mirror of
https://github.com/ClassiCube/ClassiCube.git
synced 2025-09-16 19:15:14 -04:00
Decouple window system from OpenGL context system
This commit is contained in:
UnknownShadow200
parent
dd0b35d1d5
commit
c7c552e27f
46
src/Core.h
46
src/Core.h
@ -80,43 +80,45 @@ typedef struct TextureRec_ { float U1, V1, U2, V2; } TextureRec;
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/*#define CC_BUILD_GL11*/
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#ifndef CC_BUILD_MANUAL
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#ifdef _WIN32
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#define CC_BUILD_D3D9
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#if defined _WIN32
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#define CC_BUILD_WIN
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#endif
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#ifdef __linux__
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#define CC_BUILD_D3D9
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#define CC_BUILD_WINGUI
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#define CC_BUILD_WGL
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#elif defined __linux__
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#define CC_BUILD_LINUX
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#define CC_BUILD_X11
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#define CC_BUILD_POSIX
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#endif
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#ifdef __APPLE__
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#define CC_BUILD_X11
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#define CC_BUILD_GLX
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#elif defined __APPLE__
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#define CC_BUILD_OSX
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#define CC_BUILD_POSIX
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#endif
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#ifdef __sun__
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#define CC_BUILD_CARBON
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#define CC_BUILD_AGL
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#elif defined __sun__
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#define CC_BUILD_SOLARIS
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#define CC_BUILD_X11
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#define CC_BUILD_POSIX
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#endif
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#ifdef __FreeBSD__
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#define CC_BUILD_X11
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#define CC_BUILD_GLX
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#elif defined __FreeBSD__
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#define CC_BUILD_FREEBSD
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#define CC_BUILD_X11
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#define CC_BUILD_POSIX
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#endif
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#ifdef __OpenBSD__
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#define CC_BUILD_X11
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#define CC_BUILD_GLX
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#elif defined __OpenBSD__
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#define CC_BUILD_OPENBSD
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#define CC_BUILD_X11
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#define CC_BUILD_POSIX
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#endif
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#ifdef __NetBSD__
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#define CC_BUILD_X11
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#define CC_BUILD_GLX
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#elif defined __NetBSD__
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#define CC_BUILD_NETBSD
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#define CC_BUILD_POSIX
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#define CC_BUILD_X11
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#define CC_BUILD_POSIX
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#endif
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#ifdef __EMSCRIPTEN__
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#define CC_BUILD_GLX
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#elif defined __EMSCRIPTEN__
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#define CC_BUILD_WEB
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#define CC_BUILD_SDL
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#define CC_BUILD_POSIX
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#define CC_BUILD_SDL
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#define CC_BUILD_GLMODERN
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#error "Web backend is still a WIP. Please do not publicly mention it, thanks."
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#endif
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@ -1225,7 +1225,7 @@ void Gfx_DeleteIb(GfxResourceID* ib) {
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void Gfx_SetDynamicVbData(GfxResourceID vb, void* vertices, int vCount) {
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uint32_t size = vCount * gfx_batchStride;
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_glBindBuffer(GL_ARRAY_BUFFER, vb);
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_glBindBuffer(GL_ARRAY_BUFFER, (GLuint)vb);
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_glBufferSubData(GL_ARRAY_BUFFER, 0, size, vertices);
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}
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#endif
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839
src/Window.c
839
src/Window.c
@ -95,7 +95,7 @@ void GraphicsMode_MakeDefault(struct GraphicsMode* m) {
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/*########################################################################################################################*
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*------------------------------------------------------Win32 window-------------------------------------------------------*
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*#########################################################################################################################*/
