex2i(dx+surface.offset.x, dy+h+surface.offset.y);
2783 glTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height);
2784 glVertex2f((float)dx+surface.offset.x, (float)dy+surface.offset.y);
2785 glTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height);
2786 glVertex2f((float)dx+w+surface.offset.x, (float)dy+surface.offset.y);
2787 glTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy+h)/ bitmap.height);
2788 glVertex2f((float)dx+w+surface.offset.x, (float)dy+h+surface.offset.y);
2789 glTexCoord2f((float)sx/ bitmap.width, (float)(sy+h)/ bitmap.height);
2790 glVertex2f((float)dx+surface.offset.x, (float)dy+h+surface.offset.y);
2794 if(!oglSurface.writingText)
2796 glDisable(GL_TEXTURE_2D);
2798 //glTranslate(0.375, 0.375, 0.0);
2800 else if(oglSurface.xOffset)
2801 glTranslated(-oglSurface.xOffset / 64.0/*+0.375*/, 0.0, 0.0);
2803 #if !defined(__OLDX__)
2804 /*if(glBlendFuncSeparate && !oglSurface.writingText)
2805 glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2809 void Stretch(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
2811 OGLSurface oglSurface = surface.driverData;
2813 //glTranslate(-0.375, -0.375, 0.0);
2815 //Logf("Stretch\n");
2817 #if !defined(__OLDX__)
2818 /*if(glBlendFuncSeparate)
2819 glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2822 glEnable(GL_TEXTURE_2D);
2823 glBindTexture(GL_TEXTURE_2D, (uint)bitmap.driverData);
2825 glColor4fv(oglSurface.bitmapMult);
2831 glTexCoord2f((float)(sx)/ bitmap.width, (float)(sy+sh)/ bitmap.height);
2832 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2834 glTexCoord2f((float)(sx+sw) / bitmap.width, (float)(sy+sh)/ bitmap.height);
2835 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2837 glTexCoord2f((float)(sx+sw)/ bitmap.width, (float)(sy)/ bitmap.height);
2838 glVertex2i(dx+w+surface.offset.x, dy-h+surface.offset.y);
2840 glTexCoord2f((float)(sx) / bitmap.width, (float)(sy)/ bitmap.height);
2841 glVertex2i(dx+surface.offset.x, dy-h+surface.offset.y);
2845 glTexCoord2f((float)(sx) / bitmap.width, (float)(sy)/ bitmap.height);
2846 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2848 glTexCoord2f((float)(sx+sw)/ bitmap.width, (float)(sy)/ bitmap.height);
2849 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2851 glTexCoord2f((float)(sx+sw) / bitmap.width, (float)(sy+sh)/ bitmap.height);
2852 glVertex2i(dx+w+surface.offset.x, dy+h+surface.offset.y);
2854 glTexCoord2f((float)(sx)/ bitmap.width, (float)(sy+sh)/ bitmap.height);
2855 glVertex2i(dx+surface.offset.x, dy+h+surface.offset.y);
2860 glDisable(GL_TEXTURE_2D);
2862 //glTranslate(0.375, 0.375, 0.0);
2863 #if !defined(__OLDX__)
2864 /*if(glBlendFuncSeparate)
2865 glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2870 void Filter(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
2872 Stretch(display, surface, bitmap, dx, dy, sx, sy, w, h, sw, sh);
2875 void StretchDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
2877 float s2dw,s2dh,d2sw,d2sh;
2878 bool flipX = false, flipY = false;
2880 //Logf("StretchDI\n");
2882 if(Sgn(w) != Sgn(sw))
2888 if(Sgn(h) != Sgn(sh))
2900 //Clip against the edges of the source
2903 dx+=(int)((0-sx) * s2dw);
2904 w-=(int)((0-sx) * s2dw);
2910 dy+=(int)((0-sy) * s2dh);
2911 h-=(int)((0-sy) * s2dh);
2916 if(sx+sw>bitmap.width-1)
2918 w-=(int)((sx+sw-(bitmap.width-1)-1)*s2dw);
2919 sw-=sx+sw-(bitmap.width-1)-1;
2921 if(sy+sh>(bitmap.height-1))
2923 h-=(int)((sy+sh-(bitmap.height-1)-1)*s2dh);
