Remove texel buffer support.

Change-Id: Ia6f21afe714208979a5bc384e436b28ea2b9a297
Reviewed-on: https://skia-review.googlesource.com/141051
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 0 insertions, 50 deletions

diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index f120b6d09d..8525a7b2b5 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -786,31 +786,6 @@ void GrGLCaps::initGLSL(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli
     }
 
     if (kGL_GrGLStandard == standard) {
-        shaderCaps->fTexelFetchSupport = ctxInfo.glslGeneration() >= k130_GrGLSLGeneration;
-    } else {
-        shaderCaps->fTexelFetchSupport =
-            ctxInfo.glslGeneration() >= k330_GrGLSLGeneration; // We use this value for GLSL ES 3.0.
-    }
-
-    if (shaderCaps->fTexelFetchSupport) {
-        if (kGL_GrGLStandard == standard) {
-            shaderCaps->fTexelBufferSupport = ctxInfo.version() >= GR_GL_VER(3, 1) &&
-                                            ctxInfo.glslGeneration() >= k330_GrGLSLGeneration;
-        } else {
-            if (ctxInfo.version() >= GR_GL_VER(3, 2) &&
-                ctxInfo.glslGeneration() >= k320es_GrGLSLGeneration) {
-                shaderCaps->fTexelBufferSupport = true;
-            } else if (ctxInfo.hasExtension("GL_OES_texture_buffer")) {
-                shaderCaps->fTexelBufferSupport = true;
-                shaderCaps->fTexelBufferExtensionString = "GL_OES_texture_buffer";
-            } else if (ctxInfo.hasExtension("GL_EXT_texture_buffer")) {
-                shaderCaps->fTexelBufferSupport = true;
-                shaderCaps->fTexelBufferExtensionString = "GL_EXT_texture_buffer";
-            }
-        }
-    }
-
-    if (kGL_GrGLStandard == standard) {
         shaderCaps->fVertexIDSupport = true;
     } else {
         // Desktop GLSL 3.30 == ES GLSL 3.00.
@@ -1396,8 +1371,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
                               ctxInfo.hasExtension("GL_EXT_texture_storage");
     }
 
-    bool texelBufferSupport = this->shaderCaps()->texelBufferSupport();
-
     bool textureRedSupport = false;
 
     if (!disableTextureRedForMesa) {
@@ -1436,9 +1409,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
     if (texStorageSupported) {
         fConfigTable[kRGBA_8888_GrPixelConfig].fFlags |= ConfigInfo::kCanUseTexStorage_Flag;
     }
-    if (texelBufferSupport) {
-        fConfigTable[kRGBA_8888_GrPixelConfig].fFlags |= ConfigInfo::kCanUseWithTexelBuffer_Flag;
-    }
     fConfigTable[kRGBA_8888_GrPixelConfig].fSwizzle = GrSwizzle::RGBA();
 
     fConfigTable[kRGB_888_GrPixelConfig].fFormats.fBaseInternalFormat = GR_GL_RGB;
@@ -1678,9 +1648,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
     if (texStorageSupported) {
         fConfigTable[kRGBA_1010102_GrPixelConfig].fFlags |= ConfigInfo::kCanUseTexStorage_Flag;
     }
-    if (texelBufferSupport) {
-        fConfigTable[kRGBA_1010102_GrPixelConfig].fFlags |= ConfigInfo::kCanUseWithTexelBuffer_Flag;
-    }
     fConfigTable[kRGBA_1010102_GrPixelConfig].fSwizzle = GrSwizzle::RGBA();
 
     bool alpha8IsValidForGL = kGL_GrGLStandard == standard &&
@@ -1718,10 +1685,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
 
     if (textureRedSupport) {
         redInfo.fFlags |= ConfigInfo::kTextureable_Flag | allRenderFlags;
-        if (texelBufferSupport) {
-            redInfo.fFlags |= ConfigInfo::kCanUseWithTexelBuffer_Flag;
-        }
-
         fConfigTable[kAlpha_8_GrPixelConfig] = redInfo;
     } else {
         redInfo.fFlags = 0;
@@ -1768,9 +1731,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
     }
 
     if (textureRedSupport) {
-        if (texelBufferSupport) {
-            grayRedInfo.fFlags |= ConfigInfo::kCanUseWithTexelBuffer_Flag;
-        }
         fConfigTable[kGray_8_GrPixelConfig] = grayRedInfo;
     } else {
         grayRedInfo.fFlags = 0;
@@ -1830,9 +1790,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
         if (texStorageSupported) {
             fConfigTable[fpconfig].fFlags |= ConfigInfo::kCanUseTexStorage_Flag;
         }
-        if (texelBufferSupport) {
-            fConfigTable[fpconfig].fFlags |= ConfigInfo::kCanUseWithTexelBuffer_Flag;
-        }
         fConfigTable[fpconfig].fSwizzle = GrSwizzle::RGBA();
     }
 
@@ -1860,10 +1817,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
         if (texStorageSupported && !isCommandBufferES2) {
             redHalf.fFlags |= ConfigInfo::kCanUseTexStorage_Flag;
         }
-
-        if (texelBufferSupport) {
-            redHalf.fFlags |= ConfigInfo::kCanUseWithTexelBuffer_Flag;
-        }
     }
     fConfigTable[kAlpha_half_GrPixelConfig] = redHalf;
 
@@ -1888,9 +1841,6 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions,
     if (texStorageSupported) {
         fConfigTable[kRGBA_half_GrPixelConfig].fFlags |= ConfigInfo::kCanUseTexStorage_Flag;
     }
-    if (texelBufferSupport) {
-        fConfigTable[kRGBA_half_GrPixelConfig].fFlags |= ConfigInfo::kCanUseWithTexelBuffer_Flag;
-    }
     fConfigTable[kRGBA_half_GrPixelConfig].fSwizzle = GrSwizzle::RGBA();
 
     // Bulk populate the texture internal/external formats here and then deal with exceptions below.