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#ifdef CC_BUILD_WIN
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#ifdef CC_BUILD_WINGUI
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#define WIN32_LEAN_AND_MEAN
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#define NOSERVICE
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#define NOMCX
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@ -655,90 +655,6 @@ void Window_DrawRaw(Rect2D r) {
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BOOL success = BitBlt(win_DC, r.X, r.Y, r.Width, r.Height, draw_DC, r.X, r.Y, SRCCOPY);
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SelectObject(draw_DC, oldSrc);
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}
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/*########################################################################################################################*
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*-----------------------------------------------------OpenGL context------------------------------------------------------*
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*#########################################################################################################################*/
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#ifndef CC_BUILD_D3D9
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void GLContext_SelectGraphicsMode(struct GraphicsMode* mode) {
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PIXELFORMATDESCRIPTOR pfd = { 0 };
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pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW | PFD_DOUBLEBUFFER;
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/* TODO: PFD_SUPPORT_COMPOSITION FLAG? CHECK IF IT WORKS ON XP */
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pfd.cColorBits = mode->R + mode->G + mode->B;
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pfd.iPixelType = mode->IsIndexed ? PFD_TYPE_COLORINDEX : PFD_TYPE_RGBA;
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pfd.cRedBits = mode->R;
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pfd.cGreenBits = mode->G;
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pfd.cBlueBits = mode->B;
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pfd.cAlphaBits = mode->A;
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pfd.cDepthBits = mode->DepthBits;
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pfd.cStencilBits = mode->StencilBits;
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int modeIndex = ChoosePixelFormat(win_DC, &pfd);
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if (modeIndex == 0) { Logger_Abort("Requested graphics mode not available"); }
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Mem_Set(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
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pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
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pfd.nVersion = 1;
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DescribePixelFormat(win_DC, modeIndex, pfd.nSize, &pfd);
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if (!SetPixelFormat(win_DC, modeIndex, &pfd)) {
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Logger_Abort2(GetLastError(), "SetPixelFormat failed");
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}
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}
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static HGLRC ctx_Handle;
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static HDC ctx_DC;
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typedef BOOL (WINAPI *FN_WGLSWAPINTERVAL)(int interval);
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static FN_WGLSWAPINTERVAL wglSwapIntervalEXT;
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static bool ctx_supports_vSync;
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void GLContext_Init(struct GraphicsMode* mode) {
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GLContext_SelectGraphicsMode(mode);
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ctx_Handle = wglCreateContext(win_DC);
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if (!ctx_Handle) {
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ctx_Handle = wglCreateContext(win_DC);
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}
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if (!ctx_Handle) {
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Logger_Abort2(GetLastError(), "Failed to create OpenGL context");
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}
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if (!wglMakeCurrent(win_DC, ctx_Handle)) {
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Logger_Abort2(GetLastError(), "Failed to make OpenGL context current");
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}
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ctx_DC = wglGetCurrentDC();
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wglSwapIntervalEXT = (FN_WGLSWAPINTERVAL)GLContext_GetAddress("wglSwapIntervalEXT");
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ctx_supports_vSync = wglSwapIntervalEXT != NULL;
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}
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void GLContext_Update(void) { }
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void GLContext_Free(void) {
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if (!wglDeleteContext(ctx_Handle)) {
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Logger_Abort2(GetLastError(), "Failed to destroy OpenGL context");
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}
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ctx_Handle = NULL;
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}
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void* GLContext_GetAddress(const char* function) {
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void* address = wglGetProcAddress(function);
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return GLContext_IsInvalidAddress(address) ? NULL : address;
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}
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void GLContext_SwapBuffers(void) {
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if (!SwapBuffers(ctx_DC)) {
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Logger_Abort2(GetLastError(), "Failed to swap buffers");
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}
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}
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void GLContext_SetVSync(bool enabled) {
