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Fix C89 declaration for macOS modules.

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Since Clang 14, `-Wdeclaration-after-statement` is enforced on every
standard.
This commit is contained in:
Pierre Wendling
2022-06-27 15:43:17 -04:00
committed by Sam Lantinga
parent e4a8087551
commit 6c536afdb7
17 changed files with 375 additions and 270 deletions
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236
src/render/metal/SDL_render_metal.m
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@@ -240,16 +240,24 @@ static id<MTLRenderPipelineState>
MakePipelineState(METAL_RenderData *data, METAL_PipelineCache *cache,
NSString *blendlabel, SDL_BlendMode blendmode)
{
MTLRenderPipelineDescriptor *mtlpipedesc;
MTLVertexDescriptor *vertdesc;
MTLRenderPipelineColorAttachmentDescriptor *rtdesc;
NSError *err = nil;
id<MTLRenderPipelineState> state;
METAL_PipelineState pipeline;
METAL_PipelineState *states;
id<MTLFunction> mtlvertfn = [data.mtllibrary newFunctionWithName:GetVertexFunctionName(cache->vertexFunction)];
id<MTLFunction> mtlfragfn = [data.mtllibrary newFunctionWithName:GetFragmentFunctionName(cache->fragmentFunction)];
SDL_assert(mtlvertfn != nil);
SDL_assert(mtlfragfn != nil);
MTLRenderPipelineDescriptor *mtlpipedesc = [[MTLRenderPipelineDescriptor alloc] init];
mtlpipedesc = [[MTLRenderPipelineDescriptor alloc] init];
mtlpipedesc.vertexFunction = mtlvertfn;
mtlpipedesc.fragmentFunction = mtlfragfn;
MTLVertexDescriptor *vertdesc = [MTLVertexDescriptor vertexDescriptor];
vertdesc = [MTLVertexDescriptor vertexDescriptor];
switch (cache->vertexFunction) {
case SDL_METAL_VERTEX_SOLID:
@@ -287,7 +295,7 @@ MakePipelineState(METAL_RenderData *data, METAL_PipelineCache *cache,
mtlpipedesc.vertexDescriptor = vertdesc;
MTLRenderPipelineColorAttachmentDescriptor *rtdesc = mtlpipedesc.colorAttachments[0];
rtdesc = mtlpipedesc.colorAttachments[0];
rtdesc.pixelFormat = cache->renderTargetFormat;
if (blendmode != SDL_BLENDMODE_NONE) {
@@ -304,15 +312,13 @@ MakePipelineState(METAL_RenderData *data, METAL_PipelineCache *cache,
mtlpipedesc.label = [@(cache->label) stringByAppendingString:blendlabel];
NSError *err = nil;
id<MTLRenderPipelineState> state = [data.mtldevice newRenderPipelineStateWithDescriptor:mtlpipedesc error:&err];
state = [data.mtldevice newRenderPipelineStateWithDescriptor:mtlpipedesc error:&err];
SDL_assert(err == nil);
METAL_PipelineState pipeline;
pipeline.blendMode = blendmode;
pipeline.pipe = (void *)CFBridgingRetain(state);
METAL_PipelineState *states = SDL_realloc(cache->states, (cache->count + 1) * sizeof(pipeline));
states = SDL_realloc(cache->states, (cache->count + 1) * sizeof(pipeline));
if (states) {
states[cache->count++] = pipeline;
@@ -542,6 +548,10 @@ METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{ @autoreleasepool {
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
MTLPixelFormat pixfmt;
MTLTextureDescriptor *mtltexdesc;
id<MTLTexture> mtltexture, mtltexture_uv;
BOOL yuv, nv12;
METAL_TextureData *texturedata;
switch (texture->format) {
case SDL_PIXELFORMAT_ABGR8888:
@@ -560,7 +570,7 @@ METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
return SDL_SetError("Texture format %s not supported by Metal", SDL_GetPixelFormatName(texture->format));
}
