render: get rid of the predeclared functions in the GL and Metal renderers.
(others to come as I continue to update render backends!)
Ryan C. Gordon
parent
051d1cfcd1
commit
c01da21756
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@ -46,62 +46,6 @@
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/* Apple Metal renderer implementation */
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static SDL_Renderer *METAL_CreateRenderer(SDL_Window * window, Uint32 flags);
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static void METAL_WindowEvent(SDL_Renderer * renderer,
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const SDL_WindowEvent *event);
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static int METAL_GetOutputSize(SDL_Renderer * renderer, int *w, int *h);
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static SDL_bool METAL_SupportsBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode);
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static int METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int METAL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, const void *pixels,
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int pitch);
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static int METAL_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect,
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const Uint8 *Yplane, int Ypitch,
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const Uint8 *Uplane, int Upitch,
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const Uint8 *Vplane, int Vpitch);
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static int METAL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, void **pixels, int *pitch);
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static void METAL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int METAL_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
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static int METAL_QueueSetViewport(SDL_Renderer * renderer, SDL_RenderCommand *cmd);
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static int METAL_QueueSetDrawColor(SDL_Renderer * renderer, SDL_RenderCommand *cmd);
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static int METAL_QueueDrawPoints(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FPoint * points,
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int count);
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static int METAL_QueueFillRects(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FRect * rects,
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int count);
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static int METAL_QueueCopy(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
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const SDL_Rect * srcrect, const SDL_FRect * dstrect);
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static int METAL_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
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const SDL_Rect * srcquad, const SDL_FRect * dstrect,
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const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip);
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static int METAL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize);
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static int METAL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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Uint32 pixel_format, void * pixels, int pitch);
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static void METAL_RenderPresent(SDL_Renderer * renderer);
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static void METAL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static void METAL_DestroyRenderer(SDL_Renderer * renderer);
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static void *METAL_GetMetalLayer(SDL_Renderer * renderer);
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static void *METAL_GetMetalCommandEncoder(SDL_Renderer * renderer);
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SDL_RenderDriver METAL_RenderDriver = {
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METAL_CreateRenderer,
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{
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"metal",
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(SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
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6,
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{
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SDL_PIXELFORMAT_ARGB8888,
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SDL_PIXELFORMAT_ABGR8888,
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SDL_PIXELFORMAT_YV12,
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SDL_PIXELFORMAT_IYUV,
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SDL_PIXELFORMAT_NV12,
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SDL_PIXELFORMAT_NV21
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},
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0, 0,
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}
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};
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/* macOS requires constants in a buffer to have a 256 byte alignment. */
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#ifdef __MACOSX__
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#define CONSTANT_ALIGN 256
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@ -456,251 +400,6 @@ ChoosePipelineState(METAL_RenderData *data, METAL_ShaderPipelines *pipelines, SD
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return MakePipelineState(data, cache, [NSString stringWithFormat:@" (blend=custom 0x%x)", blendmode], blendmode);
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}
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static SDL_Renderer *
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METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
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{ @autoreleasepool {
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SDL_Renderer *renderer = NULL;
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METAL_RenderData *data = NULL;
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id<MTLDevice> mtldevice = nil;
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SDL_SysWMinfo syswm;
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SDL_VERSION(&syswm.version);
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if (!SDL_GetWindowWMInfo(window, &syswm)) {
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return NULL;
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}
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if (IsMetalAvailable(&syswm) == -1) {
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return NULL;
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}
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renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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if (!renderer) {
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SDL_OutOfMemory();
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return NULL;
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}
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// !!! FIXME: MTLCopyAllDevices() can find other GPUs on macOS...
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mtldevice = MTLCreateSystemDefaultDevice();
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if (mtldevice == nil) {
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SDL_free(renderer);
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SDL_SetError("Failed to obtain Metal device");
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return NULL;
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}
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// !!! FIXME: error checking on all of this.
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data = [[METAL_RenderData alloc] init];
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renderer->driverdata = (void*)CFBridgingRetain(data);
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renderer->window = window;
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#ifdef __MACOSX__
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NSView *view = Cocoa_Mtl_AddMetalView(window);
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CAMetalLayer *layer = (CAMetalLayer *)[view layer];
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layer.device = mtldevice;
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//layer.colorspace = nil;
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#else
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UIView *view = UIKit_Mtl_AddMetalView(window);
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CAMetalLayer *layer = (CAMetalLayer *)[view layer];
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#endif
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// Necessary for RenderReadPixels.
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layer.framebufferOnly = NO;
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data.mtldevice = layer.device;
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data.mtllayer = layer;
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id<MTLCommandQueue> mtlcmdqueue = [data.mtldevice newCommandQueue];
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data.mtlcmdqueue = mtlcmdqueue;
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data.mtlcmdqueue.label = @"SDL Metal Renderer";
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data.mtlpassdesc = [MTLRenderPassDescriptor renderPassDescriptor];
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NSError *err = nil;
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// The compiled .metallib is embedded in a static array in a header file
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// but the original shader source code is in SDL_shaders_metal.metal.
