cwgl.h

/* Context, Platform */
struct cwgl_ctx_s;
typedef struct cwgl_ctx_s cwgl_ctx_t;
cwgl_ctx_t* cwgl_ctx_create(int32_t height, int32_t width, int32_t reserved, int32_t flags);
void cwgl_ctx_release(cwgl_ctx_t* ctx);
#define CWGL_CTX_FLAG_HAS_ALPHA (1<<0)
#define CWGL_CTX_FLAG_HAS_DEPTH (1<<1)
#define CWGL_CTX_FLAG_HAS_STENCIL (1<<2)
#define CWGL_CTX_FLAG_ANTIALIAS (1<<3)
#define CWGL_CTX_FLAG_PREMULTIPLIEDALPHA  (1<<4)
#define CWGL_CTX_FLAG_PRESERVEDRAWINGBUFFER (1<<5)

enum cwgl_query_result_e;
typedef enum cwgl_query_result_e cwgl_query_result_t;

enum cwgl_enum_e;
typedef enum cwgl_enum_e cwgl_enum_t;


/* Heap Objects */
struct cwgl_string_s;
typedef struct cwgl_string_s cwgl_string_t;
size_t cwgl_string_size(cwgl_ctx_t* ctx, cwgl_string_t* str);
cwgl_query_result_t cwgl_string_read(cwgl_ctx_t* ctx, cwgl_string_t* str, char* buf, size_t buflen);
void cwgl_string_release(cwgl_ctx_t* ctx, cwgl_string_t* str);

struct cwgl_Buffer_s;
struct cwgl_Shader_s;
struct cwgl_Program_s;
struct cwgl_Texture_s;
struct cwgl_Framebuffer_s;
struct cwgl_Renderbuffer_s;

typedef struct cwgl_Buffer_s cwgl_Buffer_t;
typedef struct cwgl_Shader_s cwgl_Shader_t;
typedef struct cwgl_Program_s cwgl_Program_t;
typedef struct cwgl_Texture_s cwgl_Texture_t;
typedef struct cwgl_Framebuffer_s cwgl_Framebuffer_t;
typedef struct cwgl_Renderbuffer_s cwgl_Renderbuffer_t;

void cwgl_Buffer_release(cwgl_ctx_t* ctx, cwgl_Buffer_t* buffer);
void cwgl_Shader_release(cwgl_ctx_t* ctx, cwgl_Shader_t* shader);
void cwgl_Program_release(cwgl_ctx_t* ctx, cwgl_Program_t* program);
void cwgl_Texture_release(cwgl_ctx_t* ctx, cwgl_Texture_t* texture);
void cwgl_Framebuffer_release(cwgl_ctx_t* ctx, cwgl_Framebuffer_t* framebuffer);
void cwgl_Renderbuffer_release(cwgl_ctx_t* ctx, cwgl_Renderbuffer_t* renderbuffer);

struct cwgl_UniformLocation_s;
typedef struct cwgl_UniformLocation_s cwgl_UniformLocation_t;
void cwgl_UniformLocation_release(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* uniformlocation);


/* Context, Platform */
int32_t cwgl_getContextAttributes(cwgl_ctx_t* ctx);
int cwgl_isContextLost(cwgl_ctx_t* ctx);
cwgl_query_result_t cwgl_getSupportedExtensions(cwgl_ctx_t* ctx, cwgl_string_t** str, size_t buflen, size_t* out_reslen);
//object? getExtension(DOMString name);

/* OpenGL State */
void cwgl_disable(cwgl_ctx_t* ctx, cwgl_enum_t cap);
void cwgl_enable(cwgl_ctx_t* ctx, cwgl_enum_t cap);

