blob: ee043fb8551a5e94f5bdc05f63be4951ff6d3046 [file] [log] [blame]
// Copyright (c) 2012 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.
#ifndef GL_GLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES
#endif
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES2/gl2extchromium.h>
#include <GLES3/gl3.h>
#include <stddef.h>
#include <stdint.h>
#include "base/stl_util.h"
#include "build/build_config.h"
#include "gpu/command_buffer/tests/gl_manager.h"
#include "gpu/command_buffer/tests/gl_test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_enums.h"
#include "ui/gl/gl_version_info.h"
namespace gpu {
namespace {
enum CopyType { TexImage, TexSubImage };
const CopyType kCopyTypes[] = {
TexImage,
TexSubImage,
};
struct FormatType {
GLenum internal_format;
GLenum format;
GLenum type;
};
static const char* kSimpleVertexShaderES2 =
"attribute vec2 a_position;\n"
"varying vec2 v_texCoord;\n"
"void main() {\n"
" gl_Position = vec4(a_position.x, a_position.y, 0.0, 1.0);\n"
" v_texCoord = (a_position + vec2(1.0, 1.0)) * 0.5;\n"
"}\n";
static const char* kSimpleVertexShaderES3 =
"#version 300 es\n"
"in vec2 a_position;\n"
"out vec2 v_texCoord;\n"
"void main() {\n"
" gl_Position = vec4(a_position.x, a_position.y, 0.0, 1.0);\n"
" v_texCoord = (a_position + vec2(1.0, 1.0)) * 0.5;\n"
"}\n";
std::string GetFragmentShaderSource(GLenum target, GLenum format, bool is_es3) {
std::string source;
if (is_es3) {
source +=
"#version 300 es\n"
"#define VARYING in\n"
"#define FRAGCOLOR frag_color\n"
"#define TextureLookup texture\n";
} else {
source +=
"#define VARYING varying\n"
"#define FRAGCOLOR gl_FragColor\n";
if (target == GL_TEXTURE_CUBE_MAP) {
source += "#define TextureLookup textureCube\n";
} else {
source += "#define TextureLookup texture2D\n";
}
}
source += "precision mediump float;\n";
if (gles2::GLES2Util::IsSignedIntegerFormat(format)) {
if (target == GL_TEXTURE_CUBE_MAP) {
source += "#define SamplerType isamplerCube\n";
} else {
source += "#define SamplerType isampler2D\n";
}
source += "#define TextureType ivec4\n";
source += "#define ScaleValue 255.0\n";
} else if (gles2::GLES2Util::IsUnsignedIntegerFormat(format)) {
if (target == GL_TEXTURE_CUBE_MAP) {
source += "#define SamplerType usamplerCube\n";
} else {
source += "#define SamplerType usampler2D\n";
}
source += "#define TextureType uvec4\n";
source += "#define ScaleValue 255.0\n";
} else {
if (target == GL_TEXTURE_CUBE_MAP) {
source += "#define SamplerType samplerCube\n";
} else {
source += "#define SamplerType sampler2D\n";
}
source += "#define TextureType vec4\n";
source += "#define ScaleValue 1.0\n";
}
if (is_es3)
source += "out vec4 frag_color;\n";
if (target == GL_TEXTURE_CUBE_MAP)
source += "uniform highp int u_face;\n";
source +=
"uniform mediump SamplerType u_texture;\n"
"VARYING vec2 v_texCoord;\n"
"void main() {\n";
if (target == GL_TEXTURE_CUBE_MAP) {
source +=
" vec3 texCube;\n"
// Transform [0, 1] to [-1, 1].
" vec2 texCoord = (v_texCoord * 2.0) - 1.0;\n"
// Transform 2d tex coord to each face of TEXTURE_CUBE_MAP coord.
// TEXTURE_CUBE_MAP_POSITIVE_X
" if (u_face == 34069) {\n"
" texCube = vec3(1.0, -texCoord.y, -texCoord.x);\n"
// TEXTURE_CUBE_MAP_NEGATIVE_X
" } else if (u_face == 34070) {\n"
" texCube = vec3(-1.0, -texCoord.y, texCoord.x);\n"
// TEXTURE_CUBE_MAP_POSITIVE_Y
" } else if (u_face == 34071) {\n"
" texCube = vec3(texCoord.x, 1.0, texCoord.y);\n"
// TEXTURE_CUBE_MAP_NEGATIVE_Y
" } else if (u_face == 34072) {\n"
" texCube = vec3(texCoord.x, -1.0, -texCoord.y);\n"
// TEXTURE_CUBE_MAP_POSITIVE_Z
" } else if (u_face == 34073) {\n"
" texCube = vec3(texCoord.x, -texCoord.y, 1.0);\n"
// TEXTURE_CUBE_MAP_NEGATIVE_Z
" } else if (u_face == 34074) {\n"
" texCube = vec3(-texCoord.x, -texCoord.y, -1.0);\n"
" }\n"
" TextureType color = TextureLookup(u_texture, texCube);\n";
} else {
source += " TextureType color = TextureLookup(u_texture, v_texCoord);\n";
}
source +=
" FRAGCOLOR = vec4(color) / ScaleValue;\n"
"}\n";
return source;
}
void setColor(uint8_t r, uint8_t g, uint8_t b, uint8_t a, uint8_t* color) {
color[0] = r;
color[1] = g;
color[2] = b;
color[3] = a;
}
void getExpectedColorAndMask(GLenum src_internal_format,
GLenum dest_internal_format,
const uint8_t* color,
uint8_t* expected_color,
uint8_t* expected_mask) {
uint8_t adjusted_color[4];
switch (src_internal_format) {
case GL_ALPHA:
setColor(0, 0, 0, color[0], adjusted_color);
break;
case GL_R8:
case GL_R16_EXT:
setColor(color[0], 0, 0, 255, adjusted_color);
break;
case GL_LUMINANCE:
setColor(color[0], color[0], color[0], 255, adjusted_color);
break;
case GL_LUMINANCE_ALPHA:
setColor(color[0], color[0], color[0], color[1], adjusted_color);
break;
case GL_RGB:
case GL_RGB8:
case GL_RGB_YCBCR_420V_CHROMIUM:
case GL_RGB_YCBCR_422_CHROMIUM:
setColor(color[0], color[1], color[2], 255, adjusted_color);
break;
case GL_RGBA:
case GL_RGBA8:
setColor(color[0], color[1], color[2], color[3], adjusted_color);
break;
case GL_BGRA_EXT:
case GL_BGRA8_EXT:
setColor(color[2], color[1], color[0], color[3], adjusted_color);
break;
case GL_RGB10_A2: {
// Map the source 2-bit Alpha to 8-bits.
const uint8_t alpha_value = (color[3] & 0x3) * 255 / 3;
setColor(color[0] >> 2, color[1] >> 2, color[2] >> 2, alpha_value,
adjusted_color);
break;
}
default:
NOTREACHED() << gl::GLEnums::GetStringEnum(src_internal_format);
break;
}
switch (dest_internal_format) {
// TODO(crbug.com/577144): Enable GL_ALPHA, GL_LUMINANCE and
// GL_LUMINANCE_ALPHA.
