// SPDX-License-Identifier: Apache-2.0 // SPDX-FileCopyrightText: 2014 Eric Woroshow // SPDX-FileCopyrightText: 2022 The Ebitengine Authors //go:build nintendosdk package gl // #include // #include // // typedef unsigned int GLenum; // typedef unsigned char GLboolean; // typedef unsigned int GLbitfield; // typedef int GLint; // typedef unsigned int GLuint; // typedef int GLsizei; // typedef float GLfloat; // typedef char GLchar; // typedef ptrdiff_t GLintptr; // typedef ptrdiff_t GLsizeiptr; // // static void glowActiveTexture(uintptr_t fnptr, GLenum texture) { // typedef void (*fn)(GLenum texture); // ((fn)(fnptr))(texture); // } // static void glowAttachShader(uintptr_t fnptr, GLuint program, GLuint shader) { // typedef void (*fn)(GLuint program, GLuint shader); // ((fn)(fnptr))(program, shader); // } // static void glowBindAttribLocation(uintptr_t fnptr, GLuint program, GLuint index, const GLchar* name) { // typedef void (*fn)(GLuint program, GLuint index, const GLchar* name); // ((fn)(fnptr))(program, index, name); // } // static void glowBindBuffer(uintptr_t fnptr, GLenum target, GLuint buffer) { // typedef void (*fn)(GLenum target, GLuint buffer); // ((fn)(fnptr))(target, buffer); // } // static void glowBindFramebuffer(uintptr_t fnptr, GLenum target, GLuint framebuffer) { // typedef void (*fn)(GLenum target, GLuint framebuffer); // ((fn)(fnptr))(target, framebuffer); // } // static void glowBindRenderbuffer(uintptr_t fnptr, GLenum target, GLuint renderbuffer) { // typedef void (*fn)(GLenum target, GLuint renderbuffer); // ((fn)(fnptr))(target, renderbuffer); // } // static void glowBindTexture(uintptr_t fnptr, GLenum target, GLuint texture) { // typedef void (*fn)(GLenum target, GLuint texture); // ((fn)(fnptr))(target, texture); // } // static void glowBindVertexArray(uintptr_t fnptr, GLuint array) { // typedef void (*fn)(GLuint array); // ((fn)(fnptr))(array); // } // static void glowBlendEquationSeparate(uintptr_t fnptr, GLenum modeRGB, GLenum modeAlpha) { // typedef void (*fn)(GLenum modeRGB, GLenum modeAlpha); // ((fn)(fnptr))(modeRGB, modeAlpha); // } // static void glowBlendFuncSeparate(uintptr_t fnptr, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) { // typedef void (*fn)(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); // ((fn)(fnptr))(srcRGB, dstRGB, srcAlpha, dstAlpha); // } // static void glowBufferData(uintptr_t fnptr, GLenum target, GLsizeiptr size, const void* data, GLenum usage) { // typedef void (*fn)(GLenum target, GLsizeiptr size, const void* data, GLenum usage); // ((fn)(fnptr))(target, size, data, usage); // } // static void glowBufferSubData(uintptr_t fnptr, GLenum target, GLintptr offset, GLsizeiptr size, const void* data) { // typedef void (*fn)(GLenum target, GLintptr offset, GLsizeiptr size, const void* data); // ((fn)(fnptr))(target, offset, size, data); // } // static GLenum glowCheckFramebufferStatus(uintptr_t fnptr, GLenum target) { // typedef GLenum (*fn)(GLenum target); // return ((fn)(fnptr))(target); // } // static void glowClear(uintptr_t fnptr, GLbitfield mask) { // typedef void (*fn)(GLbitfield mask); // ((fn)(fnptr))(mask); // } // static void glowColorMask(uintptr_t fnptr, GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) { // typedef void (*fn)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); // ((fn)(fnptr))(red, green, blue, alpha); // } // static void glowCompileShader(uintptr_t fnptr, GLuint shader) { // typedef void (*fn)(GLuint shader); // ((fn)(fnptr))(shader); // } // static GLuint glowCreateProgram(uintptr_t fnptr) { // typedef GLuint (*fn)(); // return ((fn)(fnptr))(); // } // static GLuint glowCreateShader(uintptr_t fnptr, GLenum type) { // typedef GLuint (*fn)(GLenum type); // return ((fn)(fnptr))(type); // } // static void glowDeleteBuffers(uintptr_t fnptr, GLsizei n, const GLuint* buffers) { // typedef void (*fn)(GLsizei n, const GLuint* buffers); // ((fn)(fnptr))(n, buffers); // } // static void glowDeleteFramebuffers(uintptr_t fnptr, GLsizei n, const GLuint* framebuffers) { // typedef void (*fn)(GLsizei n, const GLuint* framebuffers); // ((fn)(fnptr))(n, framebuffers); // } // static void glowDeleteProgram(uintptr_t fnptr, GLuint program) { // typedef void (*fn)(GLuint program); // ((fn)(fnptr))(program); // } // static void glowDeleteRenderbuffers(uintptr_t fnptr, GLsizei n, const GLuint* renderbuffers) { // typedef void (*fn)(GLsizei n, const