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
1230 #if defined(__WIN32__)
1231 PIXELFORMATDESCRIPTOR pfd;
1237 XVisualInfo * visualInfo;
1238 GLXContext glContext;
1239 GLXDrawable glxDrawable;
1244 class OGLSurface : struct
1251 float foreground[4], background[4], bitmapMult[4];
1254 class OGLMesh : struct
1263 class OGLIndices : struct
1270 #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA)
1271 static int primitiveTypes[RenderPrimitiveType] =
1273 GL_POINTS, GL_LINES, GL_TRIANGLES, GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GL_QUADS, GL_QUAD_STRIP, GL_LINE_STRIP
1280 class OpenGLDisplayDriver : DisplayDriver
1282 class_property(name) = "OpenGL";
1284 bool LockSystem(DisplaySystem displaySystem)
1286 OGLSystem oglSystem = displaySystem.driverData;
1287 if(useSingleGLContext) return true;
1288 #if defined(__WIN32__)
1289 wglMakeCurrent(oglSystem.hdc, oglSystem.glrc);
1290 #elif defined(__unix__) || defined(__APPLE__)
1291 //if(previous) return true;
1292 // printf("Making SYSTEM current\n");
1293 #if !defined(__ANDROID__)
1294 glXMakeCurrent(xGlobalDisplay, (GLXDrawable)oglSystem.glxDrawable, oglSystem.glContext);
1296 //previous = oglSystem.glContext;
1301 void UnlockSystem(DisplaySystem displaySystem)
1303 if(useSingleGLContext) return;
1304 #if defined(__WIN32__)
1305 wglMakeCurrent(null, null);
1306 #elif defined(__unix__) || defined(__APPLE__)
1307 // printf("Making NULL current\n");
1308 #if defined(__ANDROID__)
1310 glXMakeCurrent(xGlobalDisplay, None, null);
1316 bool Lock(Display display)
1318 OGLDisplay oglDisplay = display.driverData;
1319 OGLSystem oglSystem = display.displaySystem.driverData;
1321 if(useSingleGLContext) return true;
1322 #if defined(__WIN32__)
1323 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1324 #elif defined(__unix__) || defined(__APPLE__)
1325 // if(previous) glXMakeCurrent(xGlobalDisplay, None, null);
1326 // printf(" Making DISPLAY current\n");
1327 #if defined(__ANDROID__)
1329 glXMakeCurrent(xGlobalDisplay, (int)display.window, oglDisplay.glContext);
1335 void Unlock(Display display)
1337 if(useSingleGLContext) return;
1338 //printf(" Making NULL current\n");
1339 //glXMakeCurrent(xGlobalDisplay, None, null);
1341 LockSystem(display.displaySystem);
1344 void DestroyDisplay(Display display)
1346 OGLDisplay oglDisplay = display.driverData;
1350 #if defined(__WIN32__)
1351 wglMakeCurrent( null, null );
1354 wglDeleteContext(oglDisplay.glrc);
1356 if(oglDisplay.hdc && oglDisplay.pBuffer)
1357 wglReleasePbufferDCARB(oglDisplay.pBuffer, oglDisplay.hdc);
1359 if(oglDisplay.pBuffer)
1360 wglDestroyPbufferARB(oglDisplay.pBuffer);
1363 ReleaseDC(display.window, oglDisplay.hdc);
1365 if(oglDisplay.memDC) DeleteDC(oglDisplay.memDC);
1366 if(oglDisplay.memBitmap) DeleteObject(oglDisplay.memBitmap);
1368 #elif defined(__unix__) || defined(__APPLE__)
1369 #if defined(__ANDROID__)
1371 if(oglDisplay.shapePixmap)
1372 XFreePixmap(xGlobalDisplay, oglDisplay.shapePixmap);
1373 if(oglDisplay.pixmap)
1374 XFreePixmap(xGlobalDisplay, oglDisplay.pixmap);
1375 if(oglDisplay.image)
1377 if(oglDisplay.shminfoShape.shmid != -1)
1379 XShmDetach(xGlobalDisplay, &oglDisplay.shminfo);
1380 if(oglDisplay.shminfo.shmaddr != (void *)-1)
1381 shmdt(oglDisplay.shminfo.shmaddr);
1382 shmctl(oglDisplay.shminfo.shmid, IPC_RMID, 0);
1385 if(oglDisplay.shapeImage)
1387 if(oglDisplay.shminfoShape.shmid != -1)
1389 XShmDetach(xGlobalDisplay, &oglDisplay.shminfoShape);
1390 if(oglDisplay.shminfoShape.shmaddr != (void *)-1)
1391 shmdt(oglDisplay.shminfoShape.shmaddr);
1392 shmctl(oglDisplay.shminfoShape.shmid, IPC_RMID, 0);
1394 XDestroyImage(oglDisplay.shapeImage);
1395 oglDisplay.shapeImage = None;
1398 glXMakeCurrent(xGlobalDisplay, None, null);
1400 if(oglDisplay.glContext)
1401 glXDestroyContext(xGlobalDisplay, oglDisplay.glContext);
1404 delete oglDisplay.flippingBuffer;
1406 display.driverData = null;
1410 bool CreateDisplaySystem(DisplaySystem displaySystem)
1412 bool result = false;
1413 OGLSystem oglSystem = displaySystem.driverData = OGLSystem { };
1416 oglSystem.hwnd = CreateWindow("static", null, 0,0,0,0,0,null,null,null,null);
1418 oglSystem.hdc = GetDC(oglSystem.hwnd);
1422 oglSystem.pfd.nSize = (short)sizeof(oglSystem.pfd);
1423 oglSystem.pfd.nVersion = 1;
1424 oglSystem.pfd.dwFlags = PFD_DRAW_TO_WINDOW /*PFD_DRAW_TO_BITMAP*/ | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
1425 oglSystem.pfd.iPixelType = PFD_TYPE_RGBA;
1426 oglSystem.pfd.cColorBits = 24;
1427 oglSystem.pfd.cAlphaBits = 8;
1428 oglSystem.pfd.cDepthBits = 24;
1429 oglSystem.pfd.iLayerType = PFD_MAIN_PLANE;
1431 oglSystem.format = ChoosePixelFormat(oglSystem.hdc, &oglSystem.pfd);
1432 DescribePixelFormat(oglSystem.hdc, oglSystem.format, sizeof(oglSystem.pfd), &oglSystem.pfd);
1434 if(oglSystem.pfd.cColorBits > 8)
1436 SetPixelFormat(oglSystem.hdc, oglSystem.format, &oglSystem.pfd);
1437 oglSystem.glrc = wglCreateContext(oglSystem.hdc);
1440 wglMakeCurrent(oglSystem.hdc, oglSystem.glrc);
1442 // Get Pointers To The GL Functions
1443 glActiveTextureARB = (void *) wglGetProcAddress("glActiveTextureARB");
1444 glMultiTexCoord2fARB = (void *) wglGetProcAddress("glMultiTexCoord2fARB");
1445 glClientActiveTextureARB = (void *) wglGetProcAddress("glClientActiveTextureARB");
1446 glLockArraysEXT = (void *) wglGetProcAddress("glLockArraysEXT" );
1447 glUnlockArraysEXT = (void *) wglGetProcAddress("glUnlockArraysEXT");
1448 glGenBuffersARB = (void *) wglGetProcAddress("glGenBuffersARB");
1449 glBindBufferARB = (void *) wglGetProcAddress("glBindBufferARB");
1450 glBufferDataARB = (void *) wglGetProcAddress("glBufferDataARB");
1451 glMapBufferARB = (void *) wglGetProcAddress("glMapBufferARB");
1452 glUnmapBufferARB = (void *) wglGetProcAddress("glUnmapBufferARB");
1453 glDeleteBuffersARB = (void *) wglGetProcAddress("glDeleteBuffersARB");
1454 glBlendFuncSeparate = (void *) wglGetProcAddress("glBlendFuncSeparate");
1456 wglChoosePixelFormatARB = (void *) wglGetProcAddress("wglChoosePixelFormatARB");
1457 wglGetExtensionsStringARB = (void *)wglGetProcAddress("wglGetExtensionsStringARB");
1458 wglCreatePbufferARB = (void *)wglGetProcAddress("wglCreatePbufferARB");
1459 wglGetPbufferDCARB = (void *)wglGetProcAddress("wglGetPbufferDCARB");
1460 wglQueryPbufferARB = (void *)wglGetProcAddress("wglQueryPbufferARB");
1461 wglDestroyPbufferARB = (void *)wglGetProcAddress("wglDestroyPbufferARB");
1462 wglReleasePbufferDCARB = (void *)wglGetProcAddress("wglReleasePbufferDCARB");
1463 wglBindTexImageARB = (void *)wglGetProcAddress("wglBindTexImageARB");
1464 wglReleaseTexImageARB = (void *)wglGetProcAddress("wglReleaseTexImageARB");
1466 wglSwapIntervalEXT = (void *)wglGetProcAddress("wglSwapIntervalEXT");
1468 vboAvailable = glBindBufferARB != null;
1470 // eSystem_LoggingMode(LOG_MSGBOX, null);
1472 if(wglChoosePixelFormatARB)
1477 float fAttributes[] = {0,0};
1480 WGL_DRAW_TO_WINDOW_ARB,GL_TRUE,
1481 WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
1482 WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
1483 WGL_COLOR_BITS_ARB,24,
1484 WGL_ALPHA_BITS_ARB,8,
1485 WGL_DEPTH_BITS_ARB,16,
1486 WGL_STENCIL_BITS_ARB,0,
1487 WGL_DOUBLE_BUFFER_ARB,GL_TRUE,
1488 WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
1489 WGL_SAMPLES_ARB, 4, // Check For 4x Multisampling
1493 //Log("Found wglChoosePixelFormatARB\n");
1495 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1496 if(!valid || !numFormats)
1498 //Log("Can't find 4x multi sampling\n");
1499 iAttributes[19] = 2;
1500 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1501 if(!valid || !numFormats)
1503 // Log("Can't find 2x multi sampling\n");
1504 iAttributes[16] = 0;
1505 iAttributes[17] = 0;
1506 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1509 if(valid && numFormats)
1511 oglSystem.format = pixelFormat;
1512 wglMakeCurrent(null, null);
1513 wglDeleteContext(oglSystem.glrc);
1515 // *** DescribePixelFormat does not support WGL pixel formats! ***
1516 //DescribePixelFormat(oglSystem.hdc, oglSystem.format, sizeof(oglSystem.pfd), &oglSystem.pfd);
1517 SetPixelFormat(oglSystem.hdc, oglSystem.format, &oglSystem.pfd);
1518 //Log("Successfully set pixel format\n");
1520 oglSystem.glrc = wglCreateContext(oglSystem.hdc);
1521 wglMakeCurrent(oglSystem.hdc, oglSystem.glrc);
1525 eSystem_Logf("Can't find wglChoosePixelFormatARB\n");*/
1529 wglMakeCurrent(null, null);
1531 //eSystem_DumpErrors(true);
1535 #elif defined(__unix__) || defined(__APPLE__)
1536 vboAvailable = true;
1537 #if defined(__ANDROID__)