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if (ctx_supports_vSync) wglSwapIntervalEXT(enabled);
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}
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#endif
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#endif
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@ -747,7 +663,6 @@ void GLContext_SetVSync(bool enabled) {
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*#########################################################################################################################*/
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#ifdef CC_BUILD_X11
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#include <X11/Xlib.h>
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#include <GL/glx.h>
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#define _NET_WM_STATE_REMOVE 0
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#define _NET_WM_STATE_ADD 1
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@ -1635,150 +1550,13 @@ void Window_DrawRaw(Rect2D r) {
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XPutImage(win_display, win_handle, win_gc, win_image,
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r.X, r.Y, r.X, r.Y, r.Width, r.Height);
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}
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/*########################################################################################################################*
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*-----------------------------------------------------OpenGL context------------------------------------------------------*
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*#########################################################################################################################*/
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static GLXContext ctx_Handle;
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typedef int (*FN_GLXSWAPINTERVAL)(int interval);
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static FN_GLXSWAPINTERVAL swapIntervalMESA, swapIntervalSGI;
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static bool ctx_supports_vSync;
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void GLContext_Init(struct GraphicsMode* mode) {
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const static String ext_mesa = String_FromConst("GLX_MESA_swap_control");
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const static String ext_sgi = String_FromConst("GLX_SGI_swap_control");
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const char* raw_exts;
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String exts;
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ctx_Handle = glXCreateContext(win_display, &win_visual, NULL, true);
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if (!ctx_Handle) {
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Platform_LogConst("Context create failed. Trying indirect...");
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ctx_Handle = glXCreateContext(win_display, &win_visual, NULL, false);
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}
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if (!ctx_Handle) Logger_Abort("Failed to create OpenGL context");
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if (!glXIsDirect(win_display, ctx_Handle)) {
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Platform_LogConst("== WARNING: Context is not direct ==");
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}
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if (!glXMakeCurrent(win_display, win_handle, ctx_Handle)) {
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Logger_Abort("Failed to make OpenGL context current.");
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}
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/* GLX may return non-null function pointers that don't actually work */
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/* So we need to manually check the extensions string for support */
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raw_exts = glXQueryExtensionsString(win_display, win_screen);
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exts = String_FromReadonly(raw_exts);
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if (String_CaselessContains(&exts, &ext_mesa)) {
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swapIntervalMESA = (FN_GLXSWAPINTERVAL)GLContext_GetAddress("glXSwapIntervalMESA");
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}
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if (String_CaselessContains(&exts, &ext_sgi)) {
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swapIntervalSGI = (FN_GLXSWAPINTERVAL)GLContext_GetAddress("glXSwapIntervalSGI");
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}
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ctx_supports_vSync = swapIntervalMESA || swapIntervalSGI;
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}
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void GLContext_Update(void) { }
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void GLContext_Free(void) {
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if (!ctx_Handle) return;
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if (glXGetCurrentContext() == ctx_Handle) {
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glXMakeCurrent(win_display, None, NULL);
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}
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glXDestroyContext(win_display, ctx_Handle);
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ctx_Handle = NULL;
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}
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void* GLContext_GetAddress(const char* function) {
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void* address = glXGetProcAddress(function);
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return GLContext_IsInvalidAddress(address) ? NULL : address;
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}
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void GLContext_SwapBuffers(void) {
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glXSwapBuffers(win_display, win_handle);
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}
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void GLContext_SetVSync(bool enabled) {
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int res;
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if (!ctx_supports_vSync) return;
