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Diffstat (limited to 'libs/hwui/Program.h')
| -rw-r--r-- | libs/hwui/Program.h | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/libs/hwui/Program.h b/libs/hwui/Program.h deleted file mode 100644 index dcc2bd410ebd..000000000000 --- a/libs/hwui/Program.h +++ /dev/null @@ -1,446 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_HWUI_PROGRAM_H -#define ANDROID_HWUI_PROGRAM_H - -#include <utils/KeyedVector.h> - -#include <GLES2/gl2.h> -#include <GLES2/gl2ext.h> - -#include <SkBlendMode.h> - -#include "Debug.h" -#include "FloatColor.h" -#include "Matrix.h" -#include "Properties.h" -#include "utils/Color.h" - -namespace android { -namespace uirenderer { - -/////////////////////////////////////////////////////////////////////////////// -// Defines -/////////////////////////////////////////////////////////////////////////////// - -// Debug -#if DEBUG_PROGRAMS -#define PROGRAM_LOGD(...) ALOGD(__VA_ARGS__) -#else -#define PROGRAM_LOGD(...) -#endif - -#define COLOR_COMPONENT_THRESHOLD 1.0f -#define COLOR_COMPONENT_INV_THRESHOLD 0.0f - -#define PROGRAM_KEY_TEXTURE 0x01 -#define PROGRAM_KEY_A8_TEXTURE 0x02 -#define PROGRAM_KEY_BITMAP 0x04 -#define PROGRAM_KEY_GRADIENT 0x08 -#define PROGRAM_KEY_BITMAP_FIRST 0x10 -#define PROGRAM_KEY_COLOR_MATRIX 0x20 -#define PROGRAM_KEY_COLOR_BLEND 0x40 -#define PROGRAM_KEY_BITMAP_NPOT 0x80 -#define PROGRAM_KEY_BITMAP_EXTERNAL 0x100 - -#define PROGRAM_KEY_BITMAP_WRAPS_MASK 0x600 -#define PROGRAM_KEY_BITMAP_WRAPT_MASK 0x1800 - -#define PROGRAM_KEY_SWAP_SRC_DST_SHIFT 13 - -// Encode the xfermodes on 6 bits -#define PROGRAM_MAX_XFERMODE 0x1f -#define PROGRAM_XFERMODE_SHADER_SHIFT 26 -#define PROGRAM_XFERMODE_COLOR_OP_SHIFT 20 -#define PROGRAM_XFERMODE_FRAMEBUFFER_SHIFT 14 - -#define PROGRAM_BITMAP_WRAPS_SHIFT 9 -#define PROGRAM_BITMAP_WRAPT_SHIFT 11 - -#define PROGRAM_GRADIENT_TYPE_SHIFT 33 // 2 bits for gradient type -#define PROGRAM_MODULATE_SHIFT 35 - -#define PROGRAM_HAS_VERTEX_ALPHA_SHIFT 36 -#define PROGRAM_USE_SHADOW_ALPHA_INTERP_SHIFT 37 - -#define PROGRAM_HAS_EXTERNAL_TEXTURE_SHIFT 38 -#define PROGRAM_HAS_TEXTURE_TRANSFORM_SHIFT 39 - -#define PROGRAM_IS_SIMPLE_GRADIENT 40 - -#define PROGRAM_HAS_COLORS 41 - -#define PROGRAM_HAS_DEBUG_HIGHLIGHT 42 -#define PROGRAM_HAS_ROUND_RECT_CLIP 43 - -#define PROGRAM_HAS_GAMMA_CORRECTION 44 -#define PROGRAM_HAS_LINEAR_TEXTURE 45 - -#define PROGRAM_HAS_COLOR_SPACE_CONVERSION 46 -#define PROGRAM_TRANSFER_FUNCTION 47 // 2 bits for transfer function -#define PROGRAM_HAS_TRANSLUCENT_CONVERSION 49 - -/////////////////////////////////////////////////////////////////////////////// -// Types -/////////////////////////////////////////////////////////////////////////////// - -typedef uint64_t programid; - -/////////////////////////////////////////////////////////////////////////////// -// Program description -/////////////////////////////////////////////////////////////////////////////// - -/** - * Describe the features required for a given program. The features - * determine the generation of both the vertex and fragment shaders. - * A ProgramDescription must be used in conjunction with a ProgramCache. - */ -struct ProgramDescription { - enum class ColorFilterMode : int8_t { None = 0, Matrix, Blend }; - - enum Gradient : int8_t { kGradientLinear = 0, kGradientCircular, kGradientSweep }; - - ProgramDescription() { reset(); } - - // Texturing - bool hasTexture; - bool hasAlpha8Texture; - bool hasExternalTexture; - bool hasTextureTransform; - - // Color attribute - bool hasColors; - - // Modulate, this should only be set when setColor() return true - bool modulate; - - // Shaders - bool hasBitmap; - bool isShaderBitmapExternal; - bool useShaderBasedWrap; - - bool hasVertexAlpha; - bool useShadowAlphaInterp; - - bool hasGradient; - Gradient gradientType; - bool isSimpleGradient; - - SkBlendMode shadersMode; - - bool isBitmapFirst; - GLenum bitmapWrapS; - GLenum bitmapWrapT; - - // Color operations - ColorFilterMode colorOp; - SkBlendMode colorMode; - - // Framebuffer