2924 sh-=sy+sh-(bitmap.height-1)-1;
2926 //Clip against the edges of the surfaceination
2927 if(dx<surface.box.left)
2930 sx+=(int)((surface.box.left-dx)*d2sw);
2931 sw-=(int)((surface.box.left-dx)*d2sw);
2932 w-=surface.box.left-dx;
2933 dx=surface.box.left;
2935 if(dy<surface.box.top)
2937 sy+=(int)((surface.box.top-dy)*d2sh);
2938 sh-=(int)((surface.box.top-dy)*d2sh);
2939 h-=surface.box.top-dy;
2942 if(dx+w>surface.box.right)
2944 //if(flip) sx+=(int)((dx+w-surface.box.right-1)*d2sw);
2945 sw-=(int)((dx+w-surface.box.right-1)*d2sw);
2946 w-=dx+w-surface.box.right-1;
2948 if(dy+h>surface.box.bottom)
2950 sh-=(int)((dy+h-surface.box.bottom-1)*d2sh);
2951 h-=dy+h-surface.box.bottom-1;
2953 if((w<=0)||(h<=0)||(sw<=0)||(sh<=0)) return;
2955 dx += surface.offset.x;
2956 dy += surface.offset.y;
2958 if(bitmap.pixelFormat == pixelFormat888 && !bitmap.paletteShades)
2960 glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
2961 glPixelStorei(GL_UNPACK_ROW_LENGTH, bitmap.stride);
2962 glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx);
2963 glPixelStorei(GL_UNPACK_SKIP_ROWS, sy);
2964 glRasterPos2d(dx,dy);
2965 //glPixelZoom(flipX ? -s2dw : s2dw, flipY ? s2dh : -s2dh);
2966 glPixelZoom(s2dw, -s2dh);
2967 glDrawPixels(sw,sh,GL_BGRA_EXT,GL_UNSIGNED_BYTE, bitmap.picture);
2968 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
2969 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
2970 glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
2971 glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
2975 void BlitDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h)
2979 //Clip against the edges of the source
2992 if(sx+w>bitmap.width-1)
2993 w-=sx+w-(bitmap.width-1)-1;
2994 if(sy+h>bitmap.height-1)
2995 h-=sy+h-(bitmap.height-1)-1;
2996 //Clip against the edges of the surfaceination
2997 if(dx<surface.box.left)
3000 sx+=surface.box.left-dx;
3001 w-=surface.box.left-dx;
3002 dx=surface.box.left;
3004 if(dy<surface.box.top)
3006 sy+=surface.box.top-dy;
3007 h-=surface.box.top-dy;
3010 if(dx+w>surface.box.right)
3012 //if(flip) sx+=dx+w-surface.box.right-1;
3013 w-=dx+w-surface.box.right-1;
3015 if(dy+h>surface.box.bottom)
3016 h-=dy+h-surface.box.bottom-1;
3020 dx += surface.offset.x;
3021 dy += surface.offset.y;
3023 if(bitmap.pixelFormat == pixelFormat888 && !bitmap.paletteShades)
3025 glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
3026 glPixelStorei(GL_UNPACK_ROW_LENGTH, bitmap.stride);
3027 glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx);
3028 glPixelStorei(GL_UNPACK_SKIP_ROWS, sy);
3029 glRasterPos2d(dx,dy);
3031 glDrawPixels(w,h,GL_BGRA_EXT,GL_UNSIGNED_BYTE, bitmap.picture);
3032 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
3033 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
3034 glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
3035 glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
3039 void FilterDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
3041 StretchDI(display, surface, bitmap, dx, dy, sx, sy, w, h, sw, sh);
3044 void UnloadFont(DisplaySystem displaySystem, Font font)
3046 ((subclass(DisplayDriver))class(LFBDisplayDriver)).UnloadFont(displaySystem, font);
3049 Font LoadFont(DisplaySystem displaySystem, char * faceName, float size, FontFlags flags)
3052 OGLSystem oglSystem = displaySystem.driverData;
3053 oglSystem.loadingFont = true;
3054 font = ((subclass(DisplayDriver))class(LFBDisplayDriver)).LoadFont(displaySystem, faceName, size, flags);