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if (swapIntervalMESA) {
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res = swapIntervalMESA(enabled);
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} else {
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res = swapIntervalSGI(enabled);
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}
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if (res) Platform_Log1("Set VSync failed, error: %i", &res);
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}
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static void GLContext_GetAttribs(struct GraphicsMode* mode, int* attribs) {
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int i = 0;
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/* See http://www-01.ibm.com/support/knowledgecenter/ssw_aix_61/com.ibm.aix.opengl/doc/openglrf/glXChooseFBConfig.htm%23glxchoosefbconfig */
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/* See http://www-01.ibm.com/support/knowledgecenter/ssw_aix_71/com.ibm.aix.opengl/doc/openglrf/glXChooseVisual.htm%23b5c84be452rree */
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/* for the attribute declarations. Note that the attributes are different than those used in glxChooseVisual */
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if (!mode->IsIndexed) { attribs[i++] = GLX_RGBA; }
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attribs[i++] = GLX_RED_SIZE; attribs[i++] = mode->R;
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attribs[i++] = GLX_GREEN_SIZE; attribs[i++] = mode->G;
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attribs[i++] = GLX_BLUE_SIZE; attribs[i++] = mode->B;
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attribs[i++] = GLX_ALPHA_SIZE; attribs[i++] = mode->A;
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if (mode->DepthBits) {
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attribs[i++] = GLX_DEPTH_SIZE; attribs[i++] = mode->DepthBits;
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}
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if (mode->StencilBits) {
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attribs[i++] = GLX_STENCIL_SIZE; attribs[i++] = mode->StencilBits;
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}
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attribs[i++] = GLX_DOUBLEBUFFER;
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attribs[i++] = 0;
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}
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static XVisualInfo GLContext_SelectVisual(struct GraphicsMode* mode) {
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int attribs[20];
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int major, minor;
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XVisualInfo* visual = NULL;
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int fbcount;
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GLXFBConfig* fbconfigs;
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XVisualInfo info;
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GLContext_GetAttribs(mode, attribs);
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if (!glXQueryVersion(win_display, &major, &minor)) {
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Logger_Abort("glXQueryVersion failed");
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}
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if (major >= 1 && minor >= 3) {
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/* ChooseFBConfig returns an array of GLXFBConfig opaque structures */
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fbconfigs = glXChooseFBConfig(win_display, win_screen, attribs, &fbcount);
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if (fbconfigs && fbcount) {
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/* Use the first GLXFBConfig from the fbconfigs array (best match) */
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visual = glXGetVisualFromFBConfig(win_display, *fbconfigs);
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XFree(fbconfigs);
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}
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}
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if (!visual) {
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Platform_LogConst("Falling back to glXChooseVisual.");
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visual = glXChooseVisual(win_display, win_screen, attribs);
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}
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if (!visual) {
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Logger_Abort("Requested GraphicsMode not available.");
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}
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info = *visual;
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XFree(visual);
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return info;
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}
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#endif
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/*########################################################################################################################*
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*------------------------------------------------------Carbon window------------------------------------------------------*
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*#########################################################################################################################*/
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#ifdef CC_BUILD_OSX
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#include <AGL/agl.h>
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#ifdef CC_BUILD_CARBON
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#include <ApplicationServices/ApplicationServices.h>
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static WindowRef win_handle;
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@ -2402,179 +2180,6 @@ void Window_DrawRaw(Rect2D r) {
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CGImageRelease(win_image);
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CGDataProviderRelease(provider);
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}
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/*########################################################################################################################*
