#if defined(__WIN32__) || defined(__unix__) || defined(__APPLE__) // #define DIAGNOSTICS #if defined(_DEBUG) && !defined(__ANDROID__) && !defined(__EMSCRIPTEN__) && !defined(__ODROID__) #define GL_DEBUGGING #endif import "Display" import "glab" import "immediate" import "matrixStack" import "shading" namespace gfx::drivers; #include "gl123es.h" // ********** GL PLATFORMS INCLUDES ********** // UNIX #if defined(__unix__) || defined(__APPLE__) // EGL #if defined(__ANDROID__) || defined(__ODROID__) import "egl" #if defined(__ANDROID__) #include #include #define printf(...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, "ecere-app", __VA_ARGS__)) #endif // Emscripten #elif defined(__EMSCRIPTEN__) #define property _property #define uint _uint #include #include #undef property #undef uint // GLX #elif !defined(__ANDROID__) && !defined(__ODROID__) && !defined(__EMSCRIPTEN__) #define pointer _pointer #define GL_GLEXT_PROTOTYPES #define property _property #define new _new #define class _class #define Window X11Window #define Cursor X11Cursor #define Font X11Font #define Display X11Display #define Time X11Time #define KeyCode X11KeyCode #define Picture X11Picture #define Glyph X11Glyph #define uint _uint #include #include #include #include #include #include #include #include #undef Window #undef Cursor #undef Font #undef Display #undef Time #undef KeyCode #undef Picture #undef Glyph #undef uint #undef new #undef property #undef class #undef pointer #if !defined(__APPLE__) default GLAPI void APIENTRY glLockArraysEXT (GLint first, GLsizei count); default GLAPI void APIENTRY glUnlockArraysEXT (void); #endif import "XInterface" // We were using PBUFFER for alpha compositing on Linux before, but it does not seem to work, nor be required anymore. // #define USEPBUFFER #endif // Apple #elif defined(__APPLE__) #include // WGL #elif defined(__WIN32__) //#define WIN32_LEAN_AND_MEAN #undef _WIN32_WINNT #define _WIN32_WINNT 0x0502 #define String Sting_ #include #undef String #include "wglDefs.h" #endif #if defined(__WIN32__) #elif !defined(__ANDROID__) && !defined(__APPLE__) && !defined(__ODROID__) && !defined(__EMSCRIPTEN__) default: private: #endif /* OpenGL Versions Features Quick Reference | OpenGL 1.1 | OpenGL 1.5 | GL ES 1.1 | OpenGL 2 | GL 3 (Compat) | GL 3 (Core) | GL ES 2 | WebGL 1 | GL ES 3 | WebGL 2 ======================================================================================================================================================================= glBegin() | X | X | - | X | X | - | - | - | - | - glLoadMatrix() | X | X | - | X | X | - | - | - | - | - glLineWidth() | X | X | - | X | X | - | - | - | - | - glPointSize() | X | X | - | X | X | - | - | - | - | - glLineStipple() | X | X | - | X | X | - | - | - | - | - glPolygonStipple() | X | X | - | X | X | - | - | - | - | - glColorMaterial() | X | X | - | X | X | - | - | - | - | - GL_QUADS | X | X | - | X | X | - | - | - | - | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- GL_INT / GL_DOUBLE | X | X | - | X | X | X | - | - | - | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- GL_SELECT | X | X | - | (Slow) | (Slow) | (Slow) | - | - | - | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- Non ² Textures | - | - | - | X | X | X | - | - | - | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- glVertexPointer() (PTR) | X | X | X | X | X | - | - | - | - | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- glVertexPointer() (VBO) | - | X | X | X | X | - | - | - | - | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- glBufferData() | - | X | X | X | X | X | X | X | X | X ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- glMapBuffer() | - | X | OES x | X | X | X | OES x | - | OES x | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- glBindFramebuffer() | - | - | OES x | - | X | X | X | X | X | X ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- glVertexAttribPointer() (PTR) | - | - | - | X | X | X | X | - | X | - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- glVertexAttribPointer() (VBO) | - | - | - | X | X | X | X | X | X | X ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- GLSL Version | - | - | - | 1.10 | 1.30 | 1.30 | 1.00 | 1.00 | 3.00 | 3.00 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- bool legacy :1; // | X | X | - | X | X | - | - | - | - | - bool shaders :1; // | - | - | - | X | X | X | X | X | X | X bool nonPow2Textures :1; // | - | - | - | X | X | X | - | - | - | - bool vertexBuffer :1; // | - | X | X | X | X | X | X | X | X | X bool frameBuffer :1; // | - | - | ~ | - | X | X | X | X | X | X // bool mapBuffer :1; // | - | X | ~ | X | X | X | ~ | - | ~ | - */ default: // Capabilities Global set to capabilities of Display being rendered to GLCapabilities glCaps; // Requiring Graphics Reload: bool glCaps_nonPow2Textures, glCaps_vertexBuffer, glCaps_quads, glCaps_intAndDouble, glCaps_legacyFormats, glCaps_compatible, glCaps_vertexPointer; // Might toggle without Reload: bool glCaps_core, glCaps_shaders, glCaps_fixedFunction, glCaps_immediate, glCaps_legacy, glCaps_pointSize, glCaps_frameBuffer, glCaps_vao, glCaps_select; // bool mapBuffer; private: // ********** Errors and Debugging ********** /* void CheckGLErrors() { int e, nCount = 0; while((e = glGetError()) && nCount++ < 10) printf("GL error %d!\n", e); } */ #ifdef GL_DEBUGGING #ifndef APIENTRY #define APIENTRY #endif static void APIENTRY openglCallbackFunction(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, const void* userParam) { if(severity == GL_DEBUG_SEVERITY_NOTIFICATION) return; PrintLn("---------------------opengl-callback-start------------"); PrintLn("message: ", message); PrintLn("type: "); switch (type) { case GL_DEBUG_TYPE_ERROR: PrintLn("ERROR"); break; case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR: PrintLn("DEPRECATED_BEHAVIOR"); break; case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR: PrintLn("UNDEFINED_BEHAVIOR"); break; case GL_DEBUG_TYPE_PORTABILITY: PrintLn("PORTABILITY"); break; case GL_DEBUG_TYPE_PERFORMANCE: PrintLn("PERFORMANCE"); break; case GL_DEBUG_TYPE_OTHER: PrintLn("OTHER"); break; } PrintLn("id: ", id); Print("severity: "); switch (severity) { case GL_DEBUG_SEVERITY_LOW: PrintLn("LOW"); break; case GL_DEBUG_SEVERITY_MEDIUM: PrintLn("MEDIUM"); break; case GL_DEBUG_SEVERITY_HIGH: PrintLn("HIGH"); break; default: PrintLn("(other)"); } PrintLn("---------------------opengl-callback-end--------------"); } static void setupDebugging() { if(glDebugMessageCallback) { GLuint unusedIds = 0; glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); glDebugMessageCallback(openglCallbackFunction, null); glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, &unusedIds, GL_TRUE); } } #endif static GLuint stippleTexture; static bool stippleEnabled; public void glsupLineStipple( int i, uint16 j ) { uint texture[1*16]; int x; for(x = 0; x < 16; x++) { bool v = (j & (1 << x)) != 0; texture[x] = v ? 0xFFFFFFFF : 0; } if(!stippleTexture) glGenTextures(1, &stippleTexture); glBindTexture(GL_TEXTURE_2D, stippleTexture); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture); // TOOD: Special shading code for stippling? GLSetupTexturing(true); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); GLMatrixMode(GL_TEXTURE); GLLoadIdentity(); //glTranslated(1.0/backAttrib->texW/2.0f, 1.0/backAttrib->texH/2.0f, 0.0f); GLScaled(i/16.0, 1, 1.0f); GLTranslated(0.5, 0.5, 0); GLMatrixMode(MatrixMode::projection); } // Exported to build _GLES version... public void glsupLightModeli( unsigned int pname, int param ) { #if ENABLE_GL_FFP if(pname == GL_LIGHT_MODEL_TWO_SIDE) glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, param); #endif } #ifdef _GLES void glFogi( unsigned int pname, int param ) { } void glPolygonMode( unsigned int i, unsigned int j ) { } void glBlendFuncSeparate(int a, int b, int c, int d) { glBlendFunc(a, b); } #endif #if defined(_GLES) || defined(_GLES2) void glClearDepth( double depth ) { glClearDepthf((float)depth); } #endif #if !ENABLE_GL_SELECT // *** Picking won't be supported for now *** void glPushName( unsigned int i ) { } void glLoadName( unsigned int i ) { } void glPopName() { } #endif #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA) static inline uint getPrimitiveType(RenderPrimitiveType type) { static int primitiveTypes[RenderPrimitiveType] = { GL_POINTS, GL_LINES, GL_TRIANGLES, GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GLIMTKMode::quads, GLIMTKMode::quadStrip, GL_LINE_STRIP }; // NOTE: This will only work for single quads return (type == quads && !glCaps_quads) ? GL_TRIANGLE_FAN : primitiveTypes[type]; } public void GLSetupTexturing(bool enable) { #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_texturing(enable); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) (enable ? glEnable : glDisable)(GL_TEXTURE_2D); #endif } public void GLSetupFog(bool enable) { #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_fog(enable); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) (enable ? glEnable : glDisable)(GL_FOG); #endif } bool lightingEnabled; public void GLSetupLighting(bool enable) { lightingEnabled = enable; #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_lighting(enable); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) (enable ? glEnable : glDisable)(GL_LIGHTING); #endif } #endif /*static */GLuint lastBlitTex; static int displayWidth, displayHeight; #define GL_CLAMP_TO_EDGE 0x812F static bool useSingleGLContext = false; class OGLDisplay : struct { GLCapabilities capabilities, originalCapabilities; bool compat; int version; ColorAlpha * flippingBuffer; int flipBufH, flipBufW; bool depthWrite; int x, y; uint vao; #if defined(__WIN32__) HDC hdc; HGLRC glrc; HBITMAP memBitmap; HDC memDC; byte * picture; uint stride; void * pBuffer; /* int imageBuffers[2]; byte * pboMemory1, * pboMemory2; */ #elif !defined(__ANDROID__) && !defined(__ODROID__) && !defined(__EMSCRIPTEN__) GLXContext glContext; Pixmap pixmap; XShmSegmentInfo shminfo; XImage * image; XShmSegmentInfo shminfoShape; XImage * shapeImage; byte * picture; uint stride; GLXPbuffer pBuffer; X11Picture windowPicture; X11Picture pixmapPicture; Pixmap shapePixmap; X11Picture shapePicture; #endif }; class OGLSystem : struct { int maxTextureSize; bool loadingFont; #if ENABLE_GL_SHADERS int shadingProgram; int vertexShader; int fragmentShader; #endif #if defined(__WIN32__) PIXELFORMATDESCRIPTOR pfd; int format; HDC hdc; HGLRC glrc; HWND hwnd; #elif defined(__EMSCRIPTEN__) EMSCRIPTEN_WEBGL_CONTEXT_HANDLE glc; #elif !defined(__ANDROID__) && !defined(__ODROID__) XVisualInfo * visualInfo; GLXContext glContext; GLXDrawable glxDrawable; #endif GLCapabilities capabilities; bool compat; int version; // Buffer Data uint16 *shortBDBuffer; uint shortBDSize; }; class OGLSurface : struct { Font font; bool opaqueText; int xOffset; bool writingText; bool writingOutline; float foreground[4], background[4], bitmapMult[4]; } OGLSurface; class