1538 egl_init_display(guiApp.desktop.windowHandle);
1542 X11Window root = RootWindow( xGlobalDisplay, DefaultScreen( xGlobalDisplay ) );
1543 XSetWindowAttributes attr;
1548 #ifndef ECERE_MINIGLX
1549 GLX_USE_GL, GLX_DEPTH_SIZE, 1,
1552 GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
1556 oglSystem.visualInfo = glXChooseVisual( xGlobalDisplay, DefaultScreen( xGlobalDisplay ), attrList );
1557 attr.background_pixel = 0;
1558 attr.border_pixel = 0;
1559 attr.colormap = XCreateColormap( xGlobalDisplay, root, oglSystem.visualInfo->visual, AllocNone);
1560 attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
1561 mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
1563 oglSystem.glxDrawable = XCreateWindow( xGlobalDisplay, root, 0, 0, 1, 1, 0, oglSystem.visualInfo->depth, InputOutput,
1564 oglSystem.visualInfo->visual, mask, &attr );
1566 if(oglSystem.visualInfo)
1568 oglSystem.glContext = glXCreateContext(xGlobalDisplay, oglSystem.visualInfo, null, True);
1569 if(oglSystem.glContext)
1571 glXMakeCurrent(xGlobalDisplay, oglSystem.glxDrawable, oglSystem.glContext);
1573 glXMakeCurrent(xGlobalDisplay, None, null);
1580 displaySystem.flags.alpha = true;
1581 displaySystem.flags.flipping = true;
1582 displaySystem.pixelFormat = pixelFormat888;
1586 void DestroyDisplaySystem(DisplaySystem displaySystem)
1588 OGLSystem oglSystem = displaySystem.driverData;
1590 #if defined(__WIN32__)
1591 wglMakeCurrent( null, null );
1594 wglDeleteContext(oglSystem.glrc);
1597 ReleaseDC(oglSystem.hwnd, oglSystem.hdc);
1598 DestroyWindow(oglSystem.hwnd);
1600 #elif defined(__unix__) || defined(__APPLE__)
1601 #if defined(__ANDROID__)
1604 if(oglSystem.visualInfo)
1606 #ifdef ECERE_MINIGLX
1607 __miniglx_XFree(oglSystem.visualInfo);
1609 XFree(oglSystem.visualInfo);
1613 if(oglSystem.glxDrawable)
1615 XDestroyWindow(xGlobalDisplay, oglSystem.glxDrawable);
1616 oglSystem.glxDrawable = 0;
1623 bool CreateDisplay(Display display)
1625 bool result = false;
1626 OGLDisplay oglDisplay = display.driverData;
1627 OGLSystem oglSystem = display.displaySystem.driverData;
1629 oglDisplay = display.driverData = OGLDisplay { };
1630 //printf("Inside CreateDisplay\n");
1632 #if defined(__WIN32__) || defined(USEPBUFFER)
1633 if(!display.alphaBlend)
1636 #if defined(__WIN32__)
1637 oglDisplay.hdc = GetDC(display.window);
1638 SetPixelFormat(oglDisplay.hdc, oglSystem.format, &oglSystem.pfd);
1639 if((oglDisplay.glrc = wglCreateContext(oglDisplay.hdc)))
1641 wglShareLists(oglSystem.glrc, oglDisplay.glrc);
1642 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1646 ReleaseDC(display.window, oglDisplay.hdc);
1647 #elif defined(__unix__) || defined(__APPLE__)
1648 #if defined(__ANDROID__)
1650 XVisualInfo * visualInfo = ((XWindowData)display.windowDriverData).visual;
1652 #if defined(__APPLE__)
1653 XVisualInfo template = { 0 };
1654 XWindowAttributes winAttr;
1656 XGetWindowAttributes(xGlobalDisplay, (X11Window)display.window, &winAttr);
1657 template.visualid = XVisualIDFromVisual(winAttr.visual);
1658 visualInfo = XGetVisualInfo(xGlobalDisplay, VisualIDMask, &template, &n);
1660 printf("XGetVisualInfo visual ID = %d\n", template.visualid);
1661 printf("visualInfo visual ID = %d\n", visualInfo->visualid);
1662 printf("oglSystem.visualInfo visual ID = %d\n", oglSystem.visualInfo->visualid);
1663 printf("((XWindowData)display.windowDriverData).visual visual ID = %d\n", ((XWindowData)display.windowDriverData).visual->visualid);
1665 // visualInfo = oglSystem.visualInfo;
1670 //printf("visualInfo is not null\n");
1671 // printf("Creating Display Context, sharing with %x!\n", oglSystem.glContext);
1672 oglDisplay.glContext = glXCreateContext(xGlobalDisplay, visualInfo, oglSystem.glContext, True);
1673 //XFree(visualInfo);
1676 // oglDisplay.glContext = glXCreateContext(xGlobalDisplay, oglSystem.visualInfo, oglSystem.glContext, True);
1677 if(oglDisplay.glContext)
1679 //printf("CreateDisplay Got a Context\n");
1680 glXMakeCurrent(xGlobalDisplay, (int)display.window, oglDisplay.glContext);
1686 #if defined(__WIN32__) || defined(USEPBUFFER)
1692 #if !defined(__OLDX__)
1693 if(glBlendFuncSeparate)
1694 glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
1697 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1700 glMatrixMode(GL_MODELVIEW);
1701 glScaled(1.0, 1.0, -1.0);
1702 // glTranslatef(0.375f, 0.375f, 0.0f);
1703 // glTranslatef(-0.625f, -0.625f, 0.0f);
1704 glMatrixMode(GL_PROJECTION);
1705 glShadeModel(GL_FLAT);
1707 // glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, true);
1708 glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
1709 glFogi(GL_FOG_MODE, GL_EXP);
1710 glFogf(GL_FOG_DENSITY, 0);
1711 glEnable(GL_NORMALIZE);
1712 glDepthFunc(GL_LESS);
1714 glDisable(GL_MULTISAMPLE_ARB);
1716 #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA)
1717 display.ambient = Color { 50,50,50 };
1720 if(!useSingleGLContext)
1722 #if defined(__WIN32__)
1723 wglMakeCurrent(null, null);
1724 #elif defined(__unix__) || defined(__APPLE__)
1725 #if defined(__ANDROID__)
1728 glXMakeCurrent(xGlobalDisplay, None, null);
1736 bool DisplaySize(Display display, int width, int height)
1738 OGLDisplay oglDisplay = display.driverData;
1739 OGLSystem oglSystem = display.displaySystem.driverData;
1741 bool result = false;
1743 //printf("Inside DisplaySize\n");
1744 #if defined(__WIN32__) || defined(USEPBUFFER)
1745 if(display.alphaBlend)
1747 #if defined(__WIN32__)
1748 const int attributes[]=
1750 /*WGL_TEXTURE_FORMAT_ARB, WGL_TEXTURE_RGBA_ARB,
1751 WGL_TEXTURE_TARGET_ARB, WGL_TEXTURE_2D_ARB, */0
1753 int pixelFormat = 0;
1754 if(wglChoosePixelFormatARB)
1758 float fAttributes[] = {0,0};
1761 //WGL_DRAW_TO_BITMAP_ARB, GL_TRUE,
1762 WGL_DRAW_TO_PBUFFER_ARB,GL_TRUE,
1763 WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
1764 WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
1765 WGL_COLOR_BITS_ARB,24,
1766 WGL_ALPHA_BITS_ARB,8,
1767 WGL_DEPTH_BITS_ARB,16,
1768 WGL_STENCIL_BITS_ARB,0,
1769 WGL_DOUBLE_BUFFER_ARB,GL_FALSE,
1770 WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
1771 WGL_SAMPLES_ARB, 4, // Check For 4x Multisampling
1775 //Log("Found wglChoosePixelFormatARB\n");
1777 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1778 if(!valid || !numFormats)
1780 //Log("Can't find 4x multi sampling\n");
1781 iAttributes[19] = 2;
1782 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1783 if(!valid || !numFormats)
1785 // Log("Can't find 2x multi sampling\n");
1786 iAttributes[16] = 0;
1787 iAttributes[17] = 0;
1788 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1789 if(!valid || !numFormats)
1793 WGL_DRAW_TO_PBUFFER_ARB,GL_TRUE,
1794 //WGL_DRAW_TO_BITMAP_ARB,GL_TRUE,
1795 WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
1796 WGL_COLOR_BITS_ARB,24,
1797 WGL_ALPHA_BITS_ARB,8,
1798 WGL_DEPTH_BITS_ARB,16,
1801 valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
1805 if(valid && numFormats)
1807 wglMakeCurrent(null, null);
1811 wglMakeCurrent( null, null );
1812 wglMakeCurrent( oglDisplay.hdc, oglDisplay.glrc );
1813 if(oglDisplay.hdc && oglDisplay.pBuffer)
1814 wglReleasePbufferDCARB(oglDisplay.pBuffer, oglDisplay.hdc);
1816 wglDestroyPbufferARB(oglDisplay.pBuffer);
1818 if(!useSingleGLContext)
1819 wglMakeCurrent( null, null );
1822 wglDeleteContext(oglDisplay.glrc);
1824 oglDisplay.pBuffer = wglCreatePbufferARB(oglSystem.hdc, pixelFormat, width, height, attributes);
1825 oglDisplay.hdc = wglGetPbufferDCARB(oglDisplay.pBuffer);
1826 if((oglDisplay.glrc = wglCreateContext(oglDisplay.hdc)))
1829 HDC hdc = GetDC(display.window);
1831 wglShareLists(oglSystem.glrc, oglDisplay.glrc);
1832 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1834 //wglQueryPbufferARB(pBuffer, WGL_PBUFFER_WIDTH_ARB, &width);
1835 //wglQueryPbufferARB(pBuffer, WGL_PBUFFER_HEIGHT_ARB, &height);
1837 // glDeleteBuffersARB(2, oglDisplay.imageBuffers);
1839 if((info = (BITMAPINFO *)new0 byte[sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256]))
1843 if(oglDisplay.memDC) DeleteDC(oglDisplay.memDC);
1844 oglDisplay.memDC = CreateCompatibleDC(hdc);
1845 SetMapMode(oglDisplay.memDC, MM_TEXT);
1846 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1847 info->bmiHeader.biPlanes = 1;
1848 info->bmiHeader.biCompression = BI_RGB;
1849 info->bmiHeader.biBitCount = 32; //(uint16)GetDeviceCaps(hdc, BITSPIXEL);
1850 info->bmiHeader.biWidth = width;
1851 info->bmiHeader.biHeight = height;
1852 newBitmap = CreateDIBSection(hdc, info, DIB_RGB_COLORS, &oglDisplay.picture, null, 0);