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dispatch_data_t mtllibdata = dispatch_data_create(sdl_metallib, sdl_metallib_len, dispatch_get_global_queue(0, 0), ^{});
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id<MTLLibrary> mtllibrary = [data.mtldevice newLibraryWithData:mtllibdata error:&err];
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data.mtllibrary = mtllibrary;
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SDL_assert(err == nil);
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#if !__has_feature(objc_arc)
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dispatch_release(mtllibdata);
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#endif
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data.mtllibrary.label = @"SDL Metal renderer shader library";
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/* Do some shader pipeline state loading up-front rather than on demand. */
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data.pipelinescount = 0;
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data.allpipelines = NULL;
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ChooseShaderPipelines(data, MTLPixelFormatBGRA8Unorm);
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MTLSamplerDescriptor *samplerdesc = [[MTLSamplerDescriptor alloc] init];
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samplerdesc.minFilter = MTLSamplerMinMagFilterNearest;
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samplerdesc.magFilter = MTLSamplerMinMagFilterNearest;
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id<MTLSamplerState> mtlsamplernearest = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc];
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data.mtlsamplernearest = mtlsamplernearest;
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samplerdesc.minFilter = MTLSamplerMinMagFilterLinear;
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samplerdesc.magFilter = MTLSamplerMinMagFilterLinear;
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id<MTLSamplerState> mtlsamplerlinear = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc];
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data.mtlsamplerlinear = mtlsamplerlinear;
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/* Note: matrices are column major. */
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float identitytransform[16] = {
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1.0f, 0.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 0.0f,
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0.0f, 0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 0.0f, 1.0f,
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};
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float halfpixeltransform[16] = {
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1.0f, 0.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 0.0f,
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0.0f, 0.0f, 1.0f, 0.0f,
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0.5f, 0.5f, 0.0f, 1.0f,
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};
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/* Metal pads float3s to 16 bytes. */
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float decodetransformJPEG[4*4] = {
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0.0, -0.501960814, -0.501960814, 0.0, /* offset */
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1.0000, 0.0000, 1.4020, 0.0, /* Rcoeff */
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1.0000, -0.3441, -0.7141, 0.0, /* Gcoeff */
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1.0000, 1.7720, 0.0000, 0.0, /* Bcoeff */
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};
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float decodetransformBT601[4*4] = {
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-0.0627451017, -0.501960814, -0.501960814, 0.0, /* offset */
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1.1644, 0.0000, 1.5960, 0.0, /* Rcoeff */
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1.1644, -0.3918, -0.8130, 0.0, /* Gcoeff */
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1.1644, 2.0172, 0.0000, 0.0, /* Bcoeff */
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};
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float decodetransformBT709[4*4] = {
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0.0, -0.501960814, -0.501960814, 0.0, /* offset */
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1.0000, 0.0000, 1.4020, 0.0, /* Rcoeff */
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1.0000, -0.3441, -0.7141, 0.0, /* Gcoeff */
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1.0000, 1.7720, 0.0000, 0.0, /* Bcoeff */
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};
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float clearverts[6] = {0.0f, 0.0f, 0.0f, 2.0f, 2.0f, 0.0f};
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id<MTLBuffer> mtlbufconstantstaging = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModeShared];
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#if !__has_feature(objc_arc)
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[mtlbufconstantstaging autorelease];
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#endif
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mtlbufconstantstaging.label = @"SDL constant staging data";
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id<MTLBuffer> mtlbufconstants = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModePrivate];
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data.mtlbufconstants = mtlbufconstants;
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data.mtlbufconstants.label = @"SDL constant data";
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char *constantdata = [mtlbufconstantstaging contents];
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SDL_memcpy(constantdata + CONSTANTS_OFFSET_IDENTITY, identitytransform, sizeof(identitytransform));
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SDL_memcpy(constantdata + CONSTANTS_OFFSET_HALF_PIXEL_TRANSFORM, halfpixeltransform, sizeof(halfpixeltransform));
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SDL_memcpy(constantdata + CONSTANTS_OFFSET_DECODE_JPEG, decodetransformJPEG, sizeof(decodetransformJPEG));
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SDL_memcpy(constantdata + CONSTANTS_OFFSET_DECODE_BT601, decodetransformBT601, sizeof(decodetransformBT601));
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SDL_memcpy(constantdata + CONSTANTS_OFFSET_DECODE_BT709, decodetransformBT709, sizeof(decodetransformBT709));
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SDL_memcpy(constantdata + CONSTANTS_OFFSET_CLEAR_VERTS, clearverts, sizeof(clearverts));
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id<MTLCommandBuffer> cmdbuffer = [data.mtlcmdqueue commandBuffer];
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id<MTLBlitCommandEncoder> blitcmd = [cmdbuffer blitCommandEncoder];
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[blitcmd copyFromBuffer:mtlbufconstantstaging sourceOffset:0 toBuffer:data.mtlbufconstants destinationOffset:0 size:CONSTANTS_LENGTH];
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[blitcmd endEncoding];
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[cmdbuffer commit];
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// !!! FIXME: force more clears here so all the drawables are sane to start, and our static buffers are definitely flushed.
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renderer->WindowEvent = METAL_WindowEvent;
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renderer->GetOutputSize = METAL_GetOutputSize;
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renderer->SupportsBlendMode = METAL_SupportsBlendMode;
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renderer->CreateTexture = METAL_CreateTexture;
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renderer->UpdateTexture = METAL_UpdateTexture;
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renderer->UpdateTextureYUV = METAL_UpdateTextureYUV;
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renderer->LockTexture = METAL_LockTexture;
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renderer->UnlockTexture = METAL_UnlockTexture;
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renderer->SetRenderTarget = METAL_SetRenderTarget;
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renderer->QueueSetViewport = METAL_QueueSetViewport;
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renderer->QueueSetDrawColor = METAL_QueueSetDrawColor;
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renderer->QueueDrawPoints = METAL_QueueDrawPoints;
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renderer->QueueDrawLines = METAL_QueueDrawPoints; // lines and points queue the same way.