case GL_R8:
case GL_R16F:
case GL_R32F:
case GL_R8UI:
setColor(adjusted_color[0], 0, 0, 0, expected_color);
setColor(1, 0, 0, 0, expected_mask);
break;
case GL_RG8:
case GL_RG16F:
case GL_RG32F:
case GL_RG8UI:
setColor(adjusted_color[0], adjusted_color[1], 0, 0, expected_color);
setColor(1, 1, 0, 0, expected_mask);
break;
case GL_RGB:
case GL_RGB8:
case GL_SRGB_EXT:
case GL_SRGB8:
case GL_RGB565:
case GL_R11F_G11F_B10F:
case GL_RGB9_E5:
case GL_RGB16F:
case GL_RGB32F:
case GL_RGB8UI:
setColor(adjusted_color[0], adjusted_color[1], adjusted_color[2], 0,
expected_color);
setColor(1, 1, 1, 0, expected_mask);
break;
case GL_RGBA:
case GL_RGBA8:
case GL_BGRA_EXT:
case GL_BGRA8_EXT:
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8:
case GL_RGBA4:
case GL_RGBA16F:
case GL_RGBA32F:
case GL_RGBA8UI:
setColor(adjusted_color[0], adjusted_color[1], adjusted_color[2],
adjusted_color[3], expected_color);
setColor(1, 1, 1, 1, expected_mask);
break;
case GL_RGB10_A2: {
// Map the 2-bit Alpha values back to full bytes.
constexpr uint8_t step = 0x55;
const uint8_t alpha_value = (adjusted_color[3] + step / 2) / step * step;
setColor(adjusted_color[0], adjusted_color[1], adjusted_color[2],
alpha_value, expected_color);
#if defined(OS_MACOSX) || defined(OS_LINUX)
// The alpha channel values for LUMINANCE_ALPHA source don't work OK
// on Mac or Linux, so skip comparison of those, see crbug.com/926579
setColor(1, 1, 1, src_internal_format != GL_LUMINANCE_ALPHA,
expected_mask);
#else
setColor(1, 1, 1, 1, expected_mask);
#endif
break;
}
case GL_RGB5_A1:
setColor(adjusted_color[0], adjusted_color[1], adjusted_color[2],
(adjusted_color[3] >> 7) ? 0xFF : 0x0, expected_color);
// TODO(qiankun.miao@intel.com): On some Windows platforms, the alpha
// channel of expected color is the source alpha value other than 255.
// This should be wrong. Skip the alpha channel check and revisit this in
// future.
setColor(1, 1, 1, 0, expected_mask);
break;
default:
NOTREACHED() << gl::GLEnums::GetStringEnum(dest_internal_format);
break;
}
}
std::unique_ptr<uint8_t[]> getTextureDataAndExpectedRGBA(
FormatType src_format_type,
FormatType dest_format_type,
GLsizei width,
GLsizei height,
uint8_t* expected_color,
uint8_t* expected_mask) {
const uint32_t src_channel_count = gles2::GLES2Util::ElementsPerGroup(
src_format_type.format, src_format_type.type);
constexpr uint8_t color[4] = {1u, 63u, 127u, 255u};
getExpectedColorAndMask(src_format_type.internal_format,
dest_format_type.internal_format, color,
expected_color, expected_mask);
const size_t num_pixels = width * height;
// TODO(mcasas): use std::make_unique<uint8_t[]> in this function.
if (src_format_type.type == GL_UNSIGNED_BYTE) {
std::unique_ptr<uint8_t[]> pixels(
new uint8_t[num_pixels * src_channel_count]);
for (uint32_t i = 0; i < num_pixels * src_channel_count;
i += src_channel_count) {
for (uint32_t j = 0; j < src_channel_count; ++j)
pixels[i + j] = color[j];
}
return pixels;
} else if (src_format_type.type == GL_UNSIGNED_SHORT) {
constexpr uint16_t color_16bit[4] = {color[0] << 8, color[1] << 8,
color[2] << 8, color[3] << 8};
std::unique_ptr<uint8_t[]> data(
new uint8_t[num_pixels * src_channel_count * sizeof(uint16_t)]);
uint16_t* pixels = reinterpret_cast<uint16_t*>(data.get());
int16_t flip_sign = -1;
for (uint32_t i = 0; i < num_pixels * src_channel_count;
i += src_channel_count) {
for (uint32_t j = 0; j < src_channel_count; ++j) {
// Introduce an offset to the value to check. Expected value should be
// the same as without the offset.
flip_sign *= -1;
pixels[i + j] =
color_16bit[j] + flip_sign * (0x7F * (i + j)) / num_pixels;
}
}
return data;
} else if (src_format_type.type == GL_UNSIGNED_INT_2_10_10_10_REV) {
DCHECK_EQ(src_channel_count, 1u);
constexpr uint32_t color_rgb10_a2 = ((color[3] & 0x3) << 30) +
(color[2] << 20) + (color[1] << 10) +
color[0];
std::unique_ptr<uint8_t[]> data(new uint8_t[num_pixels * sizeof(uint32_t)]);
uint32_t* pixels = reinterpret_cast<uint32_t*>(data.get());
std::fill(pixels, pixels + num_pixels, color_rgb10_a2);
return data;
}
NOTREACHED() << gl::GLEnums::GetStringEnum(src_format_type.type);
return nullptr;
}
} // namespace
// A collection of tests that exercise the GL_CHROMIUM_copy_texture extension.
class GLCopyTextureCHROMIUMTest
: public testing::Test,
public ::testing::WithParamInterface<CopyType> {
protected:
void CreateAndBindDestinationTextureAndFBO(GLenum target) {
glGenTextures(2, textures_);
glBindTexture(target, textures_[1]);
// Some drivers (NVidia/SGX) require texture settings to be a certain way or
// they won't report FRAMEBUFFER_COMPLETE.
glTexParameterf(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glGenFramebuffers(1, &framebuffer_id_);
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id_);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, target,
textures_[1], 0);
}
void SetUp() override {
GLManager::Options options;
options.size = gfx::Size(64, 64);
gl_.Initialize(options);
width_ = 8;
height_ = 8;
}
void TearDown() override { gl_.Destroy(); }
void CreateBackingForTexture(GLenum target, GLsizei width, GLsizei height) {
if (target == GL_TEXTURE_RECTANGLE_ARB) {
std::unique_ptr<gfx::GpuMemoryBuffer> buffer(gl_.CreateGpuMemoryBuffer(
gfx::Size(width, height), gfx::BufferFormat::RGBA_8888));
GLuint image_id = glCreateImageCHROMIUM(buffer->AsClientBuffer(), width,
height, GL_RGBA);
glBindTexImage2DCHROMIUM(target, image_id);
} else {
glTexImage2D(target, 0, GL_RGBA, width, height, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
}
}
GLuint CreateDrawingTexture(GLenum target, GLsizei width, GLsizei height) {
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(target, texture);
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
CreateBackingForTexture(target, width, height);
return texture;
}
GLuint CreateDrawingFBO(GLenum target, GLuint texture) {
GLuint framebuffer = 0;
glGenFramebuffers(1, &framebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, target,
texture, 0);
return framebuffer;
}
GLenum ExtractFormatFrom(GLenum internalformat) {
switch (internalformat) {
case GL_RGBA8_OES:
return GL_RGBA;
case GL_RGB8_OES:
return GL_RGB;
case GL_BGRA8_EXT:
return GL_BGRA_EXT;
default:
NOTREACHED();
return GL_NONE;
}
}
void RunCopyTexture(GLenum dest_target,
CopyType copy_type,
FormatType src_format_type,
GLint source_level,
FormatType dest_format_type,
GLint dest_level,
bool is_es3) {
uint8_t expected_color[4];
uint8_t mask[4];
std::unique_ptr<uint8_t[]> pixels =
getTextureDataAndExpectedRGBA(src_format_type, dest_format_type, width_,
height_, expected_color, mask);
GLenum source_target = GL_TEXTURE_2D;
glGenTextures(2, textures_);
glBindTexture(source_target, textures_[0]);
glTexParameteri(source_target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(source_target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
#if defined(OS_MACOSX)
// TODO(qiankun.miao@intel.com): Remove this workaround for Mac OSX, once
// integer texture rendering bug is fixed on Mac OSX: crbug.com/679639.