GLuint* renderbuffers); // ((fn)(fnptr))(n, renderbuffers); // } // static void glowDeleteShader(uintptr_t fnptr, GLuint shader) { // typedef void (*fn)(GLuint shader); // ((fn)(fnptr))(shader); // } // static void glowDeleteTextures(uintptr_t fnptr, GLsizei n, const GLuint* textures) { // typedef void (*fn)(GLsizei n, const GLuint* textures); // ((fn)(fnptr))(n, textures); // } // static void glowDeleteVertexArrays(uintptr_t fnptr, GLsizei n, const GLuint* arrays) { // typedef void (*fn)(GLsizei n, const GLuint* arrays); // ((fn)(fnptr))(n, arrays); // } // static void glowDisable(uintptr_t fnptr, GLenum cap) { // typedef void (*fn)(GLenum cap); // ((fn)(fnptr))(cap); // } // static void glowDisableVertexAttribArray(uintptr_t fnptr, GLuint index) { // typedef void (*fn)(GLuint index); // ((fn)(fnptr))(index); // } // static void glowDrawBuffers(uintptr_t fnptr, GLsizei n, const GLenum* bufs) { // typedef void (*fn)(GLsizei n, const GLenum* bufs); // ((fn)(fnptr))(n, bufs); // } // static void glowDrawElements(uintptr_t fnptr, GLenum mode, GLsizei count, GLenum type, const uintptr_t indices) { // typedef void (*fn)(GLenum mode, GLsizei count, GLenum type, const uintptr_t indices); // ((fn)(fnptr))(mode, count, type, indices); // } // static void glowEnable(uintptr_t fnptr, GLenum cap) { // typedef void (*fn)(GLenum cap); // ((fn)(fnptr))(cap); // } // static void glowEnableVertexAttribArray(uintptr_t fnptr, GLuint index) { // typedef void (*fn)(GLuint index); // ((fn)(fnptr))(index); // } // static void glowFlush(uintptr_t fnptr) { // typedef void (*fn)(); // ((fn)(fnptr))(); // } // static void glowFramebufferRenderbuffer(uintptr_t fnptr, GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) { // typedef void (*fn)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); // ((fn)(fnptr))(target, attachment, renderbuffertarget, renderbuffer); // } // static void glowFramebufferTexture2D(uintptr_t fnptr, GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) { // typedef void (*fn)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); // ((fn)(fnptr))(target, attachment, textarget, texture, level); // } // static void glowGenBuffers(uintptr_t fnptr, GLsizei n, GLuint* buffers) { // typedef void (*fn)(GLsizei n, GLuint* buffers); // ((fn)(fnptr))(n, buffers); // } // static void glowGenFramebuffers(uintptr_t fnptr, GLsizei n, GLuint* framebuffers) { // typedef void (*fn)(GLsizei n, GLuint* framebuffers); // ((fn)(fnptr))(n, framebuffers); // } // static void glowGenRenderbuffers(uintptr_t fnptr, GLsizei n, GLuint* renderbuffers) { // typedef void (*fn)(GLsizei n, GLuint* renderbuffers); // ((fn)(fnptr))(n, renderbuffers); // } // static void glowGenTextures(uintptr_t fnptr, GLsizei n, GLuint* textures) { // typedef void (*fn)(GLsizei n, GLuint* textures); // ((fn)(fnptr))(n, textures); // } // static void glowGenVertexArrays(uintptr_t fnptr, GLsizei n, GLuint* arrays) { // typedef void (*fn)(GLsizei n, GLuint* arrays); // ((fn)(fnptr))(n, arrays); // } // static GLenum glowGetError(uintptr_t fnptr) { // typedef GLenum (*fn)(); // return ((fn)(fnptr))(); // } // static void glowGetIntegerv(uintptr_t fnptr, GLenum pname, GLint* data) { // typedef void (*fn)(GLenum pname, GLint* data); // ((fn)(fnptr))(pname, data); // } // static void glowGetProgramInfoLog(uintptr_t fnptr, GLuint program, GLsizei bufSize, GLsizei* length, GLchar* infoLog) { // typedef void (*fn)(GLuint program, GLsizei bufSize, GLsizei* length, GLchar* infoLog); // ((fn)(fnptr))(program, bufSize, length, infoLog); // } // static void glowGetProgramiv(uintptr_t fnptr, GLuint program, GLenum pname, GLint* params) { // typedef void (*fn)(GLuint program, GLenum pname, GLint* params); // ((fn)(fnptr))(program, pname, params); // } // static void glowGetShaderInfoLog(uintptr_t fnptr, GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog) { // typedef void (*fn)(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog); // ((fn)(fnptr))(shader, bufSize, length, infoLog); // } // static void glowGetShaderiv(uintptr_t fnptr, GLuint shader, GLenum pname, GLint* params) { // typedef void (*fn)(GLuint shader, GLenum pname, GLint* params); // ((fn)(fnptr))(shader, pname, params); // } // static GLint glowGetUniformLocation(uintptr_t fnptr, GLuint program, const GLchar* name) { // typedef GLint (*fn)(GLuint program, const GLchar* name); // return ((fn)(fnptr))(program, name); // } // static GLboolean glowIsFramebuffer(uintptr_t fnptr, GLuint