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- // Copyright 2016 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include <GLES2/gl2.h>
- #include <GLES2/gl2ext.h>
- #include <GLES2/gl2extchromium.h>
- #include <GLES3/gl3.h>
- #include <stdint.h>
- #include "build/build_config.h"
- #include "gpu/command_buffer/service/context_group.h"
- #include "gpu/command_buffer/tests/gl_manager.h"
- #include "gpu/command_buffer/tests/gl_test_utils.h"
- #include "gpu/config/gpu_test_config.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #define SHADER(Src) #Src
- namespace gpu {
- class ES3MapBufferRangeTest : public testing::Test {
- protected:
- static const GLsizei kCanvasSize = 4;
- void SetUp() override {
- GLManager::Options options;
- options.size = gfx::Size(kCanvasSize, kCanvasSize);
- options.context_type = CONTEXT_TYPE_OPENGLES3;
- gl_.Initialize(options);
- }
- bool ShouldSkipTest() const {
- // If a driver isn't capable of supporting ES3 context, creating
- // ContextGroup will fail.
- // See crbug.com/654709.
- return (!gl_.decoder() || !gl_.decoder()->GetContextGroup());
- }
- void TearDown() override { gl_.Destroy(); }
- GLuint SetupSimpleProgram(GLint* ret_position_loc) {
- static const char* v_shader_src =
- SHADER(attribute vec2 a_position;
- void main() { gl_Position = vec4(a_position, 0.0, 1.0); });
- static const char* f_shader_src =
- SHADER(precision mediump float;
- void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); });
- GLuint program = GLTestHelper::LoadProgram(v_shader_src, f_shader_src);
- EXPECT_LT(0u, program);
- glUseProgram(program);
- *ret_position_loc = glGetAttribLocation(program, "a_position");
- EXPECT_LE(0, *ret_position_loc);
- return program;
- }
- GLuint SetupTransformFeedbackProgram(GLint* ret_position_loc) {
- static const char* v_shader_src =
- "#version 300 es\n"
- "in vec2 a_position;\n"
- "out vec3 var0;\n"
- "out vec2 var1;\n"
- "void main() {\n"
- " var0 = vec3(a_position, 0.5);\n"
- " var1 = a_position;\n"
- " gl_Position = vec4(a_position, 0.0, 1.0);\n"
- "}";
- static const char* f_shader_src =
- "#version 300 es\n"
- "precision mediump float;\n"
- "out vec4 color;\n"
- "in vec3 var0;\n"
- "in vec2 var1;\n"
- "void main() {\n"
- " color = vec4(0.0, 1.0, 0.0, 1.0);\n"
- "}";
- static const char* varyings[] = {"var0", "var1"};
- GLuint program = GLTestHelper::LoadProgram(v_shader_src, f_shader_src);
- EXPECT_LT(0u, program);
- glTransformFeedbackVaryings(program, 2, varyings, GL_SEPARATE_ATTRIBS);
- glLinkProgram(program);
- GLint link_status = GL_FALSE;
- glGetProgramiv(program, GL_LINK_STATUS, &link_status);
- EXPECT_EQ(GL_TRUE, link_status);
- glUseProgram(program);
- *ret_position_loc = glGetAttribLocation(program, "a_position");
- EXPECT_LE(0, *ret_position_loc);
- return program;
- }
- GLManager gl_;
- };
- TEST_F(ES3MapBufferRangeTest, DrawArraysAndInstanced) {
- if (ShouldSkipTest())
- return;
- const uint8_t kRedColor[] = {255, 0, 0, 255};
- const uint8_t kBlackColor[] = {0, 0, 0, 255};
- const GLsizei kPrimCount = 4;
- GLint position_loc = 0;
- SetupSimpleProgram(&position_loc);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- GLuint buffer = GLTestHelper::SetupUnitQuad(position_loc);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_LT(0u, buffer);
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArrays(GL_TRIANGLES, 0, 6);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArraysInstancedANGLE(GL_TRIANGLES, 0, 6, kPrimCount);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glMapBufferRange(GL_ARRAY_BUFFER, 0, 6, GL_MAP_READ_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArrays(GL_TRIANGLES, 0, 6);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArraysInstancedANGLE(GL_TRIANGLES, 0, 6, kPrimCount);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- // The following test is necessary to make sure draw calls do not just check
- // bound buffers, but actual buffers that are attached to the enabled vertex
- // attribs.