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renderer->QueueFillRects = METAL_QueueFillRects;
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renderer->QueueCopy = METAL_QueueCopy;
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renderer->QueueCopyEx = METAL_QueueCopyEx;
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renderer->RunCommandQueue = METAL_RunCommandQueue;
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renderer->RenderReadPixels = METAL_RenderReadPixels;
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renderer->RenderPresent = METAL_RenderPresent;
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renderer->DestroyTexture = METAL_DestroyTexture;
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renderer->DestroyRenderer = METAL_DestroyRenderer;
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renderer->GetMetalLayer = METAL_GetMetalLayer;
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renderer->GetMetalCommandEncoder = METAL_GetMetalCommandEncoder;
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renderer->info = METAL_RenderDriver.info;
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renderer->info.flags = (SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
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renderer->always_batch = SDL_TRUE;
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#if defined(__MACOSX__) && defined(MAC_OS_X_VERSION_10_13)
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if (@available(macOS 10.13, *)) {
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data.mtllayer.displaySyncEnabled = (flags & SDL_RENDERER_PRESENTVSYNC) != 0;
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} else
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#endif
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{
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renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
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}
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/* https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf */
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int maxtexsize = 4096;
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#if defined(__MACOSX__)
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maxtexsize = 16384;
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#elif defined(__TVOS__)
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maxtexsize = 8192;
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#ifdef __TVOS_11_0
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if (@available(tvOS 11.0, *)) {
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if ([mtldevice supportsFeatureSet:MTLFeatureSet_tvOS_GPUFamily2_v1]) {
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maxtexsize = 16384;
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}
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}
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#endif
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#else
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#ifdef __IPHONE_11_0
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if ([mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily4_v1]) {
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maxtexsize = 16384;
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} else
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#endif
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#ifdef __IPHONE_10_0
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if ([mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily3_v1]) {
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maxtexsize = 16384;
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} else
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#endif
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if ([mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily2_v2] || [mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily1_v2]) {
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maxtexsize = 8192;
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} else {
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maxtexsize = 4096;
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}
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#endif
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renderer->info.max_texture_width = maxtexsize;
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renderer->info.max_texture_height = maxtexsize;
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#if !__has_feature(objc_arc)
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[mtlcmdqueue release];
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[mtllibrary release];
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[samplerdesc release];
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[mtlsamplernearest release];
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[mtlsamplerlinear release];
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[mtlbufconstants release];
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[view release];
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[data release];
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[mtldevice release];
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#endif
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return renderer;
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}}
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static void
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METAL_ActivateRenderCommandEncoder(SDL_Renderer * renderer, MTLLoadAction load, MTLClearColor *clear_color)
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{
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@ -1573,6 +1272,269 @@ METAL_GetMetalCommandEncoder(SDL_Renderer * renderer)
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return (__bridge void*)data.mtlcmdencoder;
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}}
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static SDL_Renderer *
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METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
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{ @autoreleasepool {
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SDL_Renderer *renderer = NULL;
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METAL_RenderData *data = NULL;
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id<MTLDevice> mtldevice = nil;
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SDL_SysWMinfo syswm;
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SDL_VERSION(&syswm.version);
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if (!SDL_GetWindowWMInfo(window, &syswm)) {
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return NULL;
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}
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if (IsMetalAvailable(&syswm) == -1) {
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return NULL;
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}
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renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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if (!renderer) {
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SDL_OutOfMemory();
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return NULL;
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}
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// !!! FIXME: MTLCopyAllDevices() can find other GPUs on macOS...
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mtldevice = MTLCreateSystemDefaultDevice();
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if (mtldevice == nil) {
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SDL_free(renderer);
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SDL_SetError("Failed to obtain Metal device");
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return NULL;
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}