framebuffer) { // typedef GLboolean (*fn)(GLuint framebuffer); // return ((fn)(fnptr))(framebuffer); // } // static GLboolean glowIsProgram(uintptr_t fnptr, GLuint program) { // typedef GLboolean (*fn)(GLuint program); // return ((fn)(fnptr))(program); // } // static GLboolean glowIsRenderbuffer(uintptr_t fnptr, GLuint renderbuffer) { // typedef GLboolean (*fn)(GLuint renderbuffer); // return ((fn)(fnptr))(renderbuffer); // } // static void glowLinkProgram(uintptr_t fnptr, GLuint program) { // typedef void (*fn)(GLuint program); // ((fn)(fnptr))(program); // } // static void glowPixelStorei(uintptr_t fnptr, GLenum pname, GLint param) { // typedef void (*fn)(GLenum pname, GLint param); // ((fn)(fnptr))(pname, param); // } // static void glowReadPixels(uintptr_t fnptr, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels) { // typedef void (*fn)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels); // ((fn)(fnptr))(x, y, width, height, format, type, pixels); // } // static void glowRenderbufferStorage(uintptr_t fnptr, GLenum target, GLenum internalformat, GLsizei width, GLsizei height) { // typedef void (*fn)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); // ((fn)(fnptr))(target, internalformat, width, height); // } // static void glowScissor(uintptr_t fnptr, GLint x, GLint y, GLsizei width, GLsizei height) { // typedef void (*fn)(GLint x, GLint y, GLsizei width, GLsizei height); // ((fn)(fnptr))(x, y, width, height); // } // static void glowShaderSource(uintptr_t fnptr, GLuint shader, GLsizei count, const GLchar*const* string, const GLint* length) { // typedef void (*fn)(GLuint shader, GLsizei count, const GLchar*const* string, const GLint* length); // ((fn)(fnptr))(shader, count, string, length); // } // static void glowStencilFunc(uintptr_t fnptr, GLenum func, GLint ref, GLuint mask) { // typedef void (*fn)(GLenum func, GLint ref, GLuint mask); // ((fn)(fnptr))(func, ref, mask); // } // static void glowStencilOpSeparate(uintptr_t fnptr, GLenum face, GLenum fail, GLenum zfail, GLenum zpass) { // typedef void (*fn)(GLenum face, GLenum fail, GLenum zfail, GLenum zpass); // ((fn)(fnptr))(face, fail, zfail, zpass); // } // static void glowTexImage2D(uintptr_t fnptr, GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void* pixels) { // typedef void (*fn)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void* pixels); // ((fn)(fnptr))(target, level, internalformat, width, height, border, format, type, pixels); // } // static void glowTexParameteri(uintptr_t fnptr, GLenum target, GLenum pname, GLint param) { // typedef void (*fn)(GLenum target, GLenum pname, GLint param); // ((fn)(fnptr))(target, pname, param); // } // static void glowTexSubImage2D(uintptr_t fnptr, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels) { // typedef void (*fn)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels); // ((fn)(fnptr))(target, level, xoffset, yoffset, width, height, format, type, pixels); // } // static void glowUniform1fv(uintptr_t fnptr, GLint location, GLsizei count, const GLfloat* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLfloat* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniform1i(uintptr_t fnptr, GLint location, GLint v0) { // typedef void (*fn)(GLint location, GLint v0); // ((fn)(fnptr))(location, v0); // } // static void glowUniform1iv(uintptr_t fnptr, GLint location, GLsizei count, const GLint* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLint* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniform2fv(uintptr_t fnptr, GLint location, GLsizei count, const GLfloat* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLfloat* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniform2iv(uintptr_t fnptr, GLint location, GLsizei count, const GLint* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLint* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniform3fv(uintptr_t fnptr, GLint location, GLsizei count, const GLfloat* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLfloat* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniform3iv(uintptr_t fnptr, GLint location, GLsizei count, const GLint* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLint* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniform4fv(uintptr_t fnptr, GLint location, GLsizei count, const GLfloat* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLfloat* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniform4iv(uintptr_t fnptr, GLint