| // |
| // 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" |
| #include "test_utils/gl_raii.h" |
| |
| #include "media/pixel.inc" |
| |
| using namespace angle; |
| |
| class DXT1CompressedTextureTest : public ANGLETest<> |
| { |
| protected: |
| DXT1CompressedTextureTest() |
| { |
| setWindowWidth(512); |
| setWindowHeight(512); |
| setConfigRedBits(8); |
| setConfigGreenBits(8); |
| setConfigBlueBits(8); |
| setConfigAlphaBits(8); |
| } |
| |
| void testSetUp() override |
| { |
| constexpr char kVS[] = R"(precision highp float; |
| attribute vec4 position; |
| varying vec2 texcoord; |
| |
| void main() |
| { |
| gl_Position = position; |
| texcoord = (position.xy * 0.5) + 0.5; |
| texcoord.y = 1.0 - texcoord.y; |
| })"; |
| |
| constexpr char kFS[] = R"(precision highp float; |
| uniform sampler2D tex; |
| varying vec2 texcoord; |
| |
| void main() |
| { |
| gl_FragColor = texture2D(tex, texcoord); |
| })"; |
| |
| mTextureProgram = CompileProgram(kVS, kFS); |
| if (mTextureProgram == 0) |
| { |
| FAIL() << "shader compilation failed."; |
| } |
| |
| mTextureUniformLocation = glGetUniformLocation(mTextureProgram, "tex"); |
| |
| ASSERT_GL_NO_ERROR(); |
| } |
| |
| void testTearDown() override { glDeleteProgram(mTextureProgram); } |
| |
| GLuint mTextureProgram; |
| GLint mTextureUniformLocation; |
| }; |
| |
| TEST_P(DXT1CompressedTextureTest, CompressedTexImage) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLuint texture; |
| glGenTextures(1, &texture); |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| |
| glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height, 0, pixel_0_size, pixel_0_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_1_width, |
| pixel_1_height, 0, pixel_1_size, pixel_1_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_2_width, |
| pixel_2_height, 0, pixel_2_size, pixel_2_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 3, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_3_width, |
| pixel_3_height, 0, pixel_3_size, pixel_3_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_4_width, |
| pixel_4_height, 0, pixel_4_size, pixel_4_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 5, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_5_width, |
| pixel_5_height, 0, pixel_5_size, pixel_5_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 6, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_6_width, |
| pixel_6_height, 0, pixel_6_size, pixel_6_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 7, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_7_width, |
| pixel_7_height, 0, pixel_7_size, pixel_7_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 8, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_8_width, |
| pixel_8_height, 0, pixel_8_size, pixel_8_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 9, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_9_width, |
| pixel_9_height, 0, pixel_9_size, pixel_9_data); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glUseProgram(mTextureProgram); |
| glUniform1i(mTextureUniformLocation, 0); |
| |
| drawQuad(mTextureProgram, "position", 0.5f); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glDeleteTextures(1, &texture); |
| |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Verify that DXT1 RGB textures have 1.0 alpha when sampled |
| TEST_P(DXT1CompressedTextureTest, DXT1Alpha) |
| { |
| auto test = [&](const std::string &extName, GLenum format) { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled(extName)); |
| |
| // On platforms without native support for DXT1 RGB or texture swizzling (such as D3D or |
| // some Metal configurations), this test is allowed to succeed with transparent black |
| // instead of opaque black. |
| const bool opaque = !IsD3D() && !(IsMetal() && !IsMetalTextureSwizzleAvailable()); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| |
| // Image using pixels with the code for transparent black: |
| // "BLACK, if color0 <= color1 and code(x,y) == 3" |
| constexpr uint8_t CompressedImageDXT1[] = {0, 0, 0, 0, 255, 255, 255, 255}; |
| glCompressedTexImage2D(GL_TEXTURE_2D, 0, format, 4, 4, 0, sizeof(CompressedImageDXT1), |
| CompressedImageDXT1); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glUseProgram(mTextureProgram); |
| glUniform1i(mTextureUniformLocation, 0); |
| |
| constexpr GLint kDrawSize = 4; |
| // The image is one 4x4 block, make the viewport only 4x4. |
| glViewport(0, 0, kDrawSize, kDrawSize); |
| |
