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Commit 20bf7034 by Geoff Lang
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Support GL_ETC1_RGB8_OES in the OpenGL renderer.

Passes all dEQP tests related to etc1. Change-Id: I33f37c44396899d87e9ef19bd7a6e2b2482d232a Reviewed-on: https://chromium-review.googlesource.com/299342Reviewed-by: 's avatarCorentin Wallez <cwallez@chromium.org> Reviewed-by: 's avatarJamie Madill <jmadill@chromium.org> Tested-by: 's avatarGeoff Lang <geofflang@chromium.org>
parent 82844367
Showing with 92 additions and 12 deletions
src/libANGLE/Caps.h
...@@ -80,6 +80,7 @@ struct Extensions ...@@ -80,6 +80,7 @@ struct Extensions
// GL_OES_texture_float, GL_OES_texture_float_linear // GL_OES_texture_float, GL_OES_texture_float_linear
// GL_EXT_texture_rg // GL_EXT_texture_rg
// GL_EXT_texture_compression_dxt1, GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5 // GL_EXT_texture_compression_dxt1, GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5
// GL_OES_compressed_ETC1_RGB8_texture
// GL_EXT_sRGB // GL_EXT_sRGB
// GL_ANGLE_depth_texture // GL_ANGLE_depth_texture
// GL_EXT_color_buffer_float // GL_EXT_color_buffer_float
...@@ -138,6 +139,10 @@ struct Extensions ...@@ -138,6 +139,10 @@ struct Extensions
bool textureCompressionDXT3; bool textureCompressionDXT3;
bool textureCompressionDXT5; bool textureCompressionDXT5;
// GL_OES_compressed_ETC1_RGB8_texture
// Implies that TextureCaps for GL_ETC1_RGB8_OES exist
bool compressedETC1RGB8Texture;
// GL_EXT_sRGB // GL_EXT_sRGB
// Implies that TextureCaps for GL_SRGB8_ALPHA8 and GL_SRGB8 exist // Implies that TextureCaps for GL_SRGB8_ALPHA8 and GL_SRGB8 exist
// TODO: Don't advertise this extension in ES3 // TODO: Don't advertise this extension in ES3
......
src/libANGLE/formatutils.cpp
...@@ -459,15 +459,18 @@ static InternalFormatInfoMap BuildInternalFormatInfoMap() ...@@ -459,15 +459,18 @@ static InternalFormatInfoMap BuildInternalFormatInfoMap()
map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, true, RequireES<3>, NeverSupported, AlwaysSupported))); map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, true, RequireES<3>, NeverSupported, AlwaysSupported)));
// From GL_EXT_texture_compression_dxt1 // From GL_EXT_texture_compression_dxt1
// | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable | // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported))); map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported)));
map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported))); map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported)));
// From GL_ANGLE_texture_compression_dxt3 // From GL_ANGLE_texture_compression_dxt3
map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported))); map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported)));
// From GL_ANGLE_texture_compression_dxt5 // From GL_ANGLE_texture_compression_dxt5
map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported))); map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported)));
// From GL_OES_compressed_ETC1_RGB8_texture
map.insert(InternalFormatInfoPair(GL_ETC1_RGB8_OES, CompressedFormat(4, 4, 64, 3, GL_ETC1_RGB8_OES, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::compressedETC1RGB8Texture>, NeverSupported, AlwaysSupported)));
// For STENCIL_INDEX8 we chose a normalized component type for the following reasons: // For STENCIL_INDEX8 we chose a normalized component type for the following reasons:
// - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8 // - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8
......