1855 SelectObject(oglDisplay.memDC, newBitmap);
1856 if(oglDisplay.memBitmap) DeleteObject(oglDisplay.memBitmap);
1859 PIXELFORMATDESCRIPTOR pfd = { 0 };
1860 pfd.nSize = (short)sizeof(pfd);
1862 pfd.dwFlags = PFD_DRAW_TO_BITMAP | PFD_SUPPORT_OPENGL;
1863 pfd.iPixelType = PFD_TYPE_RGBA;
1864 pfd.cColorBits = 32;
1865 //pfd.cAlphaBits = 8;
1866 pfd.cDepthBits = 24;
1867 pfd.iLayerType = PFD_MAIN_PLANE;
1869 oglDisplay.hdc = oglDisplay.memDC;
1871 pixelFormat = ChoosePixelFormat(oglSystem.hdc, &pfd);
1872 DescribePixelFormat(oglDisplay.hdc, pixelFormat, sizeof(pfd), &pfd);
1873 SetPixelFormat(oglDisplay.hdc, pixelFormat, &pfd);
1875 oglDisplay.glrc = wglCreateContext(oglDisplay.hdc);
1876 wglShareLists(oglSystem.glrc, oglDisplay.glrc);
1877 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
1882 const int imageSize = width * height * 4;
1884 glGenBuffersARB(2, oglDisplay.imageBuffers);
1886 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
1887 glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, imageSize, null, GL_STREAM_READ);
1888 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
1889 // glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, imageSize / 2, null, GL_STREAM_READ);
1892 oglDisplay.memBitmap = newBitmap;
1893 oglDisplay.stride = width;
1899 ReleaseDC(display.window, hdc);
1901 #elif defined(__unix__) || defined(__APPLE__)
1902 #if defined(__ANDROID__)
1907 GLX_DOUBLEBUFFER, True,
1913 GLX_STENCIL_SIZE, 1,
1914 //GLX_DEPTH_SIZE, 24,
1915 GLX_RENDER_TYPE, GLX_RGBA_BIT,
1916 GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT | GLX_WINDOW_BIT,
1922 GLX_PBUFFER_WIDTH, width,
1923 GLX_PBUFFER_HEIGHT, height,
1924 GLX_LARGEST_PBUFFER, False,
1928 // choose a pixel format that meets our minimum requirements
1931 GLXFBConfig *config = glXChooseFBConfig(xGlobalDisplay, DefaultScreen(xGlobalDisplay), attrib, &count);
1934 if(oglDisplay.pixmap)
1936 XFreePixmap(xGlobalDisplay, oglDisplay.pixmap);
1937 oglDisplay.pixmap = None;
1939 if(oglDisplay.shapePixmap)
1941 XFreePixmap(xGlobalDisplay, oglDisplay.shapePixmap);
1942 oglDisplay.shapePixmap = None;
1945 // Free Shared Memory Pixmap
1946 if(oglDisplay.image)
1948 if(oglDisplay.shminfoShape.shmid != -1)
1950 XShmDetach(xGlobalDisplay, &oglDisplay.shminfo);
1951 if(oglDisplay.shminfo.shmaddr != (void *)-1)
1952 shmdt(oglDisplay.shminfo.shmaddr);
1953 shmctl(oglDisplay.shminfo.shmid, IPC_RMID, 0);
1955 XDestroyImage(oglDisplay.image);
1956 oglDisplay.image = None;
1958 if(oglDisplay.shapeImage)
1960 if(oglDisplay.shminfoShape.shmid != -1)
1962 XShmDetach(xGlobalDisplay, &oglDisplay.shminfoShape);
1963 if(oglDisplay.shminfoShape.shmaddr != (void *)-1)
1964 shmdt(oglDisplay.shminfoShape.shmaddr);
1965 shmctl(oglDisplay.shminfoShape.shmid, IPC_RMID, 0);
1967 XDestroyImage(oglDisplay.shapeImage);
1968 oglDisplay.shapeImage = None;
1971 if(oglDisplay.windowPicture)
1972 XRenderFreePicture(xGlobalDisplay, oglDisplay.windowPicture);
1973 if(oglDisplay.pixmapPicture)
1974 XRenderFreePicture(xGlobalDisplay, oglDisplay.pixmapPicture);
1976 if(oglDisplay.pixmap)
1977 XFreePixmap(xGlobalDisplay, oglDisplay.pixmap);
1979 if(oglDisplay.glContext)
1980 glXDestroyContext(xGlobalDisplay, oglDisplay.glContext);
1981 if(oglDisplay.pBuffer)
1982 glXDestroyPbuffer(xGlobalDisplay, oglDisplay.pBuffer);
1984 oglDisplay.pBuffer = glXCreatePbuffer(xGlobalDisplay, config[0], PBattrib);
1985 if(oglDisplay.pBuffer)
1987 oglDisplay.glContext = glXCreateNewContext(xGlobalDisplay, config[0], GLX_RGBA_TYPE, oglSystem.glContext, True);
1988 if(oglDisplay.glContext)
1990 glXMakeCurrent(xGlobalDisplay, None, null);
1991 glXMakeCurrent(xGlobalDisplay, (int)display.window, oglDisplay.glContext);
1993 // Initialize Shared Memory Pixmap
1994 oglDisplay.image = XShmCreateImage(xGlobalDisplay, DefaultVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), 32,
1995 ZPixmap, null, &oglDisplay.shminfo, width, height);
1996 if(oglDisplay.image)
1998 oglDisplay.shminfo.shmid = shmget(IPC_PRIVATE,
1999 oglDisplay.image->bytes_per_line * oglDisplay.image->height, IPC_CREAT|0777);
2000 if(oglDisplay.shminfo.shmid != -1)
2002 oglDisplay.shminfo.shmaddr = shmat(oglDisplay.shminfo.shmid, 0, 0);
2003 if(oglDisplay.shminfo.shmaddr != (void *)-1)
2005 oglDisplay.shminfo.readOnly = False;
2006 if(XShmAttach(xGlobalDisplay, &oglDisplay.shminfo))
2008 oglDisplay.pixmap = XShmCreatePixmap(xGlobalDisplay, (X11Window)display.window, oglDisplay.shminfo.shmaddr,
2009 &oglDisplay.shminfo, width, height, 32);
2011 // Initialize Shared Memory Shape Pixmap
2012 oglDisplay.shapeImage = XShmCreateImage(xGlobalDisplay, DefaultVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), 1,
2013 ZPixmap, null, &oglDisplay.shminfoShape, width, height);
2014 if(oglDisplay.shapeImage)
2016 oglDisplay.shminfoShape.shmid = shmget(IPC_PRIVATE,
2017 oglDisplay.shapeImage->bytes_per_line * oglDisplay.shapeImage->height, IPC_CREAT|0777);
2018 if(oglDisplay.shminfoShape.shmid != -1)
2020 oglDisplay.shminfoShape.shmaddr = shmat(oglDisplay.shminfoShape.shmid, 0, 0);
2021 if(oglDisplay.shminfoShape.shmaddr != (void *)-1)
2023 oglDisplay.shminfoShape.readOnly = False;
2024 if(XShmAttach(xGlobalDisplay, &oglDisplay.shminfoShape))
2026 oglDisplay.shapePixmap = XShmCreatePixmap(xGlobalDisplay, (X11Window)display.window, oglDisplay.shminfoShape.shmaddr,
2027 &oglDisplay.shminfoShape, width, height, 1);
2028 //oglDisplay.shapePixmap = XCreatePixmap(xGlobalDisplay, (X11Window)display.window, width, height, 1);
2031 XRenderPictureAttributes attributes = { 0 };
2032 XRenderPictFormat * format = XRenderFindStandardFormat(xGlobalDisplay, /*PictStandardRGB24*/ PictStandardARGB32);
2033 #if !defined(__APPLE__) && !defined(__OLDX__)
2034 attributes.repeat = RepeatNormal;
2036 attributes.repeat = 1;
2038 oglDisplay.pixmapPicture = XRenderCreatePicture(xGlobalDisplay, oglDisplay.pixmap, format, CPRepeat, &attributes);
2039 oglDisplay.windowPicture = XRenderCreatePicture(xGlobalDisplay, (X11Window)display.window, format, 0, &attributes);
2040 oglDisplay.shapePicture = XRenderCreatePicture(xGlobalDisplay, oglDisplay.shapePixmap,
2041 XRenderFindStandardFormat(xGlobalDisplay, PictStandardA1), 0, &attributes);
2044 oglDisplay.picture = oglDisplay.shminfo.shmaddr;
2045 oglDisplay.stride = oglDisplay.image->bytes_per_line / 4;
2062 CreateDisplay(display);
2063 #if defined(__WIN32__)
2064 wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc);
2065 #elif defined(__unix__) || defined(__APPLE__)
2066 #if defined(__ANDROID__)
2070 glXMakeCurrent(xGlobalDisplay, (int)display.window, oglDisplay.glContext);
2077 if(!result && display.alphaBlend)
2079 printf("Alpha blending windows not supported on this display\n");
2086 glViewport(0,0,width,height);
2088 glOrtho(0,width,height,0,0.0,1.0);
2089 displayWidth = display.width = width;
2090 displayHeight = display.height = height;
2092 if(!oglDisplay.flippingBuffer || oglDisplay.flipBufW < width || oglDisplay.flipBufH < height)
2094 oglDisplay.flipBufW = width;
2095 oglDisplay.flipBufH = height;
2096 oglDisplay.flippingBuffer = renew oglDisplay.flippingBuffer ColorAlpha [width * height];
2098 if(oglDisplay.flippingBuffer || !width || !height)
2104 void DisplayPosition(Display display, int x, int y)
2106 OGLDisplay oglDisplay = display.driverData;
2112 void SetPalette(Display display, ColorAlpha * palette, bool colorMatch)
2116 void RestorePalette(Display display)
2120 void StartUpdate(Display display)
2124 void EndUpdate(Display display)
2128 void Scroll(Display display, Box scroll, int x, int y, Extent dirty)
2132 void Update(Display display, Box updateBox)
2134 OGLDisplay oglDisplay = display.driverData;
2135 //Logf("DisplayScreen\n");
2139 #if defined(__WIN32__) || defined(USEPBUFFER)
2140 if(display.alphaBlend)
2142 glPixelStorei(GL_PACK_ALIGNMENT, 4);
2143 glPixelStorei(GL_PACK_ROW_LENGTH, oglDisplay.stride);
2144 glPixelStorei(GL_PACK_SKIP_ROWS, 0);
2145 glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
2146 glReadPixels(0,0,display.width,display.height,GL_BGRA_EXT,GL_UNSIGNED_BYTE, oglDisplay.picture);
2149 #if defined(__WIN32__)
2151 POINT point = { oglDisplay.x, oglDisplay.y};
2152 POINT srcPoint = { 0, 0 };
2153 BLENDFUNCTION blend = { 0 };
2155 size.cx = display.width;
2156 size.cy = display.height;
2157 blend.BlendOp = AC_SRC_OVER;
2158 blend.BlendFlags = 0;
2159 blend.SourceConstantAlpha = 255;
2160 blend.AlphaFormat = AC_SRC_ALPHA;
2163 // Process partial images. Mapping the buffer waits for
2164 // outstanding DMA transfers into the buffer to finish.
