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android-951
drape/gl_functions.hpp
161 строка
7 KB
r.kuznetsov
[drape][metal] Fixed unit tests, refactored a bit CurrentApiVersion.
25 сен 2018, 12:33
25 сен 2018, 12:33
d107472
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#pragma once #include "drape/drape_global.hpp" #include "drape/gl_constants.hpp" #include "drape/gl_extensions_list.hpp" #include "base/src_point.hpp" #include <string> #include <thread> class GLFunctions { public: static dp::ApiVersion CurrentApiVersion; static dp::GLExtensionsList ExtensionsList; static void Init(dp::ApiVersion apiVersion); static bool glHasExtension(std::string const & name); static void glClearColor(float r, float g, float b, float a); static void glClear(uint32_t clearBits); static void glViewport(uint32_t x, uint32_t y, uint32_t w, uint32_t h); static void glScissor(uint32_t x, uint32_t y, uint32_t w, uint32_t h); static void glFlush(); static void glFinish(); static void glFrontFace(glConst mode); static void glCullFace(glConst face); static void glStencilOpSeparate(glConst face, glConst sfail, glConst dpfail, glConst dppass); static void glStencilFuncSeparate(glConst face, glConst func, int ref, uint32_t mask); static void glPixelStore(glConst name, uint32_t value); static int32_t glGetInteger(glConst pname); /// target = { gl_const::GLArrayBuffer, gl_const::GLElementArrayBuffer } /// name = { gl_const::GLBufferSize, gl_const::GLBufferUsage } static int32_t glGetBufferParameter(glConst target, glConst name); static std::string glGetString(glConst pname); static int32_t glGetMaxLineWidth(); static void glEnable(glConst mode); static void glDisable(glConst mode); static void glClearDepthValue(double depth); static void glDepthMask(bool needWriteToDepthBuffer); static void glDepthFunc(glConst depthFunc); static void glBlendEquation(glConst function); static void glBlendFunc(glConst srcFactor, glConst dstFactor); static void glLineWidth(uint32_t value); /// VAO support static uint32_t glGenVertexArray(); static void glBindVertexArray(uint32_t vao); static void glDeleteVertexArray(uint32_t vao); /// VBO support static uint32_t glGenBuffer(); /// target - type of buffer to bind. Look GLConst static void glBindBuffer(uint32_t vbo, glConst target); static void glDeleteBuffer(uint32_t vbo); /// usage - Look GLConst static void glBufferData(glConst target, uint32_t size, void const * data, glConst usage); static void glBufferSubData(glConst target, uint32_t size, void const * data, uint32_t offset); static void * glMapBuffer(glConst target, glConst access = gl_const::GLWriteOnly); static void glUnmapBuffer(glConst target); static void * glMapBufferRange(glConst target, uint32_t offset, uint32_t length, glConst access); static void glFlushMappedBufferRange(glConst target, uint32_t offset, uint32_t length); /// Shaders support static uint32_t glCreateShader(glConst type); static void glShaderSource(uint32_t shaderID, std::string const & src, std::string const & defines); static bool glCompileShader(uint32_t shaderID, std::string & errorLog); static void glDeleteShader(uint32_t shaderID); static uint32_t glCreateProgram(); static void glAttachShader(uint32_t programID, uint32_t shaderID); static void glDetachShader(uint32_t programID, uint32_t shaderID); static bool glLinkProgram(uint32_t programID, std::string & errorLog); static void glDeleteProgram(uint32_t programID); static void glUseProgram(uint32_t programID); static int8_t glGetAttribLocation(uint32_t programID, std::string const & name); static void glBindAttribLocation(uint32_t programID, uint8_t index, std::string const & name); /// enable vertex attribute binding. To get attributeLocation need to call glGetAttributeLocation static void glEnableVertexAttribute(int32_t attributeLocation); /// Configure vertex attribute binding. /// attrLocation - attribute location in shader program /// count - specify number of components with "type" for generic attribute /// needNormalize - if "true" then OGL will map integer value on [-1 : 1] for signed of on [0 : 1] /// for unsigned /// if "false" it will direct convert to float type /// if "type" == GLFloat this parameter have no sense /// stride - how much bytes need to seek from current attribute value to get the second value /// offset - how much bytes need to seek from begin of currenct buffer to get first attribute /// value static void glVertexAttributePointer(int32_t attrLocation, uint32_t count, glConst type, bool needNormalize, uint32_t stride, uint32_t offset); static void glGetActiveUniform(uint32_t programID, uint32_t uniformIndex, int32_t * uniformSize, glConst * type, std::string & name); static int8_t glGetUniformLocation(uint32_t programID, std::string const & name); static void glUniformValuei(int8_t location, int32_t v); static void glUniformValuei(int8_t location, int32_t v1, int32_t v2); static void glUniformValuei(int8_t location, int32_t v1, int32_t v2, int32_t v3); static void glUniformValuei(int8_t location, int32_t v1, int32_t v2, int32_t v3, int32_t v4); static void glUniformValueiv(int8_t location, int32_t * v, uint32_t size); static void glUniformValuef(int8_t location, float v); static void glUniformValuef(int8_t location, float v1, float v2); static void glUniformValuef(int8_t location, float v1, float v2, float v3); static void glUniformValuef(int8_t location, float v1, float v2, float v3, float v4); static void glUniformValuefv(int8_t location, float * v, uint32_t size); static void glUniformMatrix4x4Value(int8_t location, float const * values); static uint32_t glGetCurrentProgram(); static int32_t glGetProgramiv(uint32_t program, glConst paramName); // Textures support static void glActiveTexture(glConst texBlock); static uint32_t glGenTexture(); static void glDeleteTexture(uint32_t id); static void glBindTexture(uint32_t textureID); static void glTexImage2D(int width, int height, glConst layout, glConst pixelType, void const * data); static void glTexSubImage2D(int x, int y, int width, int height, glConst layout, glConst pixelType, void const * data); static void glTexParameter(glConst param, glConst value); // Draw support static void glDrawElements(glConst primitive, uint32_t sizeOfIndex, uint32_t indexCount, uint32_t startIndex = 0); static void glDrawArrays(glConst mode, int32_t first, uint32_t count); // FBO support static void glGenFramebuffer(uint32_t * fbo); static void glDeleteFramebuffer(uint32_t * fbo); static void glBindFramebuffer(uint32_t fbo); static void glFramebufferTexture2D(glConst attachment, glConst texture); static uint32_t glCheckFramebufferStatus(); }; void CheckGLError(base::SrcPoint const & src); #ifdef DEBUG #define GLCHECK(x) do { (x); CheckGLError(SRC()); } while (false) #define GLCHECKCALL() do { CheckGLError(SRC()); } while (false) #else #define GLCHECK(x) (x) #define GLCHECKCALL() #endif