本文整理汇总了Golang中C.glGetIntegerv函数的典型用法代码示例。如果您正苦于以下问题：Golang glGetIntegerv函数的具体用法？Golang glGetIntegerv怎么用？Golang glGetIntegerv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glGetIntegerv函数的15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: GetShaderBinaryFormats
func GetShaderBinaryFormats() (formats []ShaderBinaryFormat) {
numFormats := C.GLint(0)
C.glGetIntegerv(C.GL_NUM_SHADER_BINARY_FORMATS, &numFormats)
if numFormats > 0 {
formats = make([]ShaderBinaryFormat, numFormats)
C.glGetIntegerv(C.GL_SHADER_BINARY_FORMATS, (*C.GLint)(&formats[0]))
}
return
}示例2: ReadAlpha
func ReadAlpha(image *image.Alpha) {
alignment := C.GLint(0)
C.glGetIntegerv(C.GL_PACK_ALIGNMENT, &alignment)
align := C.GLint(1)
for align < alignment && image.Stride%(int(align)*2) == 0 {
align *= 2
}
// need smaller alignment
if align < alignment {
C.glPixelStorei(C.GL_PACK_ALIGNMENT, align)
}
C.glReadPixels(C.GLint(image.Rect.Min.X), C.GLint(image.Rect.Min.Y),
C.GLsizei(image.Rect.Dx()), C.GLsizei(image.Rect.Dy()),
C.GL_ALPHA, C.GL_UNSIGNED_BYTE, unsafe.Pointer(&image.Pix[0]))
// restore alignment
if align < alignment {
C.glPixelStorei(C.GL_PACK_ALIGNMENT, alignment)
}
}示例3: GetIntegerv
func GetIntegerv(pname Enum, data []int32) {
buf := make([]C.GLint, len(data))
C.glGetIntegerv(pname.c(), &buf[0])
for i, v := range buf {
data[i] = int32(v)
}
}示例4: GetInteger4
// Convenience function for glGetIntegerv
func GetInteger4(pname GLenum) (v0, v1, v2, v3 int) {
var values [4]C.GLint
C.glGetIntegerv(C.GLenum(pname), &values[0])
v0 = int(values[0])
v1 = int(values[1])
v2 = int(values[2])
v3 = int(values[3])
return
}示例5: GetInteger
func GetInteger(pname Enum) (r0 int) {
defer func() {
errstr := errDrain()
log.Printf("gl.GetInteger(%v) %v%v", pname, r0, errstr)
}()
var v C.GLint
C.glGetIntegerv(pname.c(), &v)
return int(v)
}示例6: GetIntegerv
func GetIntegerv(targ int, size int) (data []int) {
data = make([]int, 4)
var p []C.GLint = make([]C.GLint, size)
C.glGetIntegerv(C.GLenum(targ), &p[0])
for i := 0; i < size; i++ {
data[i] = int(p[i])
}
return
}示例7: GetIntegerv
func GetIntegerv(pname Enum, data []int32) {
defer func() {
errstr := errDrain()
log.Printf("gl.GetIntegerv(%v, %v) %v", pname, data, errstr)
}()
buf := make([]C.GLint, len(data))
C.glGetIntegerv(pname.c(), &buf[0])
for i, v := range buf {
data[i] = int32(v)
}
}示例8: adjustUnpackAlignment
func adjustUnpackAlignment(stride int) C.GLint {
alignment := C.GLint(0)
C.glGetIntegerv(C.GL_UNPACK_ALIGNMENT, &alignment)
align := C.GLint(1)
for align < alignment && stride%(int(align)*2) == 0 {
align *= 2
}
// need smaller alignment
if align < alignment {
C.glPixelStorei(C.GL_UNPACK_ALIGNMENT, align)
// return old alignment
return alignment
} else {
return 0
}
}示例9: ReadRGBA
func ReadRGBA(image *image.NRGBA) {
alignment := C.GLint(0)
C.glGetIntegerv(C.GL_PACK_ALIGNMENT, &alignment)
align := image.Stride % int(alignment) // align: 4 or 0
// need smaller alignment
if align > 0 {
C.glPixelStorei(C.GL_PACK_ALIGNMENT, C.GLint(align))
}
C.glReadPixels(C.GLint(image.Rect.Min.X), C.GLint(image.Rect.Min.Y),
C.GLsizei(image.Rect.Dx()), C.GLsizei(image.Rect.Dy()),
C.GL_RGBA, C.GL_UNSIGNED_BYTE, unsafe.Pointer(&image.Pix[0]))
// restore alignment
if align > 0 {
C.glPixelStorei(C.GL_PACK_ALIGNMENT, alignment)
}
}示例10: GetIntegerv
func GetIntegerv(
pname Enum, params *int32) {
C.glGetIntegerv(
C.GLenum(pname),
(*C.GLint)(params))
}示例11: GetReadFramebufferBinding
func GetReadFramebufferBinding() Framebuffer {
framebuffer := C.GLint(0)
C.glGetIntegerv(C.GL_READ_FRAMEBUFFER_BINDING, &framebuffer)
return Framebuffer(framebuffer)
}示例12: GetDrawFramebufferBinding
func GetDrawFramebufferBinding() Framebuffer {
framebuffer := C.GLint(0)
C.glGetIntegerv(C.GL_DRAW_FRAMEBUFFER_BINDING, &framebuffer)
return Framebuffer(framebuffer)
}示例13: GetViewport
func GetViewport() (int, int, int, int) {
data := [4]C.GLint{0, 0, 0, 0}
C.glGetIntegerv(C.GL_VIEWPORT, &data[0])
return int(data[0]), int(data[1]), int(data[2]), int(data[3])
}示例14: GetIntegerv
func GetIntegerv(index uint, v1 *int) {
C.glGetIntegerv(C.GLenum(index), (*C.GLint)(Pointer(v1)))
}示例15: GetInteger
func GetInteger(pname Enum) int {
var v C.GLint
C.glGetIntegerv(pname.c(), &v)
return int(v)
}