// 2.5 GL Errors
cwgl_enum_t cwgl_getError(cwgl_ctx_t* ctx);
// 2.7 Current Vertex State
void cwgl_vertexAttrib1f(cwgl_ctx_t* ctx, uint32_t indx, float x);
void cwgl_vertexAttrib2f(cwgl_ctx_t* ctx, uint32_t indx, float x, float y);
void cwgl_vertexAttrib3f(cwgl_ctx_t* ctx, uint32_t indx, float x, float y, float z);
void cwgl_vertexAttrib4f(cwgl_ctx_t* ctx, uint32_t indx, float x, float y, float z, float w);
// 2.8 Vertex Arrays
void cwgl_vertexAttribPointer(cwgl_ctx_t* ctx, uint32_t indx, int32_t size, cwgl_enum_t type, int normalized, uint32_t stride, uint32_t offset);
void cwgl_enableVertexAttribArray(cwgl_ctx_t* ctx, uint32_t index);
void cwgl_disableVertexAttribArray(cwgl_ctx_t* ctx, uint32_t index);
void cwgl_drawArrays(cwgl_ctx_t* ctx, cwgl_enum_t mode, int32_t first, uint32_t count);
void cwgl_drawElements(cwgl_ctx_t* ctx, cwgl_enum_t mode, uint32_t count, cwgl_enum_t type, uint32_t offset);
// 2.9 Buffer Objects
void cwgl_bindBuffer(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_Buffer_t* buffer);
void cwgl_deleteBuffer(cwgl_ctx_t* ctx, cwgl_Buffer_t* buffer);
cwgl_Buffer_t* createBuffer(cwgl_ctx_t* ctx);
void cwgl_bufferData(cwgl_ctx_t* ctx, cwgl_enum_t target, uint32_t size, void* data, cwgl_enum_t usage);
void cwgl_bufferSubData(cwgl_ctx_t* ctx, cwgl_enum_t target, uint32_t offset, void* data, size_t buflen);
// 2.10 Vertex shaders
// 2.10.1 Loading and Creating Shader Source
cwgl_Shader_t* cwgl_createShader(cwgl_ctx_t* ctx, cwgl_enum_t type);
void cwgl_shaderSource(cwgl_ctx_t* ctx, const char* source);
void cwgl_compileShader(cwgl_ctx_t* ctx, cwgl_Shader_t* shader);
void cwgl_deleteShader(cwgl_ctx_t* ctx, cwgl_Shader_t* shader);
// 2.10.3 Program Objects
cwgl_Program_t* cwgl_createProgram(cwgl_ctx_t* ctx);
void cwgl_attachShader(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_Shader_t* shader);
void cwgl_detachShader(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_Shader_t* shader);
void cwgl_linkProgram(cwgl_ctx_t* ctx, cwgl_Program_t* program);
void cwgl_useProgram(cwgl_ctx_t* ctx, cwgl_Program_t* program);
void cwgl_deleteProgram(cwgl_ctx_t* ctx, cwgl_Program_t* program);
// 2.10.4 Shader Variables
cwgl_query_result_t cwgl_getActiveAttrib(cwgl_ctx_t* ctx, cwgl_Program_t* program, int32_t index, int32_t* out_size, int32_t* type, cwgl_string_t** name);
int32_t cwgl_getAttribLocation(cwgl_ctx_t* ctx, cwgl_Program_t* program, const char* name);
void cwgl_bindAttribLocation(cwgl_ctx_t* ctx, cwgl_Program_t* program, uint32_t index, const char* name);
cwgl_UniformLocation_t* cwgl_getUniformLocation(cwgl_ctx_t* ctx, cwgl_Program_t* program, const char* name);
cwgl_query_result_t cwgl_getActiveUniform(cwgl_ctx_t* ctx, cwgl_Program_t* program, int32_t index, int32_t* out_size, int32_t* type, cwgl_string_t** name);
void cwgl_uniform1f(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, float x);
void cwgl_uniform1i(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, int32_t x);
void cwgl_uniform2f(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, float x, float y);
void cwgl_uniform2i(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, int32_t x, int32_t y);
void cwgl_uniform3f(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, float x, float y, float z);
void cwgl_uniform3i(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, int32_t x, int32_t y, int32_t z);
void cwgl_uniform4f(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, float x, float y, float z, float w);
void cwgl_uniform4i(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, int32_t x, int32_t y, int32_t z, int32_t w);
void cwgl_uniformMatrix2fv(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, int transpose, float* value);
void cwgl_uniformMatrix3fv(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, int transpose, float* value);
void cwgl_uniformMatrix4fv(cwgl_ctx_t* ctx, cwgl_UniformLocation_t* location, int transpose, float* value);
// 2.10.5 Shader Execution
void cwgl_validateProgram(cwgl_ctx_t* ctx, cwgl_Program_t* program);
// 2.12.1 Controlling the Viewport
void cwgl_depthRange(cwgl_ctx_t* ctx, float zNear, float zFar);
void cwgl_viewport(cwgl_ctx_t* ctx, int32_t x, int32_t y, int32_t width, int32_t height);