MTLTextureDescriptor *mtltexdesc = [MTLTextureDescriptor texture2DDescriptorWithPixelFormat:pixfmt
mtltexdesc = [MTLTextureDescriptor texture2DDescriptorWithPixelFormat:pixfmt
width:(NSUInteger)texture->w height:(NSUInteger)texture->h mipmapped:NO];
/* Not available in iOS 8. */
@@ -572,15 +582,15 @@ METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
}
}
id<MTLTexture> mtltexture = [data.mtldevice newTextureWithDescriptor:mtltexdesc];
mtltexture = [data.mtldevice newTextureWithDescriptor:mtltexdesc];
if (mtltexture == nil) {
return SDL_SetError("Texture allocation failed");
}
id<MTLTexture> mtltexture_uv = nil;
mtltexture_uv = nil;
#if SDL_HAVE_YUV
BOOL yuv = (texture->format == SDL_PIXELFORMAT_IYUV) || (texture->format == SDL_PIXELFORMAT_YV12);
BOOL nv12 = (texture->format == SDL_PIXELFORMAT_NV12) || (texture->format == SDL_PIXELFORMAT_NV21);
yuv = (texture->format == SDL_PIXELFORMAT_IYUV) || (texture->format == SDL_PIXELFORMAT_YV12);
nv12 = (texture->format == SDL_PIXELFORMAT_NV12) || (texture->format == SDL_PIXELFORMAT_NV21);
if (yuv) {
mtltexdesc.pixelFormat = MTLPixelFormatR8Unorm;
@@ -601,7 +611,7 @@ METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
}
}
#endif /* SDL_HAVE_YUV */
METAL_TextureData *texturedata = [[METAL_TextureData alloc] init];
texturedata = [[METAL_TextureData alloc] init];
if (texture->scaleMode == SDL_ScaleModeNearest) {
texturedata.mtlsampler = data.mtlsamplernearest;
} else {
@@ -672,6 +682,8 @@ METAL_UpdateTextureInternal(SDL_Renderer * renderer, METAL_TextureData *textured
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
SDL_Rect stagingrect = {0, 0, rect.w, rect.h};
MTLTextureDescriptor *desc;
id<MTLTexture> stagingtex;
id<MTLBlitCommandEncoder> blitcmd;
/* If the texture is managed or shared and this is the first upload, we can
* use replaceRegion to upload to it directly. Otherwise we upload the data
@@ -693,7 +705,7 @@ METAL_UpdateTextureInternal(SDL_Renderer * renderer, METAL_TextureData *textured
/* TODO: We could have a pool of textures or a MTLHeap we allocate from,
* and release a staging texture back to the pool in the command buffer's
* completion handler. */
id<MTLTexture> stagingtex = [data.mtldevice newTextureWithDescriptor:desc];
stagingtex = [data.mtldevice newTextureWithDescriptor:desc];
if (stagingtex == nil) {
return SDL_OutOfMemory();
}
@@ -709,7 +721,7 @@ METAL_UpdateTextureInternal(SDL_Renderer * renderer, METAL_TextureData *textured
data.mtlcmdbuffer = [data.mtlcmdqueue commandBuffer];
}
id<MTLBlitCommandEncoder> blitcmd = [data.mtlcmdbuffer blitCommandEncoder];
blitcmd = [data.mtlcmdbuffer blitCommandEncoder];
[blitcmd copyFromTexture:stagingtex
sourceSlice:0
@@ -877,6 +889,7 @@ METAL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{ @autoreleasepool {
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
METAL_TextureData *texturedata = (__bridge METAL_TextureData *)texture->driverdata;
id<MTLBlitCommandEncoder> blitcmd;
SDL_Rect rect = texturedata.lockedrect;
int pitch = SDL_BYTESPERPIXEL(texture->format) * rect.w;
SDL_Rect UVrect = {rect.x / 2, rect.y / 2, (rect.w + 1) / 2, (rect.h + 1) / 2};
@@ -894,7 +907,7 @@ METAL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
data.mtlcmdbuffer = [data.mtlcmdqueue commandBuffer];
}
id<MTLBlitCommandEncoder> blitcmd = [data.mtlcmdbuffer blitCommandEncoder];
blitcmd = [data.mtlcmdbuffer blitCommandEncoder];