2165 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
2166 oglDisplay.pboMemory1 = (byte *)glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY);
2168 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
2169 // oglDisplay.pboMemory2 = (byte *)glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB,GL_READ_ONLY);
2172 memcpy(oglDisplay.picture, oglDisplay.pboMemory1, display.width * display.height * 4);
2173 //memcpy(oglDisplay.picture + display.width * display.height * 4 / 2, oglDisplay.pboMemory2, display.width * display.height * 4/ 2);
2176 UpdateLayeredWindow(display.window, hdc, &point, &size, oglDisplay.memDC, &srcPoint, 0, &blend, ULW_ALPHA);
2179 // Unmap the image buffers
2180 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
2181 glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
2183 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
2184 // glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
2186 // Bind two different buffer objects and start the glReadPixels
2187 // asynchronously. Each call will return directly after
2188 // starting the DMA transfer.
2189 glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]);
2190 glReadPixels(0, 0, display.width, display.height, GL_BGRA, GL_UNSIGNED_BYTE, 0);
2192 // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]);
2193 // glReadPixels(0, display.height/2, display.width, display.height/2, GL_BGRA, GL_UNSIGNED_BYTE, 0);
2197 #elif defined(__unix__) || defined(__APPLE__)
2198 #if defined(__ANDROID__)
2200 XTransform transform =
2203 { (int)(1.0f * (1<<16)), (int)(0.0f * (1<<16)), (int)(0 * (1 << 16)) },
2204 { (int)(0.0f), (int)(-1.0f * (1<<16)), (int)(0 * (1<<16)) },
2205 { (int)(0.0f * (1<<16)), (int)(0.0f * (1<<16)), (int)(1.0f * (1<<16)) }
2208 XRenderSetPictureTransform(xGlobalDisplay, oglDisplay.pixmapPicture, &transform);
2209 XRenderComposite(xGlobalDisplay, PictOpSrc, oglDisplay.pixmapPicture, None, oglDisplay.shapePicture, 0, 0, 0, 0, 0, 0, display.width, display.height);
2210 XRenderComposite(xGlobalDisplay, PictOpSrc, oglDisplay.pixmapPicture, None, oglDisplay.windowPicture, 0, 0, 0, 0, 0, 0, display.width, display.height);
2211 #if !defined(__APPLE__) && !defined(__OLDX__)
2212 XShapeCombineMask(xGlobalDisplay, (X11Window)display.window, ShapeInput, 0, 0, oglDisplay.shapePixmap, ShapeSet);
2214 XShapeCombineMask(xGlobalDisplay, display.window, 2, 0, 0, oglDisplay.shapePixmap, ShapeSet);
2216 XFlush(xGlobalDisplay);
2224 #if defined(__WIN32__)
2225 //wglSwapLayerBuffers(oglDisplay.hdc,WGL_SWAP_MAIN_PLANE);
2226 SwapBuffers(oglDisplay.hdc);
2227 #elif defined(__unix__) || defined(__APPLE__)
2228 #if defined(__ANDROID__)
2229 eglSwapBuffers(eglDisplay, eglSurface);
2231 glXSwapBuffers(xGlobalDisplay, (int)display.window);
2235 //Logf("Out of DisplayScreen\n");
2238 void FreeBitmap(DisplaySystem displaySystem, Bitmap bitmap)
2240 glDeleteTextures(1, (int *)&bitmap.driverData);
2241 bitmap.driverData = 0;
2243 bitmap.driver = ((subclass(DisplayDriver))class(LFBDisplayDriver));
2246 bool AllocateBitmap(DisplaySystem displaySystem, Bitmap bitmap, int width, int height, int stride, PixelFormat format, bool allocatePalette)
2248 bool result = false;
2252 uint w = pow2i(Min(width, 1024)), h = pow2i(Min(height, 1024));
2253 //uint w = pow2i(Min(width, 2048)), h = pow2i(Min(height, 2048));
2254 //uint w = pow2i(Min(width, 512)), h = pow2i(Min(height, 512));
2256 glGenTextures(1, &glBitmap);
2257 glBindTexture(GL_TEXTURE_2D, glBitmap);
2259 glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
2261 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
2262 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
2264 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
2265 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
2267 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
2269 mipMap.Allocate(null, w, h, w, pixelFormatRGBA, false);
2271 // glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2272 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2276 bitmap.driverData = (void *)glBitmap;
2277 bitmap.driver = displaySystem.driver;
2285 bool MakeDDBitmap(DisplaySystem displaySystem, Bitmap bitmap, bool mipMaps)
2287 bool result = false;
2288 OGLSystem oglSystem = displaySystem.driverData;
2290 // Pre process the bitmap... First make it 32 bit
2291 if(/*bitmap.pixelFormat == pixelFormatRGBA || */bitmap.Convert(null, pixelFormat888, null))
2294 uint w = pow2i(Min(bitmap.width, 1024)), h = pow2i(Min(bitmap.height, 1024));
2295 //uint w = pow2i(Min(bitmap.width, 512)), h = pow2i(Min(bitmap.height, 512));
2298 // Switch ARGB to RGBA
2299 //if(bitmap.format != pixelFormatRGBA)
2301 for(c=0; c<bitmap.size; c++)
2303 // ((ColorRGBA *)bitmap.picture)[c] = ((ColorAlpha *)bitmap.picture)[c];
2305 ColorAlpha color = ((ColorAlpha *)bitmap.picture)[c];
2306 ((ColorRGBA *)bitmap.picture)[c] = ColorRGBA { color.color.r, color.color.g, color.color.b, color.a };
2309 bitmap.pixelFormat = pixelFormat888;
2312 glGenTextures(1, &glBitmap);
2315 int error = glGetError();
2320 glBindTexture(GL_TEXTURE_2D, glBitmap);
2321 glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
2323 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
2324 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mipMaps ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR);
2325 //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
2327 //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
2328 //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
2330 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
2331 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
2333 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
2337 for(level = 0; result && (w > 1 || h > 1); level++, w >>= 1, h >>= 1)
2340 if(bitmap.width != w || bitmap.height != h)
2342 mipMap = Bitmap { };
2343 if(mipMap.Allocate(null, w, h, w, bitmap.pixelFormat, false))
2345 Surface mipSurface = mipMap.GetSurface(0,0,null);
2346 mipSurface.Filter(bitmap, 0,0,0,0, w, h, bitmap.width, bitmap.height);
2363 // glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2364 glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture);
2365 //printf("Calling glTexImage2D\n");
2366 //glGetTexLevelParameteriv(GL_TEXTURE_2D, level, GL_TEXTURE_WIDTH, &width);
2367 //printf("width = %d (Should be %d, %d)\n", width, w, h);
2368 if((error = glGetError()))
2370 //Logf("OpenGL Bitmap MakeDD error: %d...\n", error);
2371 //printf("OpenGL Bitmap MakeDD error: %d...\n", error);
2375 if(mipMap != bitmap)
2380 if(!bitmap.keepData)
2381 bitmap.driver.FreeBitmap(bitmap.displaySystem, bitmap);
2382 bitmap.driverData = (void *)glBitmap;
2383 bitmap.driver = displaySystem.driver;
2386 FreeBitmap(displaySystem, bitmap);
2387 else if(oglSystem.loadingFont)
2389 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
2390 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
2391 oglSystem.loadingFont = false;
2397 void ReleaseSurface(Display display, Surface surface)