OGLMesh : struct { GLAB vertices; GLAB normals; GLAB texCoords; GLAB texCoords2; GLAB colors; }; class OGLIndices : struct { uint16 * indices; GLEAB buffer; uint nIndices; }; int current; void * previous; #if defined(__WIN32__) static HGLRC winCreateContext(HDC hdc, int * contextVersion, bool * isCompatible, bool compatible) { HGLRC result = 0; if(wglCreateContextAttribsARB) { int versions[12][2] = { { 4, 5 }, { 4, 4 }, { 4, 3 }, { 4, 2 }, { 4, 1 }, { 4, 0 }, { 3, 3 }, { 3, 2 }, { 3, 1 }, { 3, 0 }, { 2, 1 }, { 2, 0 } }; bool tryingCompat = compatible; int v = 0; while(!result) { for(v = 0; !result && v < sizeof(versions) / sizeof(versions[0]); v++) { int v0 = versions[v][0], v1 = versions[v][1]; if(!tryingCompat || v0 >= 3) { bool coreNotion = v0 > 3 || (v0 == 3 && v1 >= 3); int attribs[] = { WGL_CONTEXT_MAJOR_VERSION_ARB, v0, WGL_CONTEXT_MINOR_VERSION_ARB, v1, #ifdef _DEBUG WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_DEBUG_BIT_ARB, #endif coreNotion ? WGL_CONTEXT_PROFILE_MASK_ARB : 0, coreNotion ? (tryingCompat ? WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB : WGL_CONTEXT_CORE_PROFILE_BIT_ARB) : 0, 0,0 }; result = wglCreateContextAttribsARB(hdc, null, attribs); if(result) { if(contextVersion) *contextVersion = v0; if(isCompatible) *isCompatible = tryingCompat || !coreNotion; } } } if(tryingCompat) tryingCompat = false; else break; } } if(!result) { if(contextVersion) *contextVersion = 1; if(isCompatible) *isCompatible = true; result = wglCreateContext(hdc); } return result; } #endif class OpenGLDisplayDriver : DisplayDriver { class_property(name) = "OpenGL"; bool LockSystem(DisplaySystem displaySystem) { #if defined(__EMSCRIPTEN__) OGLSystem oglSystem = displaySystem.driverData; emscripten_webgl_make_context_current(oglSystem.glc); #elif !defined(__ANDROID__) && !defined(__ODROID__) OGLSystem oglSystem = displaySystem.driverData; if(useSingleGLContext) return true; #if defined(__WIN32__) wglMakeCurrent(oglSystem.hdc, oglSystem.glrc); #elif defined(__unix__) || defined(__APPLE__) //if(previous) return true; // printf("Making SYSTEM current\n"); glXMakeCurrent(xGlobalDisplay, (GLXDrawable)oglSystem.glxDrawable, oglSystem.glContext); //previous = oglSystem.glContext; #endif #endif GLABBindBuffer(GL_ARRAY_BUFFER, 0); GLABBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); return true; } void UnlockSystem(DisplaySystem displaySystem) { if(useSingleGLContext) return; #if defined(__WIN32__) wglMakeCurrent(null, null); #elif defined(__unix__) || defined(__APPLE__) // printf("Making NULL current\n"); #if defined(__ANDROID__) || defined(__ODROID__) || defined(__EMSCRIPTEN__) #else glXMakeCurrent(xGlobalDisplay, None, null); #endif // previous = null; #endif } bool Lock(Display display) { #if !defined(__ANDROID__) && !defined(__ODROID__) && !defined(__EMSCRIPTEN__) OGLDisplay oglDisplay = display.driverData; if(useSingleGLContext) return true; #if defined(__WIN32__) wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc); #elif defined(__unix__) || defined(__APPLE__) // if(previous) glXMakeCurrent(xGlobalDisplay, None, null); // printf(" Making DISPLAY current\n"); glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext); #endif #endif GLABBindBuffer(GL_ARRAY_BUFFER, 0); GLABBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); return true; } void Unlock(Display display) { if(useSingleGLContext) return; //printf(" Making NULL current\n"); //glXMakeCurrent(xGlobalDisplay, None, null); // if(previous) LockSystem(display.displaySystem); } void DestroyDisplay(Display display) { OGLDisplay oglDisplay = display.driverData; if(oglDisplay) { #if defined(__WIN32__) wglMakeCurrent( null, null ); if(oglDisplay.glrc) wglDeleteContext(oglDisplay.glrc); if(oglDisplay.hdc && oglDisplay.pBuffer) wglReleasePbufferDCARB(oglDisplay.pBuffer, oglDisplay.hdc); if(oglDisplay.pBuffer) wglDestroyPbufferARB(oglDisplay.pBuffer); if(oglDisplay.hdc) ReleaseDC(display.window, oglDisplay.hdc); if(oglDisplay.memDC) DeleteDC(oglDisplay.memDC); if(oglDisplay.memBitmap) DeleteObject(oglDisplay.memBitmap); #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) || defined(__EMSCRIPTEN__) #else if(oglDisplay.shapePixmap) XFreePixmap(xGlobalDisplay, oglDisplay.shapePixmap); if(oglDisplay.pixmap) XFreePixmap(xGlobalDisplay, oglDisplay.pixmap); if(oglDisplay.image) { if(oglDisplay.shminfoShape.shmid != -1) { XShmDetach(xGlobalDisplay, &oglDisplay.shminfo); if(oglDisplay.shminfo.shmaddr != (void *)-1) shmdt(oglDisplay.shminfo.shmaddr); shmctl(oglDisplay.shminfo.shmid, IPC_RMID, 0); } } if(oglDisplay.shapeImage) { if(oglDisplay.shminfoShape.shmid != -1) { XShmDetach(xGlobalDisplay, &oglDisplay.shminfoShape); if(oglDisplay.shminfoShape.shmaddr != (void *)-1) shmdt(oglDisplay.shminfoShape.shmaddr); shmctl(oglDisplay.shminfoShape.shmid, IPC_RMID, 0); } XDestroyImage(oglDisplay.shapeImage); oglDisplay.shapeImage = None; } glXMakeCurrent(xGlobalDisplay, None, null); if(oglDisplay.glContext) glXDestroyContext(xGlobalDisplay, oglDisplay.glContext); #endif #endif delete oglDisplay.flippingBuffer; delete oglDisplay; display.driverData = null; } } #if !defined(__EMSCRIPTEN__) void ::CheckCapabilities(OGLSystem oglSystem, OGLDisplay oglDisplay, bool canCheckExtensions) { GLCapabilities capabilities; #if !defined(_GLES2) const char * extensions = (canCheckExtensions && (!oglDisplay || oglDisplay.compat)) ? (const char *)glGetString(GL_EXTENSIONS) : null; #endif #ifdef DIAGNOSTICS printf("extensions: %s\n", extensions); #endif glGetIntegerv(GL_MAX_TEXTURE_SIZE, &oglSystem.maxTextureSize); #if defined(_GLES) capabilities = { fixedFunction = true, vertexPointer = true, vertexBuffer = true, pointSize = true, legacyFormats = true, frameBuffer = extensions && strstr(extensions, "GL_OES_framebuffer_object") }; #elif defined(_GLES2) capabilities = { glCaps_shaders = true, vertexBuffer = true, pointSize = true, frameBuffer = true, legacyFormats = true }; #else capabilities = { nonPow2Textures = glGetStringi || (extensions && (strstr(extensions, "GL_ARB_texture_non_power_of_two"))); intAndDouble = true; #ifdef GL_DEBUGGING debug = true; #endif compatible = oglDisplay.compat; pointSize = oglDisplay.compat; #if ENABLE_GL_LEGACY legacy = glBegin != null && oglDisplay.compat; legacyFormats = glBegin != null && oglDisplay.compat; immediate = glBegin != null && oglDisplay.compat; fixedFunction = glBegin != null && oglDisplay.compat; quads = glBegin != null && oglDisplay.compat; select = glSelectBuffer != null && oglDisplay.compat; #endif #if ENABLE_GL_SHADERS shaders = glCreateProgram != null; #endif #if ENABLE_GL_POINTER vertexPointer = oglDisplay.compat; #endif #if ENABLE_GL_VAO vao = glBindVertexArray != null && !oglDisplay.compat; #endif #if ENABLE_GL_FBO shaders = glBindFramebuffer != null; #endif vertexBuffer = glBindBuffer != null; // mapBuffer = glMapBuffer != null; }; #endif #ifdef DIAGNOSTICS PrintLn("max texture size: ", oglSystem.maxTextureSize); #endif if(oglDisplay) oglDisplay.capabilities = capabilities; if(oglSystem) oglSystem.capabilities = capabilities; } #endif bool CreateDisplaySystem(DisplaySystem displaySystem) { bool result = false; OGLSystem oglSystem = displaySystem.driverData = OGLSystem { }; #ifdef _GLES oglSystem.capabilities = { fixedFunction = true, vertexBuffer = true, frameBuffer = true, pointSize = true }; #elif defined(_GLES2) oglSystem.capabilities = { shaders = true, vertexBuffer = true, frameBuffer = true, pointSize = true }; #else oglSystem.capabilities = { compatible = glCaps_compatible, shaders = true, fixedFunction = true, immediate = true, legacy = true, pointSize = true, quads = true, intAndDouble = true, vertexBuffer = true, frameBuffer = true, vao = true, nonPow2Textures = true }; #endif #ifdef DIAGNOSTICS PrintLn("OpenGL driver's CreateDisplaySystem()"); #endif #ifdef __WIN32__ oglSystem.hwnd = CreateWindow("static", null, 0,0,0,0,0,null,null,null,null); oglSystem.hdc = GetDC(oglSystem.hwnd); if(oglSystem.hdc) { oglSystem.pfd.nSize = (short)sizeof(oglSystem.pfd); oglSystem.pfd.nVersion = 1; oglSystem.pfd.dwFlags = PFD_DRAW_TO_WINDOW /*PFD_DRAW_TO_BITMAP*/ | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; oglSystem.pfd.iPixelType = PFD_TYPE_RGBA; oglSystem.pfd.cColorBits = 24; oglSystem.pfd.cAlphaBits = 8; oglSystem.pfd.cDepthBits = 24; oglSystem.pfd.iLayerType = PFD_MAIN_PLANE; oglSystem.format = ChoosePixelFormat(oglSystem.hdc, &oglSystem.pfd); DescribePixelFormat(oglSystem.hdc, oglSystem.format, sizeof(oglSystem.pfd), &oglSystem.pfd); if(oglSystem.pfd.cColorBits > 8) { SetPixelFormat(oglSystem.hdc, oglSystem.format, &oglSystem.pfd); oglSystem.glrc = wglCreateContext(oglSystem.hdc); if(oglSystem.glrc) { wglMakeCurrent(oglSystem.hdc, oglSystem.glrc); wglChoosePixelFormatARB = (void *) wglGetProcAddress("wglChoosePixelFormatARB"); wglGetExtensionsStringARB = (void *)wglGetProcAddress("wglGetExtensionsStringARB"); wglCreatePbufferARB = (void *)wglGetProcAddress("wglCreatePbufferARB"); wglGetPbufferDCARB = (void *)wglGetProcAddress("wglGetPbufferDCARB"); wglQueryPbufferARB = (void *)wglGetProcAddress("wglQueryPbufferARB"); wglDestroyPbufferARB = (void *)wglGetProcAddress("wglDestroyPbufferARB"); wglReleasePbufferDCARB = (void *)wglGetProcAddress("wglReleasePbufferDCARB"); wglBindTexImageARB = (void *)wglGetProcAddress("wglBindTexImageARB"); wglReleaseTexImageARB = (void *)wglGetProcAddress("wglReleaseTexImageARB"); wglSwapIntervalEXT = (void *)wglGetProcAddress("wglSwapIntervalEXT"); wglCreateContextAttribsARB = (void *)wglGetProcAddress("wglCreateContextAttribsARB"); glLockArraysEXT = (void *) wglGetProcAddress("glLockArraysEXT" ); glUnlockArraysEXT = (void *) wglGetProcAddress("glUnlockArraysEXT"); // eSystem_LoggingMode(LOG_MSGBOX, null); if(wglChoosePixelFormatARB) { int pixelFormat; int valid; int numFormats; float fAttributes[] = {0,0}; int iAttributes[] = { WGL_DRAW_TO_WINDOW_ARB,GL_TRUE, WGL_SUPPORT_OPENGL_ARB,GL_TRUE, WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB, WGL_COLOR_BITS_ARB,24, WGL_ALPHA_BITS_ARB,8, WGL_DEPTH_BITS_ARB,16, WGL_STENCIL_BITS_ARB,0, WGL_DOUBLE_BUFFER_ARB,GL_TRUE, WGL_SAMPLE_BUFFERS_ARB,GL_TRUE, WGL_SAMPLES_ARB, 4, // Check For 4x Multisampling 0,0 }; //Log("Found wglChoosePixelFormatARB\n"); valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); if(!valid || !numFormats) { //Log("Can't find 4x multi sampling\n"); iAttributes[19] = 2; valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); if(!valid || !numFormats) { // Log("Can't find 2x multi sampling\n"); iAttributes[16] = 0; iAttributes[17] = 0; valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); } } if(valid && numFormats) { oglSystem.format = pixelFormat; wglMakeCurrent(null, null); wglDeleteContext(oglSystem.glrc); // *** DescribePixelFormat does not support WGL pixel formats! *** //DescribePixelFormat(oglSystem.hdc, oglSystem.format, sizeof(oglSystem.pfd), &oglSystem.pfd); SetPixelFormat(oglSystem.hdc, oglSystem.format, &oglSystem.pfd); //Log("Successfully