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*-----------------------------------------------------OpenGL context------------------------------------------------------*
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*#########################################################################################################################*/
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static AGLContext ctx_handle;
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static bool ctx_fullscreen, ctx_firstFullscreen;
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static Rect2D ctx_windowedBounds;
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static void GLContext_Check(int code, const char* place) {
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ReturnCode res;
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if (code) return;
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res = aglGetError();
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if (res) Logger_Abort2(res, place);
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}
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static void GLContext_MakeCurrent(void) {
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int code = aglSetCurrentContext(ctx_handle);
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GLContext_Check(code, "Setting GL context");
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}
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static void GLContext_SetDrawable(void) {
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CGrafPtr windowPort = GetWindowPort(win_handle);
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int code = aglSetDrawable(ctx_handle, windowPort);
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GLContext_Check(code, "Attaching GL context");
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}
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static void GLContext_GetAttribs(struct GraphicsMode* mode, int* attribs, bool fullscreen) {
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int i = 0;
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if (!mode->IsIndexed) { attribs[i++] = AGL_RGBA; }
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attribs[i++] = AGL_RED_SIZE; attribs[i++] = mode->R;
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attribs[i++] = AGL_GREEN_SIZE; attribs[i++] = mode->G;
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attribs[i++] = AGL_BLUE_SIZE; attribs[i++] = mode->B;
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attribs[i++] = AGL_ALPHA_SIZE; attribs[i++] = mode->A;
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if (mode->DepthBits) {
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attribs[i++] = AGL_DEPTH_SIZE; attribs[i++] = mode->DepthBits;
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}
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if (mode->StencilBits) {
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attribs[i++] = AGL_STENCIL_SIZE; attribs[i++] = mode->StencilBits;
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}
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attribs[i++] = AGL_DOUBLEBUFFER;
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if (fullscreen) { attribs[i++] = AGL_FULLSCREEN; }
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attribs[i++] = 0;
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}
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static void GLContext_UnsetFullscreen(void) {
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int code;
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Platform_LogConst("Unsetting AGL fullscreen.");
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code = aglSetDrawable(ctx_handle, NULL);
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GLContext_Check(code, "Unattaching GL context");
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code = aglUpdateContext(ctx_handle);
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GLContext_Check(code, "Updating GL context (from Fullscreen)");
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CGDisplayRelease(CGMainDisplayID());
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GLContext_SetDrawable();
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ctx_fullscreen = false;
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Window_UpdateWindowState();
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Window_SetSize(ctx_windowedBounds.Width, ctx_windowedBounds.Height);
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}
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static void GLContext_SetFullscreen(void) {
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int displayWidth = Display_Bounds.Width;
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int displayHeight = Display_Bounds.Height;
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int code;
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Platform_LogConst("Switching to AGL fullscreen");
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CGDisplayCapture(CGMainDisplayID());
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code = aglSetFullScreen(ctx_handle, displayWidth, displayHeight, 0, 0);
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GLContext_Check(code, "aglSetFullScreen");
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GLContext_MakeCurrent();
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/* This is a weird hack to workaround a bug where the first time a context */
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/* is made fullscreen, we just end up with a blank screen. So we undo it as fullscreen */
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/* and redo it as fullscreen. */
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if (!ctx_firstFullscreen) {
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ctx_firstFullscreen = true;
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GLContext_UnsetFullscreen();
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GLContext_SetFullscreen();
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return;
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}
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ctx_fullscreen = true;
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ctx_windowedBounds = Window_ClientBounds;
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Window_ClientBounds = Display_Bounds;
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Window_Bounds = Display_Bounds;
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win_state = WINDOW_STATE_FULLSCREEN;
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}
