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master
Allen Webster 2017-07-18 19:23:36 -04:00
parent 8b90f90480
commit b7dd4eb0a0
1 changed files with 94 additions and 97 deletions
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177
platform_win32/win32_4ed.cpp
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@ -674,112 +674,110 @@ OpenGLDebugCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsi
internal void internal void
Win32InitGL(){ Win32InitGL(){
// GL context initialization // GL context initialization
{ PIXELFORMATDESCRIPTOR format;
PIXELFORMATDESCRIPTOR format; format.nSize = sizeof(format);
format.nSize = sizeof(format); format.nVersion = 1;
format.nVersion = 1; format.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW;
format.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW; format.iPixelType = PFD_TYPE_RGBA;
format.iPixelType = PFD_TYPE_RGBA; format.cColorBits = 32;
format.cColorBits = 32; format.cRedBits = 0;
format.cRedBits = 0; format.cRedShift = 0;
format.cRedShift = 0; format.cGreenBits = 0;
format.cGreenBits = 0; format.cGreenShift = 0;
format.cGreenShift = 0; format.cBlueBits = 0;
format.cBlueBits = 0; format.cBlueShift = 0;
format.cBlueShift = 0; format.cAlphaBits = 0;
format.cAlphaBits = 0; format.cAlphaShift = 0;
format.cAlphaShift = 0; format.cAccumBits = 0;
format.cAccumBits = 0; format.cAccumRedBits = 0;
format.cAccumRedBits = 0; format.cAccumGreenBits = 0;
format.cAccumGreenBits = 0; format.cAccumBlueBits = 0;
format.cAccumBlueBits = 0; format.cAccumAlphaBits = 0;
format.cAccumAlphaBits = 0; format.cDepthBits = 24;
format.cDepthBits = 24; format.cStencilBits = 8;
format.cStencilBits = 8; format.cAuxBuffers = 0;
format.cAuxBuffers = 0; format.iLayerType = PFD_MAIN_PLANE;
format.iLayerType = PFD_MAIN_PLANE; format.bReserved = 0;
format.bReserved = 0; format.dwLayerMask = 0;
format.dwLayerMask = 0; format.dwVisibleMask = 0;
format.dwVisibleMask = 0; format.dwDamageMask = 0;
format.dwDamageMask = 0;
HDC dc = GetDC(win32vars.window_handle); HDC dc = GetDC(win32vars.window_handle);
Assert(dc); Assert(dc);
int format_id = ChoosePixelFormat(dc, &format); int format_id = ChoosePixelFormat(dc, &format);
Assert(format_id != 0); Assert(format_id != 0);
BOOL success = SetPixelFormat(dc, format_id, &format); BOOL success = SetPixelFormat(dc, format_id, &format);
Assert(success == TRUE); AllowLocal(success); Assert(success == TRUE); AllowLocal(success);
HGLRC glcontext = wglCreateContext(dc); HGLRC glcontext = wglCreateContext(dc);
wglMakeCurrent(dc, glcontext); wglMakeCurrent(dc, glcontext);
HMODULE module = LoadLibraryA("opengl32.dll"); HMODULE module = LoadLibraryA("opengl32.dll");
AllowLocal(module); AllowLocal(module);
wglCreateContextAttribsARB_Function *wglCreateContextAttribsARB = 0; wglCreateContextAttribsARB_Function *wglCreateContextAttribsARB = 0;
wglCreateContextAttribsARB = (wglCreateContextAttribsARB_Function*) wglCreateContextAttribsARB = (wglCreateContextAttribsARB_Function*)
win32_load_gl_always("wglCreateContextAttribsARB", module); win32_load_gl_always("wglCreateContextAttribsARB", module);
wglChoosePixelFormatARB_Function *wglChoosePixelFormatARB = 0; wglChoosePixelFormatARB_Function *wglChoosePixelFormatARB = 0;
wglChoosePixelFormatARB = (wglChoosePixelFormatARB_Function*) wglChoosePixelFormatARB = (wglChoosePixelFormatARB_Function*)
win32_load_gl_always("wglChoosePixelFormatARB", module); win32_load_gl_always("wglChoosePixelFormatARB", module);
if (wglCreateContextAttribsARB != 0 && wglChoosePixelFormatARB != 0){ if (wglCreateContextAttribsARB != 0 && wglChoosePixelFormatARB != 0){