set pixel format\n"); #ifdef DIAGNOSTICS PrintLn("winCreateContext()"); #endif oglSystem.glrc = winCreateContext(oglSystem.hdc, &oglSystem.version, &oglSystem.compat, displaySystem.glCapabilities.compatible); #ifdef DIAGNOSTICS PrintLn("wglMakeCurrent()"); #endif if(oglSystem.glrc) wglMakeCurrent(oglSystem.hdc, oglSystem.glrc); } } /*else eSystem_Logf("Can't find wglChoosePixelFormatARB\n");*/ result = true; wglMakeCurrent(null, null); //eSystem_DumpErrors(true); } } } #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) #if defined(__ANDROID__) egl_init_display(guiApp.desktop.windowHandle); #elif defined(__ODROID__) egl_init_display((uint)displaySystem.window); #endif CheckCapabilities(oglSystem, null, true); // TODO: Clean this up? Needed here? GLEnableClientState(VERTICES); /* // Initialize GL state. glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); glEnable(GL_CULL_FACE); glShadeModel(GL_SMOOTH); glDisable(GL_DEPTH_TEST); */ glDisable(GL_CULL_FACE); glDisable(GL_DEPTH_TEST); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_BLEND); matrixStack[0][0].Identity(); matrixStack[1][0].Identity(); matrixStack[2][0].Identity(); GLMatrixMode(GL_MODELVIEW); GLScaled(1.0, 1.0, -1.0); GLMatrixMode(GL_PROJECTION); glShadeModel(GL_FLAT); #if !defined(_GLES) if(!glCaps_shaders) ;//GLLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR); #endif glFogi(GL_FOG_MODE, GL_EXP); glFogf(GL_FOG_DENSITY, 0); glEnable(GL_NORMALIZE); glDepthFunc(GL_LESS); glClearDepth(1.0); glDisable(GL_MULTISAMPLE); glViewport(0,0,eglWidth,eglHeight); GLLoadIdentity(); GLOrtho(0,eglWidth,eglHeight,0,0.0,1.0); glabCurArrayBuffer = 0; glabCurElementBuffer = 0; result = true; #elif defined(__EMSCRIPTEN__) { EmscriptenWebGLContextAttributes attribs = { 0 }; attribs.depth = 1; attribs.antialias = 1; /* EM_BOOL alpha; EM_BOOL depth; EM_BOOL stencil; EM_BOOL antialias; EM_BOOL premultipliedAlpha; EM_BOOL preserveDrawingBuffer; EM_BOOL preferLowPowerToHighPerformance; EM_BOOL failIfMajorPerformanceCaveat; int majorVersion; int minorVersion; EM_BOOL enableExtensionsByDefault; */ emscripten_webgl_init_context_attributes(&attribs); oglSystem.maxTextureSize = 16384; oglSystem.glc = emscripten_webgl_create_context("canvas", &attribs); if(emscripten_webgl_make_context_current(oglSystem.glc) == EMSCRIPTEN_RESULT_SUCCESS) result = true; /*glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_BLEND);*/ } #else { X11Window root = RootWindow( xGlobalDisplay, DefaultScreen( xGlobalDisplay ) ); XSetWindowAttributes attr; unsigned long mask; int attrList[] = { #ifndef ECERE_MINIGLX GLX_USE_GL, GLX_DEPTH_SIZE, 1, #endif GLX_RGBA, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1, GLX_DOUBLEBUFFER, None }; oglSystem.visualInfo = glXChooseVisual( xGlobalDisplay, DefaultScreen( xGlobalDisplay ), attrList ); attr.background_pixel = 0; attr.border_pixel = 0; attr.colormap = XCreateColormap( xGlobalDisplay, root, oglSystem.visualInfo->visual, AllocNone); attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; oglSystem.glxDrawable = XCreateWindow( xGlobalDisplay, root, 0, 0, 1, 1, 0, oglSystem.visualInfo->depth, InputOutput, oglSystem.visualInfo->visual, mask, &attr ); } if(oglSystem.visualInfo) { oglSystem.glContext = glXCreateContext(xGlobalDisplay, oglSystem.visualInfo, null, True); if(oglSystem.glContext) { glXMakeCurrent(xGlobalDisplay, oglSystem.glxDrawable, oglSystem.glContext); glXMakeCurrent(xGlobalDisplay, None, null); result = true; } } #endif #endif displaySystem.flags.alpha = true; displaySystem.flags.flipping = true; displaySystem.pixelFormat = pixelFormat888; return result; } void DestroyDisplaySystem(DisplaySystem displaySystem) { OGLSystem oglSystem = displaySystem.driverData; if(stippleTexture) { glDeleteTextures(1, &stippleTexture); stippleTexture = 0; } #if ENABLE_GL_SHADERS if(oglSystem.shadingProgram) glDeleteProgram(oglSystem.shadingProgram); if(oglSystem.fragmentShader) glDeleteShader(oglSystem.fragmentShader); if(oglSystem.vertexShader) glDeleteShader(oglSystem.vertexShader); #endif delete oglSystem.shortBDBuffer; glimtkTerminate(); #if defined(__WIN32__) wglMakeCurrent( null, null ); if(oglSystem.glrc) wglDeleteContext(oglSystem.glrc); if(oglSystem.hdc) ReleaseDC(oglSystem.hwnd, oglSystem.hdc); DestroyWindow(oglSystem.hwnd); #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) egl_term_display(); #elif defined(__EMSCRIPTEN__) emscripten_webgl_destroy_context(oglSystem.glc); #else if(oglSystem.visualInfo) { #ifdef ECERE_MINIGLX __miniglx_XFree(oglSystem.visualInfo); #else XFree(oglSystem.visualInfo); #endif } if(oglSystem.glxDrawable) { XDestroyWindow(xGlobalDisplay, oglSystem.glxDrawable); oglSystem.glxDrawable = 0; } #endif #endif delete oglSystem; } /*static */bool ::initialDisplaySetup(Display display, bool canCheckExtensions, bool loadExtensions) { OGLDisplay oglDisplay = display.driverData; OGLSystem oglSystem = display.displaySystem.driverData; bool result = true; #if !defined(__ANDROID__) && !defined(__EMSCRIPTEN__) && !defined(__ODROID__) if(loadExtensions && ogl_LoadFunctions() == ogl_LOAD_FAILED) PrintLn("ogl_LoadFunctions() failed!"); CheckCapabilities(oglSystem, oglDisplay, canCheckExtensions); #ifdef GL_DEBUGGING if(oglDisplay.capabilities.debug) setupDebugging(); #else oglDisplay.capabilities.debug = false; #endif #endif { GLCapabilities capabilities = *&display.glCapabilities; // PrintLn("Available OpenGL Capabilities: ", oglDisplay.capabilities); // PrintLn("Desired OpenGL Capabilities: ", capabilities); oglDisplay.originalCapabilities = oglDisplay.capabilities; // Re-enable glCaps_shaders if no fixed function support if(!oglDisplay.capabilities.fixedFunction) capabilities.shaders = true; // Re-enable fixed function if no glCaps_shaders support if(!oglDisplay.capabilities.shaders) { capabilities.fixedFunction = true; capabilities.shaders = false; } if(!capabilities.shaders && !capabilities.fixedFunction) { capabilities.fixedFunction = oglDisplay.capabilities.fixedFunction; capabilities.shaders = oglDisplay.capabilities.shaders; } // Disable things that don't work with glCaps_shaders if(capabilities.shaders) { capabilities.fixedFunction = false; capabilities.legacy = false; capabilities.immediate = false; } #if !ENABLE_GL_POINTER // Re-enable vertex buffer if no pointer support capabilities.vertexBuffer = true; #endif oglDisplay.capabilities &= capabilities; // PrintLn("Selected OpenGL Capabilities: ", oglDisplay.capabilities); oglSystem.capabilities = oglDisplay.capabilities; } #if ENABLE_GL_VAO if(oglDisplay.capabilities.vao) { glGenVertexArrays(1, &oglDisplay.vao); glBindVertexArray(oglDisplay.vao); } #endif oglSystem.capabilities = oglDisplay.capabilities; SETCAPS(oglDisplay.capabilities); #if ENABLE_GL_SHADERS if(glCaps_shaders) { #if ENABLE_GL_LEGACY if(oglDisplay.compat) { glDisableClientState(GL_VERTEX_ARRAY); glDisableClientState(GL_NORMAL_ARRAY); glDisableClientState(GL_TEXTURE_COORD_ARRAY); glDisableClientState(GL_COLOR_ARRAY); } #endif loadShaders(display.displaySystem, "<:ecere>shaders/fixed.vertex", "<:ecere>shaders/fixed.frag"); } #if ENABLE_GL_LEGACY else { glDisableVertexAttribArray(GLBufferContents::color); glDisableVertexAttribArray(GLBufferContents::normal); glDisableVertexAttribArray(GLBufferContents::texCoord); glDisableVertexAttribArray(GLBufferContents::vertex); glBindVertexArray(0); glUseProgram(0); } #endif #endif #if ENABLE_GL_VAO if(glCaps_vao) glBindVertexArray(oglDisplay.vao); #endif GLEnableClientState(VERTICES); GLABBindBuffer(GL_ARRAY_BUFFER, 0); GLABBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); #if defined(__WIN32__) if(glBlendFuncSeparate) glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); else glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); #else glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); #endif glEnable(GL_BLEND); GLMatrixMode(MatrixMode::texture); GLLoadIdentity(); GLMatrixMode(MatrixMode::modelView); GLLoadIdentity(); // For setting up GLES stack GLScaled(1.0, 1.0, -1.0); // glTranslatef(0.375f, 0.375f, 0.0f); // glTranslatef(-0.625f, -0.625f, 0.0f); GLMatrixMode(MatrixMode::projection); GLLoadIdentity(); if(display.width && display.height) GLOrtho(0,display.width,display.height,0,0.0,1.0); #if ENABLE_GL_FFP if(!glCaps_shaders) { glShadeModel(GL_FLAT); /* #define GL_LIGHT_MODEL_LOCAL_VIEWER 0x0B51 GLLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE); */ #if !defined(_GLES) ;//GLLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR); #endif glFogi(GL_FOG_MODE, GL_EXP); glFogf(GL_FOG_DENSITY, 0); glEnable(GL_NORMALIZE); } #endif glDepthFunc(GL_LESS); glClearDepth(1.0); #if !defined(__EMSCRIPTEN__) glDisable(GL_MULTISAMPLE); #endif #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA) display.ambient = Color { 50,50,50 }; #endif return result; } bool CreateDisplay(Display display) { bool result = false; OGLDisplay oglDisplay = display.driverData; OGLSystem oglSystem = display.displaySystem.driverData; if(!oglDisplay) oglDisplay = display.driverData = OGLDisplay { }; oglDisplay.capabilities = oglSystem.capabilities; #if defined(__WIN32__) || defined(USEPBUFFER) if(!display.alphaBlend) #endif { #if defined(__WIN32__) oglDisplay.hdc = GetDC(display.window); SetPixelFormat(oglDisplay.hdc, oglSystem.format, &oglSystem.pfd); if((oglDisplay.glrc = winCreateContext(oglDisplay.hdc, &oglDisplay.version, &oglDisplay.compat, (*&display.glCapabilities).compatible))) { wglShareLists(oglSystem.glrc, oglDisplay.glrc); wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc); result = true; } else ReleaseDC(display.window, oglDisplay.hdc); #elif defined(__unix__) || defined(__APPLE__) # if defined(__ANDROID__) || defined(__EMSCRIPTEN__) || defined(__ODROID__) result = true; # else XVisualInfo * visualInfo = ((XWindowData)display.windowDriverData).visual; /* #if defined(__APPLE__) XVisualInfo template = { 0 }; XWindowAttributes winAttr; int n; XGetWindowAttributes(xGlobalDisplay, (X11Window)display.window, &winAttr); template.visualid = XVisualIDFromVisual(winAttr.visual); visualInfo = XGetVisualInfo(xGlobalDisplay, VisualIDMask, &template, &n); #ifdef _DEBUG printf("XGetVisualInfo visual ID = %d\n", template.visualid); printf("visualInfo visual ID = %d\n", visualInfo->visualid); printf("oglSystem.visualInfo visual ID = %d\n", oglSystem.visualInfo->visualid); printf("((XWindowData)display.windowDriverData).visual visual ID = %d\n", ((XWindowData)display.windowDriverData).visual->visualid); #endif // visualInfo = oglSystem.visualInfo; //#endif */ #if !defined(__APPLE__) oglDisplay.compat = true; oglDisplay.version = 4; #endif if(visualInfo) { //printf("visualInfo is not null\n"); // printf("Creating Display Context, sharing with %x!