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// !!! FIXME: error checking on all of this.
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data = [[METAL_RenderData alloc] init];
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renderer->driverdata = (void*)CFBridgingRetain(data);
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renderer->window = window;
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#ifdef __MACOSX__
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NSView *view = Cocoa_Mtl_AddMetalView(window);
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CAMetalLayer *layer = (CAMetalLayer *)[view layer];
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layer.device = mtldevice;
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//layer.colorspace = nil;
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#else
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UIView *view = UIKit_Mtl_AddMetalView(window);
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CAMetalLayer *layer = (CAMetalLayer *)[view layer];
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#endif
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// Necessary for RenderReadPixels.
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layer.framebufferOnly = NO;
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data.mtldevice = layer.device;
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data.mtllayer = layer;
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id<MTLCommandQueue> mtlcmdqueue = [data.mtldevice newCommandQueue];
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data.mtlcmdqueue = mtlcmdqueue;
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data.mtlcmdqueue.label = @"SDL Metal Renderer";
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data.mtlpassdesc = [MTLRenderPassDescriptor renderPassDescriptor];
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NSError *err = nil;
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// The compiled .metallib is embedded in a static array in a header file
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// but the original shader source code is in SDL_shaders_metal.metal.
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dispatch_data_t mtllibdata = dispatch_data_create(sdl_metallib, sdl_metallib_len, dispatch_get_global_queue(0, 0), ^{});
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id<MTLLibrary> mtllibrary = [data.mtldevice newLibraryWithData:mtllibdata error:&err];
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data.mtllibrary = mtllibrary;
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SDL_assert(err == nil);
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#if !__has_feature(objc_arc)
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dispatch_release(mtllibdata);
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#endif
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data.mtllibrary.label = @"SDL Metal renderer shader library";
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/* Do some shader pipeline state loading up-front rather than on demand. */
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data.pipelinescount = 0;
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data.allpipelines = NULL;
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ChooseShaderPipelines(data, MTLPixelFormatBGRA8Unorm);
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MTLSamplerDescriptor *samplerdesc = [[MTLSamplerDescriptor alloc] init];
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samplerdesc.minFilter = MTLSamplerMinMagFilterNearest;
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samplerdesc.magFilter = MTLSamplerMinMagFilterNearest;
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id<MTLSamplerState> mtlsamplernearest = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc];
|
||||
data.mtlsamplernearest = mtlsamplernearest;
|
||||
|
||||
samplerdesc.minFilter = MTLSamplerMinMagFilterLinear;
|
||||
samplerdesc.magFilter = MTLSamplerMinMagFilterLinear;
|
||||
id<MTLSamplerState> mtlsamplerlinear = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc];
|
||||
data.mtlsamplerlinear = mtlsamplerlinear;
|
||||
|
||||
/* Note: matrices are column major. */
|
||||
float identitytransform[16] = {
|
||||
1.0f, 0.0f, 0.0f, 0.0f,
|
||||
0.0f, 1.0f, 0.0f, 0.0f,
|
||||
0.0f, 0.0f, 1.0f, 0.0f,
|
||||
0.0f, 0.0f, 0.0f, 1.0f,
|
||||
};
|
||||
|
||||
float halfpixeltransform[16] = {
|
||||
1.0f, 0.0f, 0.0f, 0.0f,
|
||||
0.0f, 1.0f, 0.0f, 0.0f,
|
||||
0.0f, 0.0f, 1.0f, 0.0f,
|
||||
0.5f, 0.5f, 0.0f, 1.0f,
|
||||
};
|
||||
|
||||
/* Metal pads float3s to 16 bytes. */
|
||||
float decodetransformJPEG[4*4] = {
|
||||
0.0, -0.501960814, -0.501960814, 0.0, /* offset */
|
||||
1.0000, 0.0000, 1.4020, 0.0, /* Rcoeff */
|
||||
1.0000, -0.3441, -0.7141, 0.0, /* Gcoeff */
|
||||
1.0000, 1.7720, 0.0000, 0.0, /* Bcoeff */
|
||||
};
|
||||
|
||||
float decodetransformBT601[4*4] = {
|
||||
-0.0627451017, -0.501960814, -0.501960814, 0.0, /* offset */
|
||||
1.1644, 0.0000, 1.5960, 0.0, /* Rcoeff */
|
||||
1.1644, -0.3918, -0.8130, 0.0, /* Gcoeff */
|
||||
1.1644, 2.0172, 0.0000, 0.0, /* Bcoeff */
|
||||
};
|
||||
|
||||
float decodetransformBT709[4*4] = {
|
||||
0.0, -0.501960814, -0.501960814, 0.0, /* offset */
|
||||
1.0000, 0.0000, 1.4020, 0.0, /* Rcoeff */
|
||||
1.0000, -0.3441, -0.7141, 0.0, /* Gcoeff */
|
||||
1.0000, 1.7720, 0.0000, 0.0, /* Bcoeff */
|
||||
};
|
||||
|
||||
float clearverts[6] = {0.0f, 0.0f, 0.0f, 2.0f, 2.0f, 0.0f};
|
||||
|
||||
id<MTLBuffer> mtlbufconstantstaging = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModeShared];
|
||||
#if !__has_feature(objc_arc)
|
||||
[mtlbufconstantstaging autorelease];
|
||||
#endif
|
||||
mtlbufconstantstaging.label = @"SDL constant staging data";
|
||||
|
||||
id<MTLBuffer> mtlbufconstants = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModePrivate];
|
||||
data.mtlbufconstants = mtlbufconstants;
|
||||
data.mtlbufconstants.label = @"SDL constant data";
|
||||
|
||||
char *constantdata = [mtlbufconstantstaging contents];
|
||||
SDL_memcpy(constantdata + CONSTANTS_OFFSET_IDENTITY, identitytransform, sizeof(identitytransform));
|
||||
SDL_memcpy(constantdata + CONSTANTS_OFFSET_HALF_PIXEL_TRANSFORM, halfpixeltransform, sizeof(halfpixeltransform));
|
||||
SDL_memcpy(constantdata + CONSTANTS_OFFSET_DECODE_JPEG, decodetransformJPEG, sizeof(decodetransformJPEG));
|
||||
SDL_memcpy(constantdata + CONSTANTS_OFFSET_DECODE_BT601, decodetransformBT601, sizeof(decodetransformBT601));
|
||||
SDL_memcpy(constantdata + CONSTANTS_OFFSET_DECODE_BT709, decodetransformBT709, sizeof(decodetransformBT709));
|
||||
SDL_memcpy(constantdata + CONSTANTS_OFFSET_CLEAR_VERTS, clearverts, sizeof(clearverts));
|
||||
|
||||
id<MTLCommandBuffer> cmdbuffer = [data.mtlcmdqueue commandBuffer];
|
||||
id<MTLBlitCommandEncoder> blitcmd = [cmdbuffer blitCommandEncoder];
|
||||
|
||||
[blitcmd copyFromBuffer:mtlbufconstantstaging sourceOffset:0 toBuffer:data.mtlbufconstants destinationOffset:0 size:CONSTANTS_LENGTH];
|
||||
|
||||
[blitcmd endEncoding];
|
||||
[cmdbuffer commit];
|
||||
|
||||
// !!! FIXME: force more clears here so all the drawables are sane to start, and our static buffers are definitely flushed.
|
||||
|
||||
renderer->WindowEvent = METAL_WindowEvent;
|
||||
renderer->GetOutputSize = METAL_GetOutputSize;
|
||||
renderer->SupportsBlendMode = METAL_SupportsBlendMode;
|
||||
renderer->CreateTexture = METAL_CreateTexture;
|
||||
renderer->UpdateTexture = METAL_UpdateTexture;
|
||||
renderer->UpdateTextureYUV = METAL_UpdateTextureYUV;
|
||||
renderer->LockTexture = METAL_LockTexture;
|
||||
renderer->UnlockTexture = METAL_UnlockTexture;
|
||||
renderer->SetRenderTarget = METAL_SetRenderTarget;
|
||||
renderer->QueueSetViewport = METAL_QueueSetViewport;
|
||||
renderer->QueueSetDrawColor = METAL_QueueSetDrawColor;
|
||||
renderer->QueueDrawPoints = METAL_QueueDrawPoints;
|
||||
renderer->QueueDrawLines = METAL_QueueDrawPoints; // lines and points queue the same way.