const int choosePixel_attribList[] = const int choosePixel_attribList[] =
{ {
WGL_DRAW_TO_WINDOW_ARB, TRUE, WGL_DRAW_TO_WINDOW_ARB, TRUE,
WGL_SUPPORT_OPENGL_ARB, TRUE, WGL_SUPPORT_OPENGL_ARB, TRUE,
WGL_DOUBLE_BUFFER_ARB, GL_TRUE, WGL_DOUBLE_BUFFER_ARB, GL_TRUE,
WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB, WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB,
WGL_COLOR_BITS_ARB, 32, WGL_COLOR_BITS_ARB, 32,
WGL_DEPTH_BITS_ARB, 24, WGL_DEPTH_BITS_ARB, 24,
WGL_STENCIL_BITS_ARB, 8, WGL_STENCIL_BITS_ARB, 8,
0, 0,
};
i32 extended_format_id = 0;
u32 num_formats = 0;
BOOL result = wglChoosePixelFormatARB(dc, choosePixel_attribList, 0, 1, &extended_format_id, &num_formats);
if (result != 0 && num_formats > 0){
const int createContext_attribList[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
WGL_CONTEXT_MINOR_VERSION_ARB, 2,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
0
}; };
i32 extended_format_id = 0; if (extended_format_id == format_id){
u32 num_formats = 0; HGLRC extended_context = wglCreateContextAttribsARB(dc, 0, createContext_attribList);
BOOL result = wglChoosePixelFormatARB(dc, choosePixel_attribList, 0, 1, &extended_format_id, &num_formats); if (extended_context){
wglMakeCurrent(dc, extended_context);
if (result != 0 && num_formats > 0){ wglDeleteContext(glcontext);
const int createContext_attribList[] = { glcontext = extended_context;
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
WGL_CONTEXT_MINOR_VERSION_ARB, 2,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
0
};
if (extended_format_id == format_id){
HGLRC extended_context = wglCreateContextAttribsARB(dc, 0, createContext_attribList);
if (extended_context){
wglMakeCurrent(dc, extended_context);
wglDeleteContext(glcontext);
glcontext = extended_context;
}
} }
} }
} }
}
#if (defined(BUILD_X64) && 1) || (defined(BUILD_X86) && 0) #if (defined(BUILD_X64) && 1) || (defined(BUILD_X86) && 0)
#if defined(FRED_INTERNAL) #if defined(FRED_INTERNAL)
// NOTE(casey): This slows down GL but puts error messages to // NOTE(casey): This slows down GL but puts error messages to
// the debug console immediately whenever you do something wrong // the debug console immediately whenever you do something wrong
glDebugMessageCallback_type *glDebugMessageCallback = glDebugMessageCallback_type *glDebugMessageCallback =
(glDebugMessageCallback_type *)win32_load_gl_always("glDebugMessageCallback", module); (glDebugMessageCallback_type *)win32_load_gl_always("glDebugMessageCallback", module);
glDebugMessageControl_type *glDebugMessageControl = glDebugMessageControl_type *glDebugMessageControl =
(glDebugMessageControl_type *)win32_load_gl_always("glDebugMessageControl", module); (glDebugMessageControl_type *)win32_load_gl_always("glDebugMessageControl", module);
if(glDebugMessageCallback != 0 && glDebugMessageControl != 0) if(glDebugMessageCallback != 0 && glDebugMessageControl != 0)
{ {
glDebugMessageCallback(OpenGLDebugCallback, 0); glDebugMessageCallback(OpenGLDebugCallback, 0);
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_TRUE); glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_TRUE);
glEnable(GL_DEBUG_OUTPUT); glEnable(GL_DEBUG_OUTPUT);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
} }
#endif #endif
#endif #endif
ReleaseDC(win32vars.window_handle, dc); ReleaseDC(win32vars.window_handle, dc);
}
glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D);
glEnable(GL_SCISSOR_TEST); glEnable(GL_SCISSOR_TEST);
@ -1112,7 +1110,6 @@ WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdS
exit(1); exit(1);
} }
link_system_code(&sysfunc); link_system_code(&sysfunc);
Win32LoadRenderCode(); Win32LoadRenderCode();