[blitcmd copyFromBuffer:texturedata.lockedbuffer
sourceOffset:0
@@ -1068,11 +1081,13 @@ METAL_QueueDrawLines(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_
cmd->data.draw.b,
cmd->data.draw.a
};
size_t vertlen;
float *verts;
SDL_assert(count >= 2); /* should have been checked at the higher level. */
const size_t vertlen = (2 * sizeof (float) + sizeof (SDL_Color)) * count;
float *verts = (float *) SDL_AllocateRenderVertices(renderer, vertlen, DEVICE_ALIGN(8), &cmd->data.draw.first);
vertlen = (2 * sizeof (float) + sizeof (SDL_Color)) * count;
verts = (float *) SDL_AllocateRenderVertices(renderer, vertlen, DEVICE_ALIGN(8), &cmd->data.draw.first);
if (!verts) {
return -1;
}
@@ -1095,15 +1110,17 @@ METAL_QueueDrawLines(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_
points -= 2; /* update the last line. */
verts -= 2 + 1;
const float xstart = points[0].x;
const float ystart = points[0].y;
const float xend = points[1].x;
const float yend = points[1].y;
{
const float xstart = points[0].x;
const float ystart = points[0].y;
const float xend = points[1].x;
const float yend = points[1].y;
if (ystart == yend) { /* horizontal line */
verts[0] += (xend > xstart) ? 1.0f : -1.0f;
} else if (xstart == xend) { /* vertical line */
verts[1] += (yend > ystart) ? 1.0f : -1.0f;
if (ystart == yend) { /* horizontal line */
verts[0] += (xend > xstart) ? 1.0f : -1.0f;
} else if (xstart == xend) { /* vertical line */
verts[1] += (yend > ystart) ? 1.0f : -1.0f;
}
}
return 0;
@@ -1127,6 +1144,7 @@ METAL_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture
for (int i = 0; i < count; i++) {
int j;
float *xy_;
if (size_indices == 4) {
j = ((const Uint32 *)indices)[i];
} else if (size_indices == 2) {
@@ -1137,7 +1155,7 @@ METAL_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture
j = i;
}
float *xy_ = (float *)((char*)xy + j * xy_stride);
xy_ = (float *)((char*)xy + j * xy_stride);
*(verts++) = xy_[0] * scale_x;
*(verts++) = xy_[1] * scale_y;
@@ -1282,11 +1300,10 @@ static int
METAL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize)
{ @autoreleasepool {
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
id<MTLBuffer> mtlbufvertex = nil;
METAL_DrawStateCache statecache;
SDL_zero(statecache);
id<MTLBuffer> mtlbufvertex = nil;
statecache.pipeline = nil;
statecache.vertex_buffer = nil;
statecache.constants_offset = CONSTANTS_OFFSET_INVALID;
@@ -1363,15 +1380,17 @@ METAL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
statecache.cliprect_dirty = SDL_TRUE;
statecache.viewport_dirty = SDL_TRUE;
const Uint8 r = cmd->data.color.r;
const Uint8 g = cmd->data.color.g;
const Uint8 b = cmd->data.color.b;
const Uint8 a = cmd->data.color.a;
MTLClearColor color = MTLClearColorMake(r / 255.0f, g / 255.0f, b / 255.0f, a / 255.0f);
{
const Uint8 r = cmd->data.color.r;
const Uint8 g = cmd->data.color.g;
const Uint8 b = cmd->data.color.b;
const Uint8 a = cmd->data.color.a;
MTLClearColor color = MTLClearColorMake(r / 255.0f, g / 255.0f, b / 255.0f, a / 255.0f);
// get new command encoder, set up with an initial clear operation.
// (this might fail, and future draw operations will notice.)
METAL_ActivateRenderCommandEncoder(renderer, MTLLoadActionClear, &color, mtlbufvertex);
// get new command encoder, set up with an initial clear operation.
// (this might fail, and future draw operations will notice.)