|
||||
renderer->QueueFillRects = METAL_QueueFillRects;
|
||||
renderer->QueueCopy = METAL_QueueCopy;
|
||||
renderer->QueueCopyEx = METAL_QueueCopyEx;
|
||||
renderer->RunCommandQueue = METAL_RunCommandQueue;
|
||||
renderer->RenderReadPixels = METAL_RenderReadPixels;
|
||||
renderer->RenderPresent = METAL_RenderPresent;
|
||||
renderer->DestroyTexture = METAL_DestroyTexture;
|
||||
renderer->DestroyRenderer = METAL_DestroyRenderer;
|
||||
renderer->GetMetalLayer = METAL_GetMetalLayer;
|
||||
renderer->GetMetalCommandEncoder = METAL_GetMetalCommandEncoder;
|
||||
|
||||
renderer->info = METAL_RenderDriver.info;
|
||||
renderer->info.flags = (SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
|
||||
|
||||
renderer->always_batch = SDL_TRUE;
|
||||
|
||||
#if defined(__MACOSX__) && defined(MAC_OS_X_VERSION_10_13)
|
||||
if (@available(macOS 10.13, *)) {
|
||||
data.mtllayer.displaySyncEnabled = (flags & SDL_RENDERER_PRESENTVSYNC) != 0;
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
|
||||
}
|
||||
|
||||
/* https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf */
|
||||
int maxtexsize = 4096;
|
||||
#if defined(__MACOSX__)
|
||||
maxtexsize = 16384;
|
||||
#elif defined(__TVOS__)
|
||||
maxtexsize = 8192;
|
||||
#ifdef __TVOS_11_0
|
||||
if (@available(tvOS 11.0, *)) {
|
||||
if ([mtldevice supportsFeatureSet:MTLFeatureSet_tvOS_GPUFamily2_v1]) {
|
||||
maxtexsize = 16384;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#else
|
||||
#ifdef __IPHONE_11_0
|
||||
if ([mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily4_v1]) {
|
||||
maxtexsize = 16384;
|
||||
} else
|
||||
#endif
|
||||
#ifdef __IPHONE_10_0
|
||||
if ([mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily3_v1]) {
|
||||
maxtexsize = 16384;
|
||||
} else
|
||||
#endif
|
||||
if ([mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily2_v2] || [mtldevice supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily1_v2]) {
|
||||
maxtexsize = 8192;
|
||||
} else {
|
||||
maxtexsize = 4096;
|
||||
}
|
||||
#endif
|
||||
|
||||
renderer->info.max_texture_width = maxtexsize;
|
||||
renderer->info.max_texture_height = maxtexsize;
|
||||
|
||||
#if !__has_feature(objc_arc)
|
||||
[mtlcmdqueue release];
|
||||
[mtllibrary release];
|
||||
[samplerdesc release];
|
||||
[mtlsamplernearest release];
|
||||
[mtlsamplerlinear release];
|
||||
[mtlbufconstants release];
|
||||
[view release];
|
||||
[data release];
|
||||
[mtldevice release];
|
||||
#endif
|
||||
|
||||
return renderer;
|
||||
}}
|
||||
|
||||
SDL_RenderDriver METAL_RenderDriver = {
|
||||
METAL_CreateRenderer,
|
||||
{
|
||||
"metal",
|
||||
(SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
|
||||
6,
|
||||
{
|
||||
SDL_PIXELFORMAT_ARGB8888,
|
||||
SDL_PIXELFORMAT_ABGR8888,
|
||||
SDL_PIXELFORMAT_YV12,
|
||||
SDL_PIXELFORMAT_IYUV,
|
||||
SDL_PIXELFORMAT_NV12,
|
||||
SDL_PIXELFORMAT_NV21
|
||||
},
|
||||
0, 0,
|
||||
}
|
||||
};
|
||||
|
||||
#endif /* SDL_VIDEO_RENDER_METAL && !SDL_RENDER_DISABLED */
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
|
|
|
|||
|
|
@ -51,54 +51,6 @@ extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
|
|||
|
||||
static const float inv255f = 1.0f / 255.0f;
|
||||
|
||||
/* !!! FIXME: delete these predeclarations and just move the functions before their use. */
|
||||
static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags);
|
||||
static int GL_GetOutputSize(SDL_Renderer * renderer, int *w, int *h);
|
||||
static SDL_bool GL_SupportsBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode);
|
||||
static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
|
||||
static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
|
||||
const SDL_Rect * rect, const void *pixels,
|
||||
int pitch);
|
||||
static int GL_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
|
||||
const SDL_Rect * rect,
|
||||
const Uint8 *Yplane, int Ypitch,
|
||||
const Uint8 *Uplane, int Upitch,
|
||||
const Uint8 *Vplane, int Vpitch);
|
||||
static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
|
||||
const SDL_Rect * rect, void **pixels, int *pitch);
|
||||
static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
|
||||
static int GL_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
|
||||
static int GL_QueueSetViewport(SDL_Renderer * renderer, SDL_RenderCommand *cmd);
|
||||
static int GL_QueueDrawPoints(SDL_Renderer * renderer, SDL_RenderCommand *cmd,
|
||||
const SDL_FPoint * points, int count);
|
||||
static int GL_QueueFillRects(SDL_Renderer * renderer, SDL_RenderCommand *cmd,
|
||||
const SDL_FRect * rects, int count);
|
||||
static int GL_QueueCopy(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *texture,
|
||||
const SDL_Rect *srcrect, const SDL_FRect *dstrect);
|
||||
static int GL_QueueCopyEx(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *texture,
|
||||
const SDL_Rect *srcquad, const SDL_FRect *dstrect,
|
||||
const double angle, const SDL_FPoint *center,
|
||||
const SDL_RendererFlip flip);
|
||||
static int GL_RunCommandQueue(SDL_Renderer *renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize);
|
||||
static int GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
|
||||
Uint32 pixel_format, void * pixels, int pitch);
|
||||
static void GL_RenderPresent(SDL_Renderer * renderer);
|
||||
static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
|
||||
static void GL_DestroyRenderer(SDL_Renderer * renderer);
|
||||
static int GL_BindTexture (SDL_Renderer * renderer, SDL_Texture *texture, float *texw, float *texh);
|
||||
static int GL_UnbindTexture (SDL_Renderer * renderer, SDL_Texture *texture);
|
||||
|
||||
SDL_RenderDriver GL_RenderDriver = {
|
||||
GL_CreateRenderer,
|
||||
{
|
||||
"opengl",
|
||||
(SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
|
||||
1,
|
||||
{SDL_PIXELFORMAT_ARGB8888},
|
||||
0,
|
||||
0}
|
||||
};
|
||||
|
||||
typedef struct GL_FBOList GL_FBOList;
|
||||
|
||||
struct GL_FBOList
|
||||
|
|
@ -343,203 +295,6 @@ GL_GetFBO(GL_RenderData *data, Uint32 w, Uint32 h)
