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Unified Diff: src/gpu/gl/GrGLCaps.cpp

Issue 1576023002: Make readback of alpha channel work for RGBA. (Closed) Base URL: https://skia.googlesource.com/skia.git@swiz
Patch Set: more Created 4 years, 11 months ago
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Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 99ed042139da4524cf1b43775835d21e84cf733f..265b3812ba01171bef730ee70e69898ec676f249 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -630,14 +630,18 @@ bool GrGLCaps::readPixelsSupported(const GrGLInterface* intf,
GrPixelConfig currFBOConfig) const {
SkASSERT(this->isConfigRenderable(currFBOConfig, false));
+ GrGLenum readFormat;
+ GrGLenum readType;
+ if (!this->getReadPixelsFormat(currFBOConfig, readConfig, &readFormat, &readType)) {
+ return false;
+ }
+
if (kGL_GrGLStandard == intf->fStandard) {
// All of our renderable configs can be converted to each other by glReadPixels in OpenGL.
return true;
}
- // See Section 16.1.2 in the ES 3.2 specification.
- GrGLenum readFormat = fConfigTable[readConfig].fFormats.fExternalFormat;
- GrGLenum readType = fConfigTable[readConfig].fFormats.fExternalType;
+ // See Section 16.1.2 in the ES 3.2 specification.
if (kNormalizedFixedPoint_FormatType == fConfigTable[currFBOConfig].fFormatType) {
if (GR_GL_RGBA == readFormat && GR_GL_UNSIGNED_BYTE == readType) {
@@ -886,15 +890,17 @@ SkString GrGLCaps::dump() const {
r.append("Configs\n-------\n");
for (int i = 0; i < kGrPixelConfigCnt; ++i) {
r.appendf(" cfg: %d flags: 0x%04x, b_internal: 0x%08x s_internal: 0x%08x, e_format: "
- "0x%08x, e_type: 0x%08x, i_for_teximage: 0x%08x, e_for_teximage: 0x%08x\n",
+ "0x%08x, e_format_teximage: 0x%08x, e_type: 0x%08x, i_for_teximage: 0x%08x, "
+ "i_for_renderbuffer: 0x%08x\n",
i,
fConfigTable[i].fFlags,
fConfigTable[i].fFormats.fBaseInternalFormat,
fConfigTable[i].fFormats.fSizedInternalFormat,
- fConfigTable[i].fFormats.fExternalFormat,
+ fConfigTable[i].fFormats.fExternalFormat[kOther_ExternalFormatUsage],
+ fConfigTable[i].fFormats.fExternalFormat[kTexImage_ExternalFormatUsage],
fConfigTable[i].fFormats.fExternalType,
fConfigTable[i].fFormats.fInternalFormatTexImage,
- fConfigTable[i].fFormats.fExternalFormatForTexImage);
+ fConfigTable[i].fFormats.fInternalFormatRenderbuffer);
}
return r;
@@ -988,6 +994,77 @@ bool GrGLCaps::bgraIsInternalFormat() const {
return fConfigTable[kBGRA_8888_GrPixelConfig].fFormats.fBaseInternalFormat == GR_GL_BGRA;
}
+bool GrGLCaps::getTexImageFormats(GrPixelConfig surfaceConfig, GrPixelConfig externalConfig,
+ GrGLenum* internalFormat, GrGLenum* externalFormat,
+ GrGLenum* externalType) const {
+ if (!this->getExternalFormat(surfaceConfig, externalConfig, kTexImage_ExternalFormatUsage,
+ externalFormat, externalType)) {
+ return false;
+ }
+ *internalFormat = fConfigTable[surfaceConfig].fFormats.fInternalFormatTexImage;
+ return true;
+}
+
+bool GrGLCaps::getCompressedTexImageFormats(GrPixelConfig surfaceConfig,
+ GrGLenum* internalFormat) const {
+ if (!GrPixelConfigIsCompressed(surfaceConfig)) {
+ return false;
+ }
+ *internalFormat = fConfigTable[surfaceConfig].fFormats.fInternalFormatTexImage;
+ return true;
+}
+
+bool GrGLCaps::getReadPixelsFormat(GrPixelConfig surfaceConfig, GrPixelConfig externalConfig,
+ GrGLenum* externalFormat, GrGLenum* externalType) const {
+ if (!this->getExternalFormat(surfaceConfig, externalConfig, kOther_ExternalFormatUsage,
+ externalFormat, externalType)) {
+ return false;
+ }
+ return true;
+}
+
+bool GrGLCaps::getRenderbufferFormat(GrPixelConfig config, GrGLenum* internalFormat) const {