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArrays(GL_TRIANGLES, 0, 6);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArraysInstancedANGLE(GL_TRIANGLES, 0, 6, kPrimCount);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glBindBuffer(GL_ARRAY_BUFFER, buffer);
- glUnmapBuffer(GL_ARRAY_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArrays(GL_TRIANGLES, 0, 6);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArraysInstancedANGLE(GL_TRIANGLES, 0, 6, kPrimCount);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- }
- TEST_F(ES3MapBufferRangeTest, DrawElementsAndInstanced) {
- if (ShouldSkipTest())
- return;
- const uint8_t kRedColor[] = {255, 0, 0, 255};
- const uint8_t kBlackColor[] = {0, 0, 0, 255};
- const GLsizei kPrimCount = 4;
- GLint position_loc = 0;
- SetupSimpleProgram(&position_loc);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- std::vector<GLuint> buffers =
- GLTestHelper::SetupIndexedUnitQuad(position_loc);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_EQ(2u, buffers.size());
- EXPECT_LT(0u, buffers[0]);
- EXPECT_LT(0u, buffers[1]);
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElementsInstancedANGLE(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0,
- kPrimCount);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glMapBufferRange(GL_ARRAY_BUFFER, 0, 6, GL_MAP_READ_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArrays(GL_TRIANGLES, 0, 6);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElementsInstancedANGLE(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0,
- kPrimCount);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- // The following test is necessary to make sure draw calls do not just check
- // bound buffers, but actual buffers that are attached to the enabled vertex
- // attribs.
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawArrays(GL_TRIANGLES, 0, 6);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElementsInstancedANGLE(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0,
- kPrimCount);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
- glUnmapBuffer(GL_ARRAY_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElementsInstancedANGLE(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0,
- kPrimCount);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, 0, 6, GL_MAP_READ_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElementsInstancedANGLE(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0,
- kPrimCount);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kBlackColor, nullptr));
- glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glDrawElementsInstancedANGLE(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0,
- kPrimCount);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, kCanvasSize, kCanvasSize, 1,
- kRedColor, nullptr));
- }
- TEST_F(ES3MapBufferRangeTest, ReadPixels) {
- if (ShouldSkipTest())
- return;
- // TODO(crbug.com/angleproject/5213) consistent driver errors on this config.
- if (GPUTestBotConfig::CurrentConfigMatches("Linux AMD"))
- return;
- GLuint buffer = 0;
- glGenBuffers(1, &buffer);
- EXPECT_LT(0u, buffer);
- glBindBuffer(GL_PIXEL_PACK_BUFFER, buffer);
- glBufferData(GL_PIXEL_PACK_BUFFER, 4 * kCanvasSize * kCanvasSize, 0,
- GL_STATIC_READ);
- glReadPixels(0, 0, kCanvasSize, kCanvasSize, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, 6, GL_MAP_WRITE_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glReadPixels(0, 0, kCanvasSize, kCanvasSize, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- #if BUILDFLAG(IS_MAC)
- // TODO(crbug.com/1230038): This step causes a crash on mac intel-uhd bot.
- if (GPUTestBotConfig::CurrentConfigMatches("Mac Intel 0x3e9b"))
- return;
- #endif
- glReadPixels(0, 0, kCanvasSize, kCanvasSize, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- }
- TEST_F(ES3MapBufferRangeTest, TexImageAndSubImage2D) {
- if (ShouldSkipTest())
- return;
- const GLsizei kTextureSize = 4;
- GLuint buffer = 0;
- glGenBuffers(1, &buffer);
- EXPECT_LT(0u, buffer);
- glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);
- glBufferData(GL_PIXEL_UNPACK_BUFFER, 4 * kTextureSize * kTextureSize, 0,
- GL_STATIC_READ);
- GLuint tex = 0;
- glGenTextures(1, &tex);
- EXPECT_LT(0u, tex);
- glBindTexture(GL_TEXTURE_2D, tex);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, kTextureSize, kTextureSize, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, kTextureSize, kTextureSize, GL_RGBA,
- GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, 6, GL_MAP_READ_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, kTextureSize, kTextureSize, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, kTextureSize, kTextureSize, GL_RGBA,
- GL_UNSIGNED_BYTE, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, kTextureSize, kTextureSize, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, kTextureSize, kTextureSize, GL_RGBA,
- GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- }
- TEST_F(ES3MapBufferRangeTest, TexImageAndSubImage3D) {
- if (ShouldSkipTest())
- return;
- const GLsizei kTextureSize = 4;
- GLuint buffer = 0;
- glGenBuffers(1, &buffer);
- EXPECT_LT(0u, buffer);
- glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);
- glBufferData(GL_PIXEL_UNPACK_BUFFER,
- 4 * kTextureSize * kTextureSize * kTextureSize, 0,
- GL_STATIC_READ);
- GLuint tex = 0;
- glGenTextures(1, &tex);
- EXPECT_LT(0u, tex);
- glBindTexture(GL_TEXTURE_3D, tex);
- glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, kTextureSize, kTextureSize,
- kTextureSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, 0, kTextureSize, kTextureSize,
- kTextureSize, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, 6, GL_MAP_READ_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, kTextureSize, kTextureSize,
- kTextureSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, 0, kTextureSize, kTextureSize,
- kTextureSize, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, kTextureSize, kTextureSize,
- kTextureSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, 0, kTextureSize, kTextureSize,
- kTextureSize, GL_RGBA, GL_UNSIGNED_BYTE, 0);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- }
- // TODO(zmo): Add tests for CompressedTex* functions.