METAL_ActivateRenderCommandEncoder(renderer, MTLLoadActionClear, &color, mtlbufvertex);
}
break;
}
@@ -1424,12 +1443,17 @@ METAL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 pixel_format, void * pixels, int pitch)
{ @autoreleasepool {
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
id<MTLTexture> mtltexture;
MTLRegion mtlregion;
int temp_pitch, status;
Uint32 temp_format;
void *temp_pixels;
if (!METAL_ActivateRenderCommandEncoder(renderer, MTLLoadActionLoad, NULL, nil)) {
return SDL_SetError("Failed to activate render command encoder (is your window in the background?");
}
[data.mtlcmdencoder endEncoding];
id<MTLTexture> mtltexture = data.mtlpassdesc.colorAttachments[0].texture;
mtltexture = data.mtlpassdesc.colorAttachments[0].texture;
#ifdef __MACOSX__
/* on macOS with managed-storage textures, we need to tell the driver to
@@ -1450,19 +1474,19 @@ METAL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
data.mtlcmdencoder = nil;
data.mtlcmdbuffer = nil;
MTLRegion mtlregion = MTLRegionMake2D(rect->x, rect->y, rect->w, rect->h);
mtlregion = MTLRegionMake2D(rect->x, rect->y, rect->w, rect->h);
// we only do BGRA8 or RGBA8 at the moment, so 4 will do.
const int temp_pitch = rect->w * 4;
void *temp_pixels = SDL_malloc(temp_pitch * rect->h);
temp_pitch = rect->w * 4;
temp_pixels = SDL_malloc(temp_pitch * rect->h);
if (!temp_pixels) {
return SDL_OutOfMemory();
}
[mtltexture getBytes:temp_pixels bytesPerRow:temp_pitch fromRegion:mtlregion mipmapLevel:0];
const Uint32 temp_format = (mtltexture.pixelFormat == MTLPixelFormatBGRA8Unorm) ? SDL_PIXELFORMAT_ARGB8888 : SDL_PIXELFORMAT_ABGR8888;
const int status = SDL_ConvertPixels(rect->w, rect->h, temp_format, temp_pixels, temp_pitch, pixel_format, pixels, pitch);
temp_format = (mtltexture.pixelFormat == MTLPixelFormatBGRA8Unorm) ? SDL_PIXELFORMAT_ARGB8888 : SDL_PIXELFORMAT_ABGR8888;
status = SDL_ConvertPixels(rect->w, rect->h, temp_format, temp_pixels, temp_pitch, pixel_format, pixels, pitch);
SDL_free(temp_pixels);
return status;
}}
@@ -1542,8 +1566,9 @@ METAL_GetMetalCommandEncoder(SDL_Renderer * renderer)
// note that data.mtlcmdencoder can be nil if METAL_ActivateRenderCommandEncoder fails.
// Before SDL 2.0.18, it might have returned a non-nil encoding that might not have been
// usable for presentation. Check your return values!
METAL_RenderData *data;
METAL_ActivateRenderCommandEncoder(renderer, MTLLoadActionLoad, NULL, nil);
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
data = (__bridge METAL_RenderData *) renderer->driverdata;
return (__bridge void*)data.mtlcmdencoder;
}}
@@ -1603,8 +1628,58 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
SDL_MetalView view = NULL;
CAMetalLayer *layer = nil;
SDL_SysWMinfo syswm;
Uint32 window_flags;
SDL_bool changed_window = SDL_FALSE;
NSError *err = nil;
dispatch_data_t mtllibdata;
char *constantdata;
int maxtexsize, quadcount = UINT16_MAX / 4;
UInt16 *indexdata;
Uint32 window_flags;
size_t indicessize = sizeof(UInt16) * quadcount * 6;
MTLSamplerDescriptor *samplerdesc;
id<MTLCommandQueue> mtlcmdqueue;
id<MTLLibrary> mtllibrary;
id<MTLSamplerState> mtlsamplernearest, mtlsamplerlinear;
id<MTLBuffer> mtlbufconstantstaging, mtlbufquadindicesstaging, mtlbufconstants, mtlbufquadindices;
id<MTLCommandBuffer> cmdbuffer;
id<MTLBlitCommandEncoder> blitcmd;
/* 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 */
};
SDL_VERSION(&syswm.version);
if (!SDL_GetWindowWMInfo(window, &syswm)) {
@@ -1691,17 +1766,15 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
data.mtldevice = layer.device;
data.mtllayer = layer;
id<MTLCommandQueue> mtlcmdqueue = [data.mtldevice newCommandQueue];
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> mtllibrary = [data.mtldevice newLibraryWithData:mtllibdata error:&err];