\n", oglSystem.glContext); oglDisplay.glContext = glXCreateContext(xGlobalDisplay, visualInfo, oglSystem.glContext, True); //XFree(visualInfo); } // oglDisplay.glContext = glXCreateContext(xGlobalDisplay, oglSystem.visualInfo, oglSystem.glContext, True); if(oglDisplay.glContext) { //printf("CreateDisplay Got a Context\n"); glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext); result = true; } # endif #endif } #if defined(__WIN32__) || defined(USEPBUFFER) else { oglDisplay.compat = (*&display.glCapabilities).compatible; result = true; wglMakeCurrent(oglSystem.hdc, oglSystem.glrc); } #endif if(result) { #if defined(__EMSCRIPTEN__) emscripten_webgl_make_context_current(oglSystem.glc); #endif #if defined(__WIN32__) || defined(USEPBUFFER) initialDisplaySetup(display, !display.alphaBlend, true); #else initialDisplaySetup(display, true, true); #endif } if(!useSingleGLContext) { #if defined(__WIN32__) wglMakeCurrent(null, null); #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) || defined(__EMSCRIPTEN__) result = true; #else glXMakeCurrent(xGlobalDisplay, None, null); #endif #endif } else { #if defined(__ANDROID__) || defined(__EMSCRIPTEN__) || defined(__ODROID__) result = true; #endif } return result; } bool DisplaySize(Display display, int width, int height) { OGLDisplay oglDisplay = display.driverData; bool result = false; #if defined(__WIN32__) || defined(USEPBUFFER) OGLSystem oglSystem = display.displaySystem.driverData; if(display.alphaBlend) { #if defined(__WIN32__) const int attributes[]= { /*WGL_TEXTURE_FORMAT_ARB, WGL_TEXTURE_RGBA_ARB, WGL_TEXTURE_TARGET_ARB, WGL_TEXTURE_2D_ARB, */0 }; int pixelFormat = 0; if(wglChoosePixelFormatARB) { int valid; int numFormats; float fAttributes[] = {0,0}; int iAttributes[] = { //WGL_DRAW_TO_BITMAP_ARB, GL_TRUE, WGL_DRAW_TO_PBUFFER_ARB,GL_TRUE, WGL_SUPPORT_OPENGL_ARB,GL_TRUE, WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB, WGL_COLOR_BITS_ARB,24, WGL_ALPHA_BITS_ARB,8, WGL_DEPTH_BITS_ARB,16, WGL_STENCIL_BITS_ARB,0, WGL_DOUBLE_BUFFER_ARB,GL_FALSE, WGL_SAMPLE_BUFFERS_ARB,GL_TRUE, WGL_SAMPLES_ARB, 4, // Check For 4x Multisampling 0,0 }; //Log("Found wglChoosePixelFormatARB\n"); valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); if(!valid || !numFormats) { //Log("Can't find 4x multi sampling\n"); iAttributes[19] = 2; valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); if(!valid || !numFormats) { // Log("Can't find 2x multi sampling\n"); iAttributes[16] = 0; iAttributes[17] = 0; valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); if(!valid || !numFormats) { int iAttributes[] = { WGL_DRAW_TO_PBUFFER_ARB,GL_TRUE, //WGL_DRAW_TO_BITMAP_ARB,GL_TRUE, WGL_SUPPORT_OPENGL_ARB,GL_TRUE, WGL_COLOR_BITS_ARB,24, WGL_ALPHA_BITS_ARB,8, WGL_DEPTH_BITS_ARB,16, 0,0 }; valid = wglChoosePixelFormatARB(oglSystem.hdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); } } } if(valid && numFormats) { wglMakeCurrent(null, null); } } wglMakeCurrent( null, null ); wglMakeCurrent( oglDisplay.hdc, oglDisplay.glrc ); if(oglDisplay.hdc && oglDisplay.pBuffer) wglReleasePbufferDCARB(oglDisplay.pBuffer, oglDisplay.hdc); wglDestroyPbufferARB(oglDisplay.pBuffer); if(!useSingleGLContext) wglMakeCurrent( null, null ); if(oglDisplay.glrc) wglDeleteContext(oglDisplay.glrc); oglDisplay.pBuffer = wglCreatePbufferARB(oglSystem.hdc, pixelFormat, width, height, attributes); oglDisplay.hdc = wglGetPbufferDCARB(oglDisplay.pBuffer); if((oglDisplay.glrc = winCreateContext(oglDisplay.hdc, null, null, oglDisplay.capabilities.compatible))) { BITMAPINFO * info; HDC hdc = GetDC(display.window); wglShareLists(oglSystem.glrc, oglDisplay.glrc); wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc); //wglQueryPbufferARB(pBuffer, WGL_PBUFFER_WIDTH_ARB, &width); //wglQueryPbufferARB(pBuffer, WGL_PBUFFER_HEIGHT_ARB, &height); // glDeleteBuffersARB(2, oglDisplay.imageBuffers); if((info = (BITMAPINFO *)new0 byte[sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256])) { HBITMAP newBitmap; if(oglDisplay.memDC) DeleteDC(oglDisplay.memDC); oglDisplay.memDC = CreateCompatibleDC(hdc); SetMapMode(oglDisplay.memDC, MM_TEXT); info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); info->bmiHeader.biPlanes = 1; info->bmiHeader.biCompression = BI_RGB; info->bmiHeader.biBitCount = 32; //(uint16)GetDeviceCaps(hdc, BITSPIXEL); info->bmiHeader.biWidth = width; info->bmiHeader.biHeight = height; newBitmap = CreateDIBSection(hdc, info, DIB_RGB_COLORS, &oglDisplay.picture, null, 0); if(newBitmap) { SelectObject(oglDisplay.memDC, newBitmap); if(oglDisplay.memBitmap) DeleteObject(oglDisplay.memBitmap); /* { PIXELFORMATDESCRIPTOR pfd = { 0 }; pfd.nSize = (short)sizeof(pfd); pfd.nVersion = 1; pfd.dwFlags = PFD_DRAW_TO_BITMAP | PFD_SUPPORT_OPENGL; pfd.iPixelType = PFD_TYPE_RGBA; pfd.cColorBits = 32; //pfd.cAlphaBits = 8; pfd.cDepthBits = 24; pfd.iLayerType = PFD_MAIN_PLANE; oglDisplay.hdc = oglDisplay.memDC; pixelFormat = ChoosePixelFormat(oglSystem.hdc, &pfd); DescribePixelFormat(oglDisplay.hdc, pixelFormat, sizeof(pfd), &pfd); SetPixelFormat(oglDisplay.hdc, pixelFormat, &pfd); oglDisplay.glrc = wglCreateContext(oglDisplay.hdc); wglShareLists(oglSystem.glrc, oglDisplay.glrc); wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc); } */ /* { const int imageSize = width * height * 4; glGenBuffersARB(2, oglDisplay.imageBuffers); glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]); glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, imageSize, null, GL_STREAM_READ); // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]); // glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, imageSize / 2, null, GL_STREAM_READ); } */ oglDisplay.memBitmap = newBitmap; oglDisplay.stride = width; result = true; } delete info; } ReleaseDC(display.window, hdc); } #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) || defined(__EMSCRIPTEN__) result = true; #else int attrib[] = { GLX_DOUBLEBUFFER, True, GLX_DEPTH_SIZE, 1, GLX_RED_SIZE, 8, GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, GLX_ALPHA_SIZE, 8, GLX_STENCIL_SIZE, 1, //GLX_DEPTH_SIZE, 24, GLX_RENDER_TYPE, GLX_RGBA_BIT, GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT | GLX_WINDOW_BIT, None }; int PBattrib[] = { GLX_PBUFFER_WIDTH, width, GLX_PBUFFER_HEIGHT, height, GLX_LARGEST_PBUFFER, False, None }; // choose a pixel format that meets our minimum requirements int count = 0; GLXFBConfig *config = glXChooseFBConfig(xGlobalDisplay, DefaultScreen(xGlobalDisplay), attrib, &count); if(config) { if(oglDisplay.pixmap) { XFreePixmap(xGlobalDisplay, oglDisplay.pixmap); oglDisplay.pixmap = None; } if(oglDisplay.shapePixmap) { XFreePixmap(xGlobalDisplay, oglDisplay.shapePixmap); oglDisplay.shapePixmap = None; } // Free Shared Memory Pixmap if(oglDisplay.image) { if(oglDisplay.shminfoShape.shmid != -1) { XShmDetach(xGlobalDisplay, &oglDisplay.shminfo); if(oglDisplay.shminfo.shmaddr != (void *)-1) shmdt(oglDisplay.shminfo.shmaddr); shmctl(oglDisplay.shminfo.shmid, IPC_RMID, 0); } XDestroyImage(oglDisplay.image); oglDisplay.image = None; } if(oglDisplay.shapeImage) { if(oglDisplay.shminfoShape.shmid != -1) { XShmDetach(xGlobalDisplay, &oglDisplay.shminfoShape); if(oglDisplay.shminfoShape.shmaddr != (void *)-1) shmdt(oglDisplay.shminfoShape.shmaddr); shmctl(oglDisplay.shminfoShape.shmid, IPC_RMID, 0); } XDestroyImage(oglDisplay.shapeImage); oglDisplay.shapeImage = None; } if(oglDisplay.windowPicture) XRenderFreePicture(xGlobalDisplay, oglDisplay.windowPicture); if(oglDisplay.pixmapPicture) XRenderFreePicture(xGlobalDisplay, oglDisplay.pixmapPicture); if(oglDisplay.pixmap) XFreePixmap(xGlobalDisplay, oglDisplay.pixmap); if(oglDisplay.glContext) glXDestroyContext(xGlobalDisplay, oglDisplay.glContext); if(oglDisplay.pBuffer) glXDestroyPbuffer(xGlobalDisplay, oglDisplay.pBuffer); oglDisplay.pBuffer = glXCreatePbuffer(xGlobalDisplay, config[0], PBattrib); if(oglDisplay.pBuffer) { oglDisplay.glContext = glXCreateNewContext(xGlobalDisplay, config[0], GLX_RGBA_TYPE, oglSystem.glContext, True); if(oglDisplay.glContext) { glXMakeCurrent(xGlobalDisplay, None, null); glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext); // Initialize Shared Memory Pixmap oglDisplay.image = XShmCreateImage(xGlobalDisplay, DefaultVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), 32, ZPixmap, null, &oglDisplay.shminfo, width, height); if(oglDisplay.image) { oglDisplay.shminfo.shmid = shmget(IPC_PRIVATE, oglDisplay.image->bytes_per_line * oglDisplay.image->height, IPC_CREAT|0777); if(oglDisplay.shminfo.shmid != -1) { oglDisplay.shminfo.shmaddr = shmat(oglDisplay.shminfo.shmid, 0, 0); if(oglDisplay.shminfo.shmaddr != (void *)-1) { oglDisplay.shminfo.readOnly = False; if(XShmAttach(xGlobalDisplay, &oglDisplay.shminfo)) { oglDisplay.pixmap = XShmCreatePixmap(xGlobalDisplay, (X11Window)display.window, oglDisplay.shminfo.shmaddr, &oglDisplay.shminfo, width, height, 32); // Initialize Shared Memory Shape Pixmap oglDisplay.shapeImage = XShmCreateImage(xGlobalDisplay, DefaultVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), 1, ZPixmap, null, &oglDisplay.shminfoShape, width, height); if(oglDisplay.shapeImage) { oglDisplay.shminfoShape.shmid = shmget(IPC_PRIVATE, oglDisplay.shapeImage->bytes_per_line * oglDisplay.shapeImage->height, IPC_CREAT|0777); if(oglDisplay.shminfoShape.shmid != -1) { oglDisplay.shminfoShape.shmaddr = shmat(oglDisplay.shminfoShape.shmid, 0, 0); if(oglDisplay.shminfoShape.shmaddr != (void *)-1) { oglDisplay.shminfoShape.readOnly = False; if(XShmAttach(xGlobalDisplay, &oglDisplay.shminfoShape)) { oglDisplay.shapePixmap = XShmCreatePixmap(xGlobalDisplay, (X11Window)display.window, oglDisplay.shminfoShape.shmaddr, &oglDisplay.shminfoShape, width, height, 1); //oglDisplay.shapePixmap = XCreatePixmap(xGlobalDisplay, (X11Window)display.window, width, height, 1); { XRenderPictureAttributes attributes = { 0 }; XRenderPictFormat * format = XRenderFindStandardFormat(xGlobalDisplay, /*PictStandardRGB24*/ PictStandardARGB32); #if !defined(__APPLE__) attributes.repeat = RepeatNormal; #else attributes.repeat = 1; #endif oglDisplay.pixmapPicture = XRenderCreatePicture(xGlobalDisplay, oglDisplay.pixmap, format, CPRepeat, &attributes); oglDisplay.windowPicture = XRenderCreatePicture(xGlobalDisplay, (X11Window)display.window, format, 0, &attributes); oglDisplay.shapePicture = XRenderCreatePicture(xGlobalDisplay, oglDisplay.shapePixmap, XRenderFindStandardFormat(xGlobalDisplay, PictStandardA1), 0, &attributes); } oglDisplay.picture = oglDisplay.shminfo.shmaddr; oglDisplay.stride = oglDisplay.image->bytes_per_line / 4; result = true; } } } } } } } } } } XFree(config); } #endif #endif CreateDisplay(display); #if defined(__WIN32__) wglMakeCurrent(oglDisplay.hdc, oglDisplay.glrc); #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) width = eglWidth; height = eglHeight; #elif defined(__EMSCRIPTEN__) emscripten_webgl_make_context_current(oglSystem.glc); #else glXMakeCurrent(xGlobalDisplay, (GLXDrawable)display.window, oglDisplay.glContext); #endif #endif } else #endif result = true; SETCAPS(oglDisplay.capabilities); if(display.alphaBlend && result) initialDisplaySetup(display, true, false); if(!result && display.alphaBlend) { printf("Alpha blending windows not supported on this display\n"); } if(!result) return false; result = false; glViewport(0,0,width,height); GLMatrixMode(MatrixMode::projection); GLLoadIdentity(); GLOrtho(0,width,height,0,0.0,1.0); displayWidth = display.width = width; displayHeight = display.height = height; if(!oglDisplay.flippingBuffer || oglDisplay.flipBufW < width || oglDisplay.flipBufH < height) { oglDisplay.flipBufW = width; oglDisplay.flipBufH = height; #if defined(_GLES) || defined(_GLES2) result = true; #else oglDisplay.flippingBuffer = renew oglDisplay.flippingBuffer ColorAlpha [width * height]; #endif } if(oglDisplay.flippingBuffer || !width || !height) result = true; return result; } void DisplayPosition(Display display, int x, int y) { OGLDisplay oglDisplay = display.driverData; oglDisplay.x = x; oglDisplay.y = y; } void SetPalette(Display display, ColorAlpha * palette, bool colorMatch) { } void RestorePalette(Display display) { } void StartUpdate(Display display) { #if ENABLE_GL_VAO if(glCaps_vao) { OGLDisplay oglDisplay = display.driverData; glBindVertexArray(oglDisplay.vao); } #endif GLABBindBuffer(GL_ARRAY_BUFFER, 0); GLABBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); } void EndUpdate(Display display) { } void Scroll(Display display, Box scroll, int x, int y, Extent dirty) { } void Update(Display display, Box updateBox) { #if defined(__WIN32__) || defined(USEPBUFFER) OGLDisplay oglDisplay = display.driverData; #endif #if !defined(__ANDROID__) /*glFlush(); glFinish();*/ #endif #if defined(__WIN32__) || defined(USEPBUFFER) if(display.alphaBlend) { glPixelStorei(GL_PACK_ALIGNMENT, 4); glPixelStorei(GL_PACK_ROW_LENGTH, oglDisplay.stride); glPixelStorei(GL_PACK_SKIP_ROWS, 0); glPixelStorei(GL_PACK_SKIP_PIXELS, 0); glReadPixels(0,0,display.width,display.height,GL_BGRA_EXT,GL_UNSIGNED_BYTE, oglDisplay.picture); { #if defined(__WIN32__) HDC hdc = GetDC(0); POINT point = { oglDisplay.x, oglDisplay.y}; POINT srcPoint = { 0, 0 }; BLENDFUNCTION blend = { 0 }; SIZE size; size.cx = display.width; size.cy = display.height; blend.BlendOp = AC_SRC_OVER; blend.BlendFlags = 0; blend.SourceConstantAlpha = 255; blend.AlphaFormat = AC_SRC_ALPHA; /* // Process partial images. Mapping the buffer waits for // outstanding DMA transfers into the buffer to finish. glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]); oglDisplay.pboMemory1 = (byte *)glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY); // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]); // oglDisplay.pboMemory2 = (byte *)glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB,GL_READ_ONLY); memcpy(oglDisplay.picture, oglDisplay.pboMemory1, display.width * display.height * 4); //memcpy(oglDisplay.picture + display.width * display.height * 4 / 2, oglDisplay.pboMemory2, display.width * display.height * 4/ 2); */ UpdateLayeredWindow(display.window, hdc, &point, &size, oglDisplay.memDC, &srcPoint, 0, &blend, ULW_ALPHA); /* // Unmap the image buffers glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]); glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB); // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]); // glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB); // Bind two different buffer objects and start the glReadPixels // asynchronously. Each call will return directly after // starting the DMA transfer. glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[0]); glReadPixels(0, 0, display.width, display.height, GL_BGRA, GL_UNSIGNED_BYTE, 0); // glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, oglDisplay.imageBuffers[1]); // glReadPixels(0, display.height/2, display.width, display.height/2, GL_BGRA, GL_UNSIGNED_BYTE, 0); */ ReleaseDC(0, hdc); #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) || defined(__EMSCRIPTEN__) #else XTransform transform = { { { (int)(1.0f * (1<<16)), (int)(0.0f * (1<<16)), (int)(0 * (1 << 16)) }, { (int)(0.0f), (int)(-1.0f * (1<<16)), (int)(0 * (1<<16)) }, { (int)(0.0f * (1<<16)), (int)(0.0f * (1<<16)), (int)(1.0f * (1<<16)) } } }; XRenderSetPictureTransform(xGlobalDisplay, oglDisplay.pixmapPicture, &transform); XRenderComposite(xGlobalDisplay, PictOpSrc, oglDisplay.pixmapPicture, None, oglDisplay.shapePicture, 0, 0, 0, 0, 0, 0, display.width, display.height); XRenderComposite(xGlobalDisplay, PictOpSrc, oglDisplay.pixmapPicture, None, oglDisplay.windowPicture, 0, 0, 0, 0, 0, 0, display.width, display.height); #if !defined(__APPLE__) XShapeCombineMask(xGlobalDisplay, (X11Window)display.window, ShapeInput, 0, 0, oglDisplay.shapePixmap, ShapeSet); #else XShapeCombineMask(xGlobalDisplay, display.window, 2, 0, 0, oglDisplay.shapePixmap, ShapeSet); #endif XFlush(xGlobalDisplay); #endif #endif } } else #endif { #if defined(__WIN32__) //wglSwapLayerBuffers(oglDisplay.hdc,WGL_SWAP_MAIN_PLANE); SwapBuffers(oglDisplay.hdc); //ecere::sys::Sleep(0.1); #elif defined(__unix__) || defined(__APPLE__) #if defined(__ANDROID__) || defined(__ODROID__) egl_swap_buffers(); #elif defined(__EMSCRIPTEN__) #else glXSwapBuffers(xGlobalDisplay, (GLXDrawable)display.window); #endif #endif } } void FreeBitmap(DisplaySystem displaySystem, Bitmap bitmap) { if(bitmap.driverData) { GLuint tex = (GLuint)(uintptr)bitmap.driverData; glDeleteTextures(1, &tex); bitmap.driverData = 0; } bitmap.driver = ((subclass(DisplayDriver))class(LFBDisplayDriver)); } bool AllocateBitmap(DisplaySystem displaySystem, Bitmap bitmap, int width, int height, int stride, PixelFormat format, bool allocatePalette) { OGLSystem oglSystem = displaySystem.driverData; GLCapabilities capabilities = oglSystem.capabilities; bool result = false; Bitmap mipMap { }; GLuint glBitmap = 0; uint w = width, h = height; if(!capabilities.nonPow2Textures) { w = pow2i(w); h = pow2i(h); } w = Min(w, oglSystem.maxTextureSize); h = Min(h, oglSystem.maxTextureSize); glGenTextures(1, &glBitmap); glBindTexture(GL_TEXTURE_2D, glBitmap); glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); #if ENABLE_GL_FFP if(!capabilities.shaders) glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); #endif mipMap.Allocate(null, w, h, w, pixelFormatRGBA, false); // glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture); delete mipMap; bitmap.driverData = (void *)(uintptr)glBitmap; bitmap.driver = displaySystem.driver; bitmap.width = w; bitmap.height = h; result = true; return result; } bool MakeDDBitmap(DisplaySystem displaySystem, Bitmap bitmap, bool mipMaps) { bool result = false; OGLSystem oglSystem = displaySystem.driverData; GLCapabilities capabilities = oglSystem.capabilities; Bitmap convBitmap = bitmap; if(bitmap.keepData) { convBitmap = { }; convBitmap.Copy(bitmap); } // Pre process the bitmap... First make it 32 bit if(/*bitmap.pixelFormat == pixelFormatRGBA || */convBitmap.Convert(null, pixelFormat888, null)) { int c, level; uint w = bitmap.width, h = bitmap.height; GLuint glBitmap = 0; if(!capabilities.nonPow2Textures) { w = pow2i(w); h = pow2i(h); } w = Min(w, oglSystem.maxTextureSize); h = Min(h, oglSystem.maxTextureSize); if(mipMaps) { while(w * 2 < h) w *= 2; while(h * 2 < w) h *= 2; } // Switch ARGB to RGBA //if(bitmap.format != pixelFormatRGBA) { for(c=0; c= 1 || h >= 1); level++, w >>= 1, h >>= 1) { Bitmap mipMap; if(!w) w = 1; if(!h) h = 1; if(bitmap.width != w || bitmap.height != h) { mipMap = Bitmap { }; if(mipMap.Allocate(null, w, h, w, convBitmap.pixelFormat, false)) { Surface mipSurface = mipMap.GetSurface(0,0,null); mipSurface.Filter(convBitmap, 0,0,0,0, w, h, convBitmap.width, convBitmap.height); delete mipSurface; } else { result = false; delete mipMap; } } else mipMap = convBitmap; if(result) { int error; //int width = 0; glGetError(); // glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture); glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, mipMap.picture); //printf("Calling glTexImage2D\n"); //glGetTexLevelParameteriv(GL_TEXTURE_2D, level, GL_TEXTURE_WIDTH, &width); //printf("width = %d (Should be %d, %d)\n", width, w, h); if((error = glGetError())) { //Logf("OpenGL Bitmap MakeDD error: %d...\n", error); //printf("OpenGL Bitmap MakeDD error: %d...\n", error); result = false; } } if(mipMap != convBitmap) delete mipMap; if(!mipMaps) break; } convBitmap.driver.FreeBitmap(convBitmap.displaySystem, convBitmap); bitmap.driverData = (void *)(uintptr)glBitmap; bitmap.driver = displaySystem.driver; if(bitmap.keepData) delete convBitmap; if(!result) FreeBitmap(displaySystem, bitmap); else if(oglSystem.loadingFont) { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); oglSystem.loadingFont = false; } } return result; } void ReleaseSurface(Display display, Surface surface) { glDisable(GL_SCISSOR_TEST); delete surface.driverData; surface.driverData = null; } bool GetBitmapSurface(DisplaySystem displaySystem, Surface surface, Bitmap bitmap, int x, int y, Box clip) { return false; } bool GetSurface(Display display, Surface surface, int x,int y, Box clip) { bool result = false; OGLDisplay oglDisplay = display.driverData; OGLSurface oglSurface = surface.driverData = OGLSurface { }; if(oglSurface) { SETCAPS(oglDisplay.capabilities); if(displayWidth != display.width || displayHeight != display.height) { displayWidth = display.width; displayHeight = display.height; glViewport(0,0,display.width,display.height); GLLoadIdentity(); GLOrtho(0,display.width,display.height,0,0.0,1.0); } surface.offset.x = x; surface.offset.y = y; surface.unclippedBox = surface.box = clip; oglSurface.bitmapMult[0] = 1; oglSurface.bitmapMult[1] = 1; oglSurface.bitmapMult[2] = 1; oglSurface.bitmapMult[3] = 1; glEnable(GL_SCISSOR_TEST); glScissor( x+clip.left, (display.height) -(y+clip.bottom)-1, clip.right-clip.left+1, clip.bottom-clip.top+1); result = true; } return result; } void Clip(Display display, Surface surface, Box clip) { Box box; if(clip != null) { box = clip; box.Clip(surface.unclippedBox); surface.box = box; } else box = surface.box = surface.unclippedBox; box.left += surface.offset.x; box.top += surface.offset.y; box.right+= surface.offset.x; box.bottom += surface.offset.y; glScissor( box.left,display.height - box.bottom - 1, box.right-box.left+1, box.bottom-box.top+1); } bool GrabScreen(Display display, Bitmap bitmap, int x, int y, unsigned int w, unsigned int h) { bool result = false; OGLDisplay oglDisplay = display.driverData; ColorAlpha * flippingBuffer = oglDisplay.flippingBuffer; if(oglDisplay.flippingBuffer) { if(bitmap.pixelFormat != pixelFormat888 || bitmap.width < w || bitmap.height < h) { bitmap.Free(); bitmap.Allocate(null, w,h,w, pixelFormat888, false); } if(bitmap) { uint row; glPixelStorei(GL_PACK_ALIGNMENT, 4); #if ENABLE_GL_LEGACY glPixelStorei(GL_PACK_ROW_LENGTH, bitmap.stride); glPixelStorei(GL_PACK_SKIP_ROWS, 0); glPixelStorei(GL_PACK_SKIP_PIXELS, 0); #endif glReadPixels(x,display.height-h-y,w,h,GL_BGRA_EXT,GL_UNSIGNED_BYTE, flippingBuffer); // Need a flip... for(row = 0; row= _y1) y2 += 1; else