From c01da21756597e157a434aac95c61d1afe33f01c Mon Sep 17 00:00:00 2001 From: "Ryan C. Gordon" Date: Mon, 24 Sep 2018 12:30:47 -0400 Subject: [PATCH] render: get rid of the predeclared functions in the GL and Metal renderers. (others to come as I continue to update render backends!) --- src/render/metal/SDL_render_metal.m | 564 +++++++++++++--------------- src/render/opengl/SDL_render_gl.c | 456 +++++++++++----------- 2 files changed, 474 insertions(+), 546 deletions(-) diff --git a/src/render/metal/SDL_render_metal.m b/src/render/metal/SDL_render_metal.m index 493c7c5e1..49d21b89b 100644 --- a/src/render/metal/SDL_render_metal.m +++ b/src/render/metal/SDL_render_metal.m @@ -46,62 +46,6 @@ /* Apple Metal renderer implementation */ -static SDL_Renderer *METAL_CreateRenderer(SDL_Window * window, Uint32 flags); -static void METAL_WindowEvent(SDL_Renderer * renderer, - const SDL_WindowEvent *event); -static int METAL_GetOutputSize(SDL_Renderer * renderer, int *w, int *h); -static SDL_bool METAL_SupportsBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode); -static int METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture); -static int METAL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, - const SDL_Rect * rect, const void *pixels, - int pitch); -static int METAL_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 METAL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, - const SDL_Rect * rect, void **pixels, int *pitch); -static void METAL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); -static int METAL_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture); -static int METAL_QueueSetViewport(SDL_Renderer * renderer, SDL_RenderCommand *cmd); -static int METAL_QueueSetDrawColor(SDL_Renderer * renderer, SDL_RenderCommand *cmd); -static int METAL_QueueDrawPoints(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FPoint * points, - int count); -static int METAL_QueueFillRects(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FRect * rects, - int count); -static int METAL_QueueCopy(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture, - const SDL_Rect * srcrect, const SDL_FRect * dstrect); -static int METAL_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 METAL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize); -static int METAL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect, - Uint32 pixel_format, void * pixels, int pitch); -static void METAL_RenderPresent(SDL_Renderer * renderer); -static void METAL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture); -static void METAL_DestroyRenderer(SDL_Renderer * renderer); -static void *METAL_GetMetalLayer(SDL_Renderer * renderer); -static void *METAL_GetMetalCommandEncoder(SDL_Renderer * 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, - } -}; - /* macOS requires constants in a buffer to have a 256 byte alignment. */ #ifdef __MACOSX__ #define CONSTANT_ALIGN 256 @@ -456,251 +400,6 @@ ChoosePipelineState(METAL_RenderData *data, METAL_ShaderPipelines *pipelines, SD return MakePipelineState(data, cache, [NSString stringWithFormat:@" (blend=custom 0x%x)", blendmode], blendmode); } -static SDL_Renderer * -METAL_CreateRenderer(SDL_Window * window, Uint32 flags) -{ @autoreleasepool { - SDL_Renderer *renderer = NULL; - METAL_RenderData *data = NULL; - id mtldevice = nil; - SDL_SysWMinfo syswm; - - SDL_VERSION(&syswm.version); - if (!SDL_GetWindowWMInfo(window, &syswm)) { - return NULL; - } - - if (IsMetalAvailable(&syswm) == -1) { - return NULL; - } - - renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer)); - if (!renderer) { - SDL_OutOfMemory(); - return NULL; - } - - // !!! FIXME: MTLCopyAllDevices() can find other GPUs on macOS... - mtldevice = MTLCreateSystemDefaultDevice(); - - if (mtldevice == nil) { - SDL_free(renderer); - SDL_SetError("Failed to obtain Metal device"); - return NULL; - } - - // !!! FIXME: error checking on all of this. - data = [[METAL_RenderData alloc] init]; - - renderer->driverdata = (void*)CFBridgingRetain(data); - renderer->window = window; - -#ifdef __MACOSX__ - NSView *view = Cocoa_Mtl_AddMetalView(window); - CAMetalLayer *layer = (CAMetalLayer *)[view layer]; - - layer.device = mtldevice; - - //layer.colorspace = nil; - -#else - UIView *view = UIKit_Mtl_AddMetalView(window); - CAMetalLayer *layer = (CAMetalLayer *)[view layer]; -#endif - - // Necessary for RenderReadPixels. - layer.framebufferOnly = NO; - - data.mtldevice = layer.device; - data.mtllayer = layer; - id mtlcmdqueue = [data.mtldevice newCommandQueue]; - data.mtlcmdqueue = mtlcmdqueue; - data.mtlcmdqueue.label = @"SDL Metal Renderer"; - data.mtlpassdesc = [MTLRenderPassDescriptor renderPassDescriptor]; - - NSError *err = nil; - - // The compiled .metallib is embedded in a static array in a header file - // but the original shader source code is in SDL_shaders_metal.metal. - dispatch_data_t mtllibdata = dispatch_data_create(sdl_metallib, sdl_metallib_len, dispatch_get_global_queue(0, 0), ^{}); - id mtllibrary = [data.mtldevice newLibraryWithData:mtllibdata error:&err]; - data.mtllibrary = mtllibrary; - SDL_assert(err == nil); -#if !