glTexImage2D(source_target, 0, src_format_type.internal_format,
width_ << source_level, height_ << source_level, 0,
src_format_type.format, src_format_type.type, nullptr);
#endif
glTexImage2D(source_target, source_level, src_format_type.internal_format,
width_, height_, 0, src_format_type.format,
src_format_type.type, pixels.get());
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
GLenum dest_binding_target =
gles2::GLES2Util::GLFaceTargetToTextureTarget(dest_target);
glBindTexture(dest_binding_target, textures_[1]);
glTexParameterf(dest_binding_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(dest_binding_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(dest_binding_target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// This hack makes dest texture complete in ES2 and ES3 context
// respectively. With this, sampling from the dest texture is correct.
if (is_es3) {
glTexParameteri(dest_binding_target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(dest_binding_target, GL_TEXTURE_BASE_LEVEL, dest_level);
// For cube map textures, make the texture cube complete.
if (dest_binding_target == GL_TEXTURE_CUBE_MAP) {
for (int i = 0; i < 6; ++i) {
GLenum face = GL_TEXTURE_CUBE_MAP_POSITIVE_X + i;
glTexImage2D(face, dest_level, dest_format_type.internal_format,
width_, height_, 0, dest_format_type.format,
dest_format_type.type, nullptr);
}
}
#if defined(OS_MACOSX)
// TODO(qiankun.miao@intel.com): Remove this workaround for Mac OSX, once
// framebuffer complete bug is fixed on Mac OSX: crbug.com/678526.
glTexImage2D(dest_target, 0, dest_format_type.internal_format,
width_ << dest_level, height_ << dest_level, 0,
dest_format_type.format, dest_format_type.type, nullptr);
#endif
} else {
glTexParameteri(dest_binding_target, GL_TEXTURE_MIN_FILTER,
GL_NEAREST_MIPMAP_NEAREST);
// For cube map textures, make the texture cube complete.
if (dest_binding_target == GL_TEXTURE_CUBE_MAP) {
for (int i = 0; i < 6; ++i) {
GLenum face = GL_TEXTURE_CUBE_MAP_POSITIVE_X + i;
glTexImage2D(face, 0, dest_format_type.internal_format,
width_ << dest_level, height_ << dest_level, 0,
dest_format_type.format, dest_format_type.type, nullptr);
}
} else {
glTexImage2D(dest_target, 0, dest_format_type.internal_format,
width_ << dest_level, height_ << dest_level, 0,
dest_format_type.format, dest_format_type.type, nullptr);
}
glGenerateMipmap(dest_binding_target);
}
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], source_level, dest_target,
textures_[1], dest_level,
dest_format_type.internal_format,
dest_format_type.type, false, false, false);
} else {
glBindTexture(dest_binding_target, textures_[1]);
glTexImage2D(dest_target, dest_level, dest_format_type.internal_format,
width_, height_, 0, dest_format_type.format,
dest_format_type.type, nullptr);
glCopySubTextureCHROMIUM(textures_[0], source_level, dest_target,
textures_[1], dest_level, 0, 0, 0, 0, width_,
height_, false, false, false);
}
const GLenum last_error = glGetError();
EXPECT_TRUE(last_error == GL_NO_ERROR)
<< gl::GLEnums::GetStringError(last_error);
// Draw destination texture to a fbo with a TEXTURE_2D texture attachment
// in RGBA format.
GLuint texture = CreateDrawingTexture(GL_TEXTURE_2D, width_, height_);
GLuint framebuffer = CreateDrawingFBO(GL_TEXTURE_2D, texture);
EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
glCheckFramebufferStatus(GL_FRAMEBUFFER));
glViewport(0, 0, width_, height_);
glBindTexture(dest_binding_target, textures_[1]);
std::string fragment_shader_source = GetFragmentShaderSource(
dest_binding_target, dest_format_type.internal_format, is_es3);
GLTestHelper::DrawTextureQuad(
dest_target, is_es3 ? kSimpleVertexShaderES3 : kSimpleVertexShaderES2,
fragment_shader_source.c_str(), "a_position", "u_texture", "u_face");
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t tolerance = dest_format_type.internal_format == GL_RGBA4 ? 20 : 7;
EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, width_, height_, tolerance,
expected_color, mask))
<< " dest_target : " << gles2::GLES2Util::GetStringEnum(dest_target)
<< " src_internal_format: "
<< gles2::GLES2Util::GetStringEnum(src_format_type.internal_format)
<< " source_level: " << source_level << " dest_internal_format: "
<< gles2::GLES2Util::GetStringEnum(dest_format_type.internal_format)
<< " dest_level: " << dest_level;
glDeleteTextures(1, &texture);
glDeleteFramebuffers(1, &framebuffer);
glDeleteTextures(2, textures_);
}
GLManager gl_;
GLuint textures_[2];
GLsizei width_;
GLsizei height_;
GLuint framebuffer_id_;
};
class GLCopyTextureCHROMIUMES3Test : public GLCopyTextureCHROMIUMTest {
protected:
void SetUp() override {
GLManager::Options options;
options.context_type = CONTEXT_TYPE_OPENGLES3;
options.size = gfx::Size(64, 64);
GpuDriverBugWorkarounds workarounds;
#if defined(OS_MACOSX)
// Sampling of seamless integer cube map texture has bug on Intel GEN7 gpus
// on Mac OSX, see crbug.com/658930.
workarounds.disable_texture_cube_map_seamless = true;
#endif
gl_.InitializeWithWorkarounds(options, workarounds);
width_ = 8;
height_ = 8;
}
// If a driver isn't capable of supporting ES3 context, creating
// ContextGroup will fail. Just skip the test.
bool ShouldSkipTest() const {
return (!gl_.decoder() || !gl_.decoder()->GetContextGroup());
}
// If EXT_color_buffer_float isn't available, float format isn't supported.
bool ShouldSkipFloatFormat() const {
DCHECK(!ShouldSkipTest());
return !gl_.decoder()->GetFeatureInfo()->ext_color_buffer_float_available();
}
bool ShouldSkipBGRA() const {
DCHECK(!ShouldSkipTest());
return !gl_.decoder()
->GetFeatureInfo()
->feature_flags()
.ext_texture_format_bgra8888;
}
bool ShouldSkipSRGBEXT() const {
DCHECK(!ShouldSkipTest());
return !gl_.decoder()->GetFeatureInfo()->feature_flags().ext_srgb;
}
bool ShouldSkipNorm16() const {
DCHECK(!ShouldSkipTest());
#if (defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)) && \
(defined(ARCH_CPU_X86) || defined(ARCH_CPU_X86_64))
// Make sure it's tested; it is safe to assume that the flag is always true
// on desktop.