y1 += 1; } else if(_y1 == _y2) { if(_x2 >= _x1) x2 += 1; else x1 += 1; } x1 += surface.offset.x; y1 += surface.offset.y; x2 += surface.offset.x; y2 += surface.offset.y; GLColor4fv(oglSurface.foreground); GLBegin(GL_LINES); if(stippleEnabled) { GLTexCoord2f(0.5f, 0); GLVertex2f(x1 + 0.5f, y1 + 0.5f); GLTexCoord2f(Max(x2-x1, y2-y1) + 0.5f, 0); GLVertex2f(x2 + 0.5f, y2 + 0.5f); } else { /* GLVertex2i(x1, y1); GLVertex2i(x2, y2); */ GLVertex2f(x1 + 0.5f, y1 + 0.5f); GLVertex2f(x2 + 0.5f, y2 + 0.5f); } GLEnd(); } void Rectangle(Display display, Surface surface,int x1,int y1,int x2,int y2) { OGLSurface oglSurface = surface.driverData; x1 += surface.offset.x; y1 += surface.offset.y; x2 += surface.offset.x; y2 += surface.offset.y; GLColor4fv(oglSurface.foreground); if(stippleEnabled) { GLBegin(GL_LINES); GLTexCoord2f(0.5f, 0); GLVertex2f(x1 + 0.5f, y1 + 0.5f); GLTexCoord2f(y2-y1 + 0.5f, 0); GLVertex2f(x1 + 0.5f, y2 + 0.5f); GLTexCoord2f(0.5f, 0); GLVertex2f(x1 + 0.5f, y2 + 0.5f); GLTexCoord2f(x2 - x1 + 0.5f, 0); GLVertex2f(x2 + 0.5f, y2 + 0.5f); GLTexCoord2f(0.5f, 0); GLVertex2f(x2 + 0.5f, y2 + 0.5f); GLTexCoord2f(y1 - y2 + 0.5f, 0); GLVertex2f(x2 + 0.5f, y1 + 0.5f); GLTexCoord2f(0.5f, 0); GLVertex2f(x2 + 0.5f, y1 + 0.5f); GLTexCoord2f(x1 - x2 + 0.5f, 0); GLVertex2f(x1 + 0.5f, y1 + 0.5f); } else { GLBegin(GL_LINE_LOOP); /* glVertex2i(x1, y1); glVertex2i(x1, y2); glVertex2i(x2, y2); glVertex2i(x2, y1); */ GLVertex2f(x1 + 0.5f, y1 + 0.5f); GLVertex2f(x1 + 0.5f, y2 + 0.5f); GLVertex2f(x2 + 0.5f, y2 + 0.5f); GLVertex2f(x2 + 0.5f, y1 + 0.5f); } GLEnd(); } void Area(Display display, Surface surface,int x1,int y1,int x2,int y2) { OGLSurface oglSurface = surface.driverData; GLColor4fv(oglSurface.background); GLRecti(x1+surface.offset.x, y1+surface.offset.y, x2+surface.offset.x + 1, y2+surface.offset.y + 1); /* GLRectf(x1+surface.offset.x, y1+surface.offset.y, x2+surface.offset.x + 1, y2+surface.offset.y + 1); */ } void Clear(Display display, Surface surface, ClearType type) { OGLDisplay oglDisplay = display.driverData; OGLSurface oglSurface = surface.driverData; //Logf("Clear\n"); if(type != depthBuffer) glClearColor(oglSurface.background[0], oglSurface.background[1], oglSurface.background[2], oglSurface.background[3]); if(type != colorBuffer && !oglDisplay.depthWrite) { glDepthMask((byte)bool::true); } glClear(((type != depthBuffer) ? GL_COLOR_BUFFER_BIT : 0) | ((type != colorBuffer) ? GL_DEPTH_BUFFER_BIT : 0)); if(type != colorBuffer && !oglDisplay.depthWrite) { glDepthMask((byte)bool::false); } } bool ConvertBitmap(DisplaySystem displaySystem, Bitmap bitmap, PixelFormat format, ColorAlpha * palette) { return true; } void Blit(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h) { OGLSurface oglSurface = surface.driverData; GLuint tex = (GLuint)(uintptr)bitmap.driverData; if(!tex) return; if(!oglSurface.writingText) { // glTranslatef(-0.375f, -0.375f, 0.0f); GLSetupTexturing(true); GLColor4fv(oglSurface.bitmapMult); glBindTexture(GL_TEXTURE_2D, tex); GLBegin(GLIMTKMode::quads); } else if(lastBlitTex != tex) { if(lastBlitTex) GLEnd(); glBindTexture(GL_TEXTURE_2D, tex); GLBegin(GLIMTKMode::quads); lastBlitTex = tex; } if(h < 0) { GLTexCoord2f((float)sx/ bitmap.width, (float)(sy-h)/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy-h)/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy-h+surface.offset.y); GLTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy-h+surface.offset.y); } else { /* GLTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy+h)/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy+h+surface.offset.y); GLTexCoord2f((float)sx/ bitmap.width, (float)(sy+h)/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy+h+surface.offset.y); */ GLTexCoord2f((float)sx / bitmap.width, (float)sy/ bitmap.height); GLVertex2f((float)dx+surface.offset.x, (float)dy+surface.offset.y); GLTexCoord2f((float)(sx+w)/ bitmap.width, (float)sy/ bitmap.height); GLVertex2f((float)dx+w+surface.offset.x, (float)dy+surface.offset.y); GLTexCoord2f((float)(sx+w) / bitmap.width, (float)(sy+h)/ bitmap.height); GLVertex2f((float)dx+w+surface.offset.x, (float)dy+h+surface.offset.y); GLTexCoord2f((float)sx/ bitmap.width, (float)(sy+h)/ bitmap.height); GLVertex2f((float)dx+surface.offset.x, (float)dy+h+surface.offset.y); } if(!oglSurface.writingText) { GLEnd(); GLSetupTexturing(false); //glTranslate(0.375, 0.375, 0.0); } } void Stretch(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh) { OGLSurface oglSurface = surface.driverData; //glTranslate(-0.375, -0.375, 0.0); GLSetupTexturing(true); glBindTexture(GL_TEXTURE_2D, (GLuint)(uintptr)bitmap.driverData); GLColor4fv(oglSurface.bitmapMult); GLBegin(GLIMTKMode::quads); if(h < 0) { GLTexCoord2f((float)(sx)/ bitmap.width, (float)(sy+sh)/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+sw) / bitmap.width, (float)(sy+sh)/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+sw)/ bitmap.width, (float)(sy)/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy-h+surface.offset.y); GLTexCoord2f((float)(sx) / bitmap.width, (float)(sy)/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy-h+surface.offset.y); } else { GLTexCoord2f((float)(sx) / bitmap.width, (float)(sy)/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+sw)/ bitmap.width, (float)(sy)/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy+surface.offset.y); GLTexCoord2f((float)(sx+sw) / bitmap.width, (float)(sy+sh)/ bitmap.height); GLVertex2i(dx+w+surface.offset.x, dy+h+surface.offset.y); GLTexCoord2f((float)(sx)/ bitmap.width, (float)(sy+sh)/ bitmap.height); GLVertex2i(dx+surface.offset.x, dy+h+surface.offset.y); } GLEnd(); GLSetupTexturing(false); //glTranslate(0.375, 0.375, 0.0); } void Filter(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh) { Stretch(display, surface, bitmap, dx, dy, sx, sy, w, h, sw, sh); } void StretchDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh) { float s2dw,s2dh,d2sw,d2sh; //bool flipX = false, flipY = false; if(Sgn(w) != Sgn(sw)) { w = Abs(w); sw = Abs(sw); //flipX = true; } if(Sgn(h) != Sgn(sh)) { h = Abs(h); sh = Abs(sh); //flipY = true; } s2dw=(float)w / sw; s2dh=(float)h / sh; d2sw=(float)sw / w; d2sh=(float)sh / h; //Clip against the edges of the source if(sx<0) { dx+=(int)((0-sx) * s2dw); w-=(int)((0-sx) * s2dw); sw-=0-sx; sx=0; } if(sy<0) { dy+=(int)((0-sy) * s2dh); h-=(int)((0-sy) * s2dh); sh-=0-sy; sy=0; } if(sx+sw>bitmap.width-1) { w-=(int)((sx+sw-(bitmap.width-1)-1)*s2dw); sw-=sx+sw-(bitmap.width-1)-1; } if(sy+sh>(bitmap.height-1)) { h-=(int)((sy+sh-(bitmap.height-1)-1)*s2dh); sh-=sy+sh-(bitmap.height-1)-1; } //Clip against the edges of the surfaceination if(dxsurface.box.right) { //if(flip) sx+=(int)((dx+w-surface.box.right-1)*d2sw); sw-=(int)((dx+w-surface.box.right-1)*d2sw); w-=dx+w-surface.box.right-1; } if(dy+h>surface.box.bottom) { sh-=(int)((dy+h-surface.box.bottom-1)*d2sh); h-=dy+h-surface.box.bottom-1; } if((w<=0)||(h<=0)||(sw<=0)||(sh<=0)) return; dx += surface.offset.x; dy += surface.offset.y; if(bitmap.pixelFormat == pixelFormat888 && !bitmap.paletteShades) { glPixelStorei(GL_UNPACK_ALIGNMENT, 4); #if ENABLE_GL_LEGACY if(glCaps_legacy) { glPixelStorei(GL_UNPACK_ROW_LENGTH, bitmap.stride); glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx); glPixelStorei(GL_UNPACK_SKIP_ROWS, sy); glRasterPos2d(dx,dy); //glPixelZoom(flipX ? -s2dw : s2dw, flipY ? s2dh : -s2dh); glPixelZoom(s2dw, -s2dh); glDrawPixels(sw,sh,GL_BGRA_EXT,GL_UNSIGNED_BYTE, bitmap.picture); glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); } #endif glPixelStorei(GL_UNPACK_ALIGNMENT, 1); } } void BlitDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h) { //Clip against the edges of the source if(sx<0) { dx+=-sx; w-=-sx; sx=0; } if(sy<0) { dy+=0-sy; h-=0-sy; sy=0; } if(sx+w>bitmap.width-1) w-=sx+w-(bitmap.width-1)-1; if(sy+h>bitmap.height-1) h-=sy+h-(bitmap.height-1)-1; //Clip against the edges of the surfaceination if(dxsurface.box.right) { //if(flip) sx+=dx+w-surface.box.right-1; w-=dx+w-surface.box.right-1; } if(dy+h>surface.box.bottom) h-=dy+h-surface.box.bottom-1; if((w<=0)||(h<=0)) return; dx += surface.offset.x; dy += surface.offset.y; if(bitmap.pixelFormat == pixelFormat888 && !bitmap.paletteShades) { glPixelStorei(GL_UNPACK_ALIGNMENT, 4); #if ENABLE_GL_LEGACY if(glCaps_legacy) { glPixelStorei(GL_UNPACK_ROW_LENGTH, bitmap.stride); glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx); glPixelStorei(GL_UNPACK_SKIP_ROWS, sy); glRasterPos2d(dx,dy); glPixelZoom(1,-1); glDrawPixels(w,h,GL_BGRA_EXT,GL_UNSIGNED_BYTE, bitmap.picture); glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); } #endif glPixelStorei(GL_UNPACK_ALIGNMENT, 1); } } void FilterDI(Display display, Surface surface, Bitmap bitmap, int dx, int dy, int sx, int sy, int w, int h, int sw, int sh) { StretchDI(display, surface, bitmap, dx, dy, sx, sy, w, h, sw, sh); } void UnloadFont(DisplaySystem displaySystem, Font font) { ((subclass(DisplayDriver))class(LFBDisplayDriver)).UnloadFont(displaySystem, font); } Font LoadFont(DisplaySystem displaySystem, const char * faceName, float size, FontFlags flags, float outlineSize, float outlineFade) { Font font; OGLSystem oglSystem = displaySystem.driverData; oglSystem.loadingFont = true; font = ((subclass(DisplayDriver))class(LFBDisplayDriver)).LoadFont(displaySystem, faceName, size, flags, outlineSize, outlineFade); return font; } void FontExtent(DisplaySystem displaySystem, Font font, const char * text, int len, int * width, int * height, int prevGlyph, int * rPrevGlyph, int * adv) { ((subclass(DisplayDriver))class(LFBDisplayDriver)).FontExtent(displaySystem, font, text, len, width, height, prevGlyph, rPrevGlyph, adv); } void WriteText(Display display, Surface surface, int x, int y, const char * text, int len, int prevGlyph, int * rPrevGlyph) { if(len && text[0]) { OGLSurface oglSurface = surface.driverData; OGLSystem oglSystem = display.displaySystem.driverData; oglSystem.loadingFont = true; //glTranslated(-0.375, -0.375, 0.0); if(surface.textOpacity) { int w = 0, h, adv = 0; FontExtent(display.displaySystem, surface.font, text, len, &w, &h, 0, null, &adv); w += adv; display.displaySystem.driver.Area(display, surface,x,y,x+w-1,y+h-1); } oglSurface.writingText = true; GLSetupTexturing(true); if(surface.font.outlineSize) { ColorAlpha outlineColor = surface.outlineColor; GLColor4ub(outlineColor.color.r, outlineColor.color.g, outlineColor.color.b, outlineColor.a); oglSurface.writingOutline = true; lastBlitTex = 0; ((subclass(DisplayDriver))class(LFBDisplayDriver)).WriteText(display, surface, x, y, text, len, prevGlyph, rPrevGlyph); if(lastBlitTex) GLEnd(); oglSurface.writingOutline = false; } GLColor4fv(oglSurface.foreground); lastBlitTex = 0; ((subclass(DisplayDriver))class(LFBDisplayDriver)).WriteText(display, surface, x, y, text, len, prevGlyph, rPrevGlyph); if(lastBlitTex) GLEnd(); lastBlitTex = 0; oglSurface.writingText = false; oglSystem.loadingFont = false; GLSetupTexturing(false); //glTranslated(0.375, 