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//
// Copyright 2015 The ANGLE Project 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 "test_utils/ANGLETest.h"
using namespace angle;
namespace
{
class SRGBTextureTest : public ANGLETest
{
protected:
SRGBTextureTest()
{
setWindowWidth(128);
setWindowHeight(128);
setConfigRedBits(8);
setConfigGreenBits(8);
setConfigBlueBits(8);
setConfigAlphaBits(8);
}
void SetUp() override
{
ANGLETest::SetUp();
}
void TearDown() override
{
ANGLETest::TearDown();
}
};
TEST_P(SRGBTextureTest, SRGBValidation)
{
bool supported = extensionEnabled("GL_EXT_sRGB") || getClientMajorVersion() == 3;
GLuint tex = 0;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
GLubyte pixel[3] = { 0 };
glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB, 1, 1, 0, GL_SRGB, GL_UNSIGNED_BYTE, pixel);
if (supported)
{
EXPECT_GL_NO_ERROR();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, GL_SRGB, GL_UNSIGNED_BYTE, pixel);
EXPECT_GL_NO_ERROR();
glGenerateMipmap(GL_TEXTURE_2D);
EXPECT_GL_ERROR(GL_INVALID_OPERATION);
}
else
{
EXPECT_GL_ERROR(GL_INVALID_ENUM);
}
glDeleteTextures(1, &tex);
}
TEST_P(SRGBTextureTest, SRGBAValidation)
{
bool supported = extensionEnabled("GL_EXT_sRGB") || getClientMajorVersion() == 3;
GLuint tex = 0;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
GLubyte pixel[4] = { 0 };
glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB_ALPHA_EXT, 1, 1, 0, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, pixel);
if (supported)
{
EXPECT_GL_NO_ERROR();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, pixel);
EXPECT_GL_NO_ERROR();
glGenerateMipmap(GL_TEXTURE_2D);
if (getClientMajorVersion() == 2)
{
EXPECT_GL_ERROR(GL_INVALID_OPERATION);
}
else
{
EXPECT_GL_NO_ERROR();
}
}
else
{
EXPECT_GL_ERROR(GL_INVALID_ENUM);
}
glDeleteTextures(1, &tex);
}
TEST_P(SRGBTextureTest, SRGBARenderbuffer)
{
bool supported = extensionEnabled("GL_EXT_sRGB") || getClientMajorVersion() == 3;
GLuint rbo = 0;
glGenRenderbuffers(1, &rbo);
glBindRenderbuffer(GL_RENDERBUFFER, rbo);
glRenderbufferStorage(GL_RENDERBUFFER, GL_SRGB8_ALPHA8_EXT, 1, 1);
if (supported)
{
EXPECT_GL_NO_ERROR();
}
else
{
EXPECT_GL_ERROR(GL_INVALID_ENUM);
// Make sure the rbo has a size for future tests
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8_OES, 1, 1);
EXPECT_GL_NO_ERROR();
}
GLuint fbo = 0;
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rbo);
EXPECT_GL_NO_ERROR();
GLint colorEncoding = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT, &colorEncoding);
if (supported)
{
EXPECT_GL_NO_ERROR();
EXPECT_EQ(GL_SRGB_EXT, colorEncoding);
}
else
{
EXPECT_GL_ERROR(GL_INVALID_ENUM);
}
glDeleteFramebuffers(1, &fbo);
glDeleteRenderbuffers(1, &rbo);
}
// Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against.
ANGLE_INSTANTIATE_TEST(SRGBTextureTest,
ES2_D3D9(),
ES2_D3D11(),
ES3_D3D11(),
ES2_OPENGL(),
ES2_OPENGLES());
} // namespace
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