src/libANGLE/renderer/gl/formatutilsgl.cpp
...@@ -237,15 +237,19 @@ static InternalFormatInfoMap BuildInternalFormatInfoMap() ...@@ -237,15 +237,19 @@ static InternalFormatInfoMap BuildInternalFormatInfoMap()
InsertFormatMapping(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, VersionOrExts(4, 3, "GL_ARB_ES3_compatibility"), Always(), Never(), VersionOnly(3, 0), Always(), Never()); InsertFormatMapping(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, VersionOrExts(4, 3, "GL_ARB_ES3_compatibility"), Always(), Never(), VersionOnly(3, 0), Always(), Never());
// From GL_EXT_texture_compression_dxt1 // From GL_EXT_texture_compression_dxt1
// | Format | OpenGL texture support | Filter | Render | OpenGL ES texture support | Filter | Render | // | Format | OpenGL texture support | Filter | Render | OpenGL ES texture support | Filter | Render |
InsertFormatMapping(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_EXT_texture_compression_dxt1"), Always(), Never()); InsertFormatMapping(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_EXT_texture_compression_dxt1"), Always(), Never());
InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_EXT_texture_compression_dxt1"), Always(), Never()); InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_EXT_texture_compression_dxt1"), Always(), Never());
// From GL_ANGLE_texture_compression_dxt3 // From GL_ANGLE_texture_compression_dxt3
InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_ANGLE_texture_compression_dxt3"), Always(), Never()); InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_ANGLE_texture_compression_dxt3"), Always(), Never());
// From GL_ANGLE_texture_compression_dxt5 // From GL_ANGLE_texture_compression_dxt5
InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_ANGLE_texture_compression_dxt5"), Always(), Never()); InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, ExtsOnly("GL_EXT_texture_compression_s3tc"), Always(), Never(), ExtsOnly("GL_ANGLE_texture_compression_dxt5"), Always(), Never());
// From GL_ETC1_RGB8_OES
InsertFormatMapping(&map, GL_ETC1_RGB8_OES, VersionOrExts(4, 3, "GL_ARB_ES3_compatibility"), Always(), Never(), VersionOrExts(3, 0, "GL_ETC1_RGB8_OES"), Always(), Never());
// clang-format on // clang-format on
return map; return map;
...@@ -382,6 +386,35 @@ static GLenum GetNativeFormat(const FunctionsGL *functions, ...@@ -382,6 +386,35 @@ static GLenum GetNativeFormat(const FunctionsGL *functions,
return result; return result;
} }
static GLenum GetNativeCompressedFormat(const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
GLenum format)
{
GLenum result = format;
if (functions->standard == STANDARD_GL_DESKTOP)
{
if (format == GL_ETC1_RGB8_OES)
{
// GL_ETC1_RGB8_OES is not available in any desktop GL extension but the compression
// format is forwards compatible so just use the ETC2 format.
result = GL_COMPRESSED_RGB8_ETC2;
}
}
if (functions->isAtLeastGLES(gl::Version(3, 0)))
{
if (format == GL_ETC1_RGB8_OES)
{
// Pass GL_COMPRESSED_RGB8_ETC2 as the target format in ES3 and higher because it
// becomes a core format.
result = GL_COMPRESSED_RGB8_ETC2;
}
}
return result;
}
static GLenum GetNativeType(const FunctionsGL *functions, static GLenum GetNativeType(const FunctionsGL *functions,
const WorkaroundsGL &workarounds, const WorkaroundsGL &workarounds,
GLenum type) GLenum type)
...@@ -439,7 +472,7 @@ CompressedTexImageFormat GetCompressedTexImageFormat(const FunctionsGL *function ...@@ -439,7 +472,7 @@ CompressedTexImageFormat GetCompressedTexImageFormat(const FunctionsGL *function
GLenum internalFormat) GLenum internalFormat)
{ {
CompressedTexImageFormat result; CompressedTexImageFormat result;
result.internalFormat = internalFormat; result.internalFormat = GetNativeCompressedFormat(functions, workarounds, internalFormat);
return result; return result;
} }
...@@ -448,7 +481,7 @@ CompressedTexSubImageFormat GetCompressedSubTexImageFormat(const FunctionsGL *fu ...@@ -448,7 +481,7 @@ CompressedTexSubImageFormat GetCompressedSubTexImageFormat(const FunctionsGL *fu
GLenum format) GLenum format)
{ {
CompressedTexSubImageFormat result; CompressedTexSubImageFormat result;
result.format = format; result.format = GetNativeCompressedFormat(functions, workarounds, format);
return result; return result;
} }
......