| drawQuad(mTextureProgram, "position", 0.5f); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| for (GLint y = 0; y < kDrawSize; y++) |
| { |
| for (GLint x = 0; x < kDrawSize; x++) |
| { |
| EXPECT_PIXEL_EQ(x, y, 0, 0, 0, opaque ? 255 : 0) |
| << "at (" << x << ", " << y << ") for " << extName; |
| } |
| } |
| }; |
| |
| test("GL_EXT_texture_compression_dxt1", GL_COMPRESSED_RGB_S3TC_DXT1_EXT); |
| test("GL_EXT_texture_compression_s3tc_srgb", GL_COMPRESSED_SRGB_S3TC_DXT1_EXT); |
| } |
| |
| TEST_P(DXT1CompressedTextureTest, CompressedTexStorage) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| ANGLE_SKIP_TEST_IF(getClientMajorVersion() < 3 && |
| (!IsGLExtensionEnabled("GL_EXT_texture_storage") || |
| !IsGLExtensionEnabled("GL_OES_rgb8_rgba8"))); |
| |
| GLuint texture; |
| glGenTextures(1, &texture); |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| 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 (getClientMajorVersion() < 3) |
| { |
| glTexStorage2DEXT(GL_TEXTURE_2D, pixel_levels, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, |
| pixel_0_width, pixel_0_height); |
| } |
| else |
| { |
| glTexStorage2D(GL_TEXTURE_2D, pixel_levels, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height); |
| } |
| EXPECT_GL_NO_ERROR(); |
| |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, pixel_0_width, pixel_0_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_size, pixel_0_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, pixel_1_width, pixel_1_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_1_size, pixel_1_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 2, 0, 0, pixel_2_width, pixel_2_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_2_size, pixel_2_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 3, 0, 0, pixel_3_width, pixel_3_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_3_size, pixel_3_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 4, 0, 0, pixel_4_width, pixel_4_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_4_size, pixel_4_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 5, 0, 0, pixel_5_width, pixel_5_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_5_size, pixel_5_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 6, 0, 0, pixel_6_width, pixel_6_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_6_size, pixel_6_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 7, 0, 0, pixel_7_width, pixel_7_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_7_size, pixel_7_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 8, 0, 0, pixel_8_width, pixel_8_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_8_size, pixel_8_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 9, 0, 0, pixel_9_width, pixel_9_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_9_size, pixel_9_data); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glUseProgram(mTextureProgram); |
| glUniform1i(mTextureUniformLocation, 0); |
| |
| drawQuad(mTextureProgram, "position", 0.5f); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glDeleteTextures(1, &texture); |
| |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Test validation of non block sizes, width 672 and height 114 and multiple mip levels |
| TEST_P(DXT1CompressedTextureTest, NonBlockSizesMipLevels) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| |
| constexpr GLuint kWidth = 674; |
| constexpr GLuint kHeight = 114; |
| |
| // From EXT_texture_compression_s3tc specifications: |
| // When an S3TC image with a width of <w>, height of <h>, and block size of |
| // <blocksize> (8 or 16 bytes) is decoded, the corresponding image size (in |
| // bytes) is: |
| // ceil(<w>/4) * ceil(<h>/4) * blocksize. |
| constexpr GLuint kImageSize = ((kWidth + 3) / 4) * ((kHeight + 3) / 4) * 8; |
| |
| glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, kWidth, kHeight, 0, |
| kImageSize, nullptr); |
| ASSERT_GL_NO_ERROR(); |
| |
| constexpr GLuint kImageSize1 = ((kWidth / 2 + 3) / 4) * ((kHeight / 2 + 3) / 4) * 8; |
| glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, kWidth / 2, |
| kHeight / 2, 0, kImageSize1, nullptr); |
| ASSERT_GL_NO_ERROR(); |
| |
| constexpr GLuint kImageSize2 = ((kWidth / 4 + 3) / 4) * ((kHeight / 4 + 3) / 4) * 8; |
| glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, kWidth / 4, |
| kHeight / 4, 0, kImageSize2, nullptr); |
| ASSERT_GL_NO_ERROR(); |
| } |
| |
| // Test validation of glCompressedTexSubImage2D with DXT formats |
