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skia2/tools/gpu/gl/GLTestContext.cpp
Greg Daniel 02611d9afd Add Make[backend] calls for creating GrContexts 
Docs-Preview: https://skia.org/?cl=26369
Bug: skia:
Change-Id: I460ee63e466f85b05918479f068a2e5ca2d70550
Reviewed-on: https://skia-review.googlesource.com/26369
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2017-07-25 14:33:03 +00:00

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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GLTestContext.h"
#include "GrContext.h"
#include "GpuTimer.h"
#include "gl/GrGLUtil.h"
namespace {
class GLFenceSync : public sk_gpu_test::FenceSync {
public:
static std::unique_ptr<GLFenceSync> MakeIfSupported(const sk_gpu_test::GLTestContext*);
sk_gpu_test::PlatformFence SK_WARN_UNUSED_RESULT insertFence() const override;
bool waitFence(sk_gpu_test::PlatformFence fence) const override;
void deleteFence(sk_gpu_test::PlatformFence fence) const override;
private:
GLFenceSync(const sk_gpu_test::GLTestContext*, const char* ext = "");
bool validate() { return fGLFenceSync && fGLClientWaitSync && fGLDeleteSync; }
static constexpr GrGLenum GL_SYNC_GPU_COMMANDS_COMPLETE = 0x9117;
static constexpr GrGLenum GL_WAIT_FAILED = 0x911d;
static constexpr GrGLbitfield GL_SYNC_FLUSH_COMMANDS_BIT = 0x00000001;
typedef struct __GLsync *GLsync;
GR_STATIC_ASSERT(sizeof(GLsync) <= sizeof(sk_gpu_test::PlatformFence));
typedef GLsync (GR_GL_FUNCTION_TYPE* GLFenceSyncProc) (GrGLenum, GrGLbitfield);
typedef GrGLenum (GR_GL_FUNCTION_TYPE* GLClientWaitSyncProc) (GLsync, GrGLbitfield, GrGLuint64);
typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GLDeleteSyncProc) (GLsync);
GLFenceSyncProc fGLFenceSync;
GLClientWaitSyncProc fGLClientWaitSync;
GLDeleteSyncProc fGLDeleteSync;
typedef FenceSync INHERITED;
};
std::unique_ptr<GLFenceSync> GLFenceSync::MakeIfSupported(const sk_gpu_test::GLTestContext* ctx) {
std::unique_ptr<GLFenceSync> ret;
if (kGL_GrGLStandard == ctx->gl()->fStandard) {
if (GrGLGetVersion(ctx->gl()) < GR_GL_VER(3,2) && !ctx->gl()->hasExtension("GL_ARB_sync")) {
return nullptr;
}
ret.reset(new GLFenceSync(ctx));
} else {
if (ctx->gl()->hasExtension("GL_APPLE_sync")) {
ret.reset(new GLFenceSync(ctx, "APPLE"));
} else if (GrGLGetVersion(ctx->gl()) >= GR_GL_VER(3, 0)) {
ret.reset(new GLFenceSync(ctx));
} else {
return nullptr;
}
}
if (!ret->validate()) {
ret = nullptr;
}
return ret;
}
GLFenceSync::GLFenceSync(const sk_gpu_test::GLTestContext* ctx, const char* ext) {
ctx->getGLProcAddress(&fGLFenceSync, "glFenceSync");
ctx->getGLProcAddress(&fGLClientWaitSync, "glClientWaitSync");
ctx->getGLProcAddress(&fGLDeleteSync, "glDeleteSync");
}
sk_gpu_test::PlatformFence GLFenceSync::insertFence() const {
__GLsync* glsync = fGLFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
return reinterpret_cast<sk_gpu_test::PlatformFence>(glsync);
}
bool GLFenceSync::waitFence(sk_gpu_test::PlatformFence fence) const {
GLsync glsync = reinterpret_cast<GLsync>(fence);
return GL_WAIT_FAILED != fGLClientWaitSync(glsync, GL_SYNC_FLUSH_COMMANDS_BIT, -1);
}
void GLFenceSync::deleteFence(sk_gpu_test::PlatformFence fence) const {
GLsync glsync = reinterpret_cast<GLsync>(fence);
fGLDeleteSync(glsync);
}
class GLGpuTimer : public sk_gpu_test::GpuTimer {
