void Texture::copySubImage1D( GLint x, GLint y, GLsizei width, GLint xoffset )
{
KVS_ASSERT( m_target == GL_TEXTURE_1D );
KVS_ASSERT( this->isBound() );
const GLint level = 0; // level-of-detail number
KVS_GL_CALL( glCopyTexSubImage1D( m_target, level, xoffset, x, y, width ) );
}
virtual void renderFinished(const Camera*)
{
GLCHECK4()
CHECK(texture()->dimension() == TD_TEXTURE_1D)
glDrawBuffer(drawBuffer()); GLCHECK4()
glBindTexture(TD_TEXTURE_1D, texture()->handle() ); GLCHECK4()
glCopyTexSubImage1D(TD_TEXTURE_1D, level(), xoffset(), x(), y(), width()); GLCHECK4()
glBindTexture(TD_TEXTURE_1D, 0 ); GLCHECK4()
}
void GL::Texture::copySubImage1D(TextureTarget target, GLint level,
GLint xOffset,
GLint x, GLint y,
GLsizei width)
{
glCopyTexSubImage1D(GLenum(target), level,
xOffset,
x, y,
width);
}
void __glXDisp_CopyTexSubImage1D(GLbyte *pc)
{
glCopyTexSubImage1D(
*(GLenum *)(pc + 0),
*(GLint *)(pc + 4),
*(GLint *)(pc + 8),
*(GLint *)(pc + 12),
*(GLint *)(pc + 16),
*(GLsizei *)(pc + 20)
);
}
void CTexture::UpdateCopy(int x, int y, int nWidth, int nHeight, int nOffx, int nOffy, int nOffz)
{
Bind();
switch(m_nType)
{
case GL_TEXTURE_1D:
glCopyTexSubImage1D(GL_TEXTURE_1D, 0, nOffx, x, y, nWidth);
break;
case GL_TEXTURE_2D:
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, nOffx, nOffy, x, y, nWidth, nHeight);
break;
}
}
void GLTextureBuffer::copyFromFramebuffer(UINT32 zoffset)
{
glBindTexture(mTarget, mTextureID);
switch(mTarget)
{
case GL_TEXTURE_1D:
glCopyTexSubImage1D(mFaceTarget, mLevel, 0, 0, 0, mWidth);
break;
case GL_TEXTURE_2D:
case GL_TEXTURE_CUBE_MAP:
glCopyTexSubImage2D(mFaceTarget, mLevel, 0, 0, 0, 0, mWidth, mHeight);
break;
case GL_TEXTURE_3D:
glCopyTexSubImage3D(mFaceTarget, mLevel, 0, 0, zoffset, 0, 0, mWidth, mHeight);
break;
}
}
// For GLX, we implement wglBindTexARB() as a copy operation.
// We copy the pbuffer image to the currently bound texture.
// If there's any rendering to the pbuffer before the wglReleaseTexImage()
// call, the results are undefined (and permitted by the extension spec).
//
// The spec says that glTexImage and glCopyTexImage calls which effect
// the pbuffer/texture should not be allowed, but we do not enforce that.
//
// The spec says that when a pbuffer is released from the texture that
// the contents do not have to be preserved. But that's what will happen
// since we're copying here.