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void GLContext_Init(struct GraphicsMode* mode) {
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int attribs[20];
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AGLPixelFormat fmt;
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GDHandle gdevice;
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OSStatus res;
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/* Initially try creating fullscreen compatible context */
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res = DMGetGDeviceByDisplayID(CGMainDisplayID(), &gdevice, false);
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if (res) Logger_Abort2(res, "Getting display device failed");
|
||||
|
||||
GLContext_GetAttribs(mode, attribs, true);
|
||||
fmt = aglChoosePixelFormat(&gdevice, 1, attribs);
|
||||
res = aglGetError();
|
||||
|
||||
/* Try again with non-compatible context if that fails */
|
||||
if (!fmt || res == AGL_BAD_PIXELFMT) {
|
||||
Platform_LogConst("Failed to create full screen pixel format.");
|
||||
Platform_LogConst("Trying again to create a non-fullscreen pixel format.");
|
||||
|
||||
GLContext_GetAttribs(mode, attribs, false);
|
||||
fmt = aglChoosePixelFormat(NULL, 0, attribs);
|
||||
res = aglGetError();
|
||||
}
|
||||
if (res) Logger_Abort2(res, "Choosing pixel format");
|
||||
|
||||
ctx_handle = aglCreateContext(fmt, NULL);
|
||||
GLContext_Check(0, "Creating GL context");
|
||||
|
||||
aglDestroyPixelFormat(fmt);
|
||||
GLContext_Check(0, "Destroying pixel format");
|
||||
|
||||
GLContext_SetDrawable();
|
||||
GLContext_Update();
|
||||
GLContext_MakeCurrent();
|
||||
}
|
||||
|
||||
void GLContext_Update(void) {
|
||||
if (ctx_pendingFullscreen) {
|
||||
ctx_pendingFullscreen = false;
|
||||
GLContext_SetFullscreen();
|
||||
return;
|
||||
} else if (ctx_pendingWindowed) {
|
||||
ctx_pendingWindowed = false;
|
||||
GLContext_UnsetFullscreen();
|
||||
}
|
||||
|
||||
if (ctx_fullscreen) return;
|
||||
GLContext_SetDrawable();
|
||||
aglUpdateContext(ctx_handle);
|
||||
}
|
||||
|
||||
void GLContext_Free(void) {
|
||||
int code;
|
||||
if (!ctx_handle) return;
|
||||
|
||||
code = aglSetCurrentContext(NULL);
|
||||
GLContext_Check(code, "Unsetting GL context");
|
||||
|
||||
code = aglDestroyContext(ctx_handle);
|
||||
GLContext_Check(code, "Destroying GL context");
|
||||
ctx_handle = NULL;
|
||||
}
|
||||
|
||||
void* GLContext_GetAddress(const char* function) {
|
||||
void* address = DynamicLib_GetFrom("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", function);
|
||||
return GLContext_IsInvalidAddress(address) ? NULL : address;
|
||||
}
|
||||
|
||||
void GLContext_SwapBuffers(void) {
|
||||
aglSwapBuffers(ctx_handle);
|
||||
GLContext_Check(0, "Swapping buffers");
|
||||
}
|
||||
|
||||
void GLContext_SetVSync(bool enabled) {
|
||||
int value = enabled ? 1 : 0;
|
||||
aglSetInteger(ctx_handle, AGL_SWAP_INTERVAL, &value);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
@ -2910,8 +2515,432 @@ void Window_DrawRaw(Rect2D r) {
|
||||
SDL_UpdateWindowSurfaceRects(win_handle, &rect, 1);
|
||||
}
|
||||
|
||||
void Window_EnableRawMouse(void) {
|
||||
Window_RegrabMouse();
|
||||
SDL_SetRelativeMouseMode(true);
|
||||
win_rawMouse = true;
|
||||
}
|
||||
|
||||
void Window_UpdateRawMouse(void) {
|
||||
Window_CentreMousePosition();
|
||||
}
|
||||
|
||||
void Window_DisableRawMouse(void) {
|
||||
Window_RegrabMouse();
|
||||
SDL_SetRelativeMouseMode(false);
|
||||
win_rawMouse = false;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#ifndef CC_BUILD_D3D9
|
||||
/*########################################################################################################################*
|
||||
*-------------------------------------------------------WGL OpenGL--------------------------------------------------------*
|
||||
*#########################################################################################################################*/
|
||||
#ifdef CC_BUILD_WGL
|
||||
static HGLRC ctx_Handle;
|
||||
static HDC ctx_DC;
|
||||
typedef BOOL (WINAPI *FN_WGLSWAPINTERVAL)(int interval);
|
||||
static FN_WGLSWAPINTERVAL wglSwapIntervalEXT;
|
||||
static bool ctx_supports_vSync;
|
||||
|
||||
static void GLContext_SelectGraphicsMode(struct GraphicsMode* mode) {
|
||||
PIXELFORMATDESCRIPTOR pfd = { 0 };
|
||||
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
|
||||
pfd.nVersion = 1;
|
||||
pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW | PFD_DOUBLEBUFFER;
|
||||
/* TODO: PFD_SUPPORT_COMPOSITION FLAG? CHECK IF IT WORKS ON XP */
|
||||
pfd.cColorBits = mode->R + mode->G + mode->B;
|
||||
|
||||
pfd.iPixelType = mode->IsIndexed ? PFD_TYPE_COLORINDEX : PFD_TYPE_RGBA;
|
||||
pfd.cRedBits = mode->R;
|
||||
pfd.cGreenBits = mode->G;
|
||||
pfd.cBlueBits = mode->B;
|
||||
pfd.cAlphaBits = mode->A;
|
||||
|
||||
pfd.cDepthBits = mode->DepthBits;
|
||||
pfd.cStencilBits = mode->StencilBits;
|
||||
|
||||
int modeIndex = ChoosePixelFormat(win_DC, &pfd);
|
||||
if (modeIndex == 0) { Logger_Abort("Requested graphics mode not available"); }
|
||||
|
||||
Mem_Set(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
|
||||
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
|
||||
pfd.nVersion = 1;
|
||||
|
||||
DescribePixelFormat(win_DC, modeIndex, pfd.nSize, &pfd);
|
||||
if (!SetPixelFormat(win_DC, modeIndex, &pfd)) {
|
||||
Logger_Abort2(GetLastError(), "SetPixelFormat failed");
|
||||
}
|
||||
}
|
||||
|
||||
void GLContext_Init(struct GraphicsMode* mode) {
|
||||
GLContext_SelectGraphicsMode(mode);
|
||||
ctx_Handle = wglCreateContext(win_DC);
|
||||
if (!ctx_Handle) {
|
||||
ctx_Handle = wglCreateContext(win_DC);
|
||||
}
|
||||
if (!ctx_Handle) {
|
||||
Logger_Abort2(GetLastError(), "Failed to create OpenGL context");
|
||||
}
|
||||
|
||||
if (!wglMakeCurrent(win_DC, ctx_Handle)) {
|
||||
Logger_Abort2(GetLastError(), "Failed to make OpenGL context current");
|
||||
}
|
||||
|
||||
ctx_DC = wglGetCurrentDC();
|
||||
wglSwapIntervalEXT = (FN_WGLSWAPINTERVAL)GLContext_GetAddress("wglSwapIntervalEXT");
|
||||
ctx_supports_vSync = wglSwapIntervalEXT != NULL;
|
||||
}
|
||||
|
||||
void GLContext_Update(void) { }
|
||||
void GLContext_Free(void) {
|
||||
if (!wglDeleteContext(ctx_Handle)) {
|
||||
Logger_Abort2(GetLastError(), "Failed to destroy OpenGL context");
|
||||
}
|
||||
ctx_Handle = NULL;
|
||||
}
|
||||
|
||||
void* GLContext_GetAddress(const char* function) {
|
||||
void* address = wglGetProcAddress(function);
|
||||
return GLContext_IsInvalidAddress(address) ? NULL : address;
|
||||
}
|
||||
|
||||
void GLContext_SwapBuffers(void) {
|
||||
if (!SwapBuffers(ctx_DC)) {
|
||||