public:
static std::unique_ptr<GLGpuTimer> MakeIfSupported(const sk_gpu_test::GLTestContext*);
QueryStatus checkQueryStatus(sk_gpu_test::PlatformTimerQuery) override;
std::chrono::nanoseconds getTimeElapsed(sk_gpu_test::PlatformTimerQuery) override;
void deleteQuery(sk_gpu_test::PlatformTimerQuery) override;
private:
GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext*, const char* ext = "");
bool validate() const;
sk_gpu_test::PlatformTimerQuery onQueueTimerStart() const override;
void onQueueTimerStop(sk_gpu_test::PlatformTimerQuery) const override;
static constexpr GrGLenum GL_QUERY_RESULT = 0x8866;
static constexpr GrGLenum GL_QUERY_RESULT_AVAILABLE = 0x8867;
static constexpr GrGLenum GL_TIME_ELAPSED = 0x88bf;
static constexpr GrGLenum GL_GPU_DISJOINT = 0x8fbb;
typedef void (GR_GL_FUNCTION_TYPE* GLGetIntegervProc) (GrGLenum, GrGLint*);
typedef void (GR_GL_FUNCTION_TYPE* GLGenQueriesProc) (GrGLsizei, GrGLuint*);
typedef void (GR_GL_FUNCTION_TYPE* GLDeleteQueriesProc) (GrGLsizei, const GrGLuint*);
typedef void (GR_GL_FUNCTION_TYPE* GLBeginQueryProc) (GrGLenum, GrGLuint);
typedef void (GR_GL_FUNCTION_TYPE* GLEndQueryProc) (GrGLenum);
typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectuivProc) (GrGLuint, GrGLenum, GrGLuint*);
typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectui64vProc) (GrGLuint, GrGLenum, GrGLuint64*);
GLGetIntegervProc fGLGetIntegerv;
GLGenQueriesProc fGLGenQueries;
GLDeleteQueriesProc fGLDeleteQueries;
GLBeginQueryProc fGLBeginQuery;
GLEndQueryProc fGLEndQuery;
GLGetQueryObjectuivProc fGLGetQueryObjectuiv;
GLGetQueryObjectui64vProc fGLGetQueryObjectui64v;
typedef sk_gpu_test::GpuTimer INHERITED;
};
std::unique_ptr<GLGpuTimer> GLGpuTimer::MakeIfSupported(const sk_gpu_test::GLTestContext* ctx) {
std::unique_ptr<GLGpuTimer> ret;
const GrGLInterface* gl = ctx->gl();
if (gl->fExtensions.has("GL_EXT_disjoint_timer_query")) {
ret.reset(new GLGpuTimer(true, ctx, "EXT"));
} else if (kGL_GrGLStandard == gl->fStandard &&
(GrGLGetVersion(gl) > GR_GL_VER(3,3) || gl->fExtensions.has("GL_ARB_timer_query"))) {
ret.reset(new GLGpuTimer(false, ctx));
} else if (gl->fExtensions.has("GL_EXT_timer_query")) {
ret.reset(new GLGpuTimer(false, ctx, "EXT"));
}
if (ret && !ret->validate()) {
ret = nullptr;
}
return ret;
}
GLGpuTimer::GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext* ctx, const char* ext)
: INHERITED(disjointSupport) {
ctx->getGLProcAddress(&fGLGetIntegerv, "glGetIntegerv");
ctx->getGLProcAddress(&fGLGenQueries, "glGenQueries", ext);
ctx->getGLProcAddress(&fGLDeleteQueries, "glDeleteQueries", ext);
ctx->getGLProcAddress(&fGLBeginQuery, "glBeginQuery", ext);
ctx->getGLProcAddress(&fGLEndQuery, "glEndQuery", ext);
ctx->getGLProcAddress(&fGLGetQueryObjectuiv, "glGetQueryObjectuiv", ext);
ctx->getGLProcAddress(&fGLGetQueryObjectui64v, "glGetQueryObjectui64v", ext);
}
bool GLGpuTimer::validate() const {
return fGLGetIntegerv && fGLGenQueries && fGLDeleteQueries && fGLBeginQuery && fGLEndQuery &&
fGLGetQueryObjectuiv && fGLGetQueryObjectui64v;
}
sk_gpu_test::PlatformTimerQuery GLGpuTimer::onQueueTimerStart() const {
GrGLuint queryID;
fGLGenQueries(1, &queryID);
if (!queryID) {
return sk_gpu_test::kInvalidTimerQuery;
}
if (this->disjointSupport()) {
// Clear the disjoint flag.
