本文整理汇总了Golang中C.glBufferData函数的典型用法代码示例。如果您正苦于以下问题:Golang glBufferData函数的具体用法?Golang glBufferData怎么用?Golang glBufferData使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了glBufferData函数的14个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: BufferInit
func BufferInit(target Enum, size int, usage Enum) {
defer func() {
errstr := errDrain()
log.Printf("gl.BufferInit(%v, %v, %v) %v", target, size, usage, errstr)
}()
C.glBufferData(target.c(), C.GLsizeiptr(size), nil, usage.c())
}
示例2: BufferData
func BufferData(target Enum, usage Enum, src []byte) {
defer func() {
errstr := errDrain()
log.Printf("gl.BufferData(%v, %v, len(%d)) %v", target, usage, len(src), errstr)
}()
C.glBufferData(target.c(), C.GLsizeiptr(len(src)), unsafe.Pointer(&src[0]), usage.c())
}
示例3: Set
// Set calls glBufferData with appropriate arguments to load the data pointed to by data into the buffer. usage is passed along verbatim. targ is used for binding and it should most likely be ARRAY_BUFFER.
func (buf *Buffer) Set(targ int, data interface{}, usage int) {
buf.Bind(targ)
p, t, ts, s := toCtype(data)
C.glBufferData(C.GLenum(targ), C.GLsizeiptr(s), p, C.GLenum(usage))
buf.t = t
buf.ts = ts
buf.Unbind(targ)
}
示例4: BufferData
// BufferData uses glBufferData to allocate memory for the bound GL buffer,
// and fills it with the data in slice. slice can be either a slice or pointer.
// Behaviour is undefined if the underlying data type is or contains anything
// other than sized numeric types. (Structs and arrays are okay as long as they're
// of sized numeric types. Pointers and slices are only allowed at the topmost level.)
func BufferData(target GLenum, slice interface{}, usage GLenum) error {
data, e := sliceToUintptr(slice)
if e != nil {
return e
}
C.glBufferData(C.GLenum(target), C.GLsizeiptr(data.Size*data.Length), unsafe.Pointer(data.Ptr), C.GLenum(usage))
return nil
}
示例5: BufferData
func BufferData(
target Enum, size SizeiPtr,
data Void, usage Enum) {
C.glBufferData(
C.GLenum(target),
C.GLsizeiptr(size),
unsafe.Pointer(data),
C.GLenum(usage))
}
示例6: initGL
func (game *game) initGL() {
log.Printf("GL_VERSION: %v GL_RENDERER: %v GL_VENDOR %v\n",
GetString(C.GL_VERSION), GetString(C.GL_RENDERER), GetString(C.GL_VENDOR))
log.Printf("GL_EXTENSIONS: %v\n", GetString(C.GL_EXTENSIONS))
C.glClearColor(0.0, 0.0, 0.0, 1.0)
C.glEnable(C.GL_CULL_FACE)
C.glEnable(C.GL_DEPTH_TEST)
game.prog = createProgram(vertShaderSrcDef, fragShaderSrcDef)
posAttrib := attribLocation(game.prog, "vPosition")
game.offsetUni = uniformLocation(game.prog, "offset")
game.colorUni = uniformLocation(game.prog, "color")
C.glUseProgram(game.prog)
C.glEnableVertexAttribArray(C.GLuint(posAttrib))
vertVBO := GenBuffer()
checkGLError()
C.glBindBuffer(C.GL_ARRAY_BUFFER, vertVBO)
verts := []float32{.0, 0.5, -0.5, -0.5, 0.5, -0.5}
C.glBufferData(C.GL_ARRAY_BUFFER, C.GLsizeiptr(len(verts)*int(unsafe.Sizeof(verts[0]))), unsafe.Pointer(&verts[0]), C.GL_STATIC_DRAW)
C.glVertexAttribPointer(C.GLuint(posAttrib), 2, C.GL_FLOAT, C.GL_FALSE, 0, unsafe.Pointer(uintptr(0)))
}
示例7: BufferInit
func BufferInit(target Enum, size int, usage Enum) {
C.glBufferData(target.c(), C.GLsizeiptr(size), nil, usage.c())
}
示例8: BufferData
func BufferData(target Enum, size int, src unsafe.Pointer, usage Enum) {
C.glBufferData(target.c(), C.GLsizeiptr(size), src, usage.c())
}
示例9: BufferData
func BufferData(target BufferTarget, size int, usage BufferUsage) {
C.glBufferData(C.GLenum(target), C.GLsizeiptr(size), nil, C.GLenum(usage))
}
示例10: BufferDataf
func BufferDataf(target BufferTarget, data []float32, usage BufferUsage) {
C.glBufferData(C.GLenum(target), C.GLsizeiptr(unsafe.Sizeof(data[0])*uintptr(len(data))), unsafe.Pointer(&data[0]), C.GLenum(usage))
}
示例11: BufferData
func BufferData(target uint, size int, data Void, usage uint) {
C.glBufferData(
C.GLenum(target), C.GLsizeiptr(size),
unsafe.Pointer(data), C.GLenum(usage))
}
示例12: BufferData
// Creates and initializes a buffer object's data store
func BufferData(target GLenum, size int, data interface{}, usage GLenum) {
C.glBufferData(C.GLenum(target), C.GLsizeiptr(size), ptr(data), C.GLenum(usage))
}
示例13: BufferData
func BufferData(target Enum, src []byte, usage Enum) {
C.glBufferData(target.c(), C.GLsizeiptr(len(src)), unsafe.Pointer(&src[0]), usage.c())
}
示例14: BufferData
// BufferData creates and initializes a buffer object's data store.
func BufferData(targ BufferTarget, data interface{}, usage BufferDataUsage) {
_, sz, ptr := rawData(data)
C.glBufferData(C.GLenum(targ), C.GLsizeiptr(sz), ptr, C.GLenum(usage))
}