+ if (!GrPixelConfigIsCompressed(config)) {
+ return false;
+ }
+ *internalFormat = fConfigTable[config].fFormats.fInternalFormatRenderbuffer;
+ return true;
+}
+
+bool GrGLCaps::getExternalFormat(GrPixelConfig surfaceConfig, GrPixelConfig memoryConfig,
+ ExternalFormatUsage usage, GrGLenum* externalFormat,
+ GrGLenum* externalType) const {
+ SkASSERT(externalFormat && externalType);
+ if (GrPixelConfigIsCompressed(memoryConfig) || GrPixelConfigIsCompressed(memoryConfig)) {
+ return false;
+ }
+
+ bool surfaceIsAlphaOnly = GrPixelConfigIsAlphaOnly(surfaceConfig);
+ bool memoryIsAlphaOnly = GrPixelConfigIsAlphaOnly(memoryConfig);
+
+ // We don't currently support moving RGBA data into and out of ALPHA surfaces. It could be
+ // made to work in many cases using glPixelStore and what not but is not needed currently.
+ if (surfaceIsAlphaOnly && !memoryIsAlphaOnly) {
+ return false;
+ }
+
+ *externalFormat = fConfigTable[memoryConfig].fFormats.fExternalFormat[usage];
+ *externalType = fConfigTable[memoryConfig].fFormats.fExternalType;
+
+ // When GL_RED is supported as a texture format, our alpha-only textures are stored using
+ // GL_RED and we swizzle in order to map all components to 'r'. However, in this case the
+ // surface is not alpha-only and we want alpha to really mean the alpha component of the
+ // texture, not the red component.
+ if (memoryIsAlphaOnly && !surfaceIsAlphaOnly) {
+ if (fTextureRedSupport) {
+ SkASSERT(GR_GL_RED == *externalFormat);
+ *externalFormat = GR_GL_ALPHA;
+ }
+ }
+
+ return true;
+}
+
void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli,
GrGLSLCaps* glslCaps) {
/*
@@ -1069,14 +1146,15 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
fConfigTable[kUnknown_GrPixelConfig].fFormats.fBaseInternalFormat = 0;
fConfigTable[kUnknown_GrPixelConfig].fFormats.fSizedInternalFormat = 0;
- fConfigTable[kUnknown_GrPixelConfig].fFormats.fExternalFormat = 0;
+ fConfigTable[kUnknown_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] = 0;
fConfigTable[kUnknown_GrPixelConfig].fFormats.fExternalType = 0;
fConfigTable[kUnknown_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
fConfigTable[kUnknown_GrPixelConfig].fSwizzle = GrSwizzle::RGBA();
fConfigTable[kRGBA_8888_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_RGBA;
fConfigTable[kRGBA_8888_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_RGBA8;
- fConfigTable[kRGBA_8888_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RGBA;
+ fConfigTable[kRGBA_8888_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_RGBA;
fConfigTable[kRGBA_8888_GrPixelConfig].fFormats.fExternalType = GR_GL_UNSIGNED_BYTE;
fConfigTable[kRGBA_8888_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
fConfigTable[kRGBA_8888_GrPixelConfig].fFlags = ConfigInfo::kTextureable_Flag;
@@ -1091,7 +1169,8 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
}
fConfigTable[kRGBA_8888_GrPixelConfig].fSwizzle = GrSwizzle::RGBA();
- fConfigTable[kBGRA_8888_GrPixelConfig].fFormats.fExternalFormat= GR_GL_BGRA;
+ fConfigTable[kBGRA_8888_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_BGRA;
fConfigTable[kBGRA_8888_GrPixelConfig].fFormats.fExternalType = GR_GL_UNSIGNED_BYTE;
fConfigTable[kBGRA_8888_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
if (kGL_GrGLStandard == standard) {
@@ -1152,7 +1231,8 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
fConfigTable[kSRGBA_8888_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_SRGB8_ALPHA8;
// GL does not do srgb<->rgb conversions when transferring between cpu and gpu. Thus, the
// external format is GL_RGBA. See below for note about ES2.0 and glTex[Sub]Image.