bool
bindTexImage(Drawable *pBuffer, int iBuffer) {
GLint readBufSave;
GLint width, height;
assert(pBuffer->pbuffer);
// Save the current drawing surface and bind the pbuffer surface
GLXDrawable prevDrawable = glXGetCurrentDrawable();
GLXContext prevContext = glXGetCurrentContext();
GlxDrawable *glxPBuffer = static_cast<GlxDrawable *>(pBuffer);
glXMakeCurrent(display, glxPBuffer->drawable, prevContext);
glGetIntegerv(GL_READ_BUFFER, &readBufSave);
assert(iBuffer == GL_FRONT_LEFT ||
iBuffer == GL_BACK_LEFT ||
iBuffer == GL_FRONT_RIGHT ||
iBuffer == GL_BACK_RIGHT ||
iBuffer == GL_AUX0);
// set src buffer
glReadBuffer(iBuffer);
// Just copy image from pbuffer to texture
switch (pBuffer->pbInfo.texTarget) {
case GL_TEXTURE_1D:
glGetTexLevelParameteriv(GL_TEXTURE_1D, pBuffer->mipmapLevel,
GL_TEXTURE_WIDTH, &width);
if (width == pBuffer->width) {
// replace existing texture
glCopyTexSubImage1D(GL_TEXTURE_1D,
pBuffer->mipmapLevel,
0, // xoffset
0, 0, // x, y
pBuffer->width);
} else {
// define initial texture
glCopyTexImage1D(GL_TEXTURE_1D,
pBuffer->mipmapLevel,
pBuffer->pbInfo.texFormat,
0, 0, // x, y
pBuffer->width, 0);
}
break;
case GL_TEXTURE_2D:
glGetTexLevelParameteriv(GL_TEXTURE_2D, pBuffer->mipmapLevel,
GL_TEXTURE_WIDTH, &width);
glGetTexLevelParameteriv(GL_TEXTURE_2D, pBuffer->mipmapLevel,
GL_TEXTURE_HEIGHT, &height);
if (width == pBuffer->width && height == pBuffer->height) {
// replace existing texture
glCopyTexSubImage2D(GL_TEXTURE_2D,
pBuffer->mipmapLevel,
0, 0, // xoffset, yoffset
0, 0, // x, y
pBuffer->width, pBuffer->height);
} else {
// define initial texture
glCopyTexImage2D(GL_TEXTURE_2D,
pBuffer->mipmapLevel,
pBuffer->pbInfo.texFormat,
0, 0, // x, y
pBuffer->width, pBuffer->height, 0);
}
break;
case GL_TEXTURE_CUBE_MAP:
{
const GLenum target =
GL_TEXTURE_CUBE_MAP_POSITIVE_X + pBuffer->cubeFace;
glGetTexLevelParameteriv(target, pBuffer->mipmapLevel,
GL_TEXTURE_WIDTH, &width);
glGetTexLevelParameteriv(target, pBuffer->mipmapLevel,
GL_TEXTURE_HEIGHT, &height);
if (width == pBuffer->width && height == pBuffer->height) {
// replace existing texture
glCopyTexSubImage2D(target,
pBuffer->mipmapLevel,
0, 0, // xoffset, yoffset
0, 0, // x, y
pBuffer->width, pBuffer->height);
} else {
// define new texture
glCopyTexImage2D(target,
pBuffer->mipmapLevel,
pBuffer->pbInfo.texFormat,
0, 0, // x, y
pBuffer->width, pBuffer->height, 0);
}
}
break;
default:
; // no op
}
// restore
glReadBuffer(readBufSave);
// rebind previous drawing surface
glXMakeCurrent(display, prevDrawable, prevContext);
return true;
}
/** Test target params to glTexImage functions */
static GLboolean
test_targets(void)
{
/* all of these should generate GL_INVALID_ENUM */
glTexImage1D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 0, GL_RGBA, GL_FLOAT, NULL);
if (!verify_error("glTexImage1D", GL_INVALID_ENUM))
return GL_FALSE;
glTexImage2D(GL_TEXTURE_3D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_FLOAT, NULL);
if (!verify_error("glTexImage2D", GL_INVALID_ENUM))
return GL_FALSE;
glTexImage3D(GL_TEXTURE_1D, 0, GL_RGBA, 16, 16, 16, 0, GL_RGBA, GL_FLOAT, NULL);
if (!verify_error("glTexImage3D", GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage1D(GL_TEXTURE_2D, 0, 6, 10, GL_RGBA, GL_FLOAT, NULL);
if (!verify_error("glTexSubImage1D", GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage1D(GL_PROXY_TEXTURE_1D, 0, 6, 10, GL_RGBA, GL_FLOAT, NULL);
if (!verify_error("glTexSubImage1D", GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage2D(GL_PROXY_TEXTURE_2D, 0, 6, 6, 10, 10, GL_RGBA, GL_FLOAT, NULL);
if (!verify_error("glTexSubImage1D", GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage3D(GL_PROXY_TEXTURE_2D, 0, 6, 6, 6, 10, 10, 10, GL_RGBA, GL_FLOAT, NULL);
if (!verify_error("glTexSubImage3D", GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexImage1D(GL_PROXY_TEXTURE_1D, 0, GL_RGBA, 4, 4, 16, 0);
if (!verify_error("glCopyTexImage1D", GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA, 4, 4, 16, 16, 0);
if (!verify_error("glCopyTexImage2D", GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexImage2D(GL_TEXTURE_1D, 0, GL_RGBA, 4, 4, 16, 16, 0);
if (!verify_error("glCopyTexImage2D", GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexSubImage1D(GL_PROXY_TEXTURE_1D, 0, 4, 4, 6, 10);
if (!verify_error("glCopyTexSubImage1D", GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexSubImage2D(GL_PROXY_TEXTURE_2D, 0, 4, 4, 6, 6, 10, 10);
if (!verify_error("glCopyTexSubImage2D", GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