src/libANGLE/validationES2.cpp
...@@ -165,6 +165,13 @@ bool ValidateES2TexImageParameters(Context *context, GLenum target, GLint level, ...@@ -165,6 +165,13 @@ bool ValidateES2TexImageParameters(Context *context, GLenum target, GLint level,
return false; return false;
} }
break; break;
case GL_ETC1_RGB8_OES:
if (!context->getExtensions().compressedETC1RGB8Texture)
{
context->recordError(Error(GL_INVALID_ENUM));
return false;
}
break;
default: default:
context->recordError(Error(GL_INVALID_ENUM)); context->recordError(Error(GL_INVALID_ENUM));
return false; return false;
...@@ -350,6 +357,18 @@ bool ValidateES2TexImageParameters(Context *context, GLenum target, GLint level, ...@@ -350,6 +357,18 @@ bool ValidateES2TexImageParameters(Context *context, GLenum target, GLint level,
return false; return false;
} }
break; break;
case GL_ETC1_RGB8_OES:
if (context->getExtensions().compressedETC1RGB8Texture)
{
context->recordError(Error(GL_INVALID_OPERATION));
return false;
}
else
{
context->recordError(Error(GL_INVALID_ENUM));
return false;
}
break;
case GL_DEPTH_COMPONENT: case GL_DEPTH_COMPONENT:
case GL_DEPTH_STENCIL_OES: case GL_DEPTH_STENCIL_OES:
if (!context->getExtensions().depthTextures) if (!context->getExtensions().depthTextures)
...@@ -502,6 +521,7 @@ bool ValidateES2CopyTexImageParameters(Context* context, GLenum target, GLint le ...@@ -502,6 +521,7 @@ bool ValidateES2CopyTexImageParameters(Context* context, GLenum target, GLint le
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
case GL_ETC1_RGB8_OES:
context->recordError(Error(GL_INVALID_OPERATION)); context->recordError(Error(GL_INVALID_OPERATION));
return false; return false;
case GL_DEPTH_COMPONENT: case GL_DEPTH_COMPONENT:
...@@ -642,6 +662,18 @@ bool ValidateES2CopyTexImageParameters(Context* context, GLenum target, GLint le ...@@ -642,6 +662,18 @@ bool ValidateES2CopyTexImageParameters(Context* context, GLenum target, GLint le
return false; return false;
} }
break; break;
case GL_ETC1_RGB8_OES:
if (context->getExtensions().compressedETC1RGB8Texture)
{
context->recordError(Error(GL_INVALID_OPERATION));
return false;
}
else
{
context->recordError(Error(GL_INVALID_ENUM));
return false;
}
break;
case GL_DEPTH_COMPONENT: case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT16: case GL_DEPTH_COMPONENT16:
case GL_DEPTH_COMPONENT32_OES: case GL_DEPTH_COMPONENT32_OES:
...@@ -759,6 +791,13 @@ bool ValidateES2TexStorageParameters(Context *context, GLenum target, GLsizei le ...@@ -759,6 +791,13 @@ bool ValidateES2TexStorageParameters(Context *context, GLenum target, GLsizei le
return false; return false;
} }
break; break;
case GL_ETC1_RGB8_OES:
if (context->getExtensions().compressedETC1RGB8Texture)
{
context->recordError(Error(GL_INVALID_ENUM));
return false;
}
break;
case GL_RGBA32F_EXT: case GL_RGBA32F_EXT:
case GL_RGB32F_EXT: case GL_RGB32F_EXT:
case GL_ALPHA32F_EXT: case GL_ALPHA32F_EXT:
......
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