- fConfigTable[kSRGBA_8888_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RGBA;
+ fConfigTable[kSRGBA_8888_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_RGBA;
fConfigTable[kSRGBA_8888_GrPixelConfig].fFormats.fExternalType = GR_GL_UNSIGNED_BYTE;
fConfigTable[kSRGBA_8888_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
if (srgbSupport) {
@@ -1167,7 +1247,8 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
} else {
fConfigTable[kRGB_565_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_RGB5;
}
- fConfigTable[kRGB_565_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RGB;
+ fConfigTable[kRGB_565_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_RGB;
fConfigTable[kRGB_565_GrPixelConfig].fFormats.fExternalType = GR_GL_UNSIGNED_SHORT_5_6_5;
fConfigTable[kRGB_565_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
fConfigTable[kRGB_565_GrPixelConfig].fFlags = ConfigInfo::kTextureable_Flag;
@@ -1182,7 +1263,8 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
fConfigTable[kRGBA_4444_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_RGBA;
fConfigTable[kRGBA_4444_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_RGBA4;
- fConfigTable[kRGBA_4444_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RGBA;
+ fConfigTable[kRGBA_4444_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_RGBA;
fConfigTable[kRGBA_4444_GrPixelConfig].fFormats.fExternalType = GR_GL_UNSIGNED_SHORT_4_4_4_4;
fConfigTable[kRGBA_4444_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
fConfigTable[kRGBA_4444_GrPixelConfig].fFlags = ConfigInfo::kTextureable_Flag;
@@ -1198,12 +1280,14 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
if (this->textureRedSupport()) {
fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_RED;
fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_R8;
- fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RED;
+ fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_RED;
fConfigTable[kAlpha_8_GrPixelConfig].fSwizzle = GrSwizzle::RRRR();
} else {
fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_ALPHA;
fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_ALPHA8;
- fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fExternalFormat = GR_GL_ALPHA;
+ fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_ALPHA;
fConfigTable[kAlpha_8_GrPixelConfig].fSwizzle = GrSwizzle::AAAA();
}
fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fExternalType = GR_GL_UNSIGNED_BYTE;
@@ -1248,7 +1332,8 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
fConfigTable[kRGBA_float_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_RGBA;
fConfigTable[kRGBA_float_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_RGBA32F;
- fConfigTable[kRGBA_float_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RGBA;
+ fConfigTable[kRGBA_float_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_RGBA;
fConfigTable[kRGBA_float_GrPixelConfig].fFormats.fExternalType = GR_GL_FLOAT;
fConfigTable[kRGBA_float_GrPixelConfig].fFormatType = kFloat_FormatType;
if (hasFPTextures) {
@@ -1265,12 +1350,14 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
if (this->textureRedSupport()) {
fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_RED;
fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_R16F;
- fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RED;
+ fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage]
+ = GR_GL_RED;
fConfigTable[kAlpha_half_GrPixelConfig].fSwizzle = GrSwizzle::RRRR();
} else {
fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_ALPHA;
fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_ALPHA16F;
- fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fExternalFormat = GR_GL_ALPHA;
+ fConfigTable[kAlpha_half_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage]
+ = GR_GL_ALPHA;
fConfigTable[kAlpha_half_GrPixelConfig].fSwizzle = GrSwizzle::AAAA();
}
if (kGL_GrGLStandard == ctxInfo.standard() || ctxInfo.version() >= GR_GL_VER(3, 0)) {
@@ -1292,7 +1379,8 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
fConfigTable[kRGBA_half_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_RGBA;
fConfigTable[kRGBA_half_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_RGBA16F;