// 3.4 Line Segments
void cwgl_linewidth(cwgl_ctx_t* ctx, float width);
// 3.5 Polygons
void cwgl_frontFace(cwgl_ctx_t* ctx, cwgl_enum_t mode);
void cwgl_cullFace(cwgl_ctx_t* ctx, cwgl_enum_t mode);
// 3.5.2 Depth offset
void cwgl_polygonOffset(cwgl_ctx_t* ctx, float factor, float units);
// 3.6.1 Pixel Storage Modes
void cwgl_pixelStorei(cwgl_ctx_t* ctx, cwgl_enum_t pname, int32_t param);
// 3.7 Texturing
void cwgl_activeTexture(cwgl_ctx_t* ctx, cwgl_enum_t texture);
// 3.7.1 Texture Image Specification
void cwgl_texImage2D(cwgl_ctx_t* ctx, cwgl_enum_t target, int32_t level, cwgl_enum_t internalformat, uint32_t width, uint32_t height, int32_t border, cwgl_enum_t format, cwgl_enum_t type, const void* buf, size_t buflen);
// 3.7.2 Alternate Texture Image Specification Commands
void cwgl_copyTexImage2D(cwgl_ctx_t* ctx, cwgl_enum_t target, int32_t level, cwgl_enum_t internalformat, int32_t x, int32_t y, uint32_t width, uint32_t height, int32_t border);
void cwgl_texSubImage2D(cwgl_ctx_t* ctx, cwgl_enum_t target, int32_t level, int32_t xoffset, int32_t yoffset, uint32_t width, uint32_t height, cwgl_enum_t format, cwgl_enum_t type, const void* buf, size_t buflen);
void cwgl_copyTexSubImage2D(cwgl_ctx_t* ctx, cwgl_enum_t target, int32_t level, int32_t xoffset, int32_t yoffset, int32_t x, int32_t y, uint32_t width, uint32_t height);
// 3.7.3 Compressed Texture Images
void cwgl_compressedTexImage2D(cwgl_ctx_t* ctx, cwgl_enum_t target, int32_t level, cwgl_enum_t internalformat, uint32_t width, uint32_t height, int32_t border, const void* buf, size_t buflen);
void cwgl_compressedTexSubImage2D(cwgl_ctx_t* ctx, cwgl_enum_t target, int32_t level, int32_t xoffset, int32_t yoffset, uint32_t width, uint32_t height, cwgl_enum_t format, const void* buf, size_t buflen);
// 3.7.4 Texture Parameters
void cwgl_texParameterf(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t pname, float param);
void cwgl_texParameteri(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t pname, int32_t param);
// 3.7.11 Mipmap Generation
void cwgl_generateMipmap(cwgl_ctx_t* ctx, cwgl_enum_t target);
// 3.7.13 Texture Objects
void cwgl_bindTexture(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_Texture_t* texture);
void cwgl_deleteTexture(cwgl_ctx_t* ctx, cwgl_Texture_t* texture);
cwgl_Texture_t* cwgl_createTexture(cwgl_ctx_t* ctx);