3058 void FontExtent(DisplaySystem displaySystem, Font font, char * text, int len, int * width, int * height)
3060 ((subclass(DisplayDriver))class(LFBDisplayDriver)).FontExtent(displaySystem, font, text, len, width, height);
3063 void WriteText(Display display, Surface surface, int x, int y, char * text, int len)
3065 OGLSurface oglSurface = surface.driverData;
3066 OGLSystem oglSystem = display.displaySystem.driverData;
3067 oglSystem.loadingFont = true;
3069 //glTranslated(-0.375, -0.375, 0.0);
3073 if(surface.textOpacity)
3076 FontExtent(display.displaySystem, surface.font, text, len, &w, &h);
3077 display.displaySystem.driver.Area(display, surface,x,y,x+w-1,y+h-1);
3080 oglSurface.writingText = true;
3082 glEnable(GL_TEXTURE_2D);
3083 glColor4fv(oglSurface.foreground);
3085 ((subclass(DisplayDriver))class(LFBDisplayDriver)).WriteText(display, surface, x, y, text, len);
3086 oglSurface.writingText = false;
3087 oglSystem.loadingFont = false;
3089 glDisable(GL_TEXTURE_2D);
3091 //glTranslated(0.375, 0.375, 0.0);
3094 void TextFont(Display display, Surface surface, Font font)
3096 ((subclass(DisplayDriver))class(LFBDisplayDriver)).TextFont(display, surface, font);
3099 void TextOpacity(Display display, Surface surface, bool opaque)
3101 OGLSurface oglSurface = surface.driverData;
3102 oglSurface.opaqueText = opaque;
3105 void TextExtent(Display display, Surface surface, char * text, int len, int * width, int * height)
3107 OGLSurface oglSurface = surface.driverData;
3108 OGLSystem oglSystem = display.displaySystem.driverData;
3109 oglSystem.loadingFont = true;
3110 FontExtent(display.displaySystem, oglSurface.font, text, len, width, height);
3111 oglSystem.loadingFont = false;
3114 void DrawingChar(Display display, Surface surface, char character)
3119 void LineStipple(Display display, Surface surface, uint32 stipple)
3121 //Logf("Stipple\n");
3125 #if defined(__ANDROID__)
3126 stippleEnabled = true;
3127 glesLineStipple(1, (uint16)stipple);
3129 glLineStipple(1, (uint16)stipple);
3130 glEnable(GL_LINE_STIPPLE);
3135 #if defined(__ANDROID__)
3136 stippleEnabled = false;
3137 glMatrixMode(GL_TEXTURE);
3139 glMatrixMode(GL_PROJECTION);
3140 glDisable(GL_TEXTURE_2D);
3142 glDisable(GL_LINE_STIPPLE);
3146 #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA)
3147 void SetRenderState(Display display, RenderState state, uint value)
3149 OGLDisplay oglDisplay = display.driverData;
3150 //Logf("RenderState\n");
3156 glEnable(GL_MULTISAMPLE_ARB);
3158 glDisable(GL_MULTISAMPLE_ARB);
3161 glPolygonMode(GL_FRONT_AND_BACK, ((FillModeValue)value == solid) ? GL_FILL : GL_LINE);
3164 if(value) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST);
3167 if(value) glDepthMask((byte)bool::true); else glDepthMask((byte)bool::false);
3168 oglDisplay.depthWrite = value;
3172 float color[4] = { ((Color)value).r/255.0f, ((Color)value).g/255.0f, ((Color)value).b/255.0f, 1.0f };
3173 glFogfv(GL_FOG_COLOR, (float *)&color);
3178 glFogf(GL_FOG_DENSITY, *(float *)(void *)&value);
3181 if(value) glEnable(GL_BLEND); else glDisable(GL_BLEND);
3185 float ambient[4] = { ((Color)value).r/255.0f, ((Color)value).g/255.0f, ((Color)value).b/255.0f, 1.0f };
3186 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
3191 if(value) glColorMask(1,1,1,1); else glColorMask(1,1,1,0);
3196 #if defined(__WIN32__)
3197 wglSwapIntervalEXT(value ? 1 : 0);
3204 void SetLight(Display display, int id, Light light)