2399 glDisable(GL_SCISSOR_TEST);
2400 delete surface.driverData;
2401 surface.driverData = null;
2404 bool GetBitmapSurface(DisplaySystem displaySystem, Surface surface, Bitmap bitmap, int x, int y, Box clip)
2409 bool GetSurface(Display display, Surface surface, int x,int y, Box clip)
2411 bool result = false;
2412 OGLSurface oglSurface = surface.driverData = OGLSurface { };
2414 //Logf("GetSurface\n");
2418 if(displayWidth != display.width || displayHeight != display.height)
2420 displayWidth = display.width;
2421 displayHeight = display.height;
2423 glViewport(0,0,display.width,display.height);
2425 glOrtho(0,display.width,display.height,0,0.0,1.0);
2428 surface.offset.x = x;
2429 surface.offset.y = y;
2430 surface.unclippedBox = surface.box = clip;
2431 oglSurface.bitmapMult[0] = 1;
2432 oglSurface.bitmapMult[1] = 1;
2433 oglSurface.bitmapMult[2] = 1;
2434 oglSurface.bitmapMult[3] = 1;
2436 glEnable(GL_SCISSOR_TEST);
2439 (display.height) -(y+clip.bottom)-1,
2440 clip.right-clip.left+1,
2441 clip.bottom-clip.top+1);
2447 void Clip(Display display, Surface surface, Box clip)
2456 box.Clip(surface.unclippedBox);
2460 box = surface.box = surface.unclippedBox;
2461 box.left += surface.offset.x;
2462 box.top += surface.offset.y;
2463 box.right+= surface.offset.x;
2464 box.bottom += surface.offset.y;
2467 box.left,display.height - box.bottom - 1,
2468 box.right-box.left+1, box.bottom-box.top+1);
2471 bool GrabScreen(Display display, Bitmap bitmap, int x, int y, unsigned int w, unsigned int h)
2473 bool result = false;
2474 OGLDisplay oglDisplay = display.driverData;
2475 ColorAlpha * flippingBuffer = oglDisplay.flippingBuffer;
2477 if(oglDisplay.flippingBuffer)
2479 if(bitmap.pixelFormat != pixelFormat888 || bitmap.width < w || bitmap.height < h)
2482 bitmap.Allocate(null, w,h,w, pixelFormat888, false);
2488 glPixelStorei(GL_PACK_ALIGNMENT, 4);
2489 glPixelStorei(GL_PACK_ROW_LENGTH, bitmap.stride);
2490 glPixelStorei(GL_PACK_SKIP_ROWS, 0);
2491 glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
2492 glReadPixels(x,display.height-h-y,w,h,GL_BGRA_EXT,GL_UNSIGNED_BYTE, flippingBuffer);
2495 for(row = 0; row<h; row++)
2496 CopyBytesBy4(((ColorAlpha *)bitmap.picture) + row * w, ((ColorAlpha *)flippingBuffer) + (h-row-1) * w, w);
2503 void SetForeground(Display display, Surface surface, ColorAlpha color)
2505 OGLSurface oglSurface = surface.driverData;
2507 //Logf("SetForeground\n");
2509 oglSurface.foreground[0] = color.color.r/255.0f;
2510 oglSurface.foreground[1] = color.color.g/255.0f;
2511 oglSurface.foreground[2] = color.color.b/255.0f;
2512 //oglSurface.foreground[3] = 1.0f;
2513 oglSurface.foreground[3] = color.a/255.0f;
2515 //if(!oglSurface.foreground[3])printf("bug");
2518 void SetBackground(Display display, Surface surface, ColorAlpha color)
2520 OGLSurface oglSurface = surface.driverData;
2522 //Logf("SetBackground\n");
2524 oglSurface.background[0] = color.color.r/255.0f;
2525 oglSurface.background[1] = color.color.g/255.0f;
2526 oglSurface.background[2] = color.color.b/255.0f;
2527 //oglSurface.background[3] = 1.0;
2528 oglSurface.background[3] = color.a/255.0f;
2531 void SetBlitTint(Display display, Surface surface, ColorAlpha color)
2533 OGLSurface oglSurface = surface.driverData;
2535 oglSurface.bitmapMult[0] = color.color.r/255.0f;
2536 oglSurface.bitmapMult[1] = color.color.g/255.0f;
2537 oglSurface.bitmapMult[2] = color.color.b/255.0f;
2538 oglSurface.bitmapMult[3] = color.a/255.0f;
2541 ColorAlpha GetPixel(Display display, Surface surface,int x,int y)
2546 void PutPixel(Display display, Surface surface,int x,int y)
2548 OGLSurface oglSurface = surface.driverData;
2550 //Logf("PutPixel\n");
2552 glColor4fv(oglSurface.foreground);
2554 // glVertex2i(x+surface.offset.x, y+surface.offset.y);
2555 glVertex2f(x+surface.offset.x + 0.5f, y+surface.offset.y + 0.5f);
2560 void DrawLine(Display display, Surface surface, int x1, int y1, int x2, int y2)
2562 OGLSurface oglSurface = surface.driverData;
2563 if(x1 == x2) { y2++; y1--; }
2564 else if(y1 == y2) { x2++; x1--; }
2565 x1 += surface.offset.x;
2566 y1 += surface.offset.y;
2567 x2 += surface.offset.x;
2568 y2 += surface.offset.y;
2572 glColor4fv(oglSurface.foreground);
2577 glTexCoord2f(0.5f, 0);
2578 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2579 glTexCoord2f(Max(x2-x1, y2-y1) + 0.5f, 0);
2580 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2589 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2590 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2596 void Rectangle(Display display, Surface surface,int x1,int y1,int x2,int y2)
2598 OGLSurface oglSurface = surface.driverData;
2599 x1 += surface.offset.x;
2600 y1 += surface.offset.y;
2601 x2 += surface.offset.x;
2602 y2 += surface.offset.y;
2604 //Logf("Rectangle\n");
2606 glColor4fv(oglSurface.foreground);
2612 glTexCoord2f(0.5f, 0);
2613 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2614 glTexCoord2f(y2-y1 + 0.5f, 0);
2615 glVertex2f(x1 + 0.5f, y2 + 0.5f);
2617 glTexCoord2f(0.5f, 0);
2618 glVertex2f(x1 + 0.5f, y2 + 0.5f);
2619 glTexCoord2f(x2 - x1 + 0.5f, 0);
2620 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2622 glTexCoord2f(0.5f, 0);
2623 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2624 glTexCoord2f(y1 - y2 + 0.5f, 0);
2625 glVertex2f(x2 + 0.5f, y1 + 0.5f);
2627 glTexCoord2f(0.5f, 0);
2628 glVertex2f(x2 + 0.5f, y1 + 0.5f);
2629 glTexCoord2f(x1 - x2 + 0.5f, 0);
2630 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2635 glBegin(GL_LINE_LOOP);
2642 glVertex2f(x1 + 0.5f, y1 + 0.5f);
2643 glVertex2f(x1 + 0.5f, y2 + 0.5f);
2644 glVertex2f(x2 + 0.5f, y2 + 0.5f);
2645 glVertex2f(x2 + 0.5f, y1 + 0.5f);
2650 void Area(Display display, Surface surface,int x1,int y1,int x2,int y2)
2652 OGLSurface oglSurface = surface.driverData;
2655 glColor4fv(oglSurface.background);
2656 glRecti(x1+surface.offset.x, y1+surface.offset.y,
2657 x2+surface.offset.x + 1, y2+surface.offset.y + 1);
2660 glRectf(x1+surface.offset.x, y1+surface.offset.y,
2661 x2+surface.offset.x + 1, y2+surface.offset.y + 1);
2665 void Clear(Display display, Surface surface, ClearType type)
2667 OGLDisplay oglDisplay = display.driverData;
2668 OGLSurface oglSurface = surface.driverData;
2671 if(type != depthBuffer)
2672 glClearColor(oglSurface.background[0], oglSurface.background[1], oglSurface.background[2], oglSurface.background[3]);
2673 if(type != colorBuffer && !oglDisplay.depthWrite)
2675 glDepthMask((byte)bool::true);
2677 glClear(((type != depthBuffer) ? GL_COLOR_BUFFER_BIT : 0) |
2678 ((type != colorBuffer) ? GL_DEPTH_BUFFER_BIT : 0));
2679 if(type != colorBuffer && !oglDisplay.depthWrite)
2681 glDepthMask((byte)bool::false);
2685 bool ConvertBitmap(DisplaySystem displaySystem, Bitmap bitmap, PixelFormat format, ColorAlpha * palette)
2690 void Blit(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h)
2692 OGLSurface oglSurface = surface.driverData;
2694 #if !defined(__OLDX__)
2695 // WHY DO WE HAVE GL_ONE HERE ?