GrGLint disjoint;
fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
}
fGLBeginQuery(GL_TIME_ELAPSED, queryID);
return static_cast<sk_gpu_test::PlatformTimerQuery>(queryID);
}
void GLGpuTimer::onQueueTimerStop(sk_gpu_test::PlatformTimerQuery platformTimer) const {
if (sk_gpu_test::kInvalidTimerQuery == platformTimer) {
return;
}
fGLEndQuery(GL_TIME_ELAPSED);
}
sk_gpu_test::GpuTimer::QueryStatus
GLGpuTimer::checkQueryStatus(sk_gpu_test::PlatformTimerQuery platformTimer) {
const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
if (!queryID) {
return QueryStatus::kInvalid;
}
GrGLuint available = 0;
fGLGetQueryObjectuiv(queryID, GL_QUERY_RESULT_AVAILABLE, &available);
if (!available) {
return QueryStatus::kPending;
}
if (this->disjointSupport()) {
GrGLint disjoint = 1;
fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
if (disjoint) {
return QueryStatus::kDisjoint;
}
}
return QueryStatus::kAccurate;
}
std::chrono::nanoseconds GLGpuTimer::getTimeElapsed(sk_gpu_test::PlatformTimerQuery platformTimer) {
SkASSERT(this->checkQueryStatus(platformTimer) >= QueryStatus::kDisjoint);
const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
GrGLuint64 nanoseconds;
fGLGetQueryObjectui64v(queryID, GL_QUERY_RESULT, &nanoseconds);
return std::chrono::nanoseconds(nanoseconds);
}
void GLGpuTimer::deleteQuery(sk_gpu_test::PlatformTimerQuery platformTimer) {
const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
fGLDeleteQueries(1, &queryID);
}
GR_STATIC_ASSERT(sizeof(GrGLuint) <= sizeof(sk_gpu_test::PlatformTimerQuery));
} // anonymous namespace
namespace sk_gpu_test {
GLTestContext::GLTestContext() : TestContext() {}
GLTestContext::~GLTestContext() {
SkASSERT(nullptr == fGL.get());
}
void GLTestContext::init(const GrGLInterface* gl, std::unique_ptr<FenceSync> fenceSync) {
SkASSERT(!fGL.get());
fGL.reset(gl);
fFenceSync = fenceSync ? std::move(fenceSync) : GLFenceSync::MakeIfSupported(this);
fGpuTimer = GLGpuTimer::MakeIfSupported(this);
}
void GLTestContext::teardown() {
fGL.reset(nullptr);
INHERITED::teardown();
}
void GLTestContext::testAbandon() {
INHERITED::testAbandon();
if (fGL) {
fGL->abandon();
}
}
void GLTestContext::submit() {
if (fGL) {
GR_GL_CALL(fGL.get(), Flush());
}
}
void GLTestContext::finish() {
if (fGL) {
GR_GL_CALL(fGL.get(), Finish());
}
}
GrGLint GLTestContext::createTextureRectangle(int width, int height, GrGLenum internalFormat,
GrGLenum externalFormat, GrGLenum externalType,
GrGLvoid* data) {
if (!(kGL_GrGLStandard == fGL->fStandard && GrGLGetVersion(fGL.get()) >= GR_GL_VER(3, 1)) &&
!fGL->fExtensions.has("GL_ARB_texture_rectangle")) {
return 0;
}
if (GrGLGetGLSLVersion(fGL.get()) < GR_GLSL_VER(1, 40)) {
return 0;
}
GrGLuint id;
GR_GL_CALL(fGL.get(), GenTextures(1, &id));
GR_GL_CALL(fGL.get(), BindTexture(GR_GL_TEXTURE_RECTANGLE, id));
GR_GL_CALL(fGL.get(), TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_MAG_FILTER,
GR_GL_NEAREST));
GR_GL_CALL(fGL.get(), TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_MIN_FILTER,
GR_GL_NEAREST));
GR_GL_CALL(fGL.get(), TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_WRAP_S,
GR_GL_CLAMP_TO_EDGE));
GR_GL_CALL(fGL.get(), TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_WRAP_T,
GR_GL_CLAMP_TO_EDGE));
GR_GL_CALL(fGL.get(), TexImage2D(GR_GL_TEXTURE_RECTANGLE, 0, internalFormat, width, height, 0,
externalFormat, externalType, data));
return id;
}
sk_sp<GrContext> GLTestContext::makeGrContext(const GrContextOptions& options) {
return GrContext::MakeGL(fGL.get(), options);
}
} // namespace sk_gpu_test
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