Beginning of support for texture rectangles.

src/gpu/gl/GrGLCaps.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLCaps.h"
 
@@ skipping 24 matching lines @@
     fImagingSupport = false;
     fVertexArrayObjectSupport = false;
     fDirectStateAccessSupport = false;
     fDebugSupport = false;
     fES2CompatibilitySupport = false;
     fMultisampleDisableSupport = false;
     fUseNonVBOVertexAndIndexDynamicData = false;
     fIsCoreProfile = false;
     fBindFragDataLocationSupport = false;
     fExternalTextureSupport = false;
+    fRectangleTextureSupport = false;
     fTextureSwizzleSupport = false;
     fSRGBWriteControl = false;
     fRGBA8888PixelsOpsAreSlow = false;
     fPartialFBOReadIsSlow = false;
 
     fShaderCaps.reset(new GrGLSLCaps(contextOptions));
 
     this->init(contextOptions, ctxInfo, glInterface);
 }
 
@@ skipping 157 matching lines @@
     if (ctxInfo.hasExtension("GL_OES_EGL_image_external")) {
         if (ctxInfo.glslGeneration() == k110_GrGLSLGeneration) {
             fExternalTextureSupport = true;
         } else if (ctxInfo.hasExtension("GL_OES_EGL_image_external_essl3") ||
                    ctxInfo.hasExtension("OES_EGL_image_external_essl3")) {
             // At least one driver has been found that has this extension without the "GL_" prefix.
             fExternalTextureSupport = true;
         }
     }
 
+    if ((kGL_GrGLStandard == standard && version >= GR_GL_VER(3, 2)) ||
+        ctxInfo.hasExtension("GL_ARB_texture_rectangle")) {
+        fRectangleTextureSupport = true;
+    }
+
     if (kGL_GrGLStandard == standard) {
         if (version >= GR_GL_VER(3,3) || ctxInfo.hasExtension("GL_ARB_texture_swizzle")) {
             fTextureSwizzleSupport = true;
         }
     } else {
         if (version >= GR_GL_VER(3,0)) {
             fTextureSwizzleSupport = true;
         }
     }
 
@@ skipping 661 matching lines @@
     r.appendf("Direct state access support: %s\n", (fDirectStateAccessSupport ? "YES": "NO"));
     r.appendf("Debug support: %s\n", (fDebugSupport ? "YES": "NO"));
     r.appendf("Multisample disable support: %s\n", (fMultisampleDisableSupport ? "YES" : "NO"));
     r.appendf("Use non-VBO for dynamic data: %s\n",
              (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO"));
     r.appendf("SRGB write contol: %s\n", (fSRGBWriteControl ? "YES" : "NO"));
     r.appendf("RGBA 8888 pixel ops are slow: %s\n", (fRGBA8888PixelsOpsAreSlow ? "YES" : "NO"));
     r.appendf("Partial FBO read is slow: %s\n", (fPartialFBOReadIsSlow ? "YES" : "NO"));
     r.appendf("Bind uniform location support: %s\n", (fBindUniformLocationSupport ? "YES" : "NO"));
     r.appendf("External texture support: %s\n", (fExternalTextureSupport ? "YES" : "NO"));
+    r.appendf("Rectangle texture support: %s\n", (fRectangleTextureSupport? "YES" : "NO"));
     r.appendf("Texture swizzle support: %s\n", (fTextureSwizzleSupport ? "YES" : "NO"));
 
     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_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,
@@ skipping 685 matching lines @@
         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) {}