Logger_Abort2(GetLastError(), "Failed to swap buffers");
|
||||
}
|
||||
}
|
||||
|
||||
void GLContext_SetVSync(bool enabled) {
|
||||
if (ctx_supports_vSync) wglSwapIntervalEXT(enabled);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/*########################################################################################################################*
|
||||
*-------------------------------------------------------glX OpenGL--------------------------------------------------------*
|
||||
*#########################################################################################################################*/
|
||||
#ifdef CC_BUILD_GLX
|
||||
#include <GL/glx.h>
|
||||
static GLXContext ctx_Handle;
|
||||
typedef int (*FN_GLXSWAPINTERVAL)(int interval);
|
||||
static FN_GLXSWAPINTERVAL swapIntervalMESA, swapIntervalSGI;
|
||||
static bool ctx_supports_vSync;
|
||||
|
||||
void GLContext_Init(struct GraphicsMode* mode) {
|
||||
const static String ext_mesa = String_FromConst("GLX_MESA_swap_control");
|
||||
const static String ext_sgi = String_FromConst("GLX_SGI_swap_control");
|
||||
|
||||
const char* raw_exts;
|
||||
String exts;
|
||||
ctx_Handle = glXCreateContext(win_display, &win_visual, NULL, true);
|
||||
|
||||
if (!ctx_Handle) {
|
||||
Platform_LogConst("Context create failed. Trying indirect...");
|
||||
ctx_Handle = glXCreateContext(win_display, &win_visual, NULL, false);
|
||||
}
|
||||
if (!ctx_Handle) Logger_Abort("Failed to create OpenGL context");
|
||||
|
||||
if (!glXIsDirect(win_display, ctx_Handle)) {
|
||||
Platform_LogConst("== WARNING: Context is not direct ==");
|
||||
}
|
||||
if (!glXMakeCurrent(win_display, win_handle, ctx_Handle)) {
|
||||
Logger_Abort("Failed to make OpenGL context current.");
|
||||
}
|
||||
|
||||
/* GLX may return non-null function pointers that don't actually work */
|
||||
/* So we need to manually check the extensions string for support */
|
||||
raw_exts = glXQueryExtensionsString(win_display, win_screen);
|
||||
exts = String_FromReadonly(raw_exts);
|
||||
|
||||
if (String_CaselessContains(&exts, &ext_mesa)) {
|
||||
swapIntervalMESA = (FN_GLXSWAPINTERVAL)GLContext_GetAddress("glXSwapIntervalMESA");
|
||||
}
|
||||
if (String_CaselessContains(&exts, &ext_sgi)) {
|
||||
swapIntervalSGI = (FN_GLXSWAPINTERVAL)GLContext_GetAddress("glXSwapIntervalSGI");
|
||||
}
|
||||
ctx_supports_vSync = swapIntervalMESA || swapIntervalSGI;
|
||||
}
|
||||
|
||||
void GLContext_Update(void) { }
|
||||
void GLContext_Free(void) {
|
||||
if (!ctx_Handle) return;
|
||||
|
||||
if (glXGetCurrentContext() == ctx_Handle) {
|
||||
glXMakeCurrent(win_display, None, NULL);
|
||||
}
|
||||
glXDestroyContext(win_display, ctx_Handle);
|
||||
ctx_Handle = NULL;
|
||||
}
|
||||
|
||||
void* GLContext_GetAddress(const char* function) {
|
||||
void* address = glXGetProcAddress(function);
|
||||
return GLContext_IsInvalidAddress(address) ? NULL : address;
|
||||
}
|
||||
|
||||
void GLContext_SwapBuffers(void) {
|
||||
glXSwapBuffers(win_display, win_handle);
|
||||
}
|
||||
|
||||
void GLContext_SetVSync(bool enabled) {
|
||||
int res;
|
||||
if (!ctx_supports_vSync) return;
|
||||
|
||||
if (swapIntervalMESA) {
|
||||
res = swapIntervalMESA(enabled);
|
||||
} else {
|
||||
res = swapIntervalSGI(enabled);
|
||||
}
|
||||
if (res) Platform_Log1("Set VSync failed, error: %i", &res);
|
||||
}
|
||||
|
||||
static void GLContext_GetAttribs(struct GraphicsMode* mode, int* attribs) {
|
||||
int i = 0;
|
||||
/* See http://www-01.ibm.com/support/knowledgecenter/ssw_aix_61/com.ibm.aix.opengl/doc/openglrf/glXChooseFBConfig.htm%23glxchoosefbconfig */
|
||||
/* See http://www-01.ibm.com/support/knowledgecenter/ssw_aix_71/com.ibm.aix.opengl/doc/openglrf/glXChooseVisual.htm%23b5c84be452rree */
|
||||
/* for the attribute declarations. Note that the attributes are different than those used in glxChooseVisual */
|
||||
|
||||
if (!mode->IsIndexed) { attribs[i++] = GLX_RGBA; }
|
||||
attribs[i++] = GLX_RED_SIZE; attribs[i++] = mode->R;
|
||||
attribs[i++] = GLX_GREEN_SIZE; attribs[i++] = mode->G;
|
||||
attribs[i++] = GLX_BLUE_SIZE; attribs[i++] = mode->B;
|
||||
attribs[i++] = GLX_ALPHA_SIZE; attribs[i++] = mode->A;
|
||||
|
||||
if (mode->DepthBits) {
|
||||
attribs[i++] = GLX_DEPTH_SIZE; attribs[i++] = mode->DepthBits;
|
||||
}
|
||||
if (mode->StencilBits) {
|
||||
attribs[i++] = GLX_STENCIL_SIZE; attribs[i++] = mode->StencilBits;
|
||||
}
|
||||
|
||||
attribs[i++] = GLX_DOUBLEBUFFER;
|
||||
attribs[i++] = 0;
|
||||
}
|
||||
|
||||
static XVisualInfo GLContext_SelectVisual(struct GraphicsMode* mode) {
|
||||
int attribs[20];
|
||||
int major, minor;
|
||||
XVisualInfo* visual = NULL;
|
||||
|
||||
int fbcount;
|
||||
GLXFBConfig* fbconfigs;
|
||||
XVisualInfo info;
|
||||
|
||||
GLContext_GetAttribs(mode, attribs);
|
||||
if (!glXQueryVersion(win_display, &major, &minor)) {
|
||||
Logger_Abort("glXQueryVersion failed");
|
||||
}
|
||||
|
||||
if (major >= 1 && minor >= 3) {
|
||||
/* ChooseFBConfig returns an array of GLXFBConfig opaque structures */
|
||||
fbconfigs = glXChooseFBConfig(win_display, win_screen, attribs, &fbcount);
|
||||
if (fbconfigs && fbcount) {
|
||||
/* Use the first GLXFBConfig from the fbconfigs array (best match) */
|
||||
visual = glXGetVisualFromFBConfig(win_display, *fbconfigs);
|
||||
XFree(fbconfigs);
|
||||
}
|
||||
}
|
||||
|
||||
if (!visual) {
|
||||
Platform_LogConst("Falling back to glXChooseVisual.");
|
||||
visual = glXChooseVisual(win_display, win_screen, attribs);
|
||||
}
|
||||
if (!visual) {
|
||||
Logger_Abort("Requested GraphicsMode not available.");
|
||||
}
|
||||
|
||||
info = *visual;
|
||||
XFree(visual);
|
||||
return info;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/*########################################################################################################################*
|
||||
*-------------------------------------------------------AGL OpenGL--------------------------------------------------------*
|
||||
*#########################################################################################################################*/
|
||||
#ifdef CC_BUILD_AGL
|
||||
#include <AGL/agl.h>
|
||||
|
||||
static AGLContext ctx_handle;
|
||||
static bool ctx_fullscreen, ctx_firstFullscreen;
|
||||
static Rect2D ctx_windowedBounds;
|
||||
|
||||
static void GLContext_Check(int code, const char* place) {
|
||||
ReturnCode res;
|
||||
if (code) return;
|
||||
|
||||
res = aglGetError();
|
||||
if (res) Logger_Abort2(res, place);
|
||||
}
|
||||
|
||||
static void GLContext_MakeCurrent(void) {
|
||||
int code = aglSetCurrentContext(ctx_handle);
|
||||