3206 //Logf("SetLight\n");
3210 Object lightObject = light.lightObject;
3211 float position[4] = { 0, 0, 0, 0 };
3212 float color[4] = { 0, 0, 0, 1 };
3214 glEnable(GL_LIGHT0 + id);
3216 glLightfv(GL_LIGHT0 + id, GL_DIFFUSE, (float *)&light.diffuse);
3217 glLightfv(GL_LIGHT0 + id, GL_AMBIENT, (float *)&light.ambient);
3218 glLightfv(GL_LIGHT0 + id, GL_SPECULAR,(float *)&light.specular);
3221 if(!light.multiplier) light.multiplier = 1.0f;
3223 color[0] = light.diffuse.r * light.multiplier;
3224 color[1] = light.diffuse.g * light.multiplier;
3225 color[2] = light.diffuse.b * light.multiplier;
3226 glLightfv(GL_LIGHT0 + id, GL_DIFFUSE, color);
3228 color[0] = light.ambient.r * light.multiplier;
3229 color[1] = light.ambient.g * light.multiplier;
3230 color[2] = light.ambient.b * light.multiplier;
3231 glLightfv(GL_LIGHT0 + id, GL_AMBIENT, color);
3232 color[0] = light.specular.r * light.multiplier;
3233 color[1] = light.specular.g * light.multiplier;
3234 color[2] = light.specular.b * light.multiplier;
3235 glLightfv(GL_LIGHT0 + id, GL_SPECULAR,color);
3239 Vector3D positionVector;
3240 if(light.flags.spot)
3242 if(lightObject.flags.root || !lightObject.parent)
3244 positionVector = lightObject.transform.position;
3245 positionVector.Subtract(positionVector, display.display3D.camera.cPosition);
3249 positionVector.MultMatrix(lightObject.transform.position, lightObject.parent.matrix);
3250 if(display.display3D.camera)
3251 positionVector.Subtract(positionVector, display.display3D.camera.cPosition);
3257 if(!light.direction.x && !light.direction.y && !light.direction.z)
3259 Vector3Df vector { 0,0,-1 };
3261 mat.RotationQuaternion(light.orientation);
3262 positionVector.MultMatrixf(vector, mat);
3266 positionVector = light.direction;
3271 position[0] = (float)positionVector.x;
3272 position[1] = (float)positionVector.y;
3273 position[2] = (float)positionVector.z;
3275 glLightfv(GL_LIGHT0 + id, GL_POSITION, position);
3278 // Display Light Position
3279 glDisable(GL_LIGHTING);
3280 glDisable(GL_DEPTH_TEST);
3284 glVertex3fv(position);
3286 glEnable(GL_DEPTH_TEST);
3287 glEnable(GL_LIGHTING);
3291 if(lightObject.flags.root || !lightObject.parent)
3293 positionVector = light.target.transform.position;
3294 positionVector.Subtract(positionVector, display.camera.cPosition);
3298 positionVector.MultMatrix(light.target.transform.position,
3299 lightObject.light.target.parent.matrix);
3300 positionVector.Subtract(positionVector, display.camera.cPosition);
3303 position[0] = positionVector.x;
3304 position[1] = positionVector.y;
3305 position[2] = positionVector.z;
3307 glDisable(GL_LIGHTING);
3308 glDisable(GL_DEPTH_TEST);
3312 glVertex3fv(position);
3314 glEnable(GL_DEPTH_TEST);
3315 glEnable(GL_LIGHTING);
3318 if(light.flags.attenuation)
3320 glLightf(GL_LIGHT0 + id, GL_CONSTANT_ATTENUATION, light.Kc);
3321 glLightf(GL_LIGHT0 + id, GL_LINEAR_ATTENUATION, light.Kl);
3322 glLightf(GL_LIGHT0 + id, GL_QUADRATIC_ATTENUATION, light.Kq);
3325 if(light.flags.spot)
3328 #define MAXLIGHT 0.9
3329 float direction[4] = { (float)light.direction.x, (float)light.direction.y, (float)light.direction.z, 1 };
3330 // Figure out exponent out of the hot spot
3331 exponent = (float)(log(MAXLIGHT) / log(cos((light.hotSpot / 2))));
3333 glLightfv(GL_LIGHT0 + id, GL_SPOT_DIRECTION, direction);
3334 glLightf(GL_LIGHT0 + id, GL_SPOT_CUTOFF, (float)(light.fallOff / 2));