- fConfigTable[kRGBA_half_GrPixelConfig].fFormats.fExternalFormat = GR_GL_RGBA;
+ fConfigTable[kRGBA_half_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ GR_GL_RGBA;
if (kGL_GrGLStandard == ctxInfo.standard() || ctxInfo.version() >= GR_GL_VER(3, 0)) {
fConfigTable[kRGBA_half_GrPixelConfig].fFormats.fExternalType = GR_GL_HALF_FLOAT;
} else {
@@ -1322,7 +1410,7 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
fConfigTable[kIndex_8_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_PALETTE8_RGBA8;
fConfigTable[kIndex_8_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_PALETTE8_RGBA8;
- fConfigTable[kIndex_8_GrPixelConfig].fFormats.fExternalFormat = 0;
+ fConfigTable[kIndex_8_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] = 0;
fConfigTable[kIndex_8_GrPixelConfig].fFormats.fExternalType = 0;
fConfigTable[kIndex_8_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
// Disable this for now, while we investigate https://bug.skia.org/4333
@@ -1367,14 +1455,14 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
GR_GL_COMPRESSED_3DC_X;
}
- fConfigTable[kLATC_GrPixelConfig].fFormats.fExternalFormat = 0;
+ fConfigTable[kLATC_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] = 0;
fConfigTable[kLATC_GrPixelConfig].fFormats.fExternalType = 0;
fConfigTable[kLATC_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
fConfigTable[kLATC_GrPixelConfig].fSwizzle = GrSwizzle::RRRR();
fConfigTable[kETC1_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_COMPRESSED_ETC1_RGB8;
fConfigTable[kETC1_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_COMPRESSED_ETC1_RGB8;
- fConfigTable[kETC1_GrPixelConfig].fFormats.fExternalFormat = 0;
+ fConfigTable[kETC1_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] = 0;
fConfigTable[kETC1_GrPixelConfig].fFormats.fExternalType = 0;
fConfigTable[kETC1_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
if (kGL_GrGLStandard == standard) {
@@ -1394,7 +1482,7 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
fConfigTable[kR11_EAC_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_COMPRESSED_R11_EAC;
fConfigTable[kR11_EAC_GrPixelConfig].fFormats.fSizedInternalFormat = GR_GL_COMPRESSED_R11_EAC;
- fConfigTable[kR11_EAC_GrPixelConfig].fFormats.fExternalFormat = 0;
+ fConfigTable[kR11_EAC_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] = 0;
fConfigTable[kR11_EAC_GrPixelConfig].fFormats.fExternalType = 0;
fConfigTable[kR11_EAC_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
// Check for R11_EAC. We don't support R11_EAC on desktop, as most cards default to
@@ -1408,7 +1496,8 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
GR_GL_COMPRESSED_RGBA_ASTC_12x12;
fConfigTable[kASTC_12x12_GrPixelConfig].fFormats.fSizedInternalFormat =
GR_GL_COMPRESSED_RGBA_ASTC_12x12;
- fConfigTable[kASTC_12x12_GrPixelConfig].fFormats.fExternalFormat = 0;
+ fConfigTable[kASTC_12x12_GrPixelConfig].fFormats.fExternalFormat[kOther_ExternalFormatUsage] =
+ 0;
fConfigTable[kASTC_12x12_GrPixelConfig].fFormats.fExternalType = 0;
fConfigTable[kASTC_12x12_GrPixelConfig].fFormatType = kNormalizedFixedPoint_FormatType;
if (ctxInfo.hasExtension("GL_KHR_texture_compression_astc_hdr") ||
@@ -1421,13 +1510,21 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
// Bulk populate the texture internal/external formats here and then deal with exceptions below.
// ES 2.0 requires that the internal/external formats match.
- bool useSizedFormats = (kGL_GrGLStandard == ctxInfo.standard() ||
- ctxInfo.version() >= GR_GL_VER(3,0));
+ bool useSizedTexFormats = (kGL_GrGLStandard == ctxInfo.standard() ||
+ ctxInfo.version() >= GR_GL_VER(3,0));
+ // All ES versions (thus far) require sized internal formats for render buffers.
+ // TODO: Always use sized internal format?
+ bool useSizedRbFormats = kGLES_GrGLStandard == ctxInfo.standard();
+
for (int i = 0; i < kGrPixelConfigCnt; ++i) {
- // Almost always we want to pass fExternalFormat as the <format> param to glTex[Sub]Image.
- fConfigTable[i].fFormats.fExternalFormatForTexImage =
- fConfigTable[i].fFormats.fExternalFormat;
- fConfigTable[i].fFormats.fInternalFormatTexImage = useSizedFormats ?