2696 /*if(glBlendFuncSeparate && !oglSurface.writingText)
2697 glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2700 if(!oglSurface.writingText)
2702 // glTranslatef(-0.375f, -0.375f, 0.0f);
2703 glEnable(GL_TEXTURE_2D);
2704 glColor4fv(oglSurface.bitmapMult);
2706 else if(oglSurface.xOffset)
2707 glTranslated(oglSurface.xOffset / 64.0/*-0.375*/, 0.0, 0.0);
2709 glBindTexture(GL_TEXTURE_2D, (uint)bitmap.driverData);
2714 glTexCoord2f((float)sx/ bitmap.width, (float)(sy-h)/ bitmap.height);
2715 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2716 glTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy-h)/ bitmap.height);
2717 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2718 glTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height);
2719 glVertex2i(dx+w+surface.offset.x, dy-h+surface.offset.y);
2720 glTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height);
2721 glVertex2i(dx+surface.offset.x, dy-h+surface.offset.y);
2726 glTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height);
2727 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2728 glTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height);
2729 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2730 glTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy+h)/ bitmap.height);
2731 glVertex2i(dx+w+surface.offset.x, dy+h+surface.offset.y);
2732 glTexCoord2f((float)sx/ bitmap.width, (float)(sy+h)/ bitmap.height);
2733 glVertex2i(dx+surface.offset.x, dy+h+surface.offset.y);
2736 glTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height);
2737 glVertex2f((float)dx+surface.offset.x, (float)dy+surface.offset.y);
2738 glTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height);
2739 glVertex2f((float)dx+w+surface.offset.x, (float)dy+surface.offset.y);
2740 glTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy+h)/ bitmap.height);
2741 glVertex2f((float)dx+w+surface.offset.x, (float)dy+h+surface.offset.y);
2742 glTexCoord2f((float)sx/ bitmap.width, (float)(sy+h)/ bitmap.height);
2743 glVertex2f((float)dx+surface.offset.x, (float)dy+h+surface.offset.y);
2747 if(!oglSurface.writingText)
2749 glDisable(GL_TEXTURE_2D);
2751 //glTranslate(0.375, 0.375, 0.0);
2753 else if(oglSurface.xOffset)
2754 glTranslated(-oglSurface.xOffset / 64.0/*+0.375*/, 0.0, 0.0);
2756 #if !defined(__OLDX__)
2757 /*if(glBlendFuncSeparate && !oglSurface.writingText)
2758 glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2762 void Stretch(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
2764 OGLSurface oglSurface = surface.driverData;
2766 //glTranslate(-0.375, -0.375, 0.0);
2768 //Logf("Stretch\n");
2770 #if !defined(__OLDX__)
2771 /*if(glBlendFuncSeparate)
2772 glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2775 glEnable(GL_TEXTURE_2D);
2776 glBindTexture(GL_TEXTURE_2D, (uint)bitmap.driverData);
2778 glColor4fv(oglSurface.bitmapMult);
2784 glTexCoord2f((float)(sx)/ bitmap.width, (float)(sy+sh)/ bitmap.height);
2785 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2787 glTexCoord2f((float)(sx+sw) / bitmap.width, (float)(sy+sh)/ bitmap.height);
2788 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2790 glTexCoord2f((float)(sx+sw)/ bitmap.width, (float)(sy)/ bitmap.height);
2791 glVertex2i(dx+w+surface.offset.x, dy-h+surface.offset.y);
2793 glTexCoord2f((float)(sx) / bitmap.width, (float)(sy)/ bitmap.height);
2794 glVertex2i(dx+surface.offset.x, dy-h+surface.offset.y);
2798 glTexCoord2f((float)(sx) / bitmap.width, (float)(sy)/ bitmap.height);
2799 glVertex2i(dx+surface.offset.x, dy+surface.offset.y);
2801 glTexCoord2f((float)(sx+sw)/ bitmap.width, (float)(sy)/ bitmap.height);
2802 glVertex2i(dx+w+surface.offset.x, dy+surface.offset.y);
2804 glTexCoord2f((float)(sx+sw) / bitmap.width, (float)(sy+sh)/ bitmap.height);
2805 glVertex2i(dx+w+surface.offset.x, dy+h+surface.offset.y);
2807 glTexCoord2f((float)(sx)/ bitmap.width, (float)(sy+sh)/ bitmap.height);
2808 glVertex2i(dx+surface.offset.x, dy+h+surface.offset.y);
2813 glDisable(GL_TEXTURE_2D);
2815 //glTranslate(0.375, 0.375, 0.0);
2816 #if !defined(__OLDX__)
2817 /*if(glBlendFuncSeparate)
2818 glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);*/
2823 void Filter(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
2825 Stretch(display, surface, bitmap, dx, dy, sx, sy, w, h, sw, sh);
2828 void StretchDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
2830 float s2dw,s2dh,d2sw,d2sh;
2831 bool flipX = false, flipY = false;
2833 //Logf("StretchDI\n");
2835 if(Sgn(w) != Sgn(sw))
2841 if(Sgn(h) != Sgn(sh))
2853 //Clip against the edges of the source
2856 dx+=(int)((0-sx) * s2dw);
2857 w-=(int)((0-sx) * s2dw);
2863 dy+=(int)((0-sy) * s2dh);
2864 h-=(int)((0-sy) * s2dh);
2869 if(sx+sw>bitmap.width-1)
2871 w-=(int)((sx+sw-(bitmap.width-1)-1)*s2dw);
2872 sw-=sx+sw-(bitmap.width-1)-1;
2874 if(sy+sh>(bitmap.height-1))
2876 h-=(int)((sy+sh-(bitmap.height-1)-1)*s2dh);
2877 sh-=sy+sh-(bitmap.height-1)-1;
2879 //Clip against the edges of the surfaceination
2880 if(dx<surface.box.left)
2883 sx+=(int)((surface.box.left-dx)*d2sw);
2884 sw-=(int)((surface.box.left-dx)*d2sw);
2885 w-=surface.box.left-dx;
2886 dx=surface.box.left;
2888 if(dy<surface.box.top)
2890 sy+=(int)((surface.box.top-dy)*d2sh);
2891 sh-=(int)((surface.box.top-dy)*d2sh);
2892 h-=surface.box.top-dy;
2895 if(dx+w>surface.box.right)
2897 //if(flip) sx+=(int)((dx+w-surface.box.right-1)*d2sw);
2898 sw-=(int)((dx+w-surface.box.right-1)*d2sw);
2899 w-=dx+w-surface.box.right-1;
2901 if(dy+h>surface.box.bottom)
2903 sh-=(int)((dy+h-surface.box.bottom-1)*d2sh);
2904 h-=dy+h-surface.box.bottom-1;
2906 if((w<=0)||(h<=0)||(sw<=0)||(sh<=0)) return;
2908 dx += surface.offset.x;
2909 dy += surface.offset.y;
2911 if(bitmap.pixelFormat == pixelFormat888 && !bitmap.paletteShades)
2913 glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
2914 glPixelStorei(GL_UNPACK_ROW_LENGTH, bitmap.stride);
2915 glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx);
2916 glPixelStorei(GL_UNPACK_SKIP_ROWS, sy);
2917 glRasterPos2d(dx,dy);
2918 //glPixelZoom(flipX ? -s2dw : s2dw, flipY ? s2dh : -s2dh);
2919 glPixelZoom(s2dw, -s2dh);
2920 glDrawPixels(sw,sh,GL_BGRA_EXT,GL_UNSIGNED_BYTE, bitmap.picture);
2921 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
2922 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
2926 void BlitDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h)
2930 //Clip against the edges of the source
2943 if(sx+w>bitmap.width-1)
2944 w-=sx+w-(bitmap.width-1)-1;
2945 if(sy+h>bitmap.height-1)
2946 h-=sy+h-(bitmap.height-1)-1;
2947 //Clip against the edges of the surfaceination
2948 if(dx<surface.box.left)
2951 sx+=surface.box.left-dx;
2952 w-=surface.box.left-dx;
2953 dx=surface.box.left;
2955 if(dy<surface.box.top)
2957 sy+=surface.box.top-dy;
2958 h-=surface.box.top-dy;
2961 if(dx+w>surface.box.right)
2963 //if(flip) sx+=dx+w-surface.box.right-1;
2964 w-=dx+w-surface.box.right-1;
2966 if(dy+h>surface.box.bottom)
2967 h-=dy+h-surface.box.bottom-1;
2971 dx += surface.offset.x;
2972 dy += surface.offset.y;
2974 if(bitmap.pixelFormat == pixelFormat888 && !bitmap.paletteShades)
2976 glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
2977 glPixelStorei(GL_UNPACK_ROW_LENGTH, bitmap.stride);
2978 glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx);
2979 glPixelStorei(GL_UNPACK_SKIP_ROWS, sy);
2980 glRasterPos2d(dx,dy);
2982 glDrawPixels(w,h,GL_BGRA_EXT,GL_UNSIGNED_BYTE, bitmap.picture);
2983 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
2984 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
2988 void FilterDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh)
2990 StretchDI(display, surface, bitmap, dx, dy, sx, sy, w, h, sw, sh);
2993 void UnloadFont(DisplaySystem displaySystem, Font font)
2995 ((subclass(DisplayDriver))class(LFBDisplayDriver)).UnloadFont(displaySystem, font);
2998 Font LoadFont(DisplaySystem displaySystem, char * faceName, float size, FontFlags flags)
3001 OGLSystem oglSystem = displaySystem.driverData;
3002 oglSystem.loadingFont = true;
3003 font = ((subclass(DisplayDriver))class(LFBDisplayDriver)).LoadFont(displaySystem, faceName, size, flags);
3007 void FontExtent(DisplaySystem displaySystem, Font font, char * text, int len, int * width, int * height)
3009 ((subclass(DisplayDriver))class(LFBDisplayDriver)).FontExtent(displaySystem, font, text, len, width, height);
3012 void WriteText(Display display, Surface surface, int x, int y, char * text, int len)
3014 OGLSurface oglSurface = surface.driverData;
3015 OGLSystem oglSystem = display.displaySystem.driverData;
3016 oglSystem.loadingFont = true;
3018 //glTranslated(-0.375, -0.375, 0.0);
3022 if(surface.textOpacity)
3025 FontExtent(display.displaySystem, surface.font, text, len, &w, &h);
3026 display.displaySystem.driver.Area(display, surface,x,y,x+w-1,y+h-1);
3029 oglSurface.writingText = true;
3031 glEnable(GL_TEXTURE_2D);
3032 glColor4fv(oglSurface.foreground);
3034 ((subclass(DisplayDriver))class(LFBDisplayDriver)).WriteText(display, surface, x, y, text, len);
3035 oglSurface.writingText = false;
3036 oglSystem.loadingFont = false;
3038 glDisable(GL_TEXTURE_2D);
3040 //glTranslated(0.375, 0.375, 0.0);
3043 void TextFont(Display display, Surface surface, Font font)
3045 ((subclass(DisplayDriver))class(LFBDisplayDriver)).TextFont(display, surface, font);
