re-re-land of skslc now uses standard Skia caps

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4732

Change-Id: I144110bf66f67a28da7ad333173db43bddf9e8d0
Reviewed-on: https://skia-review.googlesource.com/4732
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

3 files changed, 6 insertions, 77 deletions

diff --git a/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp b/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
index 8a5b700a90..1e42259128 100644
--- a/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
@@ -21,79 +21,6 @@ static const bool c_PrintShaders{false};
 
 static void print_shader_source(const char** strings, int* lengths, int count);
 
-SkSL::GLCaps GrGLSkSLCapsForContext(const GrGLContext& context) {
-    GrGLStandard standard = context.standard();
-    const GrGLCaps* caps = context.caps();
-    const GrGLSLCaps* glslCaps = caps->glslCaps();
-    SkSL::GLCaps result;
-    switch (standard) {
-        case kGL_GrGLStandard:
-            result.fStandard = SkSL::GLCaps::kGL_Standard;
-            break;
-        case kGLES_GrGLStandard:
-            result.fStandard = SkSL::GLCaps::kGLES_Standard;
-            break;
-        default:
-            SkASSERT(false);
-            result.fStandard = SkSL::GLCaps::kGL_Standard;
-    }
-
-    switch (glslCaps->generation()) {
-        case k110_GrGLSLGeneration:
-            if (kGLES_GrGLStandard == standard) {
-                // ES2's shader language is based on GLSL 1.20 but is version 1.00 of the ES 
-                // language
-                result.fVersion = 100;
-            } else {
-                SkASSERT(kGL_GrGLStandard == standard);
-                result.fVersion = 110;
-            }
-            break;
-        case k130_GrGLSLGeneration:
-            SkASSERT(kGL_GrGLStandard == standard);
-            result.fVersion = 130;
-            break;
-        case k140_GrGLSLGeneration:
-            SkASSERT(kGL_GrGLStandard == standard);
-            result.fVersion = 140;
-            break;
-        case k150_GrGLSLGeneration:
-            SkASSERT(kGL_GrGLStandard == standard);
-            result.fVersion = 150;
-            break;
-        case k330_GrGLSLGeneration:
-            if (kGLES_GrGLStandard == standard) {
-                result.fVersion = 300;
-            } else {
-                SkASSERT(kGL_GrGLStandard == standard);
-                result.fVersion = 330;
-            }
-            break;
-        case k400_GrGLSLGeneration:
-            SkASSERT(kGL_GrGLStandard == standard);
-            result.fVersion = 400;
-            break;
-        case k310es_GrGLSLGeneration:
-            SkASSERT(kGLES_GrGLStandard == standard);
-            result.fVersion = 310;
-            break;
-        case k320es_GrGLSLGeneration:
-            SkASSERT(kGLES_GrGLStandard == standard);
-            result.fVersion = 320;
-            break;
-    }
-    result.fIsCoreProfile = caps->isCoreProfile();
-    result.fUsesPrecisionModifiers = glslCaps->usesPrecisionModifiers();
-    result.fMustDeclareFragmentShaderOutput = glslCaps->mustDeclareFragmentShaderOutput();
-    result.fShaderDerivativeSupport = glslCaps->shaderDerivativeSupport();
-    if (result.fShaderDerivativeSupport && glslCaps->shaderDerivativeExtensionString()) {
-        result.fShaderDerivativeExtensionString = glslCaps->shaderDerivativeExtensionString();
-    }
-    result.fCanUseMinAndAbsTogether = glslCaps->canUseMinAndAbsTogether();
-    result.fMustForceNegatedAtanParamToFloat = glslCaps->mustForceNegatedAtanParamToFloat();
-    return result;
-}
-
 static void dump_string(std::string s) {
     // on Android, SkDebugf only displays the first 1K characters of output, which results in
     // incomplete shader source code. Print each line individually to avoid this problem.
@@ -137,13 +64,12 @@ GrGLuint GrGLCompileAndAttachShader(const GrGLContext& glCtx,
 
     std::string glsl;
     SkSL::Compiler& compiler = *glCtx.compiler();
-    SkSL::GLCaps caps = GrGLSkSLCapsForContext(glCtx);
     SkASSERT(type == GR_GL_VERTEX_SHADER || type == GR_GL_FRAGMENT_SHADER);
     SkDEBUGCODE(bool result = )compiler.toGLSL(type == GR_GL_VERTEX_SHADER 
                                                                     ? SkSL::Program::kVertex_Kind
                                                                     : SkSL::Program::kFragment_Kind,
                                                std::string(sksl.c_str()),
-                                               caps,
+                                               *glCtx.caps()->glslCaps(),
                                                &glsl);
 #ifdef SK_DEBUG
     if (!result) {
diff --git a/src/gpu/gl/builders/GrGLShaderStringBuilder.h b/src/gpu/gl/builders/GrGLShaderStringBuilder.h
index 4365751c3a..71fce6a95a 100644
--- a/src/gpu/gl/builders/GrGLShaderStringBuilder.h
+++ b/src/gpu/gl/builders/GrGLShaderStringBuilder.h
@@ -14,8 +14,6 @@
 #include "SkSLGLSLCodeGenerator.h"
 #include "SkTypes.h"
 
-SkSL::GLCaps GrGLSkSLCapsForContext(const GrGLContext& context);
-
 GrGLuint GrGLCompileAndAttachShader(const GrGLContext& glCtx,
                                     GrGLuint programId,
                                     GrGLenum type,
diff --git a/src/gpu/glsl/GrGLSLCaps.h b/src/gpu/glsl/GrGLSLCaps.h
index ac409a36ba..1a89d1690b 100644
--- a/src/gpu/glsl/GrGLSLCaps.h
+++ b/src/gpu/glsl/GrGLSLCaps.h
@@ -13,6 +13,10 @@
 #include "GrGLSL.h"
 #include "GrSwizzle.h"
 
+namespace SkSL {
+    class GLSLCapsFactory;
+}
+
 class GrGLSLCaps : public GrShaderCaps {
 public:
 
@@ -231,6 +235,7 @@ private:
 
     friend class GrGLCaps;  // For initialization.
     friend class GrVkCaps;
+    friend class SkSL::GLSLCapsFactory;
 
     typedef GrShaderCaps INHERITED;
 };