|
|||
return result;
|
||||
}
|
||||
|
||||
SDL_Renderer *
|
||||
GL_CreateRenderer(SDL_Window * window, Uint32 flags)
|
||||
{
|
||||
SDL_Renderer *renderer;
|
||||
GL_RenderData *data;
|
||||
GLint value;
|
||||
Uint32 window_flags;
|
||||
int profile_mask = 0, major = 0, minor = 0;
|
||||
SDL_bool changed_window = SDL_FALSE;
|
||||
|
||||
SDL_GL_GetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, &profile_mask);
|
||||
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, &major);
|
||||
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, &minor);
|
||||
|
||||
window_flags = SDL_GetWindowFlags(window);
|
||||
if (!(window_flags & SDL_WINDOW_OPENGL) ||
|
||||
profile_mask == SDL_GL_CONTEXT_PROFILE_ES || major != RENDERER_CONTEXT_MAJOR || minor != RENDERER_CONTEXT_MINOR) {
|
||||
|
||||
changed_window = SDL_TRUE;
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, 0);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, RENDERER_CONTEXT_MAJOR);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, RENDERER_CONTEXT_MINOR);
|
||||
|
||||
if (SDL_RecreateWindow(window, window_flags | SDL_WINDOW_OPENGL) < 0) {
|
||||
goto error;
|
||||
}
|
||||
}
|
||||
|
||||
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
|
||||
if (!renderer) {
|
||||
SDL_OutOfMemory();
|
||||
goto error;
|
||||
}
|
||||
|
||||
data = (GL_RenderData *) SDL_calloc(1, sizeof(*data));
|
||||
if (!data) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
SDL_OutOfMemory();
|
||||
goto error;
|
||||
}
|
||||
|
||||
renderer->GetOutputSize = GL_GetOutputSize;
|
||||
renderer->SupportsBlendMode = GL_SupportsBlendMode;
|
||||
renderer->CreateTexture = GL_CreateTexture;
|
||||
renderer->UpdateTexture = GL_UpdateTexture;
|
||||
renderer->UpdateTextureYUV = GL_UpdateTextureYUV;
|
||||
renderer->LockTexture = GL_LockTexture;
|
||||
renderer->UnlockTexture = GL_UnlockTexture;
|
||||
renderer->SetRenderTarget = GL_SetRenderTarget;
|
||||
renderer->QueueSetViewport = GL_QueueSetViewport;
|
||||
renderer->QueueSetDrawColor = GL_QueueSetViewport; /* SetViewport and SetDrawColor are (currently) no-ops. */
|
||||
renderer->QueueDrawPoints = GL_QueueDrawPoints;
|
||||
renderer->QueueDrawLines = GL_QueueDrawPoints; /* lines and points queue vertices the same way. */
|
||||
renderer->QueueFillRects = GL_QueueFillRects;
|
||||
renderer->QueueCopy = GL_QueueCopy;
|
||||
renderer->QueueCopyEx = GL_QueueCopyEx;
|
||||
renderer->RunCommandQueue = GL_RunCommandQueue;
|
||||
renderer->RenderReadPixels = GL_RenderReadPixels;
|
||||
renderer->RenderPresent = GL_RenderPresent;
|
||||
renderer->DestroyTexture = GL_DestroyTexture;
|
||||
renderer->DestroyRenderer = GL_DestroyRenderer;
|
||||
renderer->GL_BindTexture = GL_BindTexture;
|
||||
renderer->GL_UnbindTexture = GL_UnbindTexture;
|
||||
renderer->info = GL_RenderDriver.info;
|
||||
renderer->info.flags = SDL_RENDERER_ACCELERATED;
|
||||
renderer->driverdata = data;
|
||||
renderer->window = window;
|
||||
|
||||
data->context = SDL_GL_CreateContext(window);
|
||||
if (!data->context) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
goto error;
|
||||
}
|
||||
if (SDL_GL_MakeCurrent(window, data->context) < 0) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
goto error;
|
||||
}
|
||||
|
||||
if (GL_LoadFunctions(data) < 0) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
goto error;
|
||||
}
|
||||
|
||||
#ifdef __MACOSX__
|
||||
/* Enable multi-threaded rendering */
|
||||
/* Disabled until Ryan finishes his VBO/PBO code...
|
||||
CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine);
|
||||
*/
|
||||
#endif
|
||||
|
||||
if (flags & SDL_RENDERER_PRESENTVSYNC) {
|
||||
SDL_GL_SetSwapInterval(1);
|
||||
} else {
|
||||
SDL_GL_SetSwapInterval(0);
|
||||
}
|
||||
if (SDL_GL_GetSwapInterval() > 0) {
|
||||
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
|
||||
}
|
||||
|
||||
/* Check for debug output support */
|
||||
if (SDL_GL_GetAttribute(SDL_GL_CONTEXT_FLAGS, &value) == 0 &&
|
||||
(value & SDL_GL_CONTEXT_DEBUG_FLAG)) {
|
||||
data->debug_enabled = SDL_TRUE;
|
||||
}
|
||||
if (data->debug_enabled && SDL_GL_ExtensionSupported("GL_ARB_debug_output")) {
|
||||
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC) SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
|
||||
|
||||
data->GL_ARB_debug_output_supported = SDL_TRUE;
|
||||
data->glGetPointerv(GL_DEBUG_CALLBACK_FUNCTION_ARB, (GLvoid **)(char *)&data->next_error_callback);
|
||||
data->glGetPointerv(GL_DEBUG_CALLBACK_USER_PARAM_ARB, &data->next_error_userparam);
|
||||
glDebugMessageCallbackARBFunc(GL_HandleDebugMessage, renderer);
|
||||
|
||||
/* Make sure our callback is called when errors actually happen */
|
||||
data->glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
|
||||
}
|
||||
|
||||
data->textype = GL_TEXTURE_2D;
|
||||
if (SDL_GL_ExtensionSupported("GL_ARB_texture_non_power_of_two")) {
|
||||
data->GL_ARB_texture_non_power_of_two_supported = SDL_TRUE;
|
||||
} else if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle") ||
|
||||
SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
|
||||
data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
|
||||
data->textype = GL_TEXTURE_RECTANGLE_ARB;
|
||||
}
|
||||
if (data->GL_ARB_texture_rectangle_supported) {
|
||||
data->glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &value);
|
||||
renderer->info.max_texture_width = value;
|
||||
renderer->info.max_texture_height = value;
|
||||
} else {
|
||||
data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
|
||||
renderer->info.max_texture_width = value;
|
||||
renderer->info.max_texture_height = value;
|
||||
}
|
||||
|
||||
/* Check for multitexture support */
|
||||
if (SDL_GL_ExtensionSupported("GL_ARB_multitexture")) {
|
||||
data->glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) SDL_GL_GetProcAddress("glActiveTextureARB");
|
||||
if (data->glActiveTextureARB) {
|
||||
data->GL_ARB_multitexture_supported = SDL_TRUE;