3048 void TextOpacity(Display display, Surface surface, bool opaque)
3050 OGLSurface oglSurface = surface.driverData;
3051 oglSurface.opaqueText = opaque;
3054 void TextExtent(Display display, Surface surface, char * text, int len, int * width, int * height)
3056 OGLSurface oglSurface = surface.driverData;
3057 OGLSystem oglSystem = display.displaySystem.driverData;
3058 oglSystem.loadingFont = true;
3059 FontExtent(display.displaySystem, oglSurface.font, text, len, width, height);
3060 oglSystem.loadingFont = false;
3063 void DrawingChar(Display display, Surface surface, char character)
3068 void LineStipple(Display display, Surface surface, uint32 stipple)
3070 //Logf("Stipple\n");
3074 #if defined(__ANDROID__)
3075 stippleEnabled = true;
3076 glesLineStipple(1, (uint16)stipple);
3078 glLineStipple(1, (uint16)stipple);
3079 glEnable(GL_LINE_STIPPLE);
3084 #if defined(__ANDROID__)
3085 stippleEnabled = false;
3086 glMatrixMode(GL_TEXTURE);
3088 glMatrixMode(GL_PROJECTION);
3089 glDisable(GL_TEXTURE_2D);
3091 glDisable(GL_LINE_STIPPLE);
3095 #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA)
3096 void SetRenderState(Display display, RenderState state, uint value)
3098 OGLDisplay oglDisplay = display.driverData;
3099 //Logf("RenderState\n");
3105 glEnable(GL_MULTISAMPLE_ARB);
3107 glDisable(GL_MULTISAMPLE_ARB);
3110 glPolygonMode(GL_FRONT_AND_BACK, ((FillModeValue)value == solid) ? GL_FILL : GL_LINE);
3113 if(value) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST);
3116 if(value) glDepthMask((byte)bool::true); else glDepthMask((byte)bool::false);
3117 oglDisplay.depthWrite = value;
3121 float color[4] = { ((Color)value).r/255.0f, ((Color)value).g/255.0f, ((Color)value).b/255.0f, 1.0f };
3122 glFogfv(GL_FOG_COLOR, (float *)&color);
3127 glFogf(GL_FOG_DENSITY, *(float *)(void *)&value);
3130 if(value) glEnable(GL_BLEND); else glDisable(GL_BLEND);
3134 float ambient[4] = { ((Color)value).r/255.0f, ((Color)value).g/255.0f, ((Color)value).b/255.0f, 1.0f };
3135 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
3140 if(value) glColorMask(1,1,1,1); else glColorMask(1,1,1,0);
3145 #if defined(__WIN32__)
3146 wglSwapIntervalEXT(value ? 1 : 0);
3153 void SetLight(Display display, int id, Light light)
3155 //Logf("SetLight\n");
3159 Object lightObject = light.lightObject;
3160 float position[4] = { 0, 0, 0, 0 };
3161 float color[4] = { 0, 0, 0, 1 };
3163 glEnable(GL_LIGHT0 + id);
3165 glLightfv(GL_LIGHT0 + id, GL_DIFFUSE, (float *)&light.diffuse);
3166 glLightfv(GL_LIGHT0 + id, GL_AMBIENT, (float *)&light.ambient);
3167 glLightfv(GL_LIGHT0 + id, GL_SPECULAR,(float *)&light.specular);
3170 if(!light.multiplier) light.multiplier = 1.0f;
3172 color[0] = light.diffuse.r * light.multiplier;
3173 color[1] = light.diffuse.g * light.multiplier;
3174 color[2] = light.diffuse.b * light.multiplier;
3175 glLightfv(GL_LIGHT0 + id, GL_DIFFUSE, color);
3177 color[0] = light.ambient.r * light.multiplier;
3178 color[1] = light.ambient.g * light.multiplier;
3179 color[2] = light.ambient.b * light.multiplier;
3180 glLightfv(GL_LIGHT0 + id, GL_AMBIENT, color);
3181 color[0] = light.specular.r * light.multiplier;
3182 color[1] = light.specular.g * light.multiplier;
3183 color[2] = light.specular.b * light.multiplier;
3184 glLightfv(GL_LIGHT0 + id, GL_SPECULAR,color);
3188 Vector3D positionVector;
3189 if(light.flags.spot)
3191 if(lightObject.flags.root || !lightObject.parent)
3193 positionVector = lightObject.transform.position;
3194 positionVector.Subtract(positionVector, display.display3D.camera.cPosition);
3198 positionVector.MultMatrix(lightObject.transform.position, lightObject.parent.matrix);
3199 if(display.display3D.camera)
3200 positionVector.Subtract(positionVector, display.display3D.camera.cPosition);
3206 if(!light.direction.x && !light.direction.y && !light.direction.z)
3208 Vector3Df vector { 0,0,-1 };
3210 mat.RotationQuaternion(light.orientation);
3211 positionVector.MultMatrixf(vector, mat);
3215 positionVector = light.direction;
3220 position[0] = (float)positionVector.x;
3221 position[1] = (float)positionVector.y;
3222 position[2] = (float)positionVector.z;
3224 glLightfv(GL_LIGHT0 + id, GL_POSITION, position);
3227 // Display Light Position
3228 glDisable(GL_LIGHTING);
3229 glDisable(GL_DEPTH_TEST);
3233 glVertex3fv(position);
3235 glEnable(GL_DEPTH_TEST);
3236 glEnable(GL_LIGHTING);
3240 if(lightObject.flags.root || !lightObject.parent)
3242 positionVector = light.target.transform.position;
3243 positionVector.Subtract(positionVector, display.camera.cPosition);
3247 positionVector.MultMatrix(light.target.transform.position,
3248 lightObject.light.target.parent.matrix);
3249 positionVector.Subtract(positionVector, display.camera.cPosition);
3252 position[0] = positionVector.x;
3253 position[1] = positionVector.y;
3254 position[2] = positionVector.z;
3256 glDisable(GL_LIGHTING);
3257 glDisable(GL_DEPTH_TEST);
3261 glVertex3fv(position);
3263 glEnable(GL_DEPTH_TEST);
3264 glEnable(GL_LIGHTING);
3267 if(light.flags.attenuation)
3269 glLightf(GL_LIGHT0 + id, GL_CONSTANT_ATTENUATION, light.Kc);
3270 glLightf(GL_LIGHT0 + id, GL_LINEAR_ATTENUATION, light.Kl);
3271 glLightf(GL_LIGHT0 + id, GL_QUADRATIC_ATTENUATION, light.Kq);
3274 if(light.flags.spot)
3277 #define MAXLIGHT 0.9
3278 float direction[4] = { (float)light.direction.x, (float)light.direction.y, (float)light.direction.z, 1 };
3279 // Figure out exponent out of the hot spot
3280 exponent = (float)(log(MAXLIGHT) / log(cos((light.hotSpot / 2))));
3282 glLightfv(GL_LIGHT0 + id, GL_SPOT_DIRECTION, direction);
3283 glLightf(GL_LIGHT0 + id, GL_SPOT_CUTOFF, (float)(light.fallOff / 2));
3284 glLightf(GL_LIGHT0 + id, GL_SPOT_EXPONENT, exponent);
3290 Vector3Df vector { 0,0,-1 };
3291 Vector3Df direction;
3294 mat.RotationQuaternion(light.orientation);
3295 direction.MultMatrix(vector, mat);
3297 position[0] = direction.x;
3298 position[1] = direction.y;
3299 position[2] = direction.z;
3301 glLightfv(GL_LIGHT0 + id, GL_POSITION, position);
3305 glDisable(GL_LIGHT0 + id);
3308 void SetCamera(Display display, Surface surface, Camera camera)
3310 OGLDisplay oglDisplay = display.driverData;
3311 //Logf("SetCamera\n");
3315 int left = surface.box.left + surface.offset.x;
3316 int top = surface.box.top + surface.offset.y;
3317 int right = surface.box.right + surface.offset.x;
3318 int bottom = surface.box.bottom + surface.offset.y;
3319 float origX = surface.offset.x + camera.origin.x;
3320 float origY = surface.offset.y + camera.origin.y;
3322 int y = display.height - bottom - 1;
3323 int w = right - left + 1;
3324 int h = bottom - top + 1;
3327 glViewport(x, y, w, h);
3329 // *** Projection Matrix ***
3330 if(!display.display3D.camera)
3333 glMatrixMode(GL_PROJECTION);
3334 if(display.display3D.collectingHits)
3336 float pickX = display.display3D.pickX + surface.offset.x;
3337 float pickY = display.height - (display.display3D.pickY + surface.offset.y) - 1;
3341 w / display.display3D.pickWidth, 0, 0, 0,
3342 0, h / display.display3D.pickHeight, 0, 0,
3344 (w + 2.0f * (x - pickX)) / display.display3D.pickWidth,
3345 (h + 2.0f * (y - pickY)) / display.display3D.pickHeight, 0, 1
3348 glLoadMatrixd(pickMatrix.array);
3353 (left - origX) * camera.zMin / camera.focalX,
3354 (right - origX) * camera.zMin / camera.focalX,
3355 (bottom - origY) * camera.zMin / camera.focalY,
3356 (top - origY) * camera.zMin / camera.focalY,
3357 camera.zMin, camera.zMax);
3359 glDisable(GL_BLEND);
3361 // *** Z Inverted Identity Matrix ***
3362 glMatrixMode(GL_MODELVIEW);
3363 if(!display.display3D.camera)
3368 glScaled(1.0/nearPlane, 1.0/nearPlane, -1.0/nearPlane);
3370 // *** View Matrix ***
3371 glMultMatrixd(camera.viewMatrix.array);
3376 glEnable(GL_DEPTH_TEST);
3377 glEnable(GL_LIGHTING);
3378 glShadeModel(GL_SMOOTH);
3379 glDepthMask((byte)bool::true);
3380 oglDisplay.depthWrite = true;
3382 glEnable(GL_MULTISAMPLE_ARB);
3384 else if(display.display3D.camera)
3386 oglDisplay.depthWrite = false;
3387 glViewport(0,0,display.width,display.height);
3389 glDisable(GL_CULL_FACE);
3390 glDisable(GL_DEPTH_TEST);
3391 glDisable(GL_LIGHTING);
3393 glDisable(GL_TEXTURE_2D);
3394 glShadeModel(GL_FLAT);
3396 glDisable(GL_MULTISAMPLE_ARB);
3398 // *** Restore 2D MODELVIEW Matrix ***
3401 // *** Restore 2D PROJECTION Matrix ***
3402 glMatrixMode(GL_PROJECTION);
3406 GLBindBuffer(GL_ARRAY_BUFFER_ARB, 0);
3409 void ApplyMaterial(Display display, Material material, Mesh mesh)
3411 //Logf("ApplyMaterial\n");
3414 if(material.flags.doubleSided)
3416 glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, !material.flags.singleSideLight);
3417 glDisable(GL_CULL_FACE);
3421 glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, bool::false);
3422 glEnable(GL_CULL_FACE);
3426 if(material.flags.noFog)
3432 if(material.baseMap && mesh.texCoords)
3434 Bitmap map = material.baseMap;
3435 glEnable(GL_TEXTURE_2D);
3436 glBindTexture(GL_TEXTURE_2D, (uint)map.driverData);
3438 if(material.flags.tile)
3440 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
3441 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
3445 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
3446 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
3450 glDisable(GL_TEXTURE_2D);
3452 if(mesh.flags.colors)
3454 glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
3455 glEnable(GL_COLOR_MATERIAL);
3459 glDisable(GL_COLOR_MATERIAL);