3335 glLightf(GL_LIGHT0 + id, GL_SPOT_EXPONENT, exponent);
3341 Vector3Df vector { 0,0,-1 };
3342 Vector3Df direction;
3345 mat.RotationQuaternion(light.orientation);
3346 direction.MultMatrix(vector, mat);
3348 position[0] = direction.x;
3349 position[1] = direction.y;
3350 position[2] = direction.z;
3352 glLightfv(GL_LIGHT0 + id, GL_POSITION, position);
3356 glDisable(GL_LIGHT0 + id);
3359 void SetCamera(Display display, Surface surface, Camera camera)
3361 OGLDisplay oglDisplay = display.driverData;
3362 //Logf("SetCamera\n");
3366 int left = surface.box.left + surface.offset.x;
3367 int top = surface.box.top + surface.offset.y;
3368 int right = surface.box.right + surface.offset.x;
3369 int bottom = surface.box.bottom + surface.offset.y;
3370 float origX = surface.offset.x + camera.origin.x;
3371 float origY = surface.offset.y + camera.origin.y;
3373 int y = display.height - bottom - 1;
3374 int w = right - left + 1;
3375 int h = bottom - top + 1;
3378 glViewport(x, y, w, h);
3380 // *** Projection Matrix ***
3381 if(!display.display3D.camera)
3384 glMatrixMode(GL_PROJECTION);
3385 if(display.display3D.collectingHits)
3387 float pickX = display.display3D.pickX + surface.offset.x;
3388 float pickY = display.height - (display.display3D.pickY + surface.offset.y) - 1;
3392 w / display.display3D.pickWidth, 0, 0, 0,
3393 0, h / display.display3D.pickHeight, 0, 0,
3395 (w + 2.0f * (x - pickX)) / display.display3D.pickWidth,
3396 (h + 2.0f * (y - pickY)) / display.display3D.pickHeight, 0, 1
3399 glLoadMatrixd(pickMatrix.array);
3404 (left - origX) * camera.zMin / camera.focalX,
3405 (right - origX) * camera.zMin / camera.focalX,
3406 (bottom - origY) * camera.zMin / camera.focalY,
3407 (top - origY) * camera.zMin / camera.focalY,
3408 camera.zMin, camera.zMax);
3410 glDisable(GL_BLEND);
3412 // *** Z Inverted Identity Matrix ***
3413 glMatrixMode(GL_MODELVIEW);
3414 if(!display.display3D.camera)
3419 glScaled(1.0/nearPlane, 1.0/nearPlane, -1.0/nearPlane);
3421 // *** View Matrix ***
3422 glMultMatrixd(camera.viewMatrix.array);
3427 glEnable(GL_DEPTH_TEST);
3428 glEnable(GL_LIGHTING);
3429 glShadeModel(GL_SMOOTH);
3430 glDepthMask((byte)bool::true);
3431 oglDisplay.depthWrite = true;
3433 glEnable(GL_MULTISAMPLE_ARB);
3435 else if(display.display3D.camera)
3437 oglDisplay.depthWrite = false;
3438 glViewport(0,0,display.width,display.height);
3440 glDisable(GL_CULL_FACE);
3441 glDisable(GL_DEPTH_TEST);
3442 glDisable(GL_LIGHTING);
3444 glDisable(GL_TEXTURE_2D);
3445 glShadeModel(GL_FLAT);
3447 glDisable(GL_MULTISAMPLE_ARB);
3449 // *** Restore 2D MODELVIEW Matrix ***
3452 // *** Restore 2D PROJECTION Matrix ***
3453 glMatrixMode(GL_PROJECTION);
3457 GLBindBuffer(GL_ARRAY_BUFFER_ARB, 0);
3460 void ApplyMaterial(Display display, Material material, Mesh mesh)
3462 //Logf("ApplyMaterial\n");
3465 if(material.flags.doubleSided)
3467 glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, !material.flags.singleSideLight);
3468 glDisable(GL_CULL_FACE);
3472 glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, bool::false);
3473 glEnable(GL_CULL_FACE);
3477 if(material.flags.noFog)
3483 if(material.baseMap && mesh.texCoords)
3485 Bitmap map = material.baseMap;
3486 glEnable(GL_TEXTURE_2D);
3487 glBindTexture(GL_TEXTURE_2D, (uint)map.driverData);
3489 glMatrixMode(GL_TEXTURE);
3491 if(material.uScale && material.vScale)
3492 glScalef(material.uScale, material.vScale, 1);
3493 glMatrixMode(GL_MODELVIEW);
3495 if(material.flags.tile)