location, GLsizei count, const GLint* value) { // typedef void (*fn)(GLint location, GLsizei count, const GLint* value); // ((fn)(fnptr))(location, count, value); // } // static void glowUniformMatrix2fv(uintptr_t fnptr, GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { // typedef void (*fn)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); // ((fn)(fnptr))(location, count, transpose, value); // } // static void glowUniformMatrix3fv(uintptr_t fnptr, GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { // typedef void (*fn)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); // ((fn)(fnptr))(location, count, transpose, value); // } // static void glowUniformMatrix4fv(uintptr_t fnptr, GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { // typedef void (*fn)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); // ((fn)(fnptr))(location, count, transpose, value); // } // static void glowUseProgram(uintptr_t fnptr, GLuint program) { // typedef void (*fn)(GLuint program); // ((fn)(fnptr))(program); // } // static void glowVertexAttribPointer(uintptr_t fnptr, GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const uintptr_t pointer) { // typedef void (*fn)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const uintptr_t pointer); // ((fn)(fnptr))(index, size, type, normalized, stride, pointer); // } // static void glowViewport(uintptr_t fnptr, GLint x, GLint y, GLsizei width, GLsizei height) { // typedef void (*fn)(GLint x, GLint y, GLsizei width, GLsizei height); // ((fn)(fnptr))(x, y, width, height); // } import "C" import ( "runtime" "unsafe" ) type defaultContext struct { gpActiveTexture C.uintptr_t gpAttachShader C.uintptr_t gpBindAttribLocation C.uintptr_t gpBindBuffer C.uintptr_t gpBindFramebuffer C.uintptr_t gpBindRenderbuffer C.uintptr_t gpBindTexture C.uintptr_t gpBindVertexArray C.uintptr_t gpBlendEquationSeparate C.uintptr_t gpBlendFuncSeparate C.uintptr_t gpBufferData C.uintptr_t gpBufferSubData C.uintptr_t gpCheckFramebufferStatus C.uintptr_t gpClear C.uintptr_t gpColorMask C.uintptr_t gpCompileShader C.uintptr_t gpCreateProgram C.uintptr_t gpCreateShader C.uintptr_t gpDeleteBuffers C.uintptr_t gpDeleteFramebuffers C.uintptr_t gpDeleteProgram C.uintptr_t gpDeleteRenderbuffers C.uintptr_t gpDeleteShader C.uintptr_t gpDeleteTextures C.uintptr_t gpDeleteVertexArrays C.uintptr_t gpDisable C.uintptr_t gpDisableVertexAttribArray C.uintptr_t gpDrawBuffers C.uintptr_t gpDrawElements C.uintptr_t gpEnable C.uintptr_t gpEnableVertexAttribArray C.uintptr_t gpFlush C.uintptr_t gpFramebufferRenderbuffer C.uintptr_t gpFramebufferTexture2D C.uintptr_t gpGenBuffers C.uintptr_t gpGenFramebuffers C.uintptr_t gpGenRenderbuffers C.uintptr_t gpGenTextures C.uintptr_t gpGenVertexArrays C.uintptr_t gpGetError C.uintptr_t gpGetIntegerv C.uintptr_t gpGetProgramInfoLog C.uintptr_t gpGetProgramiv C.uintptr_t gpGetShaderInfoLog C.uintptr_t gpGetShaderiv C.uintptr_t gpGetUniformLocation C.uintptr_t gpIsFramebuffer C.uintptr_t gpIsProgram C.uintptr_t gpIsRenderbuffer C.uintptr_t gpLinkProgram C.uintptr_t gpPixelStorei C.uintptr_t gpReadPixels C.uintptr_t gpRenderbufferStorage C.uintptr_t gpScissor C.uintptr_t gpShaderSource C.uintptr_t gpStencilFunc C.uintptr_t gpStencilOpSeparate C.uintptr_t gpTexImage2D C.uintptr_t gpTexParameteri C.uintptr_t gpTexSubImage2D C.uintptr_t gpUniform1fv C.uintptr_t gpUniform1i C.uintptr_t gpUniform1iv C.uintptr_t gpUniform2fv C.uintptr_t gpUniform2iv C.uintptr_t gpUniform3fv C.uintptr_t gpUniform3iv C.uintptr_t gpUniform4fv C.uintptr_t gpUniform4iv C.uintptr_t gpUniformMatrix2fv C.uintptr_t gpUniformMatrix3fv C.uintptr_t gpUniformMatrix4fv C.uintptr_t gpUseProgram C.uintptr_t gpVertexAttribPointer C.uintptr_t gpViewport C.uintptr_t isES bool } func NewDefaultContext() (Context, error) { ctx := &defaultContext{} if err := ctx.init(); err != nil { return nil, err } return ctx, nil } func boolToInt(b bool) int { if b { return 1 } return 0 } func (c *defaultContext) IsES() bool { return c.isES } func (c *defaultContext) ActiveTexture(texture uint32) { C.glowActiveTexture(c.gpActiveTexture, C.GLenum(texture)) } func (c *defaultContext) AttachShader(program uint32, shader uint32) { C.glowAttachShader(c.gpAttachShader, C.GLuint(program), C.GLuint(shader)) } func (c *defaultContext) BindAttribLocation(program uint32, index uint32, name string) { cname := C.CString(name) defer