EXPECT_TRUE(
gl_.decoder()->GetFeatureInfo()->feature_flags().ext_texture_norm16);
#endif
return !gl_.decoder()->GetFeatureInfo()->feature_flags().ext_texture_norm16;
}
bool ShouldSkipRGB10A2() const {
DCHECK(!ShouldSkipTest());
const gl::GLVersionInfo& gl_version_info =
gl_.decoder()->GetFeatureInfo()->gl_version_info();
// XB30 support was introduced in GLES 3.0/ OpenGL 3.3, before that it was
// signalled via a specific extension.
const bool supports_rgb10_a2 =
gl_version_info.IsAtLeastGL(3, 3) ||
gl_version_info.IsAtLeastGLES(3, 0) ||
GLTestHelper::HasExtension("GL_EXT_texture_type_2_10_10_10_REV");
EXPECT_TRUE(supports_rgb10_a2);
return !supports_rgb10_a2;
}
};
INSTANTIATE_TEST_SUITE_P(CopyType,
GLCopyTextureCHROMIUMTest,
::testing::ValuesIn(kCopyTypes));
INSTANTIATE_TEST_SUITE_P(CopyType,
GLCopyTextureCHROMIUMES3Test,
::testing::ValuesIn(kCopyTypes));
// Test to ensure that the basic functionality of the extension works.
TEST_P(GLCopyTextureCHROMIUMTest, Basic) {
CopyType copy_type = GetParam();
uint8_t pixels[1 * 4] = {255u, 0u, 0u, 255u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
pixels);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
} else {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 0,
0, 0, 0, 1, 1, false, false, false);
}
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
// Check the FB is still bound.
GLint value = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &value);
GLuint fb_id = value;
EXPECT_EQ(framebuffer_id_, fb_id);
// Check that FB is complete.
EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
glCheckFramebufferStatus(GL_FRAMEBUFFER));
GLTestHelper::CheckPixels(0, 0, 1, 1, 0, pixels, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
}
TEST_P(GLCopyTextureCHROMIUMES3Test, FormatCombinations) {
if (ShouldSkipTest())
return;
if (gl_.gpu_preferences().use_passthrough_cmd_decoder) {
// TODO(geofflang): anglebug.com/1932
LOG(INFO)
<< "Passthrough command decoder expected failure. Skipping test...";
return;
}
const CopyType copy_type = GetParam();
FormatType src_format_types[] = {
{GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE},
{GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE},
{GL_RGB, GL_RGB, GL_UNSIGNED_BYTE},
{GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE},
{GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE},
{GL_BGRA8_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE},
{GL_R16_EXT, GL_RED, GL_UNSIGNED_SHORT},
{GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV},
};
FormatType dest_format_types[] = {
// TODO(qiankun.miao@intel.com): ALPHA and LUMINANCE formats have bug on
// GL core profile. See crbug.com/577144. Enable these formats after
// using workaround in gles2_cmd_copy_tex_image.cc.
// {GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE},
// {GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE},
// {GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE},
{GL_RGB, GL_RGB, GL_UNSIGNED_BYTE},
{GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_SRGB_EXT, GL_SRGB_EXT, GL_UNSIGNED_BYTE},
{GL_SRGB_ALPHA_EXT, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE},
{GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE},
{GL_BGRA8_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE},
{GL_R8, GL_RED, GL_UNSIGNED_BYTE},
{GL_R16F, GL_RED, GL_HALF_FLOAT},
{GL_R16F, GL_RED, GL_FLOAT},
{GL_R32F, GL_RED, GL_FLOAT},
{GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE},
{GL_RG8, GL_RG, GL_UNSIGNED_BYTE},
{GL_RG16F, GL_RG, GL_HALF_FLOAT},
{GL_RG16F, GL_RG, GL_FLOAT},
{GL_RG32F, GL_RG, GL_FLOAT},
{GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE},
{GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE},
{GL_SRGB8, GL_RGB, GL_UNSIGNED_BYTE},
{GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE},
{GL_R11F_G11F_B10F, GL_RGB, GL_FLOAT},
{GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT},
{GL_RGB9_E5, GL_RGB, GL_FLOAT},
{GL_RGB16F, GL_RGB, GL_HALF_FLOAT},
{GL_RGB16F, GL_RGB, GL_FLOAT},
{GL_RGB32F, GL_RGB, GL_FLOAT},
{GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE},
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_RGBA4, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT},
{GL_RGBA16F, GL_RGBA, GL_FLOAT},
{GL_RGBA32F, GL_RGBA, GL_FLOAT},
{GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE},
{GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV},
};
for (auto src_format_type : src_format_types) {
for (auto dest_format_type : dest_format_types) {
if ((src_format_type.internal_format == GL_BGRA_EXT ||
src_format_type.internal_format == GL_BGRA8_EXT ||
dest_format_type.internal_format == GL_BGRA_EXT ||
dest_format_type.internal_format == GL_BGRA8_EXT) &&
ShouldSkipBGRA()) {
continue;
}
if (gles2::GLES2Util::IsFloatFormat(dest_format_type.internal_format) &&
ShouldSkipFloatFormat()) {
continue;
}
if ((dest_format_type.internal_format == GL_SRGB_EXT ||
dest_format_type.internal_format == GL_SRGB_ALPHA_EXT) &&
ShouldSkipSRGBEXT()) {
continue;
}
if (src_format_type.internal_format == GL_R16_EXT && ShouldSkipNorm16())
continue;
if (src_format_type.internal_format == GL_RGB10_A2 && ShouldSkipRGB10A2())
continue;
RunCopyTexture(GL_TEXTURE_2D, copy_type, src_format_type, 0,
dest_format_type, 0, true);
}
}
}
TEST_P(GLCopyTextureCHROMIUMTest, ImmutableTexture) {
if (!GLTestHelper::HasExtension("GL_EXT_texture_storage")) {
LOG(INFO) << "GL_EXT_texture_storage not supported. Skipping test...";
return;
}
CopyType copy_type = GetParam();
GLenum src_internal_formats[] = {GL_RGB8_OES, GL_RGBA8_OES, GL_BGRA8_EXT};
GLenum dest_internal_formats[] = {GL_RGB8_OES, GL_RGBA8_OES, GL_BGRA8_EXT};
uint8_t pixels[1 * 4] = {255u, 0u, 255u, 255u};
for (auto src_internal_format : src_internal_formats) {
for (auto dest_internal_format : dest_internal_formats) {
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexStorage2DEXT(GL_TEXTURE_2D, 1, src_internal_format, 1, 1);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1,
ExtractFormatFrom(src_internal_format), GL_UNSIGNED_BYTE,
pixels);
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexStorage2DEXT(GL_TEXTURE_2D, 1, dest_internal_format, 1, 1);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, textures_[1], 0);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
ExtractFormatFrom(dest_internal_format),
GL_UNSIGNED_BYTE, false, false, false);
EXPECT_TRUE(glGetError() == GL_INVALID_OPERATION);
} else {
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1],
0, 0, 0, 0, 0, 1, 1, false, false, false);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
// Check the FB is still bound.
GLint value = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &value);
GLuint fb_id = value;
EXPECT_EQ(framebuffer_id_, fb_id);
// Check that FB is complete.
EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
glCheckFramebufferStatus(GL_FRAMEBUFFER));
GLTestHelper::CheckPixels(0, 0, 1, 1, 0, pixels, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
}
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
}
}
TEST_P(GLCopyTextureCHROMIUMTest, InternalFormat) {
CopyType copy_type = GetParam();
GLint src_formats[] = {GL_ALPHA, GL_RGB, GL_RGBA,
GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_BGRA_EXT};
GLint dest_formats[] = {GL_RGB, GL_RGBA, GL_BGRA_EXT};
for (size_t src_index = 0; src_index < base::size(src_formats); src_index++) {
for (size_t dest_index = 0; dest_index < base::size(dest_formats);
dest_index++) {
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, src_formats[src_index], 1, 1, 0,
src_formats[src_index], GL_UNSIGNED_BYTE, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
dest_formats[dest_index], GL_UNSIGNED_BYTE, false,
false, false);
} else {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, dest_formats[dest_index], 1, 1, 0,
dest_formats[dest_index], GL_UNSIGNED_BYTE, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1],
0, 0, 0, 0, 0, 1, 1, false, false, false);
}
EXPECT_TRUE(GL_NO_ERROR == glGetError()) << "src_index:" << src_index
<< " dest_index:" << dest_index;
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
}
}
TEST_P(GLCopyTextureCHROMIUMTest, InternalFormatRGBFloat) {
if (!GLTestHelper::HasExtension("GL_CHROMIUM_color_buffer_float_rgb")) {
LOG(INFO)
<< "GL_CHROMIUM_color_buffer_float_rgb not supported. Skipping test...";
return;
}
// TODO(qiankun.miao@intel.com): since RunCopyTexture requires dest texture to
// be texture complete, skip this test if float texture is not color
// filterable. We should remove this limitation when we find a way doesn't
// require dest texture to be texture complete in RunCopyTexture.
if (!gl_.decoder()
->GetFeatureInfo()
->feature_flags()
.enable_texture_float_linear) {
LOG(INFO) << "RGB32F texture is not filterable. Skipping test...";
return;
}
CopyType copy_type = GetParam();
FormatType src_format_type = {GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE};
FormatType dest_format_type = {GL_RGB32F, GL_RGB, GL_FLOAT};
RunCopyTexture(GL_TEXTURE_2D, copy_type, src_format_type, 0, dest_format_type,
0, false);
}
TEST_P(GLCopyTextureCHROMIUMTest, InternalFormatRGBAFloat) {
if (!GLTestHelper::HasExtension("GL_CHROMIUM_color_buffer_float_rgba")) {
LOG(INFO) << "GL_CHROMIUM_color_buffer_float_rgba not supported. Skipping "
"test...";
return;
}
// TODO(qiankun.miao@intel.com): since RunCopyTexture requires dest texture to
// be texture complete, skip this test if float texture is not color
// filterable. We should remove this limitation when we find a way doesn't
// require dest texture to be texture complete in RunCopyTexture.
if (!gl_.decoder()
->GetFeatureInfo()
->feature_flags()
.enable_texture_float_linear) {
LOG(INFO) << "RGBA32F texture is not filterable. Skipping test...";
return;
}
CopyType copy_type = GetParam();
FormatType src_format_type = {GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE};
FormatType dest_format_type = {GL_RGBA32F, GL_RGBA, GL_FLOAT};
RunCopyTexture(GL_TEXTURE_2D, copy_type, src_format_type, 0, dest_format_type,
0, false);
}
TEST_P(GLCopyTextureCHROMIUMTest, InternalFormatNotSupported) {
CopyType copy_type = GetParam();
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
// Check unsupported format reports error.
GLint unsupported_dest_formats[] = {GL_RED, GL_RG};
for (size_t dest_index = 0; dest_index < base::size(unsupported_dest_formats);
dest_index++) {
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
unsupported_dest_formats[dest_index],
GL_UNSIGNED_BYTE, false, false, false);
EXPECT_THAT(glGetError(),
testing::AnyOf(GL_INVALID_VALUE, GL_INVALID_OPERATION))
<< "dest_index:" << dest_index;
} else {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, unsupported_dest_formats[dest_index], 1, 1,
0, unsupported_dest_formats[dest_index], GL_UNSIGNED_BYTE,
nullptr);
// clear GL_INVALID_ENUM error from glTexImage2D on ES2 devices
glGetError();
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
0, 0, 0, 0, 1, 1, false, false, false);
EXPECT_TRUE(GL_INVALID_OPERATION == glGetError())
<< "dest_index:" << dest_index;
}
}
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
TEST_F(GLCopyTextureCHROMIUMTest, InternalFormatTypeCombinationNotSupported) {
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
// Check unsupported internal_format/type combination reports error.
struct FormatType { GLenum format, type; };
FormatType unsupported_format_types[] = {
{GL_RGB, GL_UNSIGNED_SHORT_4_4_4_4},
{GL_RGB, GL_UNSIGNED_SHORT_5_5_5_1},
{GL_RGBA, GL_UNSIGNED_SHORT_5_6_5},
};
for (size_t dest_index = 0; dest_index < base::size(unsupported_format_types);
dest_index++) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
unsupported_format_types[dest_index].format,
unsupported_format_types[dest_index].type, false,
false, false);
EXPECT_TRUE(GL_INVALID_OPERATION == glGetError())
<< "dest_index:" << dest_index;
}
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
TEST_P(GLCopyTextureCHROMIUMTest, CopyTextureLevel) {
CopyType copy_type = GetParam();
// Copy from RGB source texture to dest texture.
FormatType src_format_type = {GL_RGB, GL_RGB, GL_UNSIGNED_BYTE};
FormatType dest_format_types[] = {
{GL_RGB, GL_RGB, GL_UNSIGNED_BYTE},
{GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE},
};
// Source level must be 0 in ES2 context.
GLint source_level = 0;
for (GLint dest_level = 0; dest_level < 3; dest_level++) {
for (auto dest_format_type : dest_format_types) {
RunCopyTexture(GL_TEXTURE_2D, copy_type, src_format_type, source_level,
dest_format_type, dest_level, false);
}
}
}
TEST_P(GLCopyTextureCHROMIUMES3Test, CopyTextureLevel) {
if (ShouldSkipTest())
return;
if (gl_.gpu_preferences().use_passthrough_cmd_decoder) {
// TODO(geofflang): anglebug.com/1932
LOG(INFO)
<< "Passthrough command decoder expected failure. Skipping test...";
return;
}
CopyType copy_type = GetParam();
// Copy from RGBA source texture to dest texture.