3497 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
3498 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
3502 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
3503 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
3507 glDisable(GL_TEXTURE_2D);
3509 if(mesh.flags.colors)
3511 glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
3512 glEnable(GL_COLOR_MATERIAL);
3516 glDisable(GL_COLOR_MATERIAL);
3518 float color[4] = { material.diffuse.r, material.diffuse.g, material.diffuse.b, material.opacity };
3519 glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color);
3522 float color[4] = { material.ambient.r, material.ambient.g, material.ambient.b, 0 };
3523 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color);
3527 float color[4] = { material.specular.r, material.specular.g, material.specular.b, 0 };
3528 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color);
3531 float color[4] = { material.emissive.r, material.emissive.g, material.emissive.b, 0 };
3532 glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, color);
3535 glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, &material.power);
3538 void FreeMesh(DisplaySystem displaySystem, Mesh mesh)
3540 OGLMesh oglMesh = mesh.data;
3543 if(!mesh.flags.vertices)
3545 if(oglMesh.vertices)
3547 GLDeleteBuffers(1, &oglMesh.vertices);
3548 oglMesh.vertices = 0;
3550 delete mesh.vertices;
3552 if(!mesh.flags.normals)
3556 GLDeleteBuffers(1, &oglMesh.normals);
3557 oglMesh.normals = 0;
3559 delete mesh.normals;
3561 if(!mesh.flags.texCoords1)
3563 if(oglMesh.texCoords)
3565 GLDeleteBuffers(1, &oglMesh.texCoords);
3566 oglMesh.texCoords = 0;
3568 delete mesh.texCoords;
3570 if(!mesh.flags.texCoords2)
3572 if(oglMesh.texCoords2)
3574 GLDeleteBuffers(1, &oglMesh.texCoords2);
3575 oglMesh.texCoords2 = 0;
3578 delete mesh.texCoords2;
3581 if(!mesh.flags.colors)
3585 GLDeleteBuffers(1, &oglMesh.colors);
3597 bool AllocateMesh(DisplaySystem displaySystem, Mesh mesh)
3599 bool result = false;
3602 mesh.data = OGLMesh { };
3605 OGLMesh oglMesh = mesh.data;
3607 if(mesh.flags.vertices && !oglMesh.vertices && !mesh.vertices)
3609 mesh.vertices = mesh.flags.doubleVertices ? (Vector3Df *)new Vector3D[mesh.nVertices] : new Vector3Df[mesh.nVertices];
3610 GLGenBuffers(1, &oglMesh.vertices);
3612 if(mesh.flags.normals && !oglMesh.normals && !mesh.normals)
3614 GLGenBuffers( 1, &oglMesh.normals);
3615 mesh.normals = mesh.flags.doubleNormals ? (Vector3Df *)new Vector3D[mesh.nVertices] : new Vector3Df[mesh.nVertices];
3617 if(mesh.flags.texCoords1 && !oglMesh.texCoords && !mesh.texCoords)
3619 GLGenBuffers( 1, &oglMesh.texCoords);
3620 mesh.texCoords = new Pointf[mesh.nVertices];
3622 if(mesh.flags.colors && !oglMesh.colors && !mesh.colors)
3624 GLGenBuffers( 1, &oglMesh.colors);
3625 mesh.colors = new ColorRGBAf[mesh.nVertices];
3632 void UnlockMesh(DisplaySystem displaySystem, Mesh mesh, MeshFeatures flags)
3634 OGLMesh oglMesh = mesh.data;
3635 if(!flags) flags = mesh.flags;
3639 if(!(flags.vertices) || oglMesh.vertices)
3641 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.vertices);
3642 GLBufferData( mesh.flags.doubleVertices ? GL_DOUBLE : GL_FLOAT, GL_ARRAY_BUFFER_ARB, mesh.nVertices * (mesh.flags.doubleVertices ? sizeof(Vector3D) : sizeof(Vector3Df)), mesh.vertices, GL_STATIC_DRAW_ARB );
3645 if(!(flags.normals) || oglMesh.normals)
3647 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.normals);
