Rename GrTextureAccess to GrProcessor::TextureSampler.

Renames vars and methods that used the work "access" to refer to this type.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4931

Change-Id: Ibcf488fbd445c5119fc13d190544cd98981bdbee
Reviewed-on: https://skia-review.googlesource.com/4931
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrProcessor.cpp b/src/gpu/GrProcessor.cpp
index 7d7ce9b..f2b4998 100644
--- a/src/gpu/GrProcessor.cpp
+++ b/src/gpu/GrProcessor.cpp
@@ -10,6 +10,8 @@
 #include "GrGeometryProcessor.h"
 #include "GrInvariantOutput.h"
 #include "GrMemoryPool.h"
+#include "GrTextureParams.h"
+#include "GrTexturePriv.h"
 #include "GrXferProcessor.h"
 #include "SkSpinlock.h"
 
@@ -113,8 +115,8 @@
 
 GrProcessor::~GrProcessor() {}
 
-void GrProcessor::addTextureAccess(const GrTextureAccess* access) {
-    fTextureAccesses.push_back(access);
+void GrProcessor::addTextureSampler(const TextureSampler* access) {
+    fTextureSamplers.push_back(access);
     this->addGpuResource(access->getProgramTexture());
 }
 
@@ -132,11 +134,12 @@
 }
 
 bool GrProcessor::hasSameSamplers(const GrProcessor& that) const {
-    if (this->numTextures() != that.numTextures() || this->numBuffers() != that.numBuffers()) {
+    if (this->numTextureSamplers() != that.numTextureSamplers() ||
+        this->numBuffers() != that.numBuffers()) {
         return false;
     }
-    for (int i = 0; i < this->numTextures(); ++i) {
-        if (this->textureAccess(i) != that.textureAccess(i)) {
+    for (int i = 0; i < this->numTextureSamplers(); ++i) {
+        if (this->textureSampler(i) != that.textureSampler(i)) {
             return false;
         }
     }
@@ -150,6 +153,42 @@
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
+GrProcessor::TextureSampler::TextureSampler() {}
+
+GrProcessor::TextureSampler::TextureSampler(GrTexture* texture, const GrTextureParams& params) {
+    this->reset(texture, params);
+}
+
+GrProcessor::TextureSampler::TextureSampler(GrTexture* texture,
+                                            GrTextureParams::FilterMode filterMode,
+                                            SkShader::TileMode tileXAndY,
+                                            GrShaderFlags visibility) {
+    this->reset(texture, filterMode, tileXAndY, visibility);
+}
+
+void GrProcessor::TextureSampler::reset(GrTexture* texture,
+                                        const GrTextureParams& params,
+                                        GrShaderFlags visibility) {
+    SkASSERT(texture);
+    fTexture.set(SkRef(texture), kRead_GrIOType);
+    fParams = params;
+    fParams.setFilterMode(SkTMin(params.filterMode(), texture->texturePriv().highestFilterMode()));
+    fVisibility = visibility;
+}
+
+void GrProcessor::TextureSampler::reset(GrTexture* texture,
+                                        GrTextureParams::FilterMode filterMode,
+                                        SkShader::TileMode tileXAndY,
+                                        GrShaderFlags visibility) {
+    SkASSERT(texture);
+    fTexture.set(SkRef(texture), kRead_GrIOType);
+    filterMode = SkTMin(filterMode, texture->texturePriv().highestFilterMode());
+    fParams.reset(tileXAndY, filterMode);
+    fVisibility = visibility;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
 // Initial static variable from GrXPFactory
 int32_t GrXPFactory::gCurrXPFClassID =
         GrXPFactory::kIllegalXPFClassID;