| TEST_P(DXT1CompressedTextureTest, CompressedTexSubImageValidation) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| |
| // Size mip 0 to a large size |
| glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height, 0, pixel_0_size, nullptr); |
| ASSERT_GL_NO_ERROR(); |
| |
| // Set a sub image with an offset that isn't a multiple of the block size |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 1, 3, pixel_1_width, pixel_1_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_1_size, pixel_1_data); |
| ASSERT_GL_ERROR(GL_INVALID_OPERATION); |
| |
| // Set a sub image with a negative offset |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, -1, 0, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 8, |
| pixel_1_data); |
| ASSERT_GL_ERROR(GL_INVALID_VALUE); |
| |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, -1, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 8, |
| pixel_1_data); |
| ASSERT_GL_ERROR(GL_INVALID_VALUE); |
| } |
| |
| // Test that it's not possible to call CopyTexSubImage2D on a compressed texture |
| TEST_P(DXT1CompressedTextureTest, CopyTexSubImage2DDisallowed) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| |
| glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height, 0, pixel_0_size, nullptr); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, 4, 4); |
| ASSERT_GL_ERROR(GL_INVALID_OPERATION); |
| } |
| |
| TEST_P(DXT1CompressedTextureTest, PBOCompressedTexStorage) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| ANGLE_SKIP_TEST_IF(getClientMajorVersion() < 3 && |
| !IsGLExtensionEnabled("GL_NV_pixel_buffer_object")); |
| |
| ANGLE_SKIP_TEST_IF(getClientMajorVersion() < 3 && |
| (!IsGLExtensionEnabled("GL_EXT_texture_storage") || |
| !IsGLExtensionEnabled("GL_OES_rgb8_rgba8"))); |
| |
| GLuint texture; |
| glGenTextures(1, &texture); |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| 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 (getClientMajorVersion() < 3) |
| { |
| glTexStorage2DEXT(GL_TEXTURE_2D, pixel_levels, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, |
| pixel_0_width, pixel_0_height); |
| } |
| else |
| { |
| glTexStorage2D(GL_TEXTURE_2D, pixel_levels, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height); |
| } |
| EXPECT_GL_NO_ERROR(); |
| |
| GLuint buffer; |
| glGenBuffers(1, &buffer); |
| glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer); |
| glBufferData(GL_PIXEL_UNPACK_BUFFER, pixel_0_size, nullptr, GL_STREAM_DRAW); |
| EXPECT_GL_NO_ERROR(); |
| |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_0_size, pixel_0_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, pixel_0_width, pixel_0_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_1_size, pixel_1_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, pixel_1_width, pixel_1_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_1_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_2_size, pixel_2_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 2, 0, 0, pixel_2_width, pixel_2_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_2_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_3_size, pixel_3_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 3, 0, 0, pixel_3_width, pixel_3_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_3_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_4_size, pixel_4_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 4, 0, 0, pixel_4_width, pixel_4_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_4_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_5_size, pixel_5_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 5, 0, 0, pixel_5_width, pixel_5_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_5_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_6_size, pixel_6_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 6, 0, 0, pixel_6_width, pixel_6_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_6_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_7_size, pixel_7_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 7, 0, 0, pixel_7_width, pixel_7_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_7_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_8_size, pixel_8_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 8, 0, 0, pixel_8_width, pixel_8_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_8_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_9_size, pixel_9_data); |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 9, 0, 0, pixel_9_width, pixel_9_height, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_9_size, nullptr); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glUseProgram(mTextureProgram); |