GLContext_Check(code, "Setting GL context");
|
||||
}
|
||||
|
||||
static void GLContext_SetDrawable(void) {
|
||||
CGrafPtr windowPort = GetWindowPort(win_handle);
|
||||
int code = aglSetDrawable(ctx_handle, windowPort);
|
||||
GLContext_Check(code, "Attaching GL context");
|
||||
}
|
||||
|
||||
static void GLContext_GetAttribs(struct GraphicsMode* mode, int* attribs, bool fullscreen) {
|
||||
int i = 0;
|
||||
|
||||
if (!mode->IsIndexed) { attribs[i++] = AGL_RGBA; }
|
||||
attribs[i++] = AGL_RED_SIZE; attribs[i++] = mode->R;
|
||||
attribs[i++] = AGL_GREEN_SIZE; attribs[i++] = mode->G;
|
||||
attribs[i++] = AGL_BLUE_SIZE; attribs[i++] = mode->B;
|
||||
attribs[i++] = AGL_ALPHA_SIZE; attribs[i++] = mode->A;
|
||||
|
||||
if (mode->DepthBits) {
|
||||
attribs[i++] = AGL_DEPTH_SIZE; attribs[i++] = mode->DepthBits;
|
||||
}
|
||||
if (mode->StencilBits) {
|
||||
attribs[i++] = AGL_STENCIL_SIZE; attribs[i++] = mode->StencilBits;
|
||||
}
|
||||
|
||||
attribs[i++] = AGL_DOUBLEBUFFER;
|
||||
if (fullscreen) { attribs[i++] = AGL_FULLSCREEN; }
|
||||
attribs[i++] = 0;
|
||||
}
|
||||
|
||||
static void GLContext_UnsetFullscreen(void) {
|
||||
int code;
|
||||
Platform_LogConst("Unsetting AGL fullscreen.");
|
||||
|
||||
code = aglSetDrawable(ctx_handle, NULL);
|
||||
GLContext_Check(code, "Unattaching GL context");
|
||||
code = aglUpdateContext(ctx_handle);
|
||||
GLContext_Check(code, "Updating GL context (from Fullscreen)");
|
||||
|
||||
CGDisplayRelease(CGMainDisplayID());
|
||||
GLContext_SetDrawable();
|
||||
|
||||
ctx_fullscreen = false;
|
||||
Window_UpdateWindowState();
|
||||
Window_SetSize(ctx_windowedBounds.Width, ctx_windowedBounds.Height);
|
||||
}
|
||||
|
||||
static void GLContext_SetFullscreen(void) {
|
||||
int displayWidth = Display_Bounds.Width;
|
||||
int displayHeight = Display_Bounds.Height;
|
||||
int code;
|
||||
|
||||
Platform_LogConst("Switching to AGL fullscreen");
|
||||
CGDisplayCapture(CGMainDisplayID());
|
||||
|
||||
code = aglSetFullScreen(ctx_handle, displayWidth, displayHeight, 0, 0);
|
||||
GLContext_Check(code, "aglSetFullScreen");
|
||||
GLContext_MakeCurrent();
|
||||
|
||||
/* This is a weird hack to workaround a bug where the first time a context */
|
||||
/* is made fullscreen, we just end up with a blank screen. So we undo it as fullscreen */
|
||||
/* and redo it as fullscreen. */
|
||||
if (!ctx_firstFullscreen) {
|
||||
ctx_firstFullscreen = true;
|
||||
GLContext_UnsetFullscreen();
|
||||
GLContext_SetFullscreen();
|
||||
return;
|
||||
}
|
||||
|
||||
ctx_fullscreen = true;
|
||||
ctx_windowedBounds = Window_ClientBounds;
|
||||
|
||||
Window_ClientBounds = Display_Bounds;
|
||||
Window_Bounds = Display_Bounds;
|
||||
win_state = WINDOW_STATE_FULLSCREEN;
|
||||
}
|
||||
|
||||
void GLContext_Init(struct GraphicsMode* mode) {
|
||||
int attribs[20];
|
||||
AGLPixelFormat fmt;
|
||||
GDHandle gdevice;
|
||||
OSStatus res;
|
||||
|
||||
/* Initially try creating fullscreen compatible context */
|
||||
res = DMGetGDeviceByDisplayID(CGMainDisplayID(), &gdevice, false);
|
||||
if (res) Logger_Abort2(res, "Getting display device failed");
|
||||
|
||||
GLContext_GetAttribs(mode, attribs, true);
|
||||
fmt = aglChoosePixelFormat(&gdevice, 1, attribs);
|
||||
res = aglGetError();
|
||||
|
||||
/* Try again with non-compatible context if that fails */
|
||||
if (!fmt || res == AGL_BAD_PIXELFMT) {
|
||||
Platform_LogConst("Failed to create full screen pixel format.");
|
||||
Platform_LogConst("Trying again to create a non-fullscreen pixel format.");
|
||||
|
||||
GLContext_GetAttribs(mode, attribs, false);
|
||||
fmt = aglChoosePixelFormat(NULL, 0, attribs);
|
||||
res = aglGetError();
|
||||
}
|
||||
if (res) Logger_Abort2(res, "Choosing pixel format");
|
||||
|
||||
ctx_handle = aglCreateContext(fmt, NULL);
|
||||
GLContext_Check(0, "Creating GL context");
|
||||
|
||||
aglDestroyPixelFormat(fmt);
|
||||
GLContext_Check(0, "Destroying pixel format");
|
||||
|
||||
GLContext_SetDrawable();
|
||||
GLContext_Update();
|
||||
GLContext_MakeCurrent();
|
||||
}
|
||||
|
||||
void GLContext_Update(void) {
|
||||
if (ctx_pendingFullscreen) {
|
||||
ctx_pendingFullscreen = false;
|
||||
GLContext_SetFullscreen();
|
||||
return;
|
||||
} else if (ctx_pendingWindowed) {
|
||||
ctx_pendingWindowed = false;
|
||||
GLContext_UnsetFullscreen();
|
||||
}
|
||||
|
||||
if (ctx_fullscreen) return;
|
||||
GLContext_SetDrawable();
|
||||
aglUpdateContext(ctx_handle);
|
||||
}
|
||||
|
||||
void GLContext_Free(void) {
|
||||
int code;
|
||||
if (!ctx_handle) return;
|
||||
|
||||
code = aglSetCurrentContext(NULL);
|
||||
GLContext_Check(code, "Unsetting GL context");
|
||||
|
||||
code = aglDestroyContext(ctx_handle);
|
||||
GLContext_Check(code, "Destroying GL context");
|
||||
ctx_handle = NULL;
|
||||
}
|
||||
|
||||
void* GLContext_GetAddress(const char* function) {
|
||||
void* address = DynamicLib_GetFrom("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", function);
|
||||
return GLContext_IsInvalidAddress(address) ? NULL : address;
|
||||
}
|
||||
|
||||
void GLContext_SwapBuffers(void) {
|
||||
aglSwapBuffers(ctx_handle);
|
||||
GLContext_Check(0, "Swapping buffers");
|
||||
}
|
||||
|
||||
void GLContext_SetVSync(bool enabled) {
|
||||
int value = enabled ? 1 : 0;
|
||||
aglSetInteger(ctx_handle, AGL_SWAP_INTERVAL, &value);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/*########################################################################################################################*
|
||||
*-------------------------------------------------------SDL OpenGL--------------------------------------------------------*
|
||||
*#########################################################################################################################*/
|
||||
#ifdef CC_BUILD_SDL
|
||||
#include <SDL2/SDL.h>
|
||||
static SDL_GLContext win_ctx;
|
||||
|
||||
void GLContext_Init(struct GraphicsMode* mode) {
|
||||
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, mode->R);
|
||||
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, mode->G);
|
||||
@ -2944,20 +2973,4 @@ void GLContext_SetVSync(bool enabled) {
|
||||
SDL_GL_SetSwapInterval(enabled);
|
||||
}
|
||||
#endif
|
||||
|
||||
void Window_EnableRawMouse(void) {
|
||||
Window_RegrabMouse();
|
||||
SDL_SetRelativeMouseMode(true);
|
||||
win_rawMouse = true;
|
||||
}
|
||||
|
||||
void Window_UpdateRawMouse(void) {
|
||||
Window_CentreMousePosition();
|
||||
}
|
||||
|
||||
void Window_DisableRawMouse(void) {
|
||||
Window_RegrabMouse();
|
||||
SDL_SetRelativeMouseMode(false);
|
||||
win_rawMouse = false;
|
||||
}
|
||||
#endif
|
||||
Loading…
x
Reference in New Issue
Block a user