0.375, 0.0); } } void TextFont(Display display, Surface surface, Font font) { ((subclass(DisplayDriver))class(LFBDisplayDriver)).TextFont(display, surface, font); } void TextOpacity(Display display, Surface surface, bool opaque) { OGLSurface oglSurface = surface.driverData; oglSurface.opaqueText = opaque; } void TextExtent(Display display, Surface surface, const char * text, int len, int * width, int * height, int prevGlyph, int * rPrevGlyph, int * adv) { OGLSurface oglSurface = surface.driverData; OGLSystem oglSystem = display.displaySystem.driverData; oglSystem.loadingFont = true; FontExtent(display.displaySystem, oglSurface.font, text, len, width, height, prevGlyph, rPrevGlyph, adv); oglSystem.loadingFont = false; } void DrawingChar(Display display, Surface surface, char character) { } void LineStipple(Display display, Surface surface, uint32 stipple) { if(stipple) { #if ENABLE_GL_LEGACY if(glCaps_legacy) { glLineStipple(1, (uint16)stipple); glEnable(GL_LINE_STIPPLE); } else #endif { stippleEnabled = true; glsupLineStipple(1, (uint16)stipple); } } else { #if ENABLE_GL_LEGACY if(glCaps_legacy) glDisable(GL_LINE_STIPPLE); else #endif { stippleEnabled = false; GLMatrixMode(GL_TEXTURE); GLLoadIdentity(); GLMatrixMode(MatrixMode::projection); GLSetupTexturing(false); // TODO: Special shading code for stipple? } } } #if !defined(ECERE_NO3D) && !defined(ECERE_VANILLA) void SetRenderState(Display display, RenderState state, uint value) { OGLDisplay oglDisplay = display.driverData; switch(state) { case antiAlias: #ifndef __EMSCRIPTEN__ if(value) glEnable(GL_MULTISAMPLE); else glDisable(GL_MULTISAMPLE); #endif break; case fillMode: #if ENABLE_GL_LEGACY if(glCaps_legacy) glPolygonMode(GL_FRONT_AND_BACK, ((FillModeValue)value == solid) ? GL_FILL : GL_LINE); #endif break; case depthTest: if(value) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST); break; case depthWrite: if(value) glDepthMask((byte)bool::true); else glDepthMask((byte)bool::false); oglDisplay.depthWrite = (bool)value; break; case fogColor: { float color[4] = { ((Color)value).r/255.0f, ((Color)value).g/255.0f, ((Color)value).b/255.0f, 1.0f }; #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_fogColor(color[0], color[1], color[2]); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) glFogfv(GL_FOG_COLOR, (float *)&color); #endif break; } case fogDensity: #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_fogDensity((float)(RenderStateFloat { ui = value }.f * nearPlane)); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) glFogf(GL_FOG_DENSITY, (float)(RenderStateFloat { ui = value }.f * nearPlane)); #endif break; case blend: //#if !defined(__EMSCRIPTEN__) if(value) glEnable(GL_BLEND); else glDisable(GL_BLEND); //#endif break; case ambient: { #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_setGlobalAmbient(((Color)value).r / 255.0f, ((Color)value).g / 255.0f, ((Color)value).b / 255.0f, 1.0f); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) { float ambient[4] = { ((Color)value).r/255.0f, ((Color)value).g/255.0f, ((Color)value).b/255.0f, 1.0f }; glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient); } #endif break; } case alphaWrite: { if(value) glColorMask(1,1,1,1); else glColorMask(1,1,1,0); break; } case vSync: { #if defined(__WIN32__) if(wglSwapIntervalEXT) wglSwapIntervalEXT(value ? 1 : 0); #endif break; } } } void SetLight(Display display, int id, Light light) { #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_setLight(display, id, light); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) { if(light != null && !light.flags.off) { Object lightObject = light.lightObject; float position[4] = { 0, 0, 0, 0 }; float color[4] = { 0, 0, 0, 1 }; Vector3D l; glEnable(GL_LIGHT0 + id); if(!light.multiplier) light.multiplier = 1.0f; GLFlushMatrices(); color[0] = light.diffuse.r * light.multiplier; color[1] = light.diffuse.g * light.multiplier; color[2] = light.diffuse.b * light.multiplier; glLightfv(GL_LIGHT0 + id, GL_DIFFUSE, color); color[0] = light.ambient.r * light.multiplier; color[1] = light.ambient.g * light.multiplier; color[2] = light.ambient.b * light.multiplier; glLightfv(GL_LIGHT0 + id, GL_AMBIENT, color); color[0] = light.specular.r * light.multiplier; color[1] = light.specular.g * light.multiplier; color[2] = light.specular.b * light.multiplier; glLightfv(GL_LIGHT0 + id, GL_SPECULAR,color); if(lightObject) { // Positional Lights, including Spot Lights (and omni light with flags.spot not set) Matrix * mat = &lightObject.matrix; l = { mat->m[3][0], mat->m[3][1], mat->m[3][2] }; if(display.display3D.camera) l.Subtract(l, display.display3D.camera.cPosition); position[0] = (float)l.x, position[1] = (float)l.y, position[2] = (float)l.z, position[3] = 1; glLightfv(GL_LIGHT0 + id, GL_POSITION, position); if(light.flags.attenuation) { glLightf(GL_LIGHT0 + id, GL_CONSTANT_ATTENUATION, light.Kc); glLightf(GL_LIGHT0 + id, GL_LINEAR_ATTENUATION, light.Kl); glLightf(GL_LIGHT0 + id, GL_QUADRATIC_ATTENUATION, light.Kq); } else { glLightf(GL_LIGHT0 + id, GL_CONSTANT_ATTENUATION, 1); glLightf(GL_LIGHT0 + id, GL_LINEAR_ATTENUATION, 0); glLightf(GL_LIGHT0 + id, GL_QUADRATIC_ATTENUATION, 0); } if((light.flags.spot && light.fallOff < 360) || (lightObject && (light.direction.x || light.direction.y || light.direction.z))) { // Figure out exponent out of the hot spot #define MAXLIGHT 0.9 float exponent = light.flags.spot ? (float)(log(MAXLIGHT) / log(cos(light.hotSpot / 2))) : 1; Degrees cutOff = light.flags.spot ? light.fallOff/2 : 90; float direction[4] = { (float)light.direction.x, (float)light.direction.y, (float)light.direction.z, 1 }; glLightfv(GL_LIGHT0 + id, GL_SPOT_DIRECTION, direction); glLightf(GL_LIGHT0 + id, GL_SPOT_CUTOFF, (float)cutOff); glLightf(GL_LIGHT0 + id, GL_SPOT_EXPONENT, exponent); } else { float d[4] = { 0, 0, 1, 0 }; glLightfv(GL_LIGHT0 + id, GL_SPOT_DIRECTION, d); glLightf(GL_LIGHT0 + id, GL_SPOT_CUTOFF, 180); glLightf(GL_LIGHT0 + id, GL_SPOT_EXPONENT, 1); } /* if(lightObject) { // Display Light Position glDisable(GL_LIGHTING); glDisable(GL_DEPTH_TEST); glColor3f(1,1,1); glPointSize(10); glBegin(GL_POINTS); glVertex3fv(position); glEnd(); glEnable(GL_DEPTH_TEST); glEnable(GL_LIGHTING); // Display Target if(lightObject.flags.root || !lightObject.parent) { positionVector = light.target.transform.position; positionVector.Subtract(positionVector, display.camera.cPosition); } else { positionVector.MultMatrix(light.target.transform.position, lightObject.light.target.parent.matrix); positionVector.Subtract(positionVector, display.camera.cPosition); } position[0] = positionVector.x; position[1] = positionVector.y; position[2] = positionVector.z; glDisable(GL_LIGHTING); glDisable(GL_DEPTH_TEST); glColor3f(1,1,0); glPointSize(10); glBegin(GL_POINTS); glVertex3fv(position); glEnd(); glEnable(GL_DEPTH_TEST); glEnable(GL_LIGHTING); } */ } else { // Directional Light Vector3D vector { 0,0,-1 }; Vector3D direction; Matrix mat; mat.RotationQuaternion(light.orientation); direction.MultMatrix(vector, mat); l.Normalize(direction); position[0] = (float)l.x, position[1] = (float)l.y, position[2] = (float)l.z, position[3] = 0; glLightfv(GL_LIGHT0 + id, GL_POSITION, position); } } else glDisable(GL_LIGHT0 + id); } #endif } void SetCamera(Display display, Surface surface, Camera camera) { OGLDisplay oglDisplay = display.driverData; if(surface && camera) { int left = surface.box.left + surface.offset.x; int top = surface.box.top + surface.offset.y; int right = surface.box.right + surface.offset.x; int bottom = surface.box.bottom + surface.offset.y; float origX = surface.offset.x + camera.origin.x; float origY = surface.offset.y + camera.origin.y; int x = left; int y = display.height - bottom - 1; int w = right - left + 1; int h = bottom - top + 1; // *** ViewPort *** glViewport(x, y, w, h); // *** Projection Matrix *** GLMatrixMode(MatrixMode::projection); if(!display.display3D.camera) GLPushMatrix(); if(display.display3D.collectingHits) { float pickX = display.display3D.pickX + surface.offset.x; float pickY = display.height - (display.display3D.pickY + surface.offset.y) - 1; Matrix pickMatrix { { w / display.display3D.pickWidth, 0, 0, 0, 0, h / display.display3D.pickHeight, 0, 0, 0, 0, 1, 0, (w + 2.0f * (x - pickX)) / display.display3D.pickWidth, (h + 2.0f * (y - pickY)) / display.display3D.pickHeight, 0, 1 } }; GLLoadMatrixd(pickMatrix.array); } else GLLoadIdentity(); GLFrustum( (left - origX) * camera.zMin / camera.focalX, (right - origX) * camera.zMin / camera.focalX, (bottom - origY) * camera.zMin / camera.focalY, (top - origY) * camera.zMin / camera.focalY, camera.zMin, camera.zMax); glDisable(GL_BLEND); // *** Z Inverted Identity Matrix *** GLMatrixMode(MatrixMode::modelView); if(!display.display3D.camera) GLPushMatrix(); GLLoadIdentity(); GLScaled(1.0/nearPlane, 1.0/nearPlane, -1.0/nearPlane); // *** View Matrix *** GLMultMatrixd(camera.viewMatrix.array); // *** Lights *** // ... glEnable(GL_DEPTH_TEST); GLSetupLighting(true); #if ENABLE_GL_FFP if(!glCaps_shaders) glShadeModel(GL_SMOOTH); #endif glDepthMask((byte)bool::true); oglDisplay.depthWrite = true; #ifndef __EMSCRIPTEN__ glEnable(GL_MULTISAMPLE); #endif } else if(surface && display.display3D.camera) { nearPlane = 1; oglDisplay.depthWrite = false; glViewport(0,0,display.width,display.height); glDisable(GL_CULL_FACE); glDisable(GL_DEPTH_TEST); GLSetupTexturing(false); GLSetupLighting(false); GLSetupFog(false); GLDisableClientState(COLORS); #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_setPerVertexColor(false); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) glShadeModel(GL_FLAT); #endif glEnable(GL_BLEND); #if !defined(__EMSCRIPTEN__) glDisable(GL_MULTISAMPLE); #endif // *** Restore 2D MODELVIEW Matrix *** GLPopMatrix(); // *** Restore 2D PROJECTION Matrix *** GLMatrixMode(MatrixMode::projection); GLPopMatrix(); } } void ApplyMaterial(Display display, Material material, Mesh mesh) { // Basic Properties if(material.flags.doubleSided) { #if ENABLE_GL_FFP if(!glCaps_shaders) GLLightModeli(GL_LIGHT_MODEL_TWO_SIDE, !material.flags.singleSideLight); #endif glDisable(GL_CULL_FACE); } else { #if ENABLE_GL_FFP if(!glCaps_shaders) GLLightModeli(GL_LIGHT_MODEL_TWO_SIDE, bool::false); #endif glEnable(GL_CULL_FACE); } // Fog GLSetupFog(!material.flags.noFog); // Maps if(material.baseMap && (mesh.texCoords || mesh.flags.texCoords1)) { Bitmap map = material.baseMap; GLSetupTexturing(true); glBindTexture(GL_TEXTURE_2D, (GLuint)(uintptr)map.driverData); GLMatrixMode(GL_TEXTURE); GLLoadIdentity(); if(material.uScale && material.vScale) GLScalef(material.uScale, material.vScale, 1); GLMatrixMode(MatrixMode::modelView); if(material.flags.tile) { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); } else { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); } } else GLSetupTexturing(false); #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_setMaterial(material, mesh.flags.colors); #endif #if ENABLE_GL_FFP if(!glCaps_shaders) { if(mesh.flags.colors) { GLColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); glEnable(GL_COLOR_MATERIAL); } else { glDisable(GL_COLOR_MATERIAL); { float color[4] = { material.diffuse.r, material.diffuse.g, material.diffuse.b, material.opacity }; glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color); } { float color[4] = { material.ambient.r, material.ambient.g, material.ambient.b, 0 }; glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color); } } if(material.power > 0.1) { float color[4] = { material.specular.r, material.specular.g, material.specular.b, 0 }; glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color); } else { float color[4] = { 0,0,0,0 }; glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color); } { float color[4] = { material.emissive.r, material.emissive.g, material.emissive.b, 0 }; glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, color); } glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, &material.power); } #endif } void FreeMesh(DisplaySystem displaySystem, Mesh mesh) { OGLMesh oglMesh = mesh.data; if(oglMesh) { OGLSystem oglSystem = displaySystem.driverData; SETCAPS(oglSystem.capabilities); if(!mesh.flags.vertices) { oglMesh.vertices.free(glCaps_vertexBuffer); delete mesh.vertices; } if(!mesh.flags.normals) { oglMesh.normals.free(glCaps_vertexBuffer); delete mesh.normals; } if(!mesh.flags.texCoords1) { oglMesh.texCoords.free(glCaps_vertexBuffer); delete mesh.texCoords; } if(!mesh.flags.texCoords2) { oglMesh.texCoords2.free(glCaps_vertexBuffer); // delete mesh.texCoords2; } if(!mesh.flags.colors) { oglMesh.colors.free(glCaps_vertexBuffer); delete mesh.colors; } if(!mesh.flags) { delete oglMesh; mesh.data = null; } } } bool AllocateMesh(DisplaySystem displaySystem, Mesh mesh, MeshFeatures flags, int nVertices) { bool result = false; if(!mesh.data) mesh.data = OGLMesh { }; if(mesh.data) { if(mesh.nVertices == nVertices) { // Same number of vertices, adding features (Leaves the other features pointers alone) if(mesh.flags != flags) { if(!mesh.flags.vertices && flags.vertices) { if(flags.doubleVertices) { mesh.vertices = (Vector3Df *)new Vector3D[nVertices]; } else mesh.vertices = new Vector3Df[nVertices]; } if(!mesh.flags.normals && flags.normals) { if(flags.doubleNormals) { mesh.normals = (Vector3Df *)new Vector3D[nVertices]; } else mesh.normals = new Vector3Df[nVertices]; } if(!mesh.flags.texCoords1 && flags.texCoords1) { mesh.texCoords = new Pointf[nVertices]; } if(!mesh.flags.colors && flags.colors) { mesh.colors = new ColorRGBAf[nVertices]; } } } else { // New number of vertices, reallocate all current and new features flags |= mesh.flags; if(flags.vertices) { if(flags.doubleVertices) { mesh.vertices = (Vector3Df *)renew mesh.vertices Vector3D[nVertices]; } else mesh.vertices = renew mesh.vertices Vector3Df[nVertices]; } if(flags.normals) { if(flags.doubleNormals) { mesh.normals = (Vector3Df *)renew mesh.normals Vector3D[nVertices]; } else mesh.normals = renew mesh.normals Vector3Df[nVertices]; } if(flags.texCoords1) { mesh.texCoords = renew mesh.texCoords Pointf[nVertices]; } if(flags.colors) { mesh.colors = renew mesh.colors ColorRGBAf[nVertices]; } } result = true; } return result; } void UnlockMesh(DisplaySystem displaySystem, Mesh mesh, MeshFeatures flags) { OGLSystem oglSystem = displaySystem.driverData; SETCAPS(oglSystem.capabilities); if(glCaps_vertexBuffer) { OGLMesh oglMesh = mesh.data; if(!flags) flags = mesh.flags; if(flags.vertices) oglMesh.vertices.allocate( mesh.nVertices * (mesh.flags.doubleVertices ? sizeof(Vector3D) : sizeof(Vector3Df)), mesh.vertices, staticDraw); if(flags.normals) oglMesh.normals.allocate( mesh.nVertices * (mesh.flags.doubleNormals ? sizeof(Vector3D) : sizeof(Vector3Df)), mesh.normals, staticDraw); if(flags.texCoords1) oglMesh.texCoords.allocate( mesh.nVertices * sizeof(Pointf), mesh.texCoords, staticDraw); if(flags.colors) oglMesh.colors.allocate( mesh.nVertices * sizeof(ColorRGBAf), mesh.colors, staticDraw); } } bool LockMesh(DisplaySystem displaySystem, Mesh mesh, MeshFeatures flags) { bool result = true; return result; } void FreeIndices(DisplaySystem displaySystem, OGLIndices oglIndices) { OGLSystem oglSystem = displaySystem.driverData; SETCAPS(oglSystem.capabilities); if(oglIndices) { oglIndices.buffer.free(glCaps_vertexBuffer); delete oglIndices.indices; delete oglIndices; } } void * AllocateIndices(DisplaySystem displaySystem, int nIndices, bool indices32bit) { OGLIndices oglIndices = OGLIndices { }; if(oglIndices) { oglIndices.indices = (void *)(indices32bit ? new uint32[nIndices] : new uint16[nIndices]); oglIndices.nIndices = nIndices; } return oglIndices; } void UnlockIndices(DisplaySystem displaySystem, OGLIndices oglIndices, bool indices32bit, int nIndices) { OGLSystem oglSystem = displaySystem.driverData; SETCAPS(oglSystem.capabilities); if(glCaps_vertexBuffer) { if(!glCaps_intAndDouble && indices32bit) { if(!oglIndices.buffer.buffer) glGenBuffers(1, &oglIndices.buffer.buffer); if(glabCurElementBuffer != oglIndices.buffer.buffer) GLABBindBuffer(GL_ELEMENT_ARRAY_BUFFER, oglIndices.buffer.buffer); { uint * pointer = (uint *)oglIndices.indices; int i; uint16 * b; if(nIndices > oglSystem.shortBDSize) { oglSystem.shortBDSize = nIndices; oglSystem.shortBDBuffer = renew oglSystem.shortBDBuffer uint16[oglSystem.shortBDSize]; } b = oglSystem.shortBDBuffer; for(i = 0; i < nIndices; i++) b[i] = (uint16)pointer[i]; glBufferData(GL_ELEMENT_ARRAY_BUFFER, nIndices * sizeof(uint16), b, GL_STATIC_DRAW); } } else oglIndices.buffer.allocate( nIndices * (indices32bit ? sizeof(uint32) : sizeof(uint16)), oglIndices.indices, staticDraw); } } uint16 * LockIndices(DisplaySystem displaySystem, OGLIndices oglIndices) { return oglIndices.indices; } void SelectMesh(Display display, Mesh mesh) { #if !defined( __ANDROID__) && !defined(__APPLE__) && !defined(__ODROID__) && !defined(__EMSCRIPTEN__) #if defined(__WIN32__) if(glUnlockArraysEXT) #endif if(!glCaps_vertexBuffer && display.display3D.mesh) glUnlockArraysEXT(); #endif if(mesh) { OGLMesh oglMesh = mesh.data; // *** Vertex Stream *** GLEnableClientState(VERTICES); if(!display.display3D.collectingHits && oglMesh) { oglMesh.vertices.use(vertex, 3, (mesh.flags.doubleVertices ? GL_DOUBLE : GL_FLOAT), 0, oglMesh.vertices.buffer ? null : (double *)mesh.vertices); // *** Normals Stream *** if(mesh.normals || mesh.flags.normals) { GLEnableClientState(NORMALS); oglMesh.normals.use(normal, 3, GL_FLOAT, 0, oglMesh.normals.buffer ? null : mesh.normals); } else GLDisableClientState(NORMALS); // *** Texture Coordinates Stream *** if(mesh.texCoords || mesh.flags.texCoords1) { GLEnableClientState(TEXCOORDS); oglMesh.texCoords.use(texCoord, 2, GL_FLOAT, 0, oglMesh.texCoords.buffer ? null : mesh.texCoords); } else GLDisableClientState(TEXCOORDS); // *** Color Stream *** if(mesh.colors || mesh.flags.colors) { GLEnableClientState(COLORS); oglMesh.colors.use(color, 4, GL_FLOAT, 0, oglMesh.colors.buffer ? null : mesh.colors); } else GLDisableClientState(COLORS); } else { noAB.use(vertex, 3, (mesh.flags.doubleVertices ? GL_DOUBLE : GL_FLOAT), 0, (double *)mesh.vertices); if((mesh.normals || mesh.flags.normals) && !display.display3D.collectingHits) { GLEnableClientState(NORMALS); noAB.use(normal, 3, GL_FLOAT, 0, mesh.normals); } else GLDisableClientState(NORMALS); if((mesh.texCoords || mesh.flags.texCoords1) && !display.display3D.collectingHits) { GLEnableClientState(TEXCOORDS); noAB.use(texCoord, 2, GL_FLOAT, 0, mesh.texCoords); } else GLDisableClientState(TEXCOORDS); if((mesh.colors || mesh.flags.colors) && !display.display3D.collectingHits) { GLEnableClientState(COLORS); noAB.use(color, 4, GL_FLOAT, 0, mesh.colors); } else GLDisableClientState(COLORS); } #if !defined(__ANDROID__) && !defined(__APPLE__) && !defined(__ODROID__) && !defined(__EMSCRIPTEN__) #if defined(__WIN32__) if(glLockArraysEXT) #endif if(!glCaps_vertexBuffer) glLockArraysEXT(0, mesh.nVertices); #endif } } void DrawPrimitives(Display display, PrimitiveSingle * primitive, Mesh mesh) { if(primitive->type.vertexRange) { GLFlushMatrices(); glDrawArrays(getPrimitiveType(primitive->type.primitiveType), primitive->first, primitive->nVertices); } else { OGLIndices oglIndices = primitive->data; GLEAB eab = ((!display.display3D.collectingHits && oglIndices && glCaps_vertexBuffer) ? oglIndices.buffer : noEAB); if(!glCaps_intAndDouble && !glCaps_vertexBuffer && primitive->type.indices32bit) { uint16 * temp = new uint16[primitive->nIndices]; uint32 * src = (uint32 *)(oglIndices ? oglIndices.indices : primitive->indices); int i; for(i = 0; i < primitive->nIndices; i++) temp[i] = (uint16)src[i]; eab.draw(getPrimitiveType(primitive->type.primitiveType), primitive->nIndices, GL_UNSIGNED_SHORT, temp); delete temp; } else eab.draw(getPrimitiveType(primitive->type.primitiveType), primitive->nIndices, primitive->type.indices32bit ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, eab.buffer ? 0 : (oglIndices ? oglIndices.indices : primitive->indices)); GLABBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); } } void PushMatrix(Display display) { GLPushMatrix(); } void PopMatrix(Display display, bool setMatrix) { GLPopMatrix(); } void SetTransform(Display display, Matrix transMatrix, bool viewSpace, bool useCamera) { Matrix matrix = transMatrix; Camera camera = useCamera ? display.display3D.camera : null; if(viewSpace) { GLLoadIdentity(); GLScaled(1.0/nearPlane, 1.0/nearPlane, -1.0/nearPlane); } else if(camera) { GLTranslated( matrix.m[3][0] - camera.cPosition.x, matrix.m[3][1] - camera.cPosition.y, matrix.m[3][2] - camera.cPosition.z); } else GLTranslated( matrix.m[3][0], matrix.m[3][1], matrix.m[3][2]); matrix.m[3][0] = 0; matrix.m[3][1] = 0; matrix.m[3][2] = 0; GLMultMatrixd(matrix.array); } #endif } #if !defined(ECERE_NO3D) public void glshdMaterial(Material material, bool perVertexColor) { #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_setMaterial(material, perVertexColor); #endif } #endif public void glshdColorMaterial(ColorAlpha color, bool twoSided) { #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_setSimpleMaterial(color, twoSided); #endif } public void glshdPerVertexColor(bool perVertexColor) { #if ENABLE_GL_SHADERS if(glCaps_shaders) shader_setPerVertexColor(perVertexColor); #endif } public void UseSingleGLContext(bool useSingle) { useSingleGLContext = useSingle; } default dllexport void * #if defined(__WIN32__) __attribute__((stdcall)) #endif IS_GLGetContext(DisplaySystem displaySystem) { if(displaySystem) { #if defined(__WIN32__) OGLSystem system = displaySystem.driverData; return system.glrc; #elif defined(__ANDROID__) || defined(__ODROID__) return eglContext; #elif defined(__EMSCRIPTEN__) OGLSystem system = displaySystem.driverData; return (void *)system.glc; #else OGLSystem system = displaySystem.driverData; return system.glContext; #endif } return null; } #endif