FormatType src_format_type = {GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE};
FormatType dest_format_types[] = {
{GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE},
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE},
};
for (GLint source_level = 0; source_level < 3; source_level++) {
for (GLint dest_level = 0; dest_level < 3; dest_level++) {
for (auto dest_format_type : dest_format_types) {
#if defined(OS_WIN) || defined(OS_ANDROID)
// TODO(qiankun.miao@intel.com): source_level > 0 or dest_level > 0
// isn't available due to renderinig bug for non-zero base level in
// NVIDIA Windows: crbug.com/679639 and Android: crbug.com/680460.
if (dest_level > 0)
continue;
#endif
RunCopyTexture(GL_TEXTURE_2D, copy_type, src_format_type, source_level,
dest_format_type, dest_level, true);
}
}
}
}
TEST_P(GLCopyTextureCHROMIUMTest, CopyTextureCubeMap) {
CopyType copy_type = GetParam();
GLenum dest_targets[] = {
GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z};
FormatType src_format_type = {GL_RGB, GL_RGB, GL_UNSIGNED_BYTE};
FormatType dest_format_types[] = {
{GL_RGB, GL_RGB, GL_UNSIGNED_BYTE}, {GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE},
};
GLint source_level = 0;
GLint dest_level = 0;
for (auto dest_format_type : dest_format_types) {
for (auto dest_target : dest_targets) {
RunCopyTexture(dest_target, copy_type, src_format_type, source_level,
dest_format_type, dest_level, false);
}
}
}
TEST_P(GLCopyTextureCHROMIUMES3Test, CopyTextureCubeMap) {
if (ShouldSkipTest())
return;
CopyType copy_type = GetParam();
GLenum dest_targets[] = {
GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z};
FormatType src_format_type = {GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE};
FormatType dest_format_types[] = {
{GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE},
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE},
{GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE},
};
GLint source_level = 0;
GLint dest_level = 0;
for (auto dest_format_type : dest_format_types) {
for (auto dest_target : dest_targets) {
RunCopyTexture(dest_target, copy_type, src_format_type, source_level,
dest_format_type, dest_level, true);
}
}
}
// Test to ensure that the destination texture is redefined if the properties
// are different.
TEST_F(GLCopyTextureCHROMIUMTest, RedefineDestinationTexture) {
uint8_t pixels[4 * 4] = {255u, 0u, 0u, 255u, 255u, 0u, 0u, 255u,
255u, 0u, 0u, 255u, 255u, 0u, 0u, 255u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D,
0,
GL_BGRA_EXT,
1,
1,
0,
GL_BGRA_EXT,
GL_UNSIGNED_BYTE,
pixels);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
// GL_INVALID_OPERATION due to "intrinsic format" != "internal format".
glTexSubImage2D(
GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
EXPECT_TRUE(GL_INVALID_OPERATION == glGetError());
// GL_INVALID_VALUE due to bad dimensions.
glTexSubImage2D(
GL_TEXTURE_2D, 0, 1, 1, 1, 1, GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
EXPECT_TRUE(GL_INVALID_VALUE == glGetError());
// If the dest texture has different properties, glCopyTextureCHROMIUM()
// redefines them.
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
// glTexSubImage2D() succeeds because textures_[1] is redefined into 2x2
// dimension and GL_RGBA format.
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexSubImage2D(
GL_TEXTURE_2D, 0, 1, 1, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
// Check the FB is still bound.
GLint value = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &value);
GLuint fb_id = value;
EXPECT_EQ(framebuffer_id_, fb_id);
// Check that FB is complete.
EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
glCheckFramebufferStatus(GL_FRAMEBUFFER));
GLTestHelper::CheckPixels(1, 1, 1, 1, 0, &pixels[12], nullptr);
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
}
namespace {
void glEnableDisable(GLint param, GLboolean value) {
if (value)
glEnable(param);
else
glDisable(param);
}
} // unnamed namespace
// Validate that some basic GL state is not touched upon execution of
// the extension.
TEST_P(GLCopyTextureCHROMIUMTest, BasicStatePreservation) {
CopyType copy_type = GetParam();
uint8_t pixels[1 * 4] = {255u, 0u, 0u, 255u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
pixels);
if (copy_type == TexSubImage) {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
}
GLboolean reference_settings[2] = { GL_TRUE, GL_FALSE };
for (int x = 0; x < 2; ++x) {
GLboolean setting = reference_settings[x];
glEnableDisable(GL_DEPTH_TEST, setting);
glEnableDisable(GL_SCISSOR_TEST, setting);
glEnableDisable(GL_STENCIL_TEST, setting);
glEnableDisable(GL_CULL_FACE, setting);
glEnableDisable(GL_BLEND, setting);
glColorMask(setting, setting, setting, setting);
glDepthMask(setting);
glActiveTexture(GL_TEXTURE1 + x);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
} else {
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
0, 0, 0, 0, 1, 1, false, false, false);
}
EXPECT_TRUE(GL_NO_ERROR == glGetError());
EXPECT_EQ(setting, glIsEnabled(GL_DEPTH_TEST));
EXPECT_EQ(setting, glIsEnabled(GL_SCISSOR_TEST));
EXPECT_EQ(setting, glIsEnabled(GL_STENCIL_TEST));
EXPECT_EQ(setting, glIsEnabled(GL_CULL_FACE));
EXPECT_EQ(setting, glIsEnabled(GL_BLEND));
GLboolean bool_array[4] = { GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE };
glGetBooleanv(GL_DEPTH_WRITEMASK, bool_array);
EXPECT_EQ(setting, bool_array[0]);
bool_array[0] = GL_FALSE;
glGetBooleanv(GL_COLOR_WRITEMASK, bool_array);
EXPECT_EQ(setting, bool_array[0]);
EXPECT_EQ(setting, bool_array[1]);
EXPECT_EQ(setting, bool_array[2]);
EXPECT_EQ(setting, bool_array[3]);
GLint active_texture = 0;
glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);
EXPECT_EQ(GL_TEXTURE1 + x, active_texture);
}
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
}
// Verify that invocation of the extension does not modify the bound
// texture state.
TEST_P(GLCopyTextureCHROMIUMTest, TextureStatePreserved) {
CopyType copy_type = GetParam();
// Setup the texture used for the extension invocation.
uint8_t pixels[1 * 4] = {255u, 0u, 0u, 255u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
pixels);
if (copy_type == TexSubImage) {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
}
GLuint texture_ids[2];
glGenTextures(2, texture_ids);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture_ids[0]);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, texture_ids[1]);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
} else {
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 0,
0, 0, 0, 1, 1, false, false, false);
}
EXPECT_TRUE(GL_NO_ERROR == glGetError());
GLint active_texture = 0;
glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);
EXPECT_EQ(GL_TEXTURE1, active_texture);
GLint bound_texture = 0;
glGetIntegerv(GL_TEXTURE_BINDING_2D, &bound_texture);
EXPECT_EQ(texture_ids[1], static_cast<GLuint>(bound_texture));
glBindTexture(GL_TEXTURE_2D, 0);
bound_texture = 0;
glActiveTexture(GL_TEXTURE0);
glGetIntegerv(GL_TEXTURE_BINDING_2D, &bound_texture);
EXPECT_EQ(texture_ids[0], static_cast<GLuint>(bound_texture));
glBindTexture(GL_TEXTURE_2D, 0);
glDeleteTextures(2, texture_ids);
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
}
// Verify that invocation of the extension does not perturb the currently
// bound FBO state.
TEST_P(GLCopyTextureCHROMIUMTest, FBOStatePreserved) {
CopyType copy_type = GetParam();
// Setup the texture used for the extension invocation.
uint8_t pixels[1 * 4] = {255u, 0u, 0u, 255u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
pixels);
if (copy_type == TexSubImage) {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
}
GLuint texture_id;
glGenTextures(1, &texture_id);
glBindTexture(GL_TEXTURE_2D, texture_id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
0);
GLuint renderbuffer_id;
glGenRenderbuffers(1, &renderbuffer_id);
glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer_id);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, 1, 1);
GLuint framebuffer_id;
glGenFramebuffers(1, &framebuffer_id);
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
texture_id, 0);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_RENDERBUFFER, renderbuffer_id);
EXPECT_TRUE(
GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_FRAMEBUFFER));
// Test that we can write to the bound framebuffer
uint8_t expected_color[4] = {255u, 255u, 0, 255u};
glClearColor(1.0, 1.0, 0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected_color, nullptr);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
} else {
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 0,
0, 0, 0, 1, 1, false, false, false);
}
EXPECT_TRUE(GL_NO_ERROR == glGetError());
EXPECT_TRUE(glIsFramebuffer(framebuffer_id));
// Ensure that reading from the framebuffer produces correct pixels.
GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected_color, nullptr);
uint8_t expected_color2[4] = {255u, 0, 255u, 255u};
glClearColor(1.0, 0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected_color2, nullptr);
GLint bound_fbo = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &bound_fbo);
EXPECT_EQ(framebuffer_id, static_cast<GLuint>(bound_fbo));
GLint fbo_params = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
&fbo_params);
EXPECT_EQ(GL_TEXTURE, fbo_params);
fbo_params = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&fbo_params);
EXPECT_EQ(texture_id, static_cast<GLuint>(fbo_params));
fbo_params = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
&fbo_params);
EXPECT_EQ(GL_RENDERBUFFER, fbo_params);
fbo_params = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&fbo_params);
EXPECT_EQ(renderbuffer_id, static_cast<GLuint>(fbo_params));
glDeleteRenderbuffers(1, &renderbuffer_id);
glDeleteTextures(1, &texture_id);
glDeleteFramebuffers(1, &framebuffer_id);
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
}
TEST_P(GLCopyTextureCHROMIUMTest, ProgramStatePreservation) {
CopyType copy_type = GetParam();
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glBindTexture(GL_TEXTURE_2D, 0);
GLManager gl2;
GLManager::Options options;
options.size = gfx::Size(16, 16);
options.share_group_manager = &gl_;
gl2.Initialize(options);
gl_.MakeCurrent();
static const char* v_shader_str =
"attribute vec4 g_Position;\n"
"void main()\n"
"{\n"
" gl_Position = g_Position;\n"
"}\n";
static const char* f_shader_str =
"precision mediump float;\n"
"void main()\n"
"{\n"
" gl_FragColor = vec4(0,1,0,1);\n"
"}\n";
GLuint program = GLTestHelper::LoadProgram(v_shader_str, f_shader_str);
glUseProgram(program);
GLuint position_loc = glGetAttribLocation(program, "g_Position");
glFlush();
// Delete program from other context.
gl2.MakeCurrent();
glDeleteProgram(program);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
glFlush();
// Program should still be usable on this context.
gl_.MakeCurrent();
GLTestHelper::SetupUnitQuad(position_loc);
// test using program before
uint8_t expected[] = {
0, 255, 0, 255,
};
uint8_t zero[] = {
0, 0, 0, 0,
};
glClear(GL_COLOR_BUFFER_BIT);
EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, zero, nullptr));
glDrawArrays(GL_TRIANGLES, 0, 6);
EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected, nullptr));
// Call copyTextureCHROMIUM
uint8_t pixels[1 * 4] = {255u, 0u, 0u, 255u};
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
pixels);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
} else {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 0,
0, 0, 0, 1, 1, false, false, false);
}
// test using program after
glClear(GL_COLOR_BUFFER_BIT);
EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, zero, nullptr));
glDrawArrays(GL_TRIANGLES, 0, 6);
EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected, nullptr));
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
gl2.MakeCurrent();
gl2.Destroy();
gl_.MakeCurrent();
}
// Test that glCopyTextureCHROMIUM doesn't leak uninitialized textures.
TEST_P(GLCopyTextureCHROMIUMTest, UninitializedSource) {
CopyType copy_type = GetParam();
const GLsizei kWidth = 64, kHeight = 64;
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
if (copy_type == TexImage) {
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
} else {
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, kWidth, kHeight, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 0,
0, 0, 0, kWidth, kHeight, false, false, false);
}
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t pixels[kHeight][kWidth][4] = {{{1}}};
glReadPixels(0, 0, kWidth, kHeight, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
for (int x = 0; x < kWidth; ++x) {
for (int y = 0; y < kHeight; ++y) {
EXPECT_EQ(0, pixels[y][x][0]);
EXPECT_EQ(0, pixels[y][x][1]);
EXPECT_EQ(0, pixels[y][x][2]);
EXPECT_EQ(0, pixels[y][x][3]);
}
}
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
}
TEST_F(GLCopyTextureCHROMIUMTest, CopySubTextureDimension) {
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 3, 3, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 1,
1, 0, 0, 1, 1, false, false, false);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
// xoffset < 0
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, -1,
1, 0, 0, 1, 1, false, false, false);
EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
// x < 0
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 1,
1, -1, 0, 1, 1, false, false, false);
EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
// xoffset + width > dest_width
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 2,
2, 0, 0, 2, 2, false, false, false);
EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
// x + width > source_width
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 0,
0, 1, 1, 2, 2, false, false, false);
EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
TEST_F(GLCopyTextureCHROMIUMTest, CopyTextureInvalidTextureIds) {
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 3, 3, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, 99993, 0, GL_RGBA,
GL_UNSIGNED_BYTE, false, false, false);
EXPECT_TRUE(GL_INVALID_VALUE == glGetError());
glCopyTextureCHROMIUM(99994, 0, GL_TEXTURE_2D, textures_[1], 0, GL_RGBA,
GL_UNSIGNED_BYTE, false, false, false);
EXPECT_TRUE(GL_INVALID_VALUE == glGetError());
glCopyTextureCHROMIUM(99995, 0, GL_TEXTURE_2D, 99996, 0, GL_RGBA,
GL_UNSIGNED_BYTE, false, false, false);
EXPECT_TRUE(GL_INVALID_VALUE == glGetError());
glCopyTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, false, false, false);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
TEST_F(GLCopyTextureCHROMIUMTest, CopySubTextureInvalidTextureIds) {
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 3, 3, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, 99993, 0, 1, 1, 0, 0,
1, 1, false, false, false);
EXPECT_TRUE(GL_INVALID_VALUE == glGetError());
glCopySubTextureCHROMIUM(99994, 0, GL_TEXTURE_2D, textures_[1], 0, 1, 1, 0, 0,
1, 1, false, false, false);
EXPECT_TRUE(GL_INVALID_VALUE == glGetError());
glCopySubTextureCHROMIUM(99995, 0, GL_TEXTURE_2D, 99996, 0, 1, 1, 0, 0, 1, 1,
false, false, false);
EXPECT_TRUE(GL_INVALID_VALUE == glGetError());
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 1,
1, 0, 0, 1, 1, false, false, false);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
TEST_F(GLCopyTextureCHROMIUMTest, CopySubTextureOffset) {
uint8_t rgba_pixels[4 * 4] = {255u, 0u, 0u, 255u, 0u, 255u, 0u, 255u,
0u, 0u, 255u, 255u, 0u, 0u, 0u, 255u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
rgba_pixels);
uint8_t transparent_pixels[4 * 4] = {0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u,
0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u};
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
transparent_pixels);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 1,
1, 0, 0, 1, 1, false, false, false);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 1,
0, 1, 0, 1, 1, false, false, false);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
glCopySubTextureCHROMIUM(textures_[0], 0, GL_TEXTURE_2D, textures_[1], 0, 0,
1, 0, 1, 1, 1, false, false, false);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
// Check the FB is still bound.
GLint value = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &value);
GLuint fb_id = value;
EXPECT_EQ(framebuffer_id_, fb_id);
// Check that FB is complete.
EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
glCheckFramebufferStatus(GL_FRAMEBUFFER));
uint8_t transparent[1 * 4] = {0u, 0u, 0u, 0u};
uint8_t red[1 * 4] = {255u, 0u, 0u, 255u};
uint8_t green[1 * 4] = {0u, 255u, 0u, 255u};
uint8_t blue[1 * 4] = {0u, 0u, 255u, 255u};
GLTestHelper::CheckPixels(0, 0, 1, 1, 0, transparent, nullptr);
GLTestHelper::CheckPixels(1, 1, 1, 1, 0, red, nullptr);
GLTestHelper::CheckPixels(1, 0, 1, 1, 0, green, nullptr);
GLTestHelper::CheckPixels(0, 1, 1, 1, 0, blue, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
TEST_F(GLCopyTextureCHROMIUMTest, CopyTextureBetweenTexture2DAndRectangleArb) {
if (!GLTestHelper::HasExtension("GL_ARB_texture_rectangle")) {
LOG(INFO) <<
"GL_ARB_texture_rectangle not supported. Skipping test...";
return;
}
GLenum src_targets[] = {GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_2D};
GLenum dest_targets[] = {GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_2D};
GLsizei src_width = 30;
GLsizei src_height = 14;
GLsizei dest_width = 15;
GLsizei dest_height = 13;
GLsizei copy_region_x = 1;
GLsizei copy_region_y = 1;
GLsizei copy_region_width = 5;
GLsizei copy_region_height = 3;
uint8_t red[1 * 4] = {255u, 0u, 0u, 255u};
uint8_t blue[1 * 4] = {0u, 0u, 255u, 255u};
uint8_t green[1 * 4] = {0u, 255u, 0, 255u};
uint8_t white[1 * 4] = {255u, 255u, 255u, 255u};
uint8_t grey[1 * 4] = {199u, 199u, 199u, 255u};
for (size_t src_index = 0; src_index < base::size(src_targets); src_index++) {
GLenum src_target = src_targets[src_index];
for (size_t dest_index = 0; dest_index < base::size(dest_targets);
dest_index++) {
GLenum dest_target = dest_targets[dest_index];
CreateAndBindDestinationTextureAndFBO(dest_target);
// Allocate source and destination textures.
glBindTexture(src_target, textures_[0]);
CreateBackingForTexture(src_target, src_width, src_height);
glBindTexture(dest_target, textures_[1]);
CreateBackingForTexture(dest_target, dest_width, dest_height);
// The bottom left is red, bottom right is blue, top left is green, top
// right is white.
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, src_target,
textures_[0], 0);
glBindTexture(src_target, textures_[0]);
for (GLint x = 0; x < src_width; ++x) {
for (GLint y = 0; y < src_height; ++y) {
uint8_t* data;
if (x < src_width / 2) {
data = y < src_height / 2 ? red : green;
} else {
data = y < src_height / 2 ? blue : white;
}
glTexSubImage2D(src_target, 0, x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE,
data);
}
}
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, dest_target,
textures_[1], 0);
glBindTexture(dest_target, textures_[1]);
// Copy the subtexture x=[13,18) y=[6,9) to the destination.
glClearColor(grey[0] / 255.f, grey[1] / 255.f, grey[2] / 255.f, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glCopySubTextureCHROMIUM(textures_[0], 0, dest_target, textures_[1], 0,
copy_region_x, copy_region_y, 13, 6,
copy_region_width, copy_region_height, false,
false, false);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
for (GLint x = 0; x < dest_width; ++x) {
for (GLint y = 0; y < dest_height; ++y) {
if (x < copy_region_x || x >= copy_region_x + copy_region_width ||
y < copy_region_y || y >= copy_region_y + copy_region_height) {
GLTestHelper::CheckPixels(x, y, 1, 1, 0, grey, nullptr);
continue;
}
uint8_t* expected_color;
if (x < copy_region_x + 2) {
expected_color = y < copy_region_y + 1 ? red : green;
} else {
expected_color = y < copy_region_y + 1 ? blue : white;
}
GLTestHelper::CheckPixels(x, y, 1, 1, 0, expected_color, nullptr);
}
}
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
}
}
TEST_F(GLCopyTextureCHROMIUMTest, UnpremultiplyAndDitherCopy) {
if (gl_.gpu_preferences().use_passthrough_cmd_decoder) {
// UnpremultiplyAndDitherCopyCHROMIUM is not supported on passthrough.
return;
}
uint8_t premul_undithered_rgba_pixels[4 * 4] = {
64u, 0u, 0u, 128u, 0u, 128u, 0u, 255u,
0u, 0u, 64u, 255u, 0u, 0u, 0u, 128u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
premul_undithered_rgba_pixels);
uint16_t transparent_pixels[4] = {0u, 0u, 0u, 0u};
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4, transparent_pixels);
glUnpremultiplyAndDitherCopyCHROMIUM(textures_[0], textures_[1], 0, 0, 2, 2);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
uint8_t pixel_0_0[4] = {135u, 8u, 8u, 136u};
GLTestHelper::CheckPixels(0, 0, 1, 1, 17, pixel_0_0, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t pixel_1_0[4] = {0u, 127u, 0u, 255u};
GLTestHelper::CheckPixels(1, 0, 1, 1, 17, pixel_1_0, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t pixel_0_1[4] = {4u, 4u, 68u, 255u};
GLTestHelper::CheckPixels(0, 1, 1, 1, 17, pixel_0_1, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t pixel_1_1[4] = {0u, 0u, 0u, 123u};
GLTestHelper::CheckPixels(1, 1, 1, 1, 17, pixel_1_1, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
TEST_F(GLCopyTextureCHROMIUMTest, UnpremultiplyAndDitherCopySubrect) {
if (gl_.gpu_preferences().use_passthrough_cmd_decoder) {
// UnpremultiplyAndDitherCopyCHROMIUM is not supported on passthrough.
return;
}
uint8_t premul_undithered_rgba_pixels[4 * 4] = {
64u, 0u, 0u, 128u, 0u, 128u, 0u, 255u,
0u, 0u, 64u, 255u, 0u, 0u, 0u, 128u};
CreateAndBindDestinationTextureAndFBO(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textures_[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
premul_undithered_rgba_pixels);
uint16_t transparent_pixels[4] = {0u, 0u, 0u, 0u};
glBindTexture(GL_TEXTURE_2D, textures_[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4, transparent_pixels);
glUnpremultiplyAndDitherCopyCHROMIUM(textures_[0], textures_[1], 1, 0, 1, 2);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
uint8_t pixel_0_0[4] = {0u, 0u, 0u, 0u};
GLTestHelper::CheckPixels(0, 0, 1, 1, 0, pixel_0_0, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t pixel_1_0[4] = {0u, 127u, 0u, 255u};
GLTestHelper::CheckPixels(1, 0, 1, 1, 17, pixel_1_0, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t pixel_0_1[4] = {0u, 0u, 0u, 0u};
GLTestHelper::CheckPixels(0, 1, 1, 1, 0, pixel_0_1, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
uint8_t pixel_1_1[4] = {0u, 0u, 0u, 123u};
GLTestHelper::CheckPixels(1, 1, 1, 1, 17, pixel_1_1, nullptr);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
glDeleteTextures(2, textures_);
glDeleteFramebuffers(1, &framebuffer_id_);
}
} // namespace gpu