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Unified Diff: cc/output/shader.h

Issue 555133002: [WIP Experiment] Implement mix-blend-mode in GLRenderer using shaders. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix compile issue on mac Created 6 years, 3 months ago
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« cc/output/program_binding.h ('K') | « cc/output/program_binding.h ('k') | cc/output/shader.cc » ('j') | cc/output/shader.cc » ('J')
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Index: cc/output/shader.h
diff --git a/cc/output/shader.h b/cc/output/shader.h
index 3039c80ef2c790f3506babb6b4f714fd8571280b..73e252951710222f25971ad6d158bdd6bab7abfa 100644
--- a/cc/output/shader.h
+++ b/cc/output/shader.h
@@ -9,6 +9,7 @@
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
+#include "third_party/skia/include/core/SkXfermode.h"
namespace gfx {
class Point;
@@ -279,13 +280,32 @@ class VertexShaderVideoTransform {
DISALLOW_COPY_AND_ASSIGN(VertexShaderVideoTransform);
};
-class FragmentTexAlphaBinding {
+class FragmentTexBlendMode {
+ public:
+ int backdrop_location() const { return backdrop_location_; }
+ int backdrop_rect_location() const { return backdrop_rect_location_; }
+
+ protected:
+ FragmentTexBlendMode();
+
+ static std::string SetBlendModeFunctions(SkXfermode::Mode blend_mode,
+ std::string shader_string);
+
+ int backdrop_location_;
+ int backdrop_rect_location_;
+
+ static const char* kUniformBackdropTexture;
+ static const char* kUniformBackdropRect;
+};
+
+class FragmentTexAlphaBinding : public FragmentTexBlendMode {
public:
FragmentTexAlphaBinding();
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
+ int* base_uniform_index,
+ bool needs_backdrop_texture = false);
int alpha_location() const { return alpha_location_; }
int fragment_tex_transform_location() const { return -1; }
int sampler_location() const { return sampler_location_; }
@@ -297,13 +317,14 @@ class FragmentTexAlphaBinding {
DISALLOW_COPY_AND_ASSIGN(FragmentTexAlphaBinding);
};
-class FragmentTexColorMatrixAlphaBinding {
+class FragmentTexColorMatrixAlphaBinding : public FragmentTexBlendMode {
public:
FragmentTexColorMatrixAlphaBinding();
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
+ int* base_uniform_index,
+ bool needs_backdrop_texture);
int alpha_location() const { return alpha_location_; }
int color_matrix_location() const { return color_matrix_location_; }
int color_offset_location() const { return color_offset_location_; }
@@ -381,14 +402,17 @@ class FragmentShaderTexBackgroundPremultiplyAlpha
class FragmentShaderRGBATexAlpha : public FragmentTexAlphaBinding {
public:
std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode blend_mode = SkXfermode::kSrcOver_Mode) const;
};
class FragmentShaderRGBATexColorMatrixAlpha
: public FragmentTexColorMatrixAlphaBinding {
public:
- std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ std::string GetShaderString(TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode mode) const;
};
class FragmentShaderRGBATexOpaque : public FragmentTexOpaqueBinding {
@@ -417,15 +441,17 @@ class FragmentShaderRGBATexSwizzleOpaque : public FragmentTexOpaqueBinding {
TexCoordPrecision precision, SamplerType sampler) const;
};
-class FragmentShaderRGBATexAlphaAA {
+class FragmentShaderRGBATexAlphaAA : public FragmentTexBlendMode {
public:
FragmentShaderRGBATexAlphaAA();
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
- std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ int* base_uniform_index,
+ bool needs_backdrop_texture);
+ std::string GetShaderString(TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode blend_mode) const;
int alpha_location() const { return alpha_location_; }
int sampler_location() const { return sampler_location_; }
@@ -473,15 +499,17 @@ class FragmentShaderRGBATexClampSwizzleAlphaAA
TexCoordPrecision precision, SamplerType sampler) const;