|
||||
data->glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &data->num_texture_units);
|
||||
}
|
||||
}
|
||||
|
||||
/* Check for shader support */
|
||||
if (SDL_GetHintBoolean(SDL_HINT_RENDER_OPENGL_SHADERS, SDL_TRUE)) {
|
||||
data->shaders = GL_CreateShaderContext();
|
||||
}
|
||||
SDL_LogInfo(SDL_LOG_CATEGORY_RENDER, "OpenGL shaders: %s",
|
||||
data->shaders ? "ENABLED" : "DISABLED");
|
||||
|
||||
/* We support YV12 textures using 3 textures and a shader */
|
||||
if (data->shaders && data->num_texture_units >= 3) {
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_YV12;
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_NV12;
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_NV21;
|
||||
}
|
||||
|
||||
#ifdef __MACOSX__
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
|
||||
#endif
|
||||
|
||||
if (SDL_GL_ExtensionSupported("GL_EXT_framebuffer_object")) {
|
||||
data->GL_EXT_framebuffer_object_supported = SDL_TRUE;
|
||||
data->glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)
|
||||
SDL_GL_GetProcAddress("glGenFramebuffersEXT");
|
||||
data->glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)
|
||||
SDL_GL_GetProcAddress("glDeleteFramebuffersEXT");
|
||||
data->glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)
|
||||
SDL_GL_GetProcAddress("glFramebufferTexture2DEXT");
|
||||
data->glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)
|
||||
SDL_GL_GetProcAddress("glBindFramebufferEXT");
|
||||
data->glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)
|
||||
SDL_GL_GetProcAddress("glCheckFramebufferStatusEXT");
|
||||
renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
|
||||
}
|
||||
data->framebuffers = NULL;
|
||||
|
||||
/* Set up parameters for rendering */
|
||||
data->glDisable(GL_DEPTH_TEST);
|
||||
data->glDisable(GL_CULL_FACE);
|
||||
/* This ended up causing video discrepancies between OpenGL and Direct3D */
|
||||
/* data->glEnable(GL_LINE_SMOOTH); */
|
||||
|
||||
return renderer;
|
||||
|
||||
error:
|
||||
if (changed_window) {
|
||||
/* Uh oh, better try to put it back... */
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile_mask);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
|
||||
SDL_RecreateWindow(window, window_flags);
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int
|
||||
GL_GetOutputSize(SDL_Renderer * renderer, int *w, int *h)
|
||||
{
|
||||
|
|
@ -1692,6 +1447,217 @@ GL_UnbindTexture (SDL_Renderer * renderer, SDL_Texture *texture)
|
|||
return 0;
|
||||
}
|
||||
|
||||
|
||||
SDL_Renderer *
|
||||
GL_CreateRenderer(SDL_Window * window, Uint32 flags)
|
||||
{
|
||||
SDL_Renderer *renderer;
|
||||
GL_RenderData *data;
|
||||
GLint value;
|
||||
Uint32 window_flags;
|
||||
int profile_mask = 0, major = 0, minor = 0;
|
||||
SDL_bool changed_window = SDL_FALSE;
|
||||
|
||||
SDL_GL_GetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, &profile_mask);
|
||||
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, &major);
|
||||
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, &minor);
|
||||
|
||||
window_flags = SDL_GetWindowFlags(window);
|
||||
if (!(window_flags & SDL_WINDOW_OPENGL) ||
|
||||
profile_mask == SDL_GL_CONTEXT_PROFILE_ES || major != RENDERER_CONTEXT_MAJOR || minor != RENDERER_CONTEXT_MINOR) {
|
||||
|
||||
changed_window = SDL_TRUE;
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, 0);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, RENDERER_CONTEXT_MAJOR);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, RENDERER_CONTEXT_MINOR);
|
||||
|
||||
if (SDL_RecreateWindow(window, window_flags | SDL_WINDOW_OPENGL) < 0) {
|
||||
goto error;
|
||||
}
|
||||
}
|
||||
|
||||
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
|
||||
if (!renderer) {
|
||||
SDL_OutOfMemory();
|
||||
goto error;
|
||||
}
|
||||
|
||||
data = (GL_RenderData *) SDL_calloc(1, sizeof(*data));
|
||||
if (!data) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
SDL_OutOfMemory();
|
||||
goto error;
|
||||
}
|
||||
|
||||
renderer->GetOutputSize = GL_GetOutputSize;
|
||||
renderer->SupportsBlendMode = GL_SupportsBlendMode;
|
||||
renderer->CreateTexture = GL_CreateTexture;
|
||||
renderer->UpdateTexture = GL_UpdateTexture;
|
||||
renderer->UpdateTextureYUV = GL_UpdateTextureYUV;
|
||||
renderer->LockTexture = GL_LockTexture;
|
||||
renderer->UnlockTexture = GL_UnlockTexture;
|
||||
renderer->SetRenderTarget = GL_SetRenderTarget;
|
||||
renderer->QueueSetViewport = GL_QueueSetViewport;
|
||||
renderer->QueueSetDrawColor = GL_QueueSetViewport; /* SetViewport and SetDrawColor are (currently) no-ops. */
|
||||
renderer->QueueDrawPoints = GL_QueueDrawPoints;
|
||||
renderer->QueueDrawLines = GL_QueueDrawPoints; /* lines and points queue vertices the same way. */
|
||||
renderer->QueueFillRects = GL_QueueFillRects;
|
||||
renderer->QueueCopy = GL_QueueCopy;
|
||||
renderer->QueueCopyEx = GL_QueueCopyEx;
|
||||
renderer->RunCommandQueue = GL_RunCommandQueue;
|
||||
renderer->RenderReadPixels = GL_RenderReadPixels;
|
||||
renderer->RenderPresent = GL_RenderPresent;
|
||||
renderer->DestroyTexture = GL_DestroyTexture;
|
||||
renderer->DestroyRenderer = GL_DestroyRenderer;
|
||||
renderer->GL_BindTexture = GL_BindTexture;
|
||||
renderer->GL_UnbindTexture = GL_UnbindTexture;
|
||||
renderer->info = GL_RenderDriver.info;
|
||||
renderer->info.flags = SDL_RENDERER_ACCELERATED;
|
||||
renderer->driverdata = data;
|
||||
renderer->window = window;
|
||||
|
||||
data->context = SDL_GL_CreateContext(window);
|
||||
if (!data->context) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
goto error;
|
||||
}
|
||||
if (SDL_GL_MakeCurrent(window, data->context) < 0) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
goto error;
|
||||
}
|
||||
|
||||
if (GL_LoadFunctions(data) < 0) {
|
||||
GL_DestroyRenderer(renderer);
|
||||
goto error;
|
||||
}
|
||||
|
||||
#ifdef __MACOSX__
|
||||
/* Enable multi-threaded rendering */
|
||||
/* Disabled until Ryan finishes his VBO/PBO code...