- TEST_F(ES3MapBufferRangeTest, TransformFeedback) {
- if (ShouldSkipTest())
- return;
- GLuint transform_feedback = 0;
- glGenTransformFeedbacks(1, &transform_feedback);
- glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, transform_feedback);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- GLuint transform_feedback_buffer[2];
- glGenBuffers(2, transform_feedback_buffer);
- EXPECT_LT(0u, transform_feedback_buffer[0]);
- EXPECT_LT(0u, transform_feedback_buffer[1]);
- glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0,
- transform_feedback_buffer[0]);
- glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER, 3 * 6 * sizeof(float), 0,
- GL_STATIC_READ);
- glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 1,
- transform_feedback_buffer[1]);
- glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER, 2 * 6 * sizeof(float), 0,
- GL_STATIC_READ);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- GLint position_loc = 0;
- SetupTransformFeedbackProgram(&position_loc);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- GLuint buffer = GLTestHelper::SetupUnitQuad(position_loc);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- EXPECT_LT(0u, buffer);
- glMapBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, 0, 6, GL_MAP_WRITE_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glBeginTransformFeedback(GL_TRIANGLES);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glUnmapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glBeginTransformFeedback(GL_TRIANGLES);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glMapBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, 0, 6, GL_MAP_WRITE_BIT);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- // Bind the used buffer to another binding target and try to map it using
- // that target - should still fail.
- glBindBuffer(GL_PIXEL_PACK_BUFFER, transform_feedback_buffer[0]);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, 6, GL_MAP_READ_BIT);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glEndTransformFeedback();
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glMapBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, 0, 6, GL_MAP_WRITE_BIT);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glUnmapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- }
- TEST_F(ES3MapBufferRangeTest, GetBufferParameteriv) {
- if (ShouldSkipTest())
- return;
- GLuint buffer;
- glGenBuffers(1, &buffer);
- EXPECT_LT(0u, buffer);
- glBindBuffer(GL_ARRAY_BUFFER, buffer);
- glBufferData(GL_ARRAY_BUFFER, 64, 0, GL_STATIC_READ);
- GLbitfield access = GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT;
- glMapBufferRange(GL_ARRAY_BUFFER, 16, 32, access);
- GLint param = 0;
- glGetBufferParameteriv(GL_ARRAY_BUFFER, GL_BUFFER_ACCESS_FLAGS, ¶m);
- EXPECT_EQ(access, static_cast<GLbitfield>(param));
- glUnmapBuffer(GL_ARRAY_BUFFER);
- param = 0;
- glGetBufferParameteriv(GL_ARRAY_BUFFER, GL_BUFFER_ACCESS_FLAGS, ¶m);
- EXPECT_EQ(0u, static_cast<GLbitfield>(param));
- GLTestHelper::CheckGLError("no errors", __LINE__);
- }
- TEST_F(ES3MapBufferRangeTest, CopyBufferSubData) {
- if (ShouldSkipTest())
- return;
- const GLsizeiptr kSize = 64;
- const GLsizeiptr kHalfSize = kSize / 2;
- const GLintptr kReadOffset = 0;
- const GLintptr kWriteOffset = kHalfSize;
- const GLsizeiptr kCopySize = 5;
- const uint8_t kValue0 = 3;
- const uint8_t kValue1 = 21;
- GLuint buffer;
- glGenBuffers(1, &buffer);
- EXPECT_NE(0u, buffer);
- glBindBuffer(GL_ARRAY_BUFFER, buffer);
- glBufferData(GL_ARRAY_BUFFER, kSize, nullptr, GL_STREAM_DRAW);
- std::array<uint8_t, kHalfSize> data0;
- data0.fill(kValue0);
- glBufferSubData(GL_ARRAY_BUFFER, 0, kHalfSize, data0.data());
- std::array<uint8_t, kHalfSize> data1;
- data1.fill(kValue1);
- glBufferSubData(GL_ARRAY_BUFFER, kHalfSize, kHalfSize, data1.data());
- GLTestHelper::CheckGLError("no errors", __LINE__);
- // Verify the data is initialized.