3461 float color[4] = { material.diffuse.r, material.diffuse.g, material.diffuse.b, material.opacity };
3462 glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color);
3465 float color[4] = { material.ambient.r, material.ambient.g, material.ambient.b, 0 };
3466 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color);
3470 float color[4] = { material.specular.r, material.specular.g, material.specular.b, 0 };
3471 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color);
3474 float color[4] = { material.emissive.r, material.emissive.g, material.emissive.b, 0 };
3475 glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, color);
3478 glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, &material.power);
3481 void FreeMesh(DisplaySystem displaySystem, Mesh mesh)
3483 OGLMesh oglMesh = mesh.data;
3486 if(!mesh.flags.vertices)
3488 if(oglMesh.vertices)
3490 GLDeleteBuffers(1, &oglMesh.vertices);
3491 oglMesh.vertices = 0;
3493 delete mesh.vertices;
3495 if(!mesh.flags.normals)
3499 GLDeleteBuffers(1, &oglMesh.normals);
3500 oglMesh.normals = 0;
3502 delete mesh.normals;
3504 if(!mesh.flags.texCoords1)
3506 if(oglMesh.texCoords)
3508 GLDeleteBuffers(1, &oglMesh.texCoords);
3509 oglMesh.texCoords = 0;
3511 delete mesh.texCoords;
3513 if(!mesh.flags.texCoords2)
3515 if(oglMesh.texCoords2)
3517 GLDeleteBuffers(1, &oglMesh.texCoords2);
3518 oglMesh.texCoords2 = 0;
3521 delete mesh.texCoords2;
3524 if(!mesh.flags.colors)
3528 GLDeleteBuffers(1, &oglMesh.colors);
3540 bool AllocateMesh(DisplaySystem displaySystem, Mesh mesh)
3542 bool result = false;
3545 mesh.data = OGLMesh { };
3548 OGLMesh oglMesh = mesh.data;
3550 if(mesh.flags.vertices && !oglMesh.vertices && !mesh.vertices)
3552 mesh.vertices = mesh.flags.doubleVertices ? (Vector3Df *)new Vector3D[mesh.nVertices] : new Vector3Df[mesh.nVertices];
3553 GLGenBuffers(1, &oglMesh.vertices);
3555 if(mesh.flags.normals && !oglMesh.normals && !mesh.normals)
3557 GLGenBuffers( 1, &oglMesh.normals);
3558 mesh.normals = mesh.flags.doubleNormals ? (Vector3Df *)new Vector3D[mesh.nVertices] : new Vector3Df[mesh.nVertices];
3560 if(mesh.flags.texCoords1 && !oglMesh.texCoords && !mesh.texCoords)
3562 GLGenBuffers( 1, &oglMesh.texCoords);
3563 mesh.texCoords = new Pointf[mesh.nVertices];
3565 if(mesh.flags.colors && !oglMesh.colors && !mesh.colors)
3567 GLGenBuffers( 1, &oglMesh.colors);
3568 mesh.colors = new ColorRGBAf[mesh.nVertices];
3575 void UnlockMesh(DisplaySystem displaySystem, Mesh mesh, MeshFeatures flags)
3577 OGLMesh oglMesh = mesh.data;
3578 if(!flags) flags = mesh.flags;
3582 if(!(flags.vertices) || oglMesh.vertices)
3584 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.vertices);
3585 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 );
3588 if(!(flags.normals) || oglMesh.normals)
3590 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.normals);
3591 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 );
3594 if(!(flags.texCoords1) || oglMesh.texCoords)
3596 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.texCoords);
3597 GLBufferData( GL_FLOAT, GL_ARRAY_BUFFER_ARB, mesh.nVertices * sizeof(Pointf), mesh.texCoords, GL_STATIC_DRAW_ARB );
3600 if(!(flags.colors) || oglMesh.colors)
3602 GLBindBuffer( GL_ARRAY_BUFFER_ARB, oglMesh.colors);
3603 GLBufferData( GL_FLOAT, GL_ARRAY_BUFFER_ARB, mesh.nVertices * sizeof(ColorRGBAf), mesh.colors, GL_STATIC_DRAW_ARB );
3606 GLBindBuffer( GL_ARRAY_BUFFER_ARB, 0);
3610 bool LockMesh(DisplaySystem displaySystem, Mesh mesh, MeshFeatures flags)
3617 void FreeIndices(DisplaySystem displaySystem, OGLIndices oglIndices)
3621 if(oglIndices.buffer)
3622 GLDeleteBuffers(1, &oglIndices.buffer);
3623 delete oglIndices.indices;
3628 void * AllocateIndices(DisplaySystem displaySystem, int nIndices, bool indices32bit)
3630 OGLIndices oglIndices = OGLIndices { };
3633 oglIndices.indices = (void *)(indices32bit ? new uint32[nIndices] : new uint16[nIndices]);
3634 GLGenBuffers( 1, &oglIndices.buffer);
3635 oglIndices.nIndices = nIndices;
3640 void UnlockIndices(DisplaySystem displaySystem, OGLIndices oglIndices, bool indices32bit, int nIndices)
3644 GLBindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, oglIndices.buffer);
3645 GLBufferData( indices32bit ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, GL_ELEMENT_ARRAY_BUFFER_ARB, nIndices * (indices32bit ? sizeof(uint32) : sizeof(uint16)),
3646 oglIndices.indices, GL_STATIC_DRAW_ARB);
3647 GLBindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
3651 uint16 * LockIndices(DisplaySystem displaySystem, OGLIndices oglIndices)
3654 return oglIndices.indices;
3657 void SelectMesh(Display display, Mesh mesh)
3659 //Logf("SelectMesh\n");
3661 #if !defined( __ANDROID__) && !defined(__APPLE__)
3662 if(display.display3D.mesh && glUnlockArraysEXT)
3663 glUnlockArraysEXT();
3667 OGLDisplay oglDisplay = display.driverData;
3668 OGLMesh oglMesh = mesh.data;
3670 // *** Vertex Stream ***
3671 glEnableClientState(GL_VERTEX_ARRAY);
3672 if(!display.display3D.collectingHits && oglMesh)
3674 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.vertices );
3675 glVertexPointer(3, mesh.flags.doubleVertices ? GL_DOUBLE : GL_FLOAT, 0, vboAvailable ? null : mesh.vertices);
3677 // *** Normals Stream ***
3680 glEnableClientState(GL_NORMAL_ARRAY);
3681 GLBindBuffer(GL_ARRAY_BUFFER_ARB, oglMesh.normals);
3682 glNormalPointer(mesh.flags.doubleNormals ? GL_DOUBLE : GL_FLOAT, 0, vboAvailable ? null : mesh.normals);
3685 glDisableClientState(GL_NORMAL_ARRAY);
3687 // *** Texture Coordinates Stream ***
3690 glEnableClientState(GL_TEXTURE_COORD_ARRAY);
3691 GLBindBuffer( GL_ARRAY_BUFFER_ARB, oglMesh.texCoords);
3692 glTexCoordPointer(2, GL_FLOAT, 0, vboAvailable ? null : mesh.texCoords);
3695 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
3697 // *** Color Stream ***
3700 glEnableClientState(GL_COLOR_ARRAY);
3701 GLBindBuffer( GL_ARRAY_BUFFER_ARB, oglMesh.colors);
3702 glColorPointer(4, GL_FLOAT, 0, vboAvailable ? null : mesh.colors);
3705 glDisableClientState(GL_COLOR_ARRAY);
3710 GLBindBuffer( GL_ARRAY_BUFFER_ARB, 0);
3711 glVertexPointer(3,mesh.flags.doubleVertices ? GL_DOUBLE : GL_FLOAT,0,mesh.vertices);
3712 if(mesh.normals && !display.display3D.collectingHits)
3714 glEnableClientState(GL_NORMAL_ARRAY);
3715 glNormalPointer(mesh.flags.doubleNormals ? GL_DOUBLE : GL_FLOAT, 0, mesh.normals);
3718 glDisableClientState(GL_NORMAL_ARRAY);
3719 if(mesh.texCoords && !display.display3D.collectingHits)
3721 glEnableClientState(GL_TEXTURE_COORD_ARRAY);
3722 glTexCoordPointer(2, GL_FLOAT, 0, mesh.texCoords);
3725 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
3726 if(mesh.colors && !display.display3D.collectingHits)
3728 glEnableClientState(GL_COLOR_ARRAY);
3729 glColorPointer(4, GL_FLOAT, 0, mesh.colors);
3732 glDisableClientState(GL_COLOR_ARRAY);
3735 #if !defined(__ANDROID__) && !defined(__APPLE__)
3736 if(glLockArraysEXT) glLockArraysEXT(0, mesh.nVertices);
3740 GLBindBuffer(GL_ARRAY_BUFFER_ARB, 0);
3743 void DrawPrimitives(Display display, PrimitiveSingle * primitive, Mesh mesh)
3745 OGLDisplay oglDisplay = display.driverData;
3746 //Logf("DrawPrimitives\n");
3748 if(primitive->type.vertexRange)
3749 glDrawArrays(primitiveTypes[primitive->type.primitiveType], primitive->first, primitive->nVertices);
3752 // *** Hoping the data won't be uploaded at all (Won't really work if another group of the mesh is using the mesh ) ***
3753 // HACK TO SPEED THINGS UP...
3755 GLBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
3756 if(primitive->nIndices < (mesh.nVertices >> 2) && !primitive->type.indices32bit)
3759 glBegin(primitiveTypes[primitive->type.primitiveType]);
3762 OGLIndices oglIndices = primitive->data;
3763 MeshFeatures flags = mesh.flags;
3764 for(c = 0; c<primitive->nIndices; c++)
3766 short index = ((short *) oglIndices.indices)[c];
3767 if(flags.normals) glNormal3fv((float *)&mesh.normals[index]);
3768 if(flags.texCoords1) glTexCoord2fv((float *)&mesh.texCoords[index]);
3769 if(flags.colors) glColor4fv((float *)&mesh.colors[index]);
3770 glVertex3fv((float *)&mesh.vertices[index]);
3778 OGLIndices oglIndices = primitive->data;
3780 if(!display.display3D.collectingHits && vboAvailable && oglIndices)
3782 GLBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB, oglIndices.buffer);
3783 glDrawElements(primitiveTypes[primitive->type.primitiveType], primitive->nIndices,
3784 primitive->type.indices32bit ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, 0);
3785 GLBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
3788 glDrawElements(primitiveTypes[primitive->type.primitiveType], primitive->nIndices,
3789 primitive->type.indices32bit ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, oglIndices ? oglIndices.indices : primitive->indices);
3794 void PushMatrix(Display display)
3799 void PopMatrix(Display display, bool setMatrix)
3804 void SetTransform(Display display, Matrix transMatrix, bool viewSpace, bool useCamera)
3806 Matrix matrix = transMatrix;
3807 Camera camera = useCamera ? display.display3D.camera : null;
3812 glScaled(1.0/nearPlane, 1.0/nearPlane, -1.0/nearPlane);
3817 matrix.m[3][0] - camera.cPosition.x,
3818 matrix.m[3][1] - camera.cPosition.y,
3819 matrix.m[3][2] - camera.cPosition.z);
3831 glMultMatrixd(matrix.array);
3836 public void UseSingleGLContext(bool useSingle)
3838 useSingleGLContext = useSingle;