|
||||
CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine);
|
||||
*/
|
||||
#endif
|
||||
|
||||
if (flags & SDL_RENDERER_PRESENTVSYNC) {
|
||||
SDL_GL_SetSwapInterval(1);
|
||||
} else {
|
||||
SDL_GL_SetSwapInterval(0);
|
||||
}
|
||||
if (SDL_GL_GetSwapInterval() > 0) {
|
||||
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
|
||||
}
|
||||
|
||||
/* Check for debug output support */
|
||||
if (SDL_GL_GetAttribute(SDL_GL_CONTEXT_FLAGS, &value) == 0 &&
|
||||
(value & SDL_GL_CONTEXT_DEBUG_FLAG)) {
|
||||
data->debug_enabled = SDL_TRUE;
|
||||
}
|
||||
if (data->debug_enabled && SDL_GL_ExtensionSupported("GL_ARB_debug_output")) {
|
||||
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC) SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
|
||||
|
||||
data->GL_ARB_debug_output_supported = SDL_TRUE;
|
||||
data->glGetPointerv(GL_DEBUG_CALLBACK_FUNCTION_ARB, (GLvoid **)(char *)&data->next_error_callback);
|
||||
data->glGetPointerv(GL_DEBUG_CALLBACK_USER_PARAM_ARB, &data->next_error_userparam);
|
||||
glDebugMessageCallbackARBFunc(GL_HandleDebugMessage, renderer);
|
||||
|
||||
/* Make sure our callback is called when errors actually happen */
|
||||
data->glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
|
||||
}
|
||||
|
||||
data->textype = GL_TEXTURE_2D;
|
||||
if (SDL_GL_ExtensionSupported("GL_ARB_texture_non_power_of_two")) {
|
||||
data->GL_ARB_texture_non_power_of_two_supported = SDL_TRUE;
|
||||
} else if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle") ||
|
||||
SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
|
||||
data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
|
||||
data->textype = GL_TEXTURE_RECTANGLE_ARB;
|
||||
}
|
||||
if (data->GL_ARB_texture_rectangle_supported) {
|
||||
data->glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &value);
|
||||
renderer->info.max_texture_width = value;
|
||||
renderer->info.max_texture_height = value;
|
||||
} else {
|
||||
data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
|
||||
renderer->info.max_texture_width = value;
|
||||
renderer->info.max_texture_height = value;
|
||||
}
|
||||
|
||||
/* Check for multitexture support */
|
||||
if (SDL_GL_ExtensionSupported("GL_ARB_multitexture")) {
|
||||
data->glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) SDL_GL_GetProcAddress("glActiveTextureARB");
|
||||
if (data->glActiveTextureARB) {
|
||||
data->GL_ARB_multitexture_supported = SDL_TRUE;
|
||||
data->glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &data->num_texture_units);
|
||||
}
|
||||
}
|
||||
|
||||
/* Check for shader support */
|
||||
if (SDL_GetHintBoolean(SDL_HINT_RENDER_OPENGL_SHADERS, SDL_TRUE)) {
|
||||
data->shaders = GL_CreateShaderContext();
|
||||
}
|
||||
SDL_LogInfo(SDL_LOG_CATEGORY_RENDER, "OpenGL shaders: %s",
|
||||
data->shaders ? "ENABLED" : "DISABLED");
|
||||
|
||||
/* We support YV12 textures using 3 textures and a shader */
|
||||
if (data->shaders && data->num_texture_units >= 3) {
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_YV12;
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_NV12;
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_NV21;
|
||||
}
|
||||
|
||||
#ifdef __MACOSX__
|
||||
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
|
||||
#endif
|
||||
|
||||
if (SDL_GL_ExtensionSupported("GL_EXT_framebuffer_object")) {
|
||||
data->GL_EXT_framebuffer_object_supported = SDL_TRUE;
|
||||
data->glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)
|
||||
SDL_GL_GetProcAddress("glGenFramebuffersEXT");
|
||||
data->glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)
|
||||
SDL_GL_GetProcAddress("glDeleteFramebuffersEXT");
|
||||
data->glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)
|
||||
SDL_GL_GetProcAddress("glFramebufferTexture2DEXT");
|
||||
data->glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)
|
||||
SDL_GL_GetProcAddress("glBindFramebufferEXT");
|
||||
data->glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)
|
||||
SDL_GL_GetProcAddress("glCheckFramebufferStatusEXT");
|
||||
renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
|
||||
}
|
||||
data->framebuffers = NULL;
|
||||
|
||||
/* Set up parameters for rendering */
|
||||
data->glDisable(GL_DEPTH_TEST);
|
||||
data->glDisable(GL_CULL_FACE);
|
||||
/* This ended up causing video discrepancies between OpenGL and Direct3D */
|
||||
/* data->glEnable(GL_LINE_SMOOTH); */
|
||||
|
||||
return renderer;
|
||||
|
||||
error:
|
||||
if (changed_window) {
|
||||
/* Uh oh, better try to put it back... */
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile_mask);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
|
||||
SDL_RecreateWindow(window, window_flags);
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
SDL_RenderDriver GL_RenderDriver = {
|
||||
GL_CreateRenderer,
|
||||
{
|
||||
"opengl",
|
||||
(SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
|
||||
1,
|
||||
{SDL_PIXELFORMAT_ARGB8888},
|
||||
0,
|
||||
0}
|
||||
};
|
||||
|
||||
|
||||
#endif /* SDL_VIDEO_RENDER_OGL && !SDL_RENDER_DISABLED */
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
|
|
|
|||
Loading…
Reference in New Issue