// 4.1.2 Scissor Test
void cwgl_scissor(cwgl_ctx_t* ctx, int32_t x, int32_t y, uint32_t width, uint32_t height);
// 4.1.3 Multisample Fragment Operations
void cwgl_sampleCoverage(cwgl_ctx_t* ctx, float value, int invert);
// 4.1.4 Stencil Test
void cwgl_stencilFunc(cwgl_ctx_t* ctx, cwgl_enum_t func, int32_t ref, uint32_t mask);
void cwgl_stencilFuncSemarate(cwgl_ctx_t* ctx, cwgl_enum_t face, cwgl_enum_t func, int32_t ref, uint32_t mask);
void cwgl_stencilOp(cwgl_ctx_t* ctx, cwgl_enum_t fail, cwgl_enum_t zfail, cwgl_enum_t zpass);
void cwgl_stencilOpSeparate(cwgl_ctx_t* ctx, cwgl_enum_t face, cwgl_enum_t fail, cwgl_enum_t zfail, cwgl_enum_t zpass);
// 4.1.5 Depth Buffer Test
void cwgl_depthFunc(cwgl_ctx_t* ctx, cwgl_enum_t func);
// 4.1.6 Blending
void cwgl_blendEquation(cwgl_ctx_t* ctx, cwgl_enum_t mode);
void cwgl_blendEquationSeparate(cwgl_ctx_t* ctx, cwgl_enum_t modeRGB, cwgl_enum_t modeAlpha);
void cwgl_blendFuncSeparate(cwgl_ctx_t* ctx, cwgl_enum_t srcRGB, cwgl_enum_t dstRGB, cwgl_enum_t srcAlpha, cwgl_enum_t dstAlpha);
void cwgl_blendFunc(cwgl_ctx_t* ctx, cwgl_enum_t sfactor, cwgl_enum_t dfactor);
void cwgl_blendColor(cwgl_ctx_t* ctx, float red, float green, float blue, float alpha);
// 4.2.2 Fine Control of Buffer Updates
void cwgl_colorMask(cwgl_ctx_t* ctx, int red, int green, int blue, int alpha);
void cwgl_depthMask(cwgl_ctx_t* ctx, int flag);
void cwgl_stencilMask(cwgl_ctx_t* ctx, uint32_t mask);
void cwgl_stencilMaskSeparate(cwgl_ctx_t* ctx, cwgl_enum_t face, uint32_t mask);
// 4.2.3 Clearing the Buffers
void cwgl_clear(cwgl_ctx_t* ctx, uint32_t mask);
void cwgl_clearColor(cwgl_ctx_t* ctx, float red, float green, float blue, float alpha);
void cwgl_clearDepth(cwgl_ctx_t* ctx, float depth);
void cwgl_clearStencil(cwgl_ctx_t* ctx, int32_t s);
// 4.3.1 Reading Pixels
void cwgl_readPixels(cwgl_ctx_t* ctx, int32_t x, int32_t y, uint32_t width, uint32_t height, cwgl_enum_t format, cwgl_enum_t type, void* buf, size_t buflen);
// 4.4.1 Binding and Managing Framebuffer Objects
void cwgl_bindFramebuffer(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_Framebuffer_t* framebuffer);
void cwgl_deleteFramebuffer(cwgl_ctx_t* ctx, cwgl_Framebuffer_t* framebuffer);
cwgl_Framebuffer_t* cwgl_createFramebuffer(cwgl_ctx_t* ctx);
// 4.4.3 Renderbuffer Objects
void cwgl_bindRenderbuffer(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_Renferbuffer_t* renderbuffer);
void cwgl_deleteRenderbuffer(cwgl_ctx_t* ctx, cwgl_Renderbuffer_t* renderbuffer);
cwgl_Renderbuffer_t* cwgl_createRenderbuffer(cwgl_ctx_t* ctx);
void cwgl_renderbufferStorage(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t internalformat, uint32_t width, uint32_t height);
void cwgl_framebufferRenderbuffer(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t attachment, cwgl_enum_t renderbuffertarget, cwgl_Renderbuffer_t* renderbuffer);
void cwgl_framebufferTexture2D(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t attachment, cwgl_enum_t textarget, cwgl_Texuture_t* texture, int32_t level);
// 4.4.5 Framebuffer Completeness
cwgl_enum_t cwgl_checkFramebufferStatus(cwgl_ctx_t* ctx, cwgl_enum_t target);

// 5.1 Flush and Finish
void cwgl_finish(cwgl_ctx_t* ctx);
void cwgl_flush(cwgl_ctx_t* ctx);
// 5.2 Hints
void cwgl_hint(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t mode);