mtllibdata = dispatch_data_create(sdl_metallib, sdl_metallib_len, dispatch_get_global_queue(0, 0), ^{});
mtllibrary = [data.mtldevice newLibraryWithData:mtllibdata error:&err];
data.mtllibrary = mtllibrary;
SDL_assert(err == nil);
data.mtllibrary.label = @"SDL Metal renderer shader library";
@@ -1711,74 +1784,35 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
data.allpipelines = NULL;
ChooseShaderPipelines(data, MTLPixelFormatBGRA8Unorm);
MTLSamplerDescriptor *samplerdesc = [[MTLSamplerDescriptor alloc] init];
samplerdesc = [[MTLSamplerDescriptor alloc] init];
samplerdesc.minFilter = MTLSamplerMinMagFilterNearest;
samplerdesc.magFilter = MTLSamplerMinMagFilterNearest;
id<MTLSamplerState> mtlsamplernearest = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc];
mtlsamplernearest = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc];
data.mtlsamplernearest = mtlsamplernearest;
samplerdesc.minFilter = MTLSamplerMinMagFilterLinear;
samplerdesc.magFilter = MTLSamplerMinMagFilterLinear;
id<MTLSamplerState> mtlsamplerlinear = [data.mtldevice newSamplerStateWithDescriptor:samplerdesc];
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,
};
mtlbufconstantstaging = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModeShared];
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 */
};
id<MTLBuffer> mtlbufconstantstaging = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModeShared];
char *constantdata = [mtlbufconstantstaging contents];
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));
int quadcount = UINT16_MAX / 4;
size_t indicessize = sizeof(UInt16) * quadcount * 6;
id<MTLBuffer> mtlbufquadindicesstaging = [data.mtldevice newBufferWithLength:indicessize options:MTLResourceStorageModeShared];
mtlbufquadindicesstaging = [data.mtldevice newBufferWithLength:indicessize options:MTLResourceStorageModeShared];
/* Quads in the following vertex order (matches the FillRects vertices):
* 1---3
* | \ |
* 0---2
*/
UInt16 *indexdata = [mtlbufquadindicesstaging contents];
indexdata = [mtlbufquadindicesstaging contents];
for (int i = 0; i < quadcount; i++) {
indexdata[i * 6 + 0] = i * 4 + 0;
indexdata[i * 6 + 1] = i * 4 + 1;
@@ -1789,16 +1823,16 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
indexdata[i * 6 + 5] = i * 4 + 3;
}
id<MTLBuffer> mtlbufconstants = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModePrivate];
mtlbufconstants = [data.mtldevice newBufferWithLength:CONSTANTS_LENGTH options:MTLResourceStorageModePrivate];
data.mtlbufconstants = mtlbufconstants;
data.mtlbufconstants.label = @"SDL constant data";
id<MTLBuffer> mtlbufquadindices = [data.mtldevice newBufferWithLength:indicessize options:MTLResourceStorageModePrivate];
mtlbufquadindices = [data.mtldevice newBufferWithLength:indicessize options:MTLResourceStorageModePrivate];
data.mtlbufquadindices = mtlbufquadindices;
data.mtlbufquadindices.label = @"SDL quad index buffer";
id<MTLCommandBuffer> cmdbuffer = [data.mtlcmdqueue commandBuffer];
id<MTLBlitCommandEncoder> blitcmd = [cmdbuffer blitCommandEncoder];
cmdbuffer = [data.mtlcmdqueue commandBuffer];
blitcmd = [cmdbuffer blitCommandEncoder];
[blitcmd copyFromBuffer:mtlbufconstantstaging sourceOffset:0 toBuffer:mtlbufconstants destinationOffset:0 size:CONSTANTS_LENGTH];
[blitcmd copyFromBuffer:mtlbufquadindicesstaging sourceOffset:0 toBuffer:mtlbufquadindices destinationOffset:0 size:indicessize];
@@ -1853,7 +1887,7 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
}
/* https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf */
int maxtexsize = 4096;
maxtexsize = 4096;
#if defined(__MACOSX__) || TARGET_OS_MACCATALYST
maxtexsize = 16384;
#elif defined(__TVOS__)