+ // Almost always we want to pass fExternalFormat[kOther_ExternalFormatUsage] as the <format>
+ // param to glTex[Sub]Image.
+ fConfigTable[i].fFormats.fExternalFormat[kTexImage_ExternalFormatUsage] =
+ fConfigTable[i].fFormats.fExternalFormat[kOther_ExternalFormatUsage];
+ fConfigTable[i].fFormats.fInternalFormatTexImage = useSizedTexFormats ?
+ fConfigTable[i].fFormats.fSizedInternalFormat :
+ fConfigTable[i].fFormats.fBaseInternalFormat;
+ fConfigTable[i].fFormats.fInternalFormatRenderbuffer = useSizedRbFormats ?
fConfigTable[i].fFormats.fSizedInternalFormat :
fConfigTable[i].fFormats.fBaseInternalFormat;
}
@@ -1436,7 +1533,7 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
// Thus, on ES 2.0 we will use GL_SRGB_ALPHA as the <format> param.
// On OpenGL and ES 3.0+ GL_SRGB_ALPHA does not work for the <format> param to glTexImage.
if (ctxInfo.standard() == kGLES_GrGLStandard && ctxInfo.version() == GR_GL_VER(2,0)) {
- fConfigTable[kSRGBA_8888_GrPixelConfig].fFormats.fExternalFormatForTexImage =
+ fConfigTable[kSRGBA_8888_GrPixelConfig].fFormats.fExternalFormat[kTexImage_ExternalFormatUsage] =
GR_GL_SRGB_ALPHA;
}
@@ -1450,7 +1547,7 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
// ES 2.0: the extension makes BGRA an external format but not an internal format.
// ES 3.0: the extension explicitly states GL_BGRA8 is not a valid internal format for
// glTexImage (just for glTexStorage).
- if (useSizedFormats && this->bgraIsInternalFormat()) {
+ if (useSizedTexFormats && this->bgraIsInternalFormat()) {
fConfigTable[kBGRA_8888_GrPixelConfig].fFormats.fInternalFormatTexImage = GR_GL_BGRA;
}
@@ -1462,19 +1559,30 @@ void GrGLCaps::initConfigTable(const GrGLContextInfo& ctxInfo, const GrGLInterfa
}
}
+ if (this->textureRedSupport()) {
+ for (int i = 0; i < kGrPixelConfigCnt; ++i) {
+ GrPixelConfig config = static_cast<GrPixelConfig>(i);
+ if (GrPixelConfigIsAlphaOnly(config) &&
+ fConfigTable[i].fFormats.fBaseInternalFormat == GR_GL_RED) {
+ glslCaps->fConfigOutputSwizzle[i] = GrSwizzle::AAAA();
+ }
+ }
+ }
#ifdef SK_DEBUG
// Make sure we initialized everything.
- ConfigFormats defaultEntry;
+ ConfigInfo defaultEntry;
for (int i = 0; i < kGrPixelConfigCnt; ++i) {
- SkASSERT(defaultEntry.fBaseInternalFormat != fConfigTable[i].fFormats.fBaseInternalFormat);
- SkASSERT(defaultEntry.fSizedInternalFormat !=
+ SkASSERT(defaultEntry.fFormats.fBaseInternalFormat !=
+ fConfigTable[i].fFormats.fBaseInternalFormat);
+ SkASSERT(defaultEntry.fFormats.fSizedInternalFormat !=
fConfigTable[i].fFormats.fSizedInternalFormat);
- SkASSERT(defaultEntry.fExternalFormat != fConfigTable[i].fFormats.fExternalFormat);
- SkASSERT(defaultEntry.fExternalType != fConfigTable[i].fFormats.fExternalType);
+ for (int j = 0; j < kExternalFormatUsageCnt; ++j) {
+ SkASSERT(defaultEntry.fFormats.fExternalFormat[j] !=
+ fConfigTable[i].fFormats.fExternalFormat[j]);
+ }
+ SkASSERT(defaultEntry.fFormats.fExternalType != fConfigTable[i].fFormats.fExternalType);
}
#endif
}
void GrGLCaps::onApplyOptionsOverrides(const GrContextOptions& options) {}
-
-
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