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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkExecutor.h"
#include "include/gpu/GrContextOptions.h"
#include "tools/flags/CommonFlags.h"
DEFINE_int(gpuThreads,
2,
"Create this many extra threads to assist with GPU work, "
"including software path rendering. Defaults to two.");
static DEFINE_bool(cachePathMasks, true,
"Allows path mask textures to be cached in GPU configs.");
static DEFINE_bool(allPathsVolatile, false,
"Causes all GPU paths to be processed as if 'setIsVolatile' had been called.");
static DEFINE_bool(gs, true, "Enables support for geometry shaders (if hw allows).");
static DEFINE_bool(hwtess, false, "Enables support for tessellation shaders (if hw allows.).");
static DEFINE_int(maxTessellationSegments, 0,
"Overrides the max number of tessellation segments supported by the caps.");
static DEFINE_string(pr, "",
"Set of enabled gpu path renderers. Defined as a list of: "
"[~]none [~]dashline [~]ccpr [~]aahairline [~]aaconvex [~]aalinearizing "
"[~]small [~]tri [~]tess [~]all");
static DEFINE_int(internalSamples, 4, "Number of samples for internal draws that use MSAA.");
static DEFINE_bool(disableDriverCorrectnessWorkarounds, false,
"Disables all GPU driver correctness workarounds");
static DEFINE_bool(dontReduceOpsTaskSplitting, false,
"Don't reorder tasks to reduce render passes");
static DEFINE_int(gpuResourceCacheLimit, -1,
"Maximum number of bytes to use for budgeted GPU resources. "
"Default is -1, which means GrResourceCache::kDefaultMaxSize.");
static GpuPathRenderers get_named_pathrenderers_flags(const char* name) {
if (!strcmp(name, "none")) {
return GpuPathRenderers::kNone;
} else if (!strcmp(name, "dashline")) {
return GpuPathRenderers::kDashLine;
} else if (!strcmp(name, "ccpr")) {
return GpuPathRenderers::kCoverageCounting;
} else if (!strcmp(name, "aahairline")) {
return GpuPathRenderers::kAAHairline;
} else if (!strcmp(name, "aaconvex")) {
return GpuPathRenderers::kAAConvex;
} else if (!strcmp(name, "aalinearizing")) {
return GpuPathRenderers::kAALinearizing;
} else if (!strcmp(name, "small")) {
return GpuPathRenderers::kSmall;
} else if (!strcmp(name, "tri")) {
return GpuPathRenderers::kTriangulating;
} else if (!strcmp(name, "tess")) {
return GpuPathRenderers::kTessellation;
} else if (!strcmp(name, "default")) {
return GpuPathRenderers::kDefault;
}
SK_ABORT("error: unknown named path renderer \"%s\"\n", name);
}
static GpuPathRenderers collect_gpu_path_renderers_from_flags() {
if (FLAGS_pr.isEmpty()) {
return GpuPathRenderers::kDefault;
}
GpuPathRenderers gpuPathRenderers = ('~' == FLAGS_pr[0][0])
? GpuPathRenderers::kDefault
: GpuPathRenderers::kNone;
for (int i = 0; i < FLAGS_pr.count(); ++i) {
const char* name = FLAGS_pr[i];
if (name[0] == '~') {
gpuPathRenderers &= ~get_named_pathrenderers_flags(&name[1]);
} else {
gpuPathRenderers |= get_named_pathrenderers_flags(name);
}
}
return gpuPathRenderers;
}
void SetCtxOptionsFromCommonFlags(GrContextOptions* ctxOptions) {
static std::unique_ptr<SkExecutor> gGpuExecutor = (0 != FLAGS_gpuThreads)
? SkExecutor::MakeFIFOThreadPool(FLAGS_gpuThreads)
: nullptr;
ctxOptions->fExecutor = gGpuExecutor.get();
ctxOptions->fAllowPathMaskCaching = FLAGS_cachePathMasks;
ctxOptions->fAllPathsVolatile = FLAGS_allPathsVolatile;
ctxOptions->fSuppressGeometryShaders = !FLAGS_gs;
ctxOptions->fEnableExperimentalHardwareTessellation = FLAGS_hwtess;
ctxOptions->fMaxTessellationSegmentsOverride = FLAGS_maxTessellationSegments;
ctxOptions->fGpuPathRenderers = collect_gpu_path_renderers_from_flags();
ctxOptions->fInternalMultisampleCount = FLAGS_internalSamples;
ctxOptions->fDisableDriverCorrectnessWorkarounds = FLAGS_disableDriverCorrectnessWorkarounds;
ctxOptions->fResourceCacheLimitOverride = FLAGS_gpuResourceCacheLimit;
if (FLAGS_dontReduceOpsTaskSplitting) {
ctxOptions->fReduceOpsTaskSplitting = GrContextOptions::Enable::kNo;
} else {
ctxOptions->fReduceOpsTaskSplitting = GrContextOptions::Enable::kYes;
}
}