| glUniform1i(mTextureUniformLocation, 0); |
| |
| drawQuad(mTextureProgram, "position", 0.5f); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glDeleteTextures(1, &texture); |
| |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| class DXT1CompressedTextureTestES3 : public DXT1CompressedTextureTest |
| {}; |
| |
| TEST_P(DXT1CompressedTextureTestES3, PBOCompressedTexImage) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLuint texture; |
| glGenTextures(1, &texture); |
| glBindTexture(GL_TEXTURE_2D, texture); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| |
| GLuint buffer; |
| glGenBuffers(1, &buffer); |
| glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer); |
| glBufferData(GL_PIXEL_UNPACK_BUFFER, pixel_0_size, nullptr, GL_STREAM_DRAW); |
| EXPECT_GL_NO_ERROR(); |
| |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_0_size, pixel_0_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height, 0, pixel_0_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_1_size, pixel_1_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_1_width, |
| pixel_1_height, 0, pixel_1_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_2_size, pixel_2_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_2_width, |
| pixel_2_height, 0, pixel_2_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_3_size, pixel_3_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 3, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_3_width, |
| pixel_3_height, 0, pixel_3_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_4_size, pixel_4_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_4_width, |
| pixel_4_height, 0, pixel_4_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_5_size, pixel_5_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 5, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_5_width, |
| pixel_5_height, 0, pixel_5_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_6_size, pixel_6_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 6, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_6_width, |
| pixel_6_height, 0, pixel_6_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_7_size, pixel_7_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 7, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_7_width, |
| pixel_7_height, 0, pixel_7_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_8_size, pixel_8_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 8, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_8_width, |
| pixel_8_height, 0, pixel_8_size, nullptr); |
| glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, pixel_9_size, pixel_9_data); |
| glCompressedTexImage2D(GL_TEXTURE_2D, 9, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_9_width, |
| pixel_9_height, 0, pixel_9_size, nullptr); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glUseProgram(mTextureProgram); |
| glUniform1i(mTextureUniformLocation, 0); |
| |
| drawQuad(mTextureProgram, "position", 0.5f); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| glDeleteTextures(1, &buffer); |
| glDeleteTextures(1, &texture); |
| |
| EXPECT_GL_NO_ERROR(); |
| } |
| |
| // Test validation of glCompressedTexSubImage3D with DXT formats |
| TEST_P(DXT1CompressedTextureTestES3, CompressedTexSubImageValidation) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D_ARRAY, texture); |
| |
| // Size mip 0 to a large size |
| glCompressedTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height, 1, 0, pixel_0_size, nullptr); |
| ASSERT_GL_NO_ERROR(); |
| |
| // Set a sub image with a negative offset |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, -1, 0, 0, 4, 4, 1, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 8, pixel_1_data); |
| ASSERT_GL_ERROR(GL_INVALID_VALUE); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, -1, 0, 4, 4, 1, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 8, pixel_1_data); |
| ASSERT_GL_ERROR(GL_INVALID_VALUE); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, -1, 4, 4, 1, |
| GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 8, pixel_1_data); |
| ASSERT_GL_ERROR(GL_INVALID_VALUE); |
| } |
| |
| // Test validation of glCompressedTexSubImage3D with per-slice data uploads |
| TEST_P(DXT1CompressedTextureTestES3, CompressedTexSubImage3DValidationPerSlice) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D_ARRAY, texture); |