blending (requires Extensions.hasFramebufferFetch()) - // Ignored for all values < SkBlendMode::kPlus - SkBlendMode framebufferMode; - bool swapSrcDst; - - bool hasDebugHighlight; - bool hasRoundRectClip; - - // Extra gamma correction used for text - bool hasGammaCorrection; - // Set when sampling an image in linear space - bool hasLinearTexture; - - bool hasColorSpaceConversion; - TransferFunctionType transferFunction; - // Indicates whether the bitmap to convert between color spaces is translucent - bool hasTranslucentConversion; - - /** - * Resets this description. All fields are reset back to the default - * values they hold after building a new instance. - */ - void reset() { - hasTexture = false; - hasAlpha8Texture = false; - hasExternalTexture = false; - hasTextureTransform = false; - - hasColors = false; - - hasVertexAlpha = false; - useShadowAlphaInterp = false; - - modulate = false; - - hasBitmap = false; - isShaderBitmapExternal = false; - useShaderBasedWrap = false; - - hasGradient = false; - gradientType = kGradientLinear; - isSimpleGradient = false; - - shadersMode = SkBlendMode::kClear; - - isBitmapFirst = false; - bitmapWrapS = GL_CLAMP_TO_EDGE; - bitmapWrapT = GL_CLAMP_TO_EDGE; - - colorOp = ColorFilterMode::None; - colorMode = SkBlendMode::kClear; - - framebufferMode = SkBlendMode::kClear; - swapSrcDst = false; - - hasDebugHighlight = false; - hasRoundRectClip = false; - - hasGammaCorrection = false; - hasLinearTexture = false; - - hasColorSpaceConversion = false; - transferFunction = TransferFunctionType::None; - hasTranslucentConversion = false; - } - - /** - * Indicates, for a given color, whether color modulation is required in - * the fragment shader. When this method returns true, the program should - * be provided with a modulation color. - */ - bool setColorModulate(const float a) { - modulate = a < COLOR_COMPONENT_THRESHOLD; - return modulate; - } - - /** - * Indicates, for a given color, whether color modulation is required in - * the fragment shader. When this method returns true, the program should - * be provided with a modulation color. - */ - bool setAlpha8ColorModulate(const float r, const float g, const float b, const float a) { - modulate = a < COLOR_COMPONENT_THRESHOLD || r > COLOR_COMPONENT_INV_THRESHOLD || - g > COLOR_COMPONENT_INV_THRESHOLD || b > COLOR_COMPONENT_INV_THRESHOLD; - return modulate; - } - - /** - * Computes the unique key identifying this program. - */ - programid key() const { - programid key = 0; - if (hasTexture) key |= PROGRAM_KEY_TEXTURE; - if (hasAlpha8Texture) key |= PROGRAM_KEY_A8_TEXTURE; - if (hasBitmap) { - key |= PROGRAM_KEY_BITMAP; - if (useShaderBasedWrap) { - key |= PROGRAM_KEY_BITMAP_NPOT; - key |= getEnumForWrap(bitmapWrapS) << PROGRAM_BITMAP_WRAPS_SHIFT; - key |= getEnumForWrap(bitmapWrapT) << PROGRAM_BITMAP_WRAPT_SHIFT; - } - if (isShaderBitmapExternal) { - key |= PROGRAM_KEY_BITMAP_EXTERNAL; - } - } - if (hasGradient) key |= PROGRAM_KEY_GRADIENT; - key |= programid(gradientType) << PROGRAM_GRADIENT_TYPE_SHIFT; - if (isBitmapFirst) key |= PROGRAM_KEY_BITMAP_FIRST; - if (hasBitmap && hasGradient) { - key |= ((int)shadersMode & PROGRAM_MAX_XFERMODE) << PROGRAM_XFERMODE_SHADER_SHIFT; - } - switch (colorOp) { - case ColorFilterMode::Matrix: - key |= PROGRAM_KEY_COLOR_MATRIX; - break; - case ColorFilterMode::Blend: - key |= PROGRAM_KEY_COLOR_BLEND; - key |= ((int)colorMode & PROGRAM_MAX_XFERMODE) << PROGRAM_XFERMODE_COLOR_OP_SHIFT; - break; - case ColorFilterMode::None: - break; - } - key |= ((int)framebufferMode & PROGRAM_MAX_XFERMODE) << PROGRAM_XFERMODE_FRAMEBUFFER_SHIFT; - key |= programid(swapSrcDst) << PROGRAM_KEY_SWAP_SRC_DST_SHIFT; - key |= programid(modulate) << PROGRAM_MODULATE_SHIFT; - key |= programid(hasVertexAlpha) << PROGRAM_HAS_VERTEX_ALPHA_SHIFT; - key |= programid(useShadowAlphaInterp) << PROGRAM_USE_SHADOW_ALPHA_INTERP_SHIFT; - key |= programid(hasExternalTexture) << PROGRAM_HAS_EXTERNAL_TEXTURE_SHIFT; - key |= programid(hasTextureTransform) << PROGRAM_HAS_TEXTURE_TRANSFORM_SHIFT; - key |= programid(isSimpleGradient) << PROGRAM_IS_SIMPLE_GRADIENT; - key |= programid(hasColors) << PROGRAM_HAS_COLORS; - key |= programid(hasDebugHighlight) << PROGRAM_HAS_DEBUG_HIGHLIGHT; - key |= programid(hasRoundRectClip) << PROGRAM_HAS_ROUND_RECT_CLIP; - key |= programid(hasGammaCorrection) << PROGRAM_HAS_GAMMA_CORRECTION; - key |= programid(hasLinearTexture) << PROGRAM_HAS_LINEAR_TEXTURE; - key |= programid(hasColorSpaceConversion) << PROGRAM_HAS_COLOR_SPACE_CONVERSION; - key |= programid(transferFunction) << PROGRAM_TRANSFER_FUNCTION; - key |= programid(hasTranslucentConversion) << PROGRAM_HAS_TRANSLUCENT_CONVERSION; - return key; - } - - /** - * Logs the specified message followed by the key identifying this program. - */ - void log(const char* message) const { -#if DEBUG_PROGRAMS - programid k = key(); - PROGRAM_LOGD("%s (key = 0x%.8x%.8x)", message, uint32_t(k >> 32), uint32_t(k & 0xffffffff)); -#endif - } - -private: - static inline uint32_t getEnumForWrap(GLenum wrap) { - switch (wrap) { - case GL_CLAMP_TO_EDGE: - return 0; - case GL_REPEAT: - return 1; - case GL_MIRRORED_REPEAT: - return 2; - } - return 0; - } - -}; // struct ProgramDescription - -/** - * A program holds a vertex and a fragment shader. It offers several utility - * methods to query attributes and uniforms. - */ -class Program { -public: - enum ShaderBindings { kBindingPosition, kBindingTexCoords }; - - /** - * Creates a new program with the specified vertex and fragment - * shaders sources. - */ - Program(const ProgramDescription& description, const char* vertex, const char* fragment); - virtual ~Program(); - - /** - * Binds this program to the GL context. - */ - virtual void use(); - - /** - * Marks this program as unused. This will not unbind - * the program from the GL context. - */ - virtual void remove(); - - /** - * Returns the OpenGL name of the specified attribute. - */ - int getAttrib(const char* name); - - /** - * Returns the OpenGL name of the specified uniform. - */ - int getUniform(const char* name); - - /** - * Indicates whether this program is currently in use with - * the GL context. - */ - inline bool isInUse() const { return mUse; } - - /** - * Indicates whether this program was correctly compiled and linked. - */ - inline bool isInitialized() const { return mInitialized; } - - /** - * Binds the program with the specified projection, modelView and - * transform matrices. - */ - void set(const mat4& projectionMatrix, const mat4& modelViewMatrix, const mat4& transformMatrix, - bool offset = false); - - /** - * Sets the color associated with this shader. - */ - void setColor(FloatColor color); - - /** - * Name of the texCoords attribute if it exists (kBindingTexCoords), -1 otherwise. - */ - int texCoords; - - /** - * Name of the transform uniform. - */ - int transform; - - /** - * Name of the projection uniform. - */ - int projection; - -protected: - /** - * Adds an attribute with the specified name. - * - * @return The OpenGL name of the attribute. - */ - int addAttrib(const char* name); - - /** - * Binds the specified attribute name to the specified slot. - */ - int bindAttrib(const char* name, ShaderBindings bindingSlot); - - /** - * Adds a uniform with the specified name. - * - * @return The OpenGL name of the uniform. - */ - int addUniform(const char* name); - -private: - /** - * Compiles the specified shader of the specified type. - * - * @return The name of the compiled shader. - */ - GLuint buildShader(const char* source, GLenum type); - - // Name of the OpenGL program and shaders - GLuint mProgramId; - GLuint mVertexShader; - GLuint mFragmentShader; - - // Keeps track of attributes and uniforms slots - KeyedVector<const char*, int> mAttributes; - KeyedVector<const char*, int> mUniforms; - - bool mUse; - bool mInitialized; - - // Uniforms caching - bool mHasColorUniform; - int mColorUniform; - - bool mHasSampler; - - mat4 mProjection; - bool mOffset; -}; // class Program - -}; // namespace uirenderer -}; // namespace android - -#endif // ANDROID_HWUI_PROGRAM_H |