C.free(unsafe.Pointer(cname)) C.glowBindAttribLocation(c.gpBindAttribLocation, C.GLuint(program), C.GLuint(index), (*C.GLchar)(unsafe.Pointer(cname))) } func (c *defaultContext) BindBuffer(target uint32, buffer uint32) { C.glowBindBuffer(c.gpBindBuffer, C.GLenum(target), C.GLuint(buffer)) } func (c *defaultContext) BindFramebuffer(target uint32, framebuffer uint32) { C.glowBindFramebuffer(c.gpBindFramebuffer, C.GLenum(target), C.GLuint(framebuffer)) } func (c *defaultContext) BindRenderbuffer(target uint32, renderbuffer uint32) { C.glowBindRenderbuffer(c.gpBindRenderbuffer, C.GLenum(target), C.GLuint(renderbuffer)) } func (c *defaultContext) BindTexture(target uint32, texture uint32) { C.glowBindTexture(c.gpBindTexture, C.GLenum(target), C.GLuint(texture)) } func (c *defaultContext) BindVertexArray(array uint32) { C.glowBindVertexArray(c.gpBindVertexArray, C.GLuint(array)) } func (c *defaultContext) BlendEquationSeparate(modeRGB uint32, modeAlpha uint32) { C.glowBlendEquationSeparate(c.gpBlendEquationSeparate, C.GLenum(modeRGB), C.GLenum(modeAlpha)) } func (c *defaultContext) BlendFuncSeparate(srcRGB uint32, dstRGB uint32, srcAlpha uint32, dstAlpha uint32) { C.glowBlendFuncSeparate(c.gpBlendFuncSeparate, C.GLenum(srcRGB), C.GLenum(dstRGB), C.GLenum(srcAlpha), C.GLenum(dstAlpha)) } func (c *defaultContext) BufferInit(target uint32, size int, usage uint32) { C.glowBufferData(c.gpBufferData, C.GLenum(target), C.GLsizeiptr(size), nil, C.GLenum(usage)) } func (c *defaultContext) BufferSubData(target uint32, offset int, data []byte) { C.glowBufferSubData(c.gpBufferSubData, C.GLenum(target), C.GLintptr(offset), C.GLsizeiptr(len(data)), unsafe.Pointer(&data[0])) runtime.KeepAlive(data) } func (c *defaultContext) CheckFramebufferStatus(target uint32) uint32 { ret := C.glowCheckFramebufferStatus(c.gpCheckFramebufferStatus, C.GLenum(target)) return uint32(ret) } func (c *defaultContext) Clear(mask uint32) { C.glowClear(c.gpClear, C.GLbitfield(mask)) } func (c *defaultContext) ColorMask(red bool, green bool, blue bool, alpha bool) { C.glowColorMask(c.gpColorMask, C.GLboolean(boolToInt(red)), C.GLboolean(boolToInt(green)), C.GLboolean(boolToInt(blue)), C.GLboolean(boolToInt(alpha))) } func (c *defaultContext) CompileShader(shader uint32) { C.glowCompileShader(c.gpCompileShader, C.GLuint(shader)) } func (c *defaultContext) CreateBuffer() uint32 { var buffer uint32 C.glowGenBuffers(c.gpGenBuffers, 1, (*C.GLuint)(unsafe.Pointer(&buffer))) return buffer } func (c *defaultContext) CreateFramebuffer() uint32 { var framebuffer uint32 C.glowGenFramebuffers(c.gpGenFramebuffers, 1, (*C.GLuint)(unsafe.Pointer(&framebuffer))) return framebuffer } func (c *defaultContext) CreateProgram() uint32 { ret := C.glowCreateProgram(c.gpCreateProgram) return uint32(ret) } func (c *defaultContext) CreateRenderbuffer() uint32 { var renderbuffer uint32 C.glowGenRenderbuffers(c.gpGenRenderbuffers, 1, (*C.GLuint)(unsafe.Pointer(&renderbuffer))) return renderbuffer } func (c *defaultContext) CreateShader(xtype uint32) uint32 { ret := C.glowCreateShader(c.gpCreateShader, C.GLenum(xtype)) return uint32(ret) } func (c *defaultContext) CreateTexture() uint32 { var texture uint32 C.glowGenTextures(c.gpGenTextures, 1, (*C.GLuint)(unsafe.Pointer(&texture))) return texture } func (c *defaultContext) CreateVertexArray() uint32 { var array uint32 C.glowGenVertexArrays(c.gpGenVertexArrays, 1, (*C.GLuint)(unsafe.Pointer(&array))) return array } func (c *defaultContext) DeleteBuffer(buffer uint32) { C.glowDeleteBuffers(c.gpDeleteBuffers, 1, (*C.GLuint)(unsafe.Pointer(&buffer))) } func (c *defaultContext) DeleteFramebuffer(framebuffer uint32) { C.glowDeleteFramebuffers(c.gpDeleteFramebuffers, 1, (*C.GLuint)(unsafe.Pointer(&framebuffer))) } func (c *defaultContext) DeleteProgram(program uint32) { C.glowDeleteProgram(c.gpDeleteProgram, C.GLuint(program)) } func (c *defaultContext) DeleteRenderbuffer(renderbuffer uint32) { C.glowDeleteRenderbuffers(c.gpDeleteRenderbuffers, 1, (*C.GLuint)(unsafe.Pointer(&renderbuffer))) } func (c *defaultContext) DeleteShader(shader uint32) { C.glowDeleteShader(c.gpDeleteShader, C.GLuint(shader)) } func (c *defaultContext) DeleteTexture(texture uint32) { C.glowDeleteTextures(c.gpDeleteTextures, 1, (*C.GLuint)(unsafe.Pointer(&texture))) } func (c *defaultContext) DeleteVertexArray(array uint32) { C.glowDeleteVertexArrays(c.gpDeleteVertexArrays, 1, (*C.GLuint)(unsafe.Pointer(&array))) } func (c *defaultContext) Disable(cap