// 6.1.1 Simple Queries
cwgl_query_result_t cwgl_getParameter_i1(cwgl_ctx_t* ctx, cwgl_enum_t pname, int32_t* x);
cwgl_query_result_t cwgl_getParameter_i2(cwgl_ctx_t* ctx, cwgl_enum_t pname, int32_t* x, int32_t* y);
cwgl_query_result_t cwgl_getParameter_i4(cwgl_ctx_t* ctx, cwgl_enum_t pname, int32_t* x, int32_t* y, int32_t* z, int32_t* w);
cwgl_query_result_t cwgl_getParameter_f1(cwgl_ctx_t* ctx, cwgl_enum_t pname, float* x);
cwgl_query_result_t cwgl_getParameter_f4(cwgl_ctx_t* ctx, cwgl_enum_t pname, float* x, float* y, float* z, float* w);
cwgl_query_result_t cwgl_getParameter_str(cwgl_ctx_t* ctx, cwgl_enum_t pname, cwgl_string_t** str);
cwgl_query_result_t cwgl_getParameter_Buffer(cwgl_ctx_t* ctx, cwgl_enum_t pname, cwgl_Buffer_t** buffer);
cwgl_query_result_t cwgl_getParameter_Program(cwgl_ctx_t* ctx, cwgl_enum_t pname, cwgl_Program_t** program);
cwgl_query_result_t cwgl_getParameter_Framebuffer(cwgl_ctx_t* ctx, cwgl_enum_t pname, cwgl_Framebuffer_t** framebuffer);
cwgl_query_result_t cwgl_getParameter_Renderbuffer(cwgl_ctx_t* ctx, cwgl_enum_t pname, cwgl_Renderbuffer_t** renderbuffer);
cwgl_query_result_t cwgl_getParameter_Texture(cwgl_ctx_t* ctx, cwgl_enum_t pname, cwgl_Texture_t** texture);
int cwgl_isEnabled(cwgl_ctx_t* ctx, cwgl_enum_t cap);
// 6.1.3 Enumerated Queries
cwgl_query_result_t cwgl_getTexParameter_i1(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t pname, int32_t* x);
cwgl_query_result_t cwgl_getBufferParameter_i1(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t pname, int32_t* x);
cwgl_query_result_t cwgl_getFramebufferAttachmentParameter_i1(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t attachment, cwgl_enum_t pname, int32_t* x);
cwgl_query_result_t cwgl_getFramebufferAttachmentParameter_Renderbuffer(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t attachment, cwgl_enum_t pname, cwgl_Renderbuffer_t** renderbuffer);
cwgl_query_result_t cwgl_getFramebufferAttachmentParameter_Texture(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t attachment, cwgl_enum_t pname, cwgl_Texture_t** texture);
cwgl_query_result_t cwgl_getRenderbufferParameter_i1(cwgl_ctx_t* ctx, cwgl_enum_t target, cwgl_enum_t pname, int32_t* x);
// 6.1.4 Texture Queries
int cwgl_isTexture(cwgl_ctx_t* ctx, cwgl_Texture_t* texture);
// 6.1.6 Buffer Object Queries
int cwgl_isBuffer(cwgl_ctx_t* ctx, cwgl_Buffer_t* buffer);
// 6.1.7 Framebuffer Object and Renderbuffer Queries
int cwgl_isFramebuffer(cwgl_ctx_t* ctx, cwgl_Framebuffer_t* framebuffer);
int cwgl_isRenderbuffer(cwgl_ctx_t* ctx, cwgl_Renderbuffer_t* renderbuffer);
// 6.1.8 Shader and Program Queries
int cwgl_isShader(cwgl_ctx_t* ctx, cwgl_Shader_t* shader);
cwgl_query_result_t cwgl_getShaderParameter_i1(cwgl_ctx_t* ctx, cwgl_Shader_t* shader, cwgl_enum_t pname, int32_t* x);
int cwgl_isProgram(cwgl_ctx_t* ctx, cwgl_Program_t* program);
cwgl_query_result_t cwgl_getProgramParameter_i1(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_enum_t pname, int32_t* x);
cwgl_query_result_t cwgl_getAttachedShaders(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_Shader_t** shader, size_t bufcount, size_t rescount);
cwgl_string_t* cwgl_getProgramInfoLog(cwgl_ctx_t* ctx, cwgl_Program_t* program);
cwgl_string_t* cwgl_getShaderInfoLog(cwgl_ctx_t* ctx, cwgl_Shader_t* shader);
cwgl_string_t* cwgl_getShaderSource(cwgl_ctx_t* ctx, cwgl_Shader_t* shader);
cwgl_query_result_t cwgl_getShaderPrecisionFormat(cwgl_ctx_t* ctx, cwgl_enum_t shadertype, cwgl_enum_t precisiontype, int32_t* rangeMin, int32_t* rangeMax, int32_t* precision);
cwgl_query_result_t cwgl_getVertexAttrib_i1(cwgl_ctx_t* ctx, uint32_t index, cwgl_enum_t pname, int32_t* x);
cwgl_query_result_t cwgl_getVertexAttrib_f4(cwgl_ctx_t* ctx, uint32_t index, cwgl_enum_t pname, float* x, float* y, float* z, float* w);
cwgl_query_result_t cwgl_getVertexAttrib_Buffer(cwgl_ctx_t* ctx, uint32_t index, cwgl_enum_t pname, cwgl_Buffer_t** buffer);
uint32_t cwgl_getVertexAttribOffset(cwgl_ctx_t* ctx, uint32_t index, cwgl_enum_t pname);
cwgl_query_result_t cwgl_getUniform_i1(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, int32_t* x);
cwgl_query_result_t cwgl_getUniform_i2(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, int32_t* x, int32_t* y);
cwgl_query_result_t cwgl_getUniform_i3(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, int32_t* x, int32_t* y, int32_t* z);
cwgl_query_result_t cwgl_getUniform_i4(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, int32_t* x, int32_t* y, int32_t* z, int32_t* w);
cwgl_query_result_t cwgl_getUniform_f1(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, float* x);
cwgl_query_result_t cwgl_getUniform_f2(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, float* x, float* y);
cwgl_query_result_t cwgl_getUniform_f3(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, float* x, float* y, float* z);
cwgl_query_result_t cwgl_getUniform_f4(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, float* x, float* y, float* z, float* w);
cwgl_query_result_t cwgl_getUniform_m2(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, float* x);
cwgl_query_result_t cwgl_getUniform_m3(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, float* x);
cwgl_query_result_t cwgl_getUniform_m4(cwgl_ctx_t* ctx, cwgl_Program_t* program, cwgl_UniformLocation_t* location, float* x);