3648 GLBufferData( mesh.flags.doubleNormals ? GL_DOUBLE : GL_FLOAT, GL_ARRAY_BUFFER_ARB, mesh.nVertices * (mesh.flags.doubleNormals ? sizeof(Vector3D) : sizeof(Vector3Df)), mesh.normals, GL_STATIC_DRAW_ARB );
3651 if(!(flags.texCoords1) || oglMesh.texCoords)
3653 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.texCoords);
3654 GLBufferData( GL_FLOAT, GL_ARRAY_BUFFER_ARB, mesh.nVertices * sizeof(Pointf), mesh.texCoords, GL_STATIC_DRAW_ARB );
3657 if(!(flags.colors) || oglMesh.colors)
3659 GLBindBuffer( GL_ARRAY_BUFFER_ARB, oglMesh.colors);
3660 GLBufferData( GL_FLOAT, GL_ARRAY_BUFFER_ARB, mesh.nVertices * sizeof(ColorRGBAf), mesh.colors, GL_STATIC_DRAW_ARB );
3663 GLBindBuffer( GL_ARRAY_BUFFER_ARB, 0);
3667 bool LockMesh(DisplaySystem displaySystem, Mesh mesh, MeshFeatures flags)
3674 void FreeIndices(DisplaySystem displaySystem, OGLIndices oglIndices)
3678 if(oglIndices.buffer)
3679 GLDeleteBuffers(1, &oglIndices.buffer);
3680 delete oglIndices.indices;
3685 void * AllocateIndices(DisplaySystem displaySystem, int nIndices, bool indices32bit)
3687 OGLIndices oglIndices = OGLIndices { };
3690 oglIndices.indices = (void *)(indices32bit ? new uint32[nIndices] : new uint16[nIndices]);
3691 GLGenBuffers( 1, &oglIndices.buffer);
3692 oglIndices.nIndices = nIndices;
3697 void UnlockIndices(DisplaySystem displaySystem, OGLIndices oglIndices, bool indices32bit, int nIndices)
3701 GLBindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, oglIndices.buffer);
3702 GLBufferData( indices32bit ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, GL_ELEMENT_ARRAY_BUFFER_ARB, nIndices * (indices32bit ? sizeof(uint32) : sizeof(uint16)),
3703 oglIndices.indices, GL_STATIC_DRAW_ARB);
3704 GLBindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
3708 uint16 * LockIndices(DisplaySystem displaySystem, OGLIndices oglIndices)
3711 return oglIndices.indices;
3714 void SelectMesh(Display display, Mesh mesh)
3716 //Logf("SelectMesh\n");
3718 #if !defined( __ANDROID__) && !defined(__APPLE__)
3719 if(display.display3D.mesh && glUnlockArraysEXT)
3720 glUnlockArraysEXT();
3724 OGLDisplay oglDisplay = display.driverData;
3725 OGLMesh oglMesh = mesh.data;
3727 // *** Vertex Stream ***
3728 glEnableClientState(GL_VERTEX_ARRAY);
3729 if(!display.display3D.collectingHits && oglMesh)
3731 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.vertices );
3732 glVertexPointer(3, mesh.flags.doubleVertices ? GL_DOUBLE : GL_FLOAT, 0, vboAvailable ? null : mesh.vertices);
3734 // *** Normals Stream ***
3737 glEnableClientState(GL_NORMAL_ARRAY);
3738 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.normals);
3739 glNormalPointer(mesh.flags.doubleNormals ? GL_DOUBLE : GL_FLOAT, 0, vboAvailable ? null : mesh.normals);
3742 glDisableClientState(GL_NORMAL_ARRAY);
3744 // *** Texture Coordinates Stream ***
3747 glEnableClientState(GL_TEXTURE_COORD_ARRAY);
3748 GLBindBuffer( GL_ARRAY_BUFFER_ARB, oglMesh.texCoords);
3749 glTexCoordPointer(2, GL_FLOAT, 0, vboAvailable ? null : mesh.texCoords);
3752 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
3754 // *** Color Stream ***
3757 glEnableClientState(GL_COLOR_ARRAY);
3758 GLBindBuffer( GL_ARRAY_BUFFER_ARB, oglMesh.colors);
3759 glColorPointer(4, GL_FLOAT, 0, vboAvailable ? null : mesh.colors);
3762 glDisableClientState(GL_COLOR_ARRAY);
3767 GLBindBuffer( GL_ARRAY_BUFFER_ARB, 0);
3768 glVertexPointer(3,mesh.flags.doubleVertices ? GL_DOUBLE : GL_FLOAT,0,mesh.vertices);
