diff options
-rw-r--r-- | gpu/perftests/texture_upload_perftest.cc | 119 |
1 files changed, 88 insertions, 31 deletions
diff --git a/gpu/perftests/texture_upload_perftest.cc b/gpu/perftests/texture_upload_perftest.cc index 4211084..c14a151 100644 --- a/gpu/perftests/texture_upload_perftest.cc +++ b/gpu/perftests/texture_upload_perftest.cc @@ -59,8 +59,8 @@ SHADER( ); // clang-format on -void CheckNoGlError() { - CHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); +void CheckNoGlError(const std::string& msg) { + CHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()) << " " << msg; } // Utility function to compile a shader from a string. @@ -91,6 +91,24 @@ int GLFormatBytePerPixel(GLenum format) { return format == GL_RGBA ? 4 : 1; } +GLenum GLFormatToInternalFormat(GLenum format) { + return format == GL_RED ? GL_R8 : format; +} + +GLenum GLFormatToStorageFormat(GLenum format) { + switch (format) { + case GL_RGBA: + return GL_RGBA8; + case GL_LUMINANCE: + return GL_LUMINANCE8; + case GL_RED: + return GL_R8; + default: + NOTREACHED(); + } + return 0; +} + void GenerateTextureData(const gfx::Size& size, int bytes_per_pixel, const int seed, @@ -228,7 +246,12 @@ class TextureUploadPerfTest : public testing::Test { reinterpret_cast<void*>(sizeof(GLfloat) * 2)); glEnableVertexAttribArray(0); glEnableVertexAttribArray(1); - CheckNoGlError(); + CheckNoGlError("glEnableVertexAttribArray"); + + has_texture_storage_ = + gl_context_->GetVersionInfo()->is_es3 || + gl_context_->HasExtension("GL_EXT_texture_storage") || + gl_context_->HasExtension("GL_ARB_texture_storage"); } void GenerateVertexBuffer(const gfx::Size& size) { @@ -250,7 +273,7 @@ class TextureUploadPerfTest : public testing::Test { right, top, 1.f, 1.f}; // clang-format on glBufferData(GL_ARRAY_BUFFER, sizeof(data), data, GL_STATIC_DRAW); - CheckNoGlError(); + CheckNoGlError("glBufferData"); } void TearDown() override { @@ -263,7 +286,7 @@ class TextureUploadPerfTest : public testing::Test { glBindFramebufferEXT(GL_FRAMEBUFFER, 0); glDeleteFramebuffersEXT(1, &framebuffer_object_); glDeleteTextures(1, &color_texture_); - CheckNoGlError(); + CheckNoGlError("glDeleteTextures"); gpu_timing_client_ = nullptr; gl_context_ = nullptr; @@ -271,36 +294,59 @@ class TextureUploadPerfTest : public testing::Test { } protected: - GLuint CreateGLTexture() { + GLuint CreateGLTexture(const GLenum format, + const gfx::Size& size, + const bool specify_storage) { GLuint texture_id = 0; glActiveTexture(GL_TEXTURE0); glGenTextures(1, &texture_id); glBindTexture(GL_TEXTURE_2D, texture_id); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + if (specify_storage) { + if (has_texture_storage_) { + glTexStorage2DEXT(GL_TEXTURE_2D, 1, GLFormatToStorageFormat(format), + size.width(), size.height()); + CheckNoGlError("glTexStorage2DEXT"); + } else { + glTexImage2D(GL_TEXTURE_2D, 0, GLFormatToInternalFormat(format), + size.width(), size.height(), 0, format, GL_UNSIGNED_BYTE, + nullptr); + CheckNoGlError("glTexImage2D"); + } + } return texture_id; } void UploadTexture(GLuint texture_id, const gfx::Size& size, const std::vector<uint8>& pixels, - GLenum format) { - glTexImage2D(GL_TEXTURE_2D, 0, format, size.width(), size.height(), 0, - format, GL_UNSIGNED_BYTE, &pixels[0]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - CheckNoGlError(); + GLenum format, + const bool subimage) { + if (subimage) { + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, size.width(), size.height(), + format, GL_UNSIGNED_BYTE, &pixels[0]); + CheckNoGlError("glTexSubImage2D"); + } else { + glTexImage2D(GL_TEXTURE_2D, 0, GLFormatToInternalFormat(format), + size.width(), size.height(), 0, format, GL_UNSIGNED_BYTE, + &pixels[0]); + CheckNoGlError("glTexImage2D"); + } } // Upload and draw on the offscren surface. // Return a list of pair. Each pair describe a gl operation and the wall // time elapsed in milliseconds. - std::vector<Measurement> UploadAndDraw(const gfx::Size& size, + std::vector<Measurement> UploadAndDraw(GLuint texture_id, + const gfx::Size& size, const std::vector<uint8>& pixels, - const GLenum format) { - GLuint texture_id = CreateGLTexture(); + const GLenum format, + const bool subimage) { MeasurementTimers tex_timers(gpu_timing_client_.get()); - UploadTexture(texture_id, size, pixels, format); + UploadTexture(texture_id, size, pixels, format, subimage); tex_timers.Record(); MeasurementTimers draw_timers(gpu_timing_client_.get()); @@ -310,15 +356,13 @@ class TextureUploadPerfTest : public testing::Test { MeasurementTimers finish_timers(gpu_timing_client_.get()); glFinish(); - CheckNoGlError(); + CheckNoGlError("glFinish"); finish_timers.Record(); - glDeleteTextures(1, &texture_id); - std::vector<uint8> pixels_rendered(size.GetArea() * 4); glReadPixels(0, 0, size.width(), size.height(), GL_RGBA, GL_UNSIGNED_BYTE, &pixels_rendered[0]); - CheckNoGlError(); + CheckNoGlError("glReadPixels"); EXPECT_TRUE( CompareBufferToRGBABuffer(format, size, pixels, pixels_rendered)) << "Format is: " << gfx::GLEnums::GetStringEnum(format); @@ -328,7 +372,8 @@ class TextureUploadPerfTest : public testing::Test { gpu_timing_client_->IsAvailable() && gpu_timing_client_->CheckAndResetTimerErrors(); if (!gpu_timer_errors) { - measurements.push_back(tex_timers.GetAsMeasurement("teximage2d")); + measurements.push_back(tex_timers.GetAsMeasurement( + subimage ? "texsubimage2d" : "teximage2d")); measurements.push_back(draw_timers.GetAsMeasurement("drawarrays")); measurements.push_back(finish_timers.GetAsMeasurement("finish")); } @@ -336,14 +381,16 @@ class TextureUploadPerfTest : public testing::Test { } void RunUploadAndDrawMultipleTimes(const gfx::Size& size, - const GLenum format) { + const GLenum format, + const bool subimage) { std::vector<uint8> pixels; base::SmallMap<std::map<std::string, Measurement>> aggregates; // indexed by name int successful_runs = 0; + GLuint texture_id = CreateGLTexture(format, size, subimage); for (int i = 0; i < kUploadPerfWarmupRuns + kUploadPerfTestRuns; ++i) { GenerateTextureData(size, GLFormatBytePerPixel(format), i + 1, &pixels); - auto run = UploadAndDraw(size, pixels, format); + auto run = UploadAndDraw(texture_id, size, pixels, format, subimage); if (i < kUploadPerfWarmupRuns || !run.size()) { continue; } @@ -354,8 +401,14 @@ class TextureUploadPerfTest : public testing::Test { aggregate.Increment(measurement); } } + glDeleteTextures(1, &texture_id); + std::string graph_name = base::StringPrintf( "%d_%s", size.width(), gfx::GLEnums::GetStringEnum(format).c_str()); + if (subimage) { + graph_name += "_sub"; + } + if (successful_runs) { for (const auto& entry : aggregates) { const auto m = entry.second.Divide(successful_runs); @@ -379,11 +432,13 @@ class TextureUploadPerfTest : public testing::Test { GLint sampler_location_ = -1; GLint translation_location_ = -1; GLuint vertex_buffer_ = 0; + + bool has_texture_storage_ = false; }; // Perf test that generates, uploads and draws a texture on a surface repeatedly // and prints out aggregated measurements for all the runs. -TEST_F(TextureUploadPerfTest, glTexImage2d) { +TEST_F(TextureUploadPerfTest, upload) { int sizes[] = {21, 128, 256, 512, 1024}; std::vector<GLenum> formats; formats.push_back(GL_RGBA); @@ -403,13 +458,15 @@ TEST_F(TextureUploadPerfTest, glTexImage2d) { // {ARB,EXT}_texture_rg are available. formats.push_back(GL_RED); } + for (int side : sizes) { ASSERT_GE(fbo_size_.width(), side); ASSERT_GE(fbo_size_.height(), side); gfx::Size size(side, side); GenerateVertexBuffer(size); for (GLenum format : formats) { - RunUploadAndDrawMultipleTimes(size, format); + RunUploadAndDrawMultipleTimes(size, format, true); // use glTexSubImage2D + RunUploadAndDrawMultipleTimes(size, format, false); // use glTexImage2D } } } @@ -438,12 +495,12 @@ TEST_F(TextureUploadPerfTest, renaming) { gfx::Vector2dF(1.f, 0.f), gfx::Vector2dF(0.f, 1.f), gfx::Vector2dF(1.f, 1.f)}; - GLuint texture_id = CreateGLTexture(); + GLuint texture_id = CreateGLTexture(GL_RGBA, texture_size, true); MeasurementTimers upload_and_draw_timers(gpu_timing_client_.get()); for (int i = 0; i < 4; ++i) { - UploadTexture(texture_id, texture_size, pixels[i % 4], GL_RGBA); + UploadTexture(texture_id, texture_size, pixels[i % 4], GL_RGBA, true); DCHECK_NE(-1, translation_location_); glUniform2f(translation_location_, positions[i % 4].x(), positions[i % 4].y()); @@ -457,7 +514,7 @@ TEST_F(TextureUploadPerfTest, renaming) { upload_and_draw_timers.Record(); MeasurementTimers finish_timers(gpu_timing_client_.get()); glFinish(); - CheckNoGlError(); + CheckNoGlError("glFinish"); finish_timers.Record(); glDeleteTextures(1, &texture_id); @@ -468,7 +525,7 @@ TEST_F(TextureUploadPerfTest, renaming) { texture_size.height() * positions[i].y(), texture_size.width(), texture_size.height(), GL_RGBA, GL_UNSIGNED_BYTE, &pixels_rendered[0]); - CheckNoGlError(); + CheckNoGlError("glReadPixels"); ASSERT_EQ(pixels[i].size(), pixels_rendered.size()); EXPECT_EQ(pixels[i], pixels_rendered); } |