- const uint8_t* map_ptr = static_cast<uint8_t*>(
- glMapBufferRange(GL_ARRAY_BUFFER, 0, kSize, GL_MAP_READ_BIT));
- ASSERT_NE(nullptr, map_ptr);
- EXPECT_EQ(0, memcmp(map_ptr, data0.data(), kHalfSize));
- EXPECT_EQ(0, memcmp(map_ptr + kHalfSize, data1.data(), kHalfSize));
- glUnmapBuffer(GL_ARRAY_BUFFER);
- glCopyBufferSubData(GL_ARRAY_BUFFER, GL_ARRAY_BUFFER, kReadOffset,
- kWriteOffset, kCopySize);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- // Verify the data is copied.
- map_ptr = static_cast<uint8_t*>(
- glMapBufferRange(GL_ARRAY_BUFFER, 0, kSize, GL_MAP_READ_BIT));
- ASSERT_NE(nullptr, map_ptr);
- for (GLsizeiptr ii = 0; ii < kHalfSize; ++ii) {
- EXPECT_EQ(kValue0, map_ptr[ii]);
- }
- for (GLsizeiptr ii = kHalfSize; ii < kSize; ++ii) {
- if (ii >= kWriteOffset && ii < kWriteOffset + kCopySize) {
- EXPECT_EQ(kValue0, map_ptr[ii]);
- } else {
- EXPECT_EQ(kValue1, map_ptr[ii]);
- }
- }
- }
- TEST_F(ES3MapBufferRangeTest, Delete) {
- // Test that we can unbind a mapped buffer and deleting it still unmaps it.
- if (ShouldSkipTest())
- return;
- const int kNumBuffers = 3;
- const int kSize = sizeof(GLuint);
- GLuint buffers[kNumBuffers];
- glGenBuffers(kNumBuffers, buffers);
- // Set each buffer to contain its name.
- for (int i = 0; i < kNumBuffers; ++i) {
- EXPECT_NE(0u, buffers[i]);
- glBindBuffer(GL_ARRAY_BUFFER, buffers[i]);
- glBufferData(GL_ARRAY_BUFFER, sizeof(GLuint), &buffers[i], GL_STREAM_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- }
- GLTestHelper::CheckGLError("no errors", __LINE__);
- glBindBuffer(GL_ARRAY_BUFFER, buffers[2]);
- // Use a different binding point to map the buffer than we originally used,
- // to test if we are improperly using Buffer::initial_target() anywhere.
- glBindBuffer(GL_COPY_READ_BUFFER, buffers[0]);
- const GLuint* map_ptr_0 = static_cast<GLuint*>(
- glMapBufferRange(GL_COPY_READ_BUFFER, 0, kSize, GL_MAP_READ_BIT));
- ASSERT_NE(nullptr, map_ptr_0);
- EXPECT_EQ(buffers[0], *map_ptr_0);
- glBindBuffer(GL_COPY_READ_BUFFER, buffers[1]);
- // The buffer is no longer bound. Delete it.
- glDeleteBuffers(1, &buffers[0]);
- GLint copy_read_buffer = 0;
- glGetIntegerv(GL_COPY_READ_BUFFER_BINDING, ©_read_buffer);
- EXPECT_EQ(copy_read_buffer, (GLint)buffers[1]);
- GLint array_buffer = 0;
- glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &array_buffer);
- EXPECT_EQ(array_buffer, (GLint)buffers[2]);
- // Make sure buffers[1] [2] are truly still bound by mapping them and
- // checking the contents.
- const GLuint* map_ptr_1 = static_cast<GLuint*>(
- glMapBufferRange(GL_COPY_READ_BUFFER, 0, kSize, GL_MAP_READ_BIT));
- ASSERT_NE(nullptr, map_ptr_1);
- EXPECT_EQ(buffers[1], *map_ptr_1);
- glUnmapBuffer(GL_COPY_READ_BUFFER);
- const GLuint* map_ptr_2 = static_cast<GLuint*>(
- glMapBufferRange(GL_ARRAY_BUFFER, 0, kSize, GL_MAP_READ_BIT));
- ASSERT_NE(nullptr, map_ptr_2);
- EXPECT_EQ(buffers[2], *map_ptr_2);
- glUnmapBuffer(GL_ARRAY_BUFFER);
- GLTestHelper::CheckGLError("no errors", __LINE__);
- }
- // TODO(zmo): add tests for uniform buffer mapping.
- } // namespace gpu
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