3769 if(mesh.normals && !display.display3D.collectingHits)
3771 glEnableClientState(GL_NORMAL_ARRAY);
3772 glNormalPointer(mesh.flags.doubleNormals ? GL_DOUBLE : GL_FLOAT, 0, mesh.normals);
3775 glDisableClientState(GL_NORMAL_ARRAY);
3776 if(mesh.texCoords && !display.display3D.collectingHits)
3778 glEnableClientState(GL_TEXTURE_COORD_ARRAY);
3779 glTexCoordPointer(2, GL_FLOAT, 0, mesh.texCoords);
3782 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
3783 if(mesh.colors && !display.display3D.collectingHits)
3785 glEnableClientState(GL_COLOR_ARRAY);
3786 glColorPointer(4, GL_FLOAT, 0, mesh.colors);
3789 glDisableClientState(GL_COLOR_ARRAY);
3792 #if !defined(__ANDROID__) && !defined(__APPLE__)
3793 if(glLockArraysEXT) glLockArraysEXT(0, mesh.nVertices);
3797 GLBindBuffer(GL_ARRAY_BUFFER_ARB, 0);
3800 void DrawPrimitives(Display display, PrimitiveSingle * primitive, Mesh mesh)
3802 OGLDisplay oglDisplay = display.driverData;
3803 //Logf("DrawPrimitives\n");
3805 if(primitive->type.vertexRange)
3806 glDrawArrays(primitiveTypes[primitive->type.primitiveType], primitive->first, primitive->nVertices);
3809 // *** Hoping the data won't be uploaded at all (Won't really work if another group of the mesh is using the mesh ) ***
3810 // HACK TO SPEED THINGS UP...
3812 GLBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
3813 if(primitive->nIndices < (mesh.nVertices >> 2) && !primitive->type.indices32bit)
3816 glBegin(primitiveTypes[primitive->type.primitiveType]);
3819 OGLIndices oglIndices = primitive->data;
3820 MeshFeatures flags = mesh.flags;
3821 for(c = 0; c<primitive->nIndices; c++)
3823 uint16 index = ((uint16 *) oglIndices.indices)[c];
3824 if(flags.normals) glNormal3fv((float *)&mesh.normals[index]);
3825 if(flags.texCoords1) glTexCoord2fv((float *)&mesh.texCoords[index]);
3826 if(flags.colors) glColor4fv((float *)&mesh.colors[index]);
3827 glVertex3fv((float *)&mesh.vertices[index]);
3835 OGLIndices oglIndices = primitive->data;
3837 if(!display.display3D.collectingHits && vboAvailable && oglIndices)
3839 GLBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB, oglIndices.buffer);
3840 glDrawElements(primitiveTypes[primitive->type.primitiveType], primitive->nIndices,
3841 primitive->type.indices32bit ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, 0);
3842 GLBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
3845 glDrawElements(primitiveTypes[primitive->type.primitiveType], primitive->nIndices,
3846 primitive->type.indices32bit ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, oglIndices ? oglIndices.indices : primitive->indices);
3851 void PushMatrix(Display display)
3856 void PopMatrix(Display display, bool setMatrix)
3861 void SetTransform(Display display, Matrix transMatrix, bool viewSpace, bool useCamera)
3863 Matrix matrix = transMatrix;
3864 Camera camera = useCamera ? display.display3D.camera : null;
3869 glScaled(1.0/nearPlane, 1.0/nearPlane, -1.0/nearPlane);
3874 matrix.m[3][0] - camera.cPosition.x,
3875 matrix.m[3][1] - camera.cPosition.y,
3876 matrix.m[3][2] - camera.cPosition.z);
3888 glMultMatrixd(matrix.array);
3893 public void UseSingleGLContext(bool useSingle)
3895 useSingleGLContext = useSingle;
3898 default dllexport void * __attribute__((stdcall)) IS_GLGetContext(DisplaySystem displaySystem)
3900 void * context = null;
3903 OGLSystem system = displaySystem.driverData;
3904 #if defined(__WIN32__)
3907 return system.glContext;