| const GLenum format = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; |
| |
| // 8x8x2, 4x4x2, 2x2x2, 1x1x2 |
| glTexStorage3D(GL_TEXTURE_2D_ARRAY, 4, format, 8, 8, 2); |
| ASSERT_GL_NO_ERROR(); |
| |
| uint8_t data[32] = {}; |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, 0, 8, 8, 1, format, 32, data); |
| ASSERT_GL_NO_ERROR(); |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, 1, 8, 8, 1, format, 32, data); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 1, 0, 0, 0, 4, 4, 1, format, 8, data); |
| ASSERT_GL_NO_ERROR(); |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 1, 0, 0, 1, 4, 4, 1, format, 8, data); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 2, 0, 0, 0, 2, 2, 1, format, 8, data); |
| ASSERT_GL_NO_ERROR(); |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 2, 0, 0, 1, 2, 2, 1, format, 8, data); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 3, 0, 0, 0, 1, 1, 1, format, 8, data); |
| ASSERT_GL_NO_ERROR(); |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 3, 0, 0, 1, 1, 1, 1, format, 8, data); |
| ASSERT_GL_NO_ERROR(); |
| } |
| |
| // Test validation of glCompressedTexSubImage3D with combined per-level data uploads |
| TEST_P(DXT1CompressedTextureTestES3, CompressedTexSubImage3DValidationPerLevel) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D_ARRAY, texture); |
| const GLenum format = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; |
| |
| // 8x8x2, 4x4x2, 2x2x2, 1x1x2 |
| glTexStorage3D(GL_TEXTURE_2D_ARRAY, 4, format, 8, 8, 2); |
| ASSERT_GL_NO_ERROR(); |
| |
| uint8_t data[64] = {}; |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, 0, 8, 8, 2, format, 64, data); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 1, 0, 0, 0, 4, 4, 2, format, 16, data); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 2, 0, 0, 0, 2, 2, 2, format, 16, data); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 3, 0, 0, 0, 1, 1, 2, format, 16, data); |
| ASSERT_GL_NO_ERROR(); |
| } |
| |
| // Test validation of glCompressedTexSubImage3D with DXT formats |
| TEST_P(DXT1CompressedTextureTestES3, CopyTexSubImage3DDisallowed) |
| { |
| ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D_ARRAY, texture); |
| |
| GLsizei depth = 4; |
| glCompressedTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, |
| pixel_0_height, depth, 0, pixel_0_size * depth, nullptr); |
| ASSERT_GL_NO_ERROR(); |
| |
| glCopyTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, 0, 0, 0, 4, 4); |
| ASSERT_GL_ERROR(GL_INVALID_OPERATION); |
| } |
| |
| class DXT1CompressedTextureTestWebGL2 : public DXT1CompressedTextureTest |
| { |
| protected: |
| DXT1CompressedTextureTestWebGL2() |
| { |
| setWebGLCompatibilityEnabled(true); |
| setRobustResourceInit(true); |
| } |
| }; |
| |
| // Regression test for https://crbug.com/1289428 |
| TEST_P(DXT1CompressedTextureTestWebGL2, InitializeTextureContents) |
| { |
| ANGLE_SKIP_TEST_IF(!EnsureGLExtensionEnabled("GL_EXT_texture_compression_dxt1")); |
| |
| glUseProgram(mTextureProgram); |
| glUniform1i(mTextureUniformLocation, 0); |
| |
| glClearColor(0, 0, 1, 1); |
| |
| const std::array<uint8_t, 8> kGreen = {0xE0, 0x07, 0xE0, 0x07, 0x00, 0x00, 0x00, 0x00}; |
| |
| GLTexture tex; |
| glBindTexture(GL_TEXTURE_2D, tex); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| |
| glTexStorage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4); |
| EXPECT_GL_NO_ERROR(); |
| |
| glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| drawQuad(mTextureProgram, "position", 0.5f, 1.0f, true); |
| EXPECT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(getWindowWidth() / 2, getWindowHeight() / 2, GLColor::black); |
| |
| glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 4, 4, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 8, |
| kGreen.data()); |
| EXPECT_GL_NO_ERROR(); |
| |
| glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| drawQuad(mTextureProgram, "position", 0.5f, 1.0f, true); |
| EXPECT_GL_NO_ERROR(); |
| EXPECT_PIXEL_COLOR_EQ(getWindowWidth() / 2, getWindowHeight() / 2, GLColor::green); |
| } |
| |
| ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(DXT1CompressedTextureTest); |
| |
| GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(DXT1CompressedTextureTestES3); |
| ANGLE_INSTANTIATE_TEST_ES3_AND(DXT1CompressedTextureTestES3, |
| ES3_VULKAN().enable(angle::Feature::ForceRobustResourceInit)); |
| |
| ANGLE_INSTANTIATE_TEST_ES3(DXT1CompressedTextureTestWebGL2); |