__has_feature(objc_arc) - dispatch_release(mtllibdata); -#endif - data.mtllibrary.label = @"SDL Metal renderer shader library"; - - /* Do some shader pipeline state loading up-front rather than on demand. */ - data.pipelinescount = 0; - data.allpipelines = NULL; - ChooseShaderPipelines(data, MTLPixelFormatBGRA8Unorm); - - MTLSamplerDescriptor *samplerdesc = [[MTLSamplerDescriptor alloc] init]; - - samplerdesc.minFilter = MTLSamplerMinMagFilterNearest; - samplerdesc.magFilter = MTLSamplerMinMagFilterNearest; - id mtlsamplernearest = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc]; - data.mtlsamplernearest = mtlsamplernearest; - - samplerdesc.minFilter = MTLSamplerMinMagFilterLinear; - samplerdesc.magFilter = MTLSamplerMinMagFilterLinear; - id 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 mtlbufconstantstaging = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModeShared]; - #if !__has_feature(objc_arc) - [mtlbufconstantstaging autorelease]; - #endif - mtlbufconstantstaging.label = @"SDL constant staging data"; - - id 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 cmdbuffer = [data.mtlcmdqueue commandBuffer]; - id 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; -}} - static void METAL_ActivateRenderCommandEncoder(SDL_Renderer * renderer, MTLLoadAction load, MTLClearColor *clear_color) { @@ -1573,6 +1272,269 @@ METAL_GetMetalCommandEncoder(SDL_Renderer * renderer) return (__bridge void*)data.mtlcmdencoder; }} +static SDL_Renderer * +METAL_CreateRenderer(SDL_Window * window, Uint32 flags) +{ @autoreleasepool { + SDL_Renderer *renderer = NULL; + METAL_RenderData *data = NULL; + id mtldevice = nil; + SDL_SysWMinfo syswm; + + SDL_VERSION(&syswm.version); + if (!SDL_GetWindowWMInfo(window, &syswm)) { + return NULL; + } + + if (IsMetalAvailable(&syswm) == -1) { + return NULL; + } + + renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer)); + if (!renderer) { + SDL_OutOfMemory(); + return NULL; + } + + // !!! FIXME: MTLCopyAllDevices() can find other GPUs on macOS... + mtldevice = MTLCreateSystemDefaultDevice(); + + if (mtldevice == nil) { + SDL_free(renderer); + SDL_SetError("Failed to obtain Metal device"); + return NULL; + } + + // !!! FIXME: error checking on all of this. + data = [[METAL_RenderData alloc] init]; + + renderer->driverdata = (void*)CFBridgingRetain(data); + renderer->window = window; + +#ifdef __MACOSX__ + NSView *view = Cocoa_Mtl_AddMetalView(window); + CAMetalLayer *layer = (CAMetalLayer *)[view layer]; + + layer.device = mtldevice; + + //layer.colorspace = nil; + +#else + UIView *view = UIKit_Mtl_AddMetalView(window); + CAMetalLayer *layer = (CAMetalLayer *)[view layer]; +#endif + + // Necessary for RenderReadPixels. + layer.framebufferOnly = NO; + + data.mtldevice = layer.device; + data.mtllayer = layer; + id mtlcmdqueue = [data.mtldevice newCommandQueue]; + data.mtlcmdqueue = mtlcmdqueue; + data.mtlcmdqueue.label = @"SDL Metal Renderer"; + data.mtlpassdesc = [MTLRenderPassDescriptor renderPassDescriptor]; + + NSError *err = nil; + + // The compiled .metallib is embedded in a static array in a header file + // but the original shader source code is in SDL_shaders_metal.metal. + dispatch_data_t mtllibdata = dispatch_data_create(sdl_metallib, sdl_metallib_len, dispatch_get_global_queue(0, 0), ^{}); + id mtllibrary = [data.mtldevice newLibraryWithData:mtllibdata error:&err]; + data.mtllibrary = mtllibrary; + SDL_assert(err == nil); +#if !__has_feature(objc_arc) + dispatch_release(mtllibdata); +#endif + data.mtllibrary.label = @"SDL Metal renderer shader library"; + + /* Do some shader pipeline state loading up-front rather than on demand. */ + data.pipelinescount = 0; + data.allpipelines = NULL; + ChooseShaderPipelines(data, MTLPixelFormatBGRA8Unorm); + + MTLSamplerDescriptor *samplerdesc = [[MTLSamplerDescriptor alloc] init]; + + samplerdesc.minFilter = MTLSamplerMinMagFilterNearest; + samplerdesc.magFilter = MTLSamplerMinMagFilterNearest; + id mtlsamplernearest = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc]; + data.mtlsamplernearest = mtlsamplernearest; + + samplerdesc.minFilter = MTLSamplerMinMagFilterLinear; + samplerdesc.magFilter = MTLSamplerMinMagFilterLinear; + id 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 mtlbufconstantstaging = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModeShared]; + #if !__has_feature(objc_arc) + [mtlbufconstantstaging autorelease]; + #endif + mtlbufconstantstaging.label = @"SDL constant staging data"; + + id 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 cmdbuffer = [data.mtlcmdqueue commandBuffer]; + id 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: */ diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c index 765f49c7d..ebde16c4c 100644 --- a/src/render/opengl/SDL_render_gl.c +++ b/src/render/opengl/SDL_render_gl.c @@ -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: */