uint32) { C.glowDisable(c.gpDisable, C.GLenum(cap)) } func (c *defaultContext) DisableVertexAttribArray(index uint32) { C.glowDisableVertexAttribArray(c.gpDisableVertexAttribArray, C.GLuint(index)) } func (c *defaultContext) DrawBuffers(bufs []uint32) { C.glowDrawBuffers(c.gpDrawBuffers, C.GLsizei(len(bufs)), (*C.GLenum)(unsafe.Pointer(&bufs[0]))) } func (c *defaultContext) DrawElements(mode uint32, count int32, xtype uint32, offset int) { C.glowDrawElements(c.gpDrawElements, C.GLenum(mode), C.GLsizei(count), C.GLenum(xtype), C.uintptr_t(offset)) } func (c *defaultContext) Enable(cap uint32) { C.glowEnable(c.gpEnable, C.GLenum(cap)) } func (c *defaultContext) EnableVertexAttribArray(index uint32) { C.glowEnableVertexAttribArray(c.gpEnableVertexAttribArray, C.GLuint(index)) } func (c *defaultContext) Flush() { C.glowFlush(c.gpFlush) } func (c *defaultContext) FramebufferRenderbuffer(target uint32, attachment uint32, renderbuffertarget uint32, renderbuffer uint32) { C.glowFramebufferRenderbuffer(c.gpFramebufferRenderbuffer, C.GLenum(target), C.GLenum(attachment), C.GLenum(renderbuffertarget), C.GLuint(renderbuffer)) } func (c *defaultContext) FramebufferTexture2D(target uint32, attachment uint32, textarget uint32, texture uint32, level int32) { C.glowFramebufferTexture2D(c.gpFramebufferTexture2D, C.GLenum(target), C.GLenum(attachment), C.GLenum(textarget), C.GLuint(texture), C.GLint(level)) } func (c *defaultContext) GetError() uint32 { ret := C.glowGetError(c.gpGetError) return uint32(ret) } func (c *defaultContext) GetInteger(pname uint32) int { var dst int32 C.glowGetIntegerv(c.gpGetIntegerv, C.GLenum(pname), (*C.GLint)(unsafe.Pointer(&dst))) return int(dst) } func (c *defaultContext) GetProgramInfoLog(program uint32) string { bufSize := c.GetProgrami(program, INFO_LOG_LENGTH) infoLog := make([]byte, bufSize) C.glowGetProgramInfoLog(c.gpGetProgramInfoLog, C.GLuint(program), C.GLsizei(bufSize), nil, (*C.GLchar)(unsafe.Pointer(&infoLog[0]))) return string(infoLog) } func (c *defaultContext) GetProgrami(program uint32, pname uint32) int { var dst int32 C.glowGetProgramiv(c.gpGetProgramiv, C.GLuint(program), C.GLenum(pname), (*C.GLint)(unsafe.Pointer(&dst))) return int(dst) } func (c *defaultContext) GetShaderInfoLog(shader uint32) string { bufSize := c.GetShaderi(shader, INFO_LOG_LENGTH) infoLog := make([]byte, bufSize) C.glowGetShaderInfoLog(c.gpGetShaderInfoLog, C.GLuint(shader), C.GLsizei(bufSize), nil, (*C.GLchar)(unsafe.Pointer(&infoLog[0]))) return string(infoLog) } func (c *defaultContext) GetShaderi(shader uint32, pname uint32) int { var dst int32 C.glowGetShaderiv(c.gpGetShaderiv, C.GLuint(shader), C.GLenum(pname), (*C.GLint)(unsafe.Pointer(&dst))) return int(dst) } func (c *defaultContext) GetUniformLocation(program uint32, name string) int32 { cname := C.CString(name) defer C.free(unsafe.Pointer(cname)) ret := C.glowGetUniformLocation(c.gpGetUniformLocation, C.GLuint(program), (*C.GLchar)(unsafe.Pointer(cname))) return int32(ret) } func (c *defaultContext) IsFramebuffer(framebuffer uint32) bool { ret := C.glowIsFramebuffer(c.gpIsFramebuffer, C.GLuint(framebuffer)) return ret == TRUE } func (c *defaultContext) IsProgram(program uint32) bool { ret := C.glowIsProgram(c.gpIsProgram, C.GLuint(program)) return ret == TRUE } func (c *defaultContext) IsRenderbuffer(renderbuffer uint32) bool { ret := C.glowIsRenderbuffer(c.gpIsRenderbuffer, C.GLuint(renderbuffer)) return ret == TRUE } func (c *defaultContext) LinkProgram(program uint32) { C.glowLinkProgram(c.gpLinkProgram, C.GLuint(program)) } func (c *defaultContext) PixelStorei(pname uint32, param int32) { C.glowPixelStorei(c.gpPixelStorei, C.GLenum(pname), C.GLint(param)) } func (c *defaultContext) ReadPixels(dst []byte, x int32, y int32, width int32, height int32, format uint32, xtype uint32) { C.glowReadPixels(c.gpReadPixels, C.GLint(x), C.GLint(y), C.GLsizei(width), C.GLsizei(height), C.GLenum(format), C.GLenum(xtype), unsafe.Pointer(&dst[0])) } func (c *defaultContext) RenderbufferStorage(target uint32, internalformat uint32, width int32, height int32) { C.glowRenderbufferStorage(c.gpRenderbufferStorage, C.GLenum(target), C.GLenum(internalformat), C.GLsizei(width), C.GLsizei(height)) } func (c *defaultContext) Scissor(x int32, y int32, width int32, height int32) { C.glowScissor(c.gpScissor, C.GLint(x), C.GLint(y), C.GLsizei(width), C.GLsizei(height)) } func (c *defaultContext) ShaderSource(shader uint32, xstring string) { cstring := C.CString(xstring) defer C.free(unsafe.Pointer(cstring)) C.glowShaderSource(c.gpShaderSource, C.GLuint(shader), 1, (**C.GLchar)(unsafe.Pointer(&cstring)), nil) } func (c *defaultContext) StencilFunc(xfunc uint32, ref int32, mask uint32) { C.glowStencilFunc(c.gpStencilFunc, C.GLenum(xfunc), C.GLint(ref), C.GLuint(mask)) } func (c *defaultContext) StencilOpSeparate(face uint32, fail uint32, zfail uint32, zpass uint32) { C.glowStencilOpSeparate(c.gpStencilOpSeparate, C.GLenum(face), C.GLenum(fail), C.GLenum(zfail), C.GLenum(zpass)) } func (c *defaultContext) TexImage2D(target uint32, level int32, internalformat int32, width int32, height int32, format uint32, xtype uint32, pixels []byte) { var ptr *byte if len(pixels) > 0 { ptr = &pixels[0] } C.glowTexImage2D(c.gpTexImage2D, C.GLenum(target), C.GLint(level), C.GLint(internalformat), C.GLsizei(width), C.GLsizei(height), 0, C.GLenum(format), C.GLenum(xtype), unsafe.Pointer(ptr)) runtime.KeepAlive(pixels) } func (c *defaultContext) TexParameteri(target uint32, pname uint32, param int32) { C.glowTexParameteri(c.gpTexParameteri, C.GLenum(target), C.GLenum(pname), C.GLint(param)) } func (c *defaultContext) TexSubImage2D(target uint32, level int32, xoffset int32, yoffset int32, width int32, height int32, format uint32, xtype uint32, pixels []byte) { C.glowTexSubImage2D(c.gpTexSubImage2D, C.GLenum(target), C.GLint(level), C.GLint(xoffset), C.GLint(yoffset), C.GLsizei(width), C.GLsizei(height), C.GLenum(format), C.GLenum(xtype), unsafe.Pointer(&pixels[0])) runtime.KeepAlive(pixels) } func (c *defaultContext) Uniform1fv(location int32, value []float32) { C.glowUniform1fv(c.gpUniform1fv, C.GLint(location), C.GLsizei(len(value)), (*C.GLfloat)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) Uniform1i(location int32, v0 int32) { C.glowUniform1i(c.gpUniform1i, C.GLint(location), C.GLint(v0)) } func (c *defaultContext) Uniform1iv(location int32, value []int32) { C.glowUniform1iv(c.gpUniform1iv, C.GLint(location), C.GLsizei(len(value)), (*C.GLint)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) Uniform2fv(location int32, value []float32) { C.glowUniform2fv(c.gpUniform2fv, C.GLint(location), C.GLsizei(len(value)/2), (*C.GLfloat)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) Uniform2iv(location int32, value []int32) { C.glowUniform2iv(c.gpUniform2iv, C.GLint(location), C.GLsizei(len(value)/2), (*C.GLint)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) Uniform3fv(location int32, value []float32) { C.glowUniform3fv(c.gpUniform3fv, C.GLint(location), C.GLsizei(len(value)/3), (*C.GLfloat)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) Uniform3iv(location int32, value []int32) { C.glowUniform3iv(c.gpUniform3iv, C.GLint(location), C.GLsizei(len(value)/3), (*C.GLint)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) Uniform4fv(location int32, value []float32) { C.glowUniform4fv(c.gpUniform4fv, C.GLint(location), C.GLsizei(len(value)/4), (*C.GLfloat)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) Uniform4iv(location int32, value []int32) { C.glowUniform4iv(c.gpUniform4iv, C.GLint(location), C.GLsizei(len(value)/4), (*C.GLint)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) UniformMatrix2fv(location int32, value []float32) { C.glowUniformMatrix2fv(c.gpUniformMatrix2fv, C.GLint(location), C.GLsizei(len(value)/4), 0, (*C.GLfloat)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) UniformMatrix3fv(location int32, value []float32) { C.glowUniformMatrix3fv(c.gpUniformMatrix3fv, C.GLint(location), C.GLsizei(len(value)/9), 0, (*C.GLfloat)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) UniformMatrix4fv(location int32, value []float32) { C.glowUniformMatrix4fv(c.gpUniformMatrix4fv, C.GLint(location), C.GLsizei(len(value)/16), 0, (*C.GLfloat)(unsafe.Pointer(&value[0]))) runtime.KeepAlive(value) } func (c *defaultContext) UseProgram(program uint32) { C.glowUseProgram(c.gpUseProgram, C.GLuint(program)) } func (c *defaultContext) VertexAttribPointer(index uint32, size int32, xtype uint32, normalized bool, stride int32, offset int) { C.glowVertexAttribPointer(c.gpVertexAttribPointer, C.GLuint(index), C.GLint(size), C.GLenum(xtype), C.GLboolean(boolToInt(normalized)), C.GLsizei(stride), C.uintptr_t(offset)) } func (c *defaultContext) Viewport(x int32, y int32, width int32, height int32) { C.glowViewport(c.gpViewport, C.GLint(x), C.GLint(y), C.GLsizei(width), C.GLsizei(height)) } func (c *defaultContext) LoadFunctions() error { g := procAddressGetter{ctx: c} c.gpActiveTexture = C.uintptr_t(g.get("glActiveTexture")) c.gpAttachShader = C.uintptr_t(g.get("glAttachShader")) c.gpBindAttribLocation = C.uintptr_t(g.get("glBindAttribLocation")) c.gpBindBuffer = C.uintptr_t(g.get("glBindBuffer")) c.gpBindFramebuffer = C.uintptr_t(g.get("glBindFramebuffer")) c.gpBindRenderbuffer = C.uintptr_t(g.get("glBindRenderbuffer")) c.gpBindTexture = C.uintptr_t(g.get("glBindTexture")) c.gpBindVertexArray = C.uintptr_t(g.get("glBindVertexArray")) c.gpBlendEquationSeparate = C.uintptr_t(g.get("glBlendEquationSeparate")) c.gpBlendFuncSeparate = C.uintptr_t(g.get("glBlendFuncSeparate")) c.gpBufferData = C.uintptr_t(g.get("glBufferData")) c.gpBufferSubData = C.uintptr_t(g.get("glBufferSubData")) c.gpCheckFramebufferStatus = C.uintptr_t(g.get("glCheckFramebufferStatus")) c.gpClear = C.uintptr_t(g.get("glClear")) c.gpColorMask = C.uintptr_t(g.get("glColorMask")) c.gpCompileShader = C.uintptr_t(g.get("glCompileShader")) c.gpCreateProgram = C.uintptr_t(g.get("glCreateProgram")) c.gpCreateShader = C.uintptr_t(g.get("glCreateShader")) c.gpDeleteBuffers = C.uintptr_t(g.get("glDeleteBuffers")) c.gpDeleteFramebuffers = C.uintptr_t(g.get("glDeleteFramebuffers")) c.gpDeleteProgram = C.uintptr_t(g.get("glDeleteProgram")) c.gpDeleteRenderbuffers = C.uintptr_t(g.get("glDeleteRenderbuffers")) c.gpDeleteShader = C.uintptr_t(g.get("glDeleteShader")) c.gpDeleteTextures = C.uintptr_t(g.get("glDeleteTextures")) c.gpDeleteVertexArrays = C.uintptr_t(g.get("glDeleteVertexArrays")) c.gpDisable = C.uintptr_t(g.get("glDisable")) c.gpDisableVertexAttribArray = C.uintptr_t(g.get("glDisableVertexAttribArray")) c.gpDrawBuffers = C.uintptr_t(g.get("glDrawBuffers")) c.gpDrawElements = C.uintptr_t(g.get("glDrawElements")) c.gpEnable = C.uintptr_t(g.get("glEnable")) c.gpEnableVertexAttribArray = C.uintptr_t(g.get("glEnableVertexAttribArray")) c.gpFlush = C.uintptr_t(g.get("glFlush")) c.gpFramebufferRenderbuffer = C.uintptr_t(g.get("glFramebufferRenderbuffer")) c.gpFramebufferTexture2D = C.uintptr_t(g.get("glFramebufferTexture2D")) c.gpGenBuffers = C.uintptr_t(g.get("glGenBuffers")) c.gpGenFramebuffers = C.uintptr_t(g.get("glGenFramebuffers")) c.gpGenRenderbuffers = C.uintptr_t(g.get("glGenRenderbuffers")) c.gpGenTextures = C.uintptr_t(g.get("glGenTextures")) c.gpGenVertexArrays = C.uintptr_t(g.get("glGenVertexArrays")) c.gpGetError = C.uintptr_t(g.get("glGetError")) c.gpGetIntegerv = C.uintptr_t(g.get("glGetIntegerv")) c.gpGetProgramInfoLog = C.uintptr_t(g.get("glGetProgramInfoLog")) c.gpGetProgramiv = C.uintptr_t(g.get("glGetProgramiv")) c.gpGetShaderInfoLog = C.uintptr_t(g.get("glGetShaderInfoLog")) c.gpGetShaderiv = C.uintptr_t(g.get("glGetShaderiv")) c.gpGetUniformLocation = C.uintptr_t(g.get("glGetUniformLocation")) c.gpIsFramebuffer = C.uintptr_t(g.get("glIsFramebuffer")) c.gpIsProgram = C.uintptr_t(g.get("glIsProgram")) c.gpIsRenderbuffer = C.uintptr_t(g.get("glIsRenderbuffer")) c.gpLinkProgram = C.uintptr_t(g.get("glLinkProgram")) c.gpPixelStorei = C.uintptr_t(g.get("glPixelStorei")) c.gpReadPixels = C.uintptr_t(g.get("glReadPixels")) c.gpRenderbufferStorage = C.uintptr_t(g.get("glRenderbufferStorage")) c.gpScissor = C.uintptr_t(g.get("glScissor")) c.gpShaderSource = C.uintptr_t(g.get("glShaderSource")) c.gpStencilFunc = C.uintptr_t(g.get("glStencilFunc")) c.gpStencilOpSeparate = C.uintptr_t(g.get("glStencilOpSeparate")) c.gpTexImage2D = C.uintptr_t(g.get("glTexImage2D")) c.gpTexParameteri = C.uintptr_t(g.get("glTexParameteri")) c.gpTexSubImage2D = C.uintptr_t(g.get("glTexSubImage2D")) c.gpUniform1fv = C.uintptr_t(g.get("glUniform1fv")) c.gpUniform1i = C.uintptr_t(g.get("glUniform1i")) c.gpUniform1iv = C.uintptr_t(g.get("glUniform1iv")) c.gpUniform2fv = C.uintptr_t(g.get("glUniform2fv")) c.gpUniform2iv = C.uintptr_t(g.get("glUniform2iv")) c.gpUniform3fv = C.uintptr_t(g.get("glUniform3fv")) c.gpUniform3iv = C.uintptr_t(g.get("glUniform3iv")) c.gpUniform4fv = C.uintptr_t(g.get("glUniform4fv")) c.gpUniform4iv = C.uintptr_t(g.get("glUniform4iv")) c.gpUniformMatrix2fv = C.uintptr_t(g.get("glUniformMatrix2fv")) c.gpUniformMatrix3fv = C.uintptr_t(g.get("glUniformMatrix3fv")) c.gpUniformMatrix4fv = C.uintptr_t(g.get("glUniformMatrix4fv")) c.gpUseProgram = C.uintptr_t(g.get("glUseProgram")) c.gpVertexAttribPointer = C.uintptr_t(g.get("glVertexAttribPointer")) c.gpViewport = C.uintptr_t(g.get("glViewport")) return g.error() }