};
-class FragmentShaderRGBATexAlphaMask {
+class FragmentShaderRGBATexAlphaMask : public FragmentTexBlendMode {
public:
FragmentShaderRGBATexAlphaMask();
- std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ std::string GetShaderString(TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode mode) const;
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
+ int* base_uniform_index,
+ bool needs_backdrop_texture);
int alpha_location() const { return alpha_location_; }
int sampler_location() const { return sampler_location_; }
int mask_sampler_location() const { return mask_sampler_location_; }
@@ -502,15 +530,17 @@ class FragmentShaderRGBATexAlphaMask {
DISALLOW_COPY_AND_ASSIGN(FragmentShaderRGBATexAlphaMask);
};
-class FragmentShaderRGBATexAlphaMaskAA {
+class FragmentShaderRGBATexAlphaMaskAA : public FragmentTexBlendMode {
public:
FragmentShaderRGBATexAlphaMaskAA();
- std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ std::string GetShaderString(TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode mode) const;
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
+ int* base_uniform_index,
+ bool needs_backdrop_texture);
int alpha_location() const { return alpha_location_; }
int sampler_location() const { return sampler_location_; }
int mask_sampler_location() const { return mask_sampler_location_; }
@@ -531,15 +561,18 @@ class FragmentShaderRGBATexAlphaMaskAA {
DISALLOW_COPY_AND_ASSIGN(FragmentShaderRGBATexAlphaMaskAA);
};
-class FragmentShaderRGBATexAlphaMaskColorMatrixAA {
+class FragmentShaderRGBATexAlphaMaskColorMatrixAA
+ : public FragmentTexBlendMode {
public:
FragmentShaderRGBATexAlphaMaskColorMatrixAA();
- std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ std::string GetShaderString(TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode mode) const;
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
+ int* base_uniform_index,
+ bool needs_backdrop_texture);
int alpha_location() const { return alpha_location_; }
int sampler_location() const { return sampler_location_; }
int mask_sampler_location() const { return mask_sampler_location_; }
@@ -562,15 +595,17 @@ class FragmentShaderRGBATexAlphaMaskColorMatrixAA {
int color_offset_location_;
};
-class FragmentShaderRGBATexAlphaColorMatrixAA {
+class FragmentShaderRGBATexAlphaColorMatrixAA : public FragmentTexBlendMode {
public:
FragmentShaderRGBATexAlphaColorMatrixAA();
- std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ std::string GetShaderString(TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode mode) const;
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
+ int* base_uniform_index,
+ bool needs_backdrop_texture);
int alpha_location() const { return alpha_location_; }
int sampler_location() const { return sampler_location_; }
int color_matrix_location() const { return color_matrix_location_; }
@@ -583,15 +618,17 @@ class FragmentShaderRGBATexAlphaColorMatrixAA {
int color_offset_location_;
};
-class FragmentShaderRGBATexAlphaMaskColorMatrix {
+class FragmentShaderRGBATexAlphaMaskColorMatrix : public FragmentTexBlendMode {
public:
FragmentShaderRGBATexAlphaMaskColorMatrix();
- std::string GetShaderString(
- TexCoordPrecision precision, SamplerType sampler) const;
+ std::string GetShaderString(TexCoordPrecision precision,
+ SamplerType sampler,
+ SkXfermode::Mode mode) const;
void Init(gpu::gles2::GLES2Interface* context,
unsigned program,
- int* base_uniform_index);
+ int* base_uniform_index,
+ bool needs_backdrop_texture);
int alpha_location() const { return alpha_location_; }
int sampler_location() const { return sampler_location_; }
int mask_sampler_location() const { return mask_sampler_location_; }
« cc/output/program_binding.h ('K') | « cc/output/program_binding.h ('k') | cc/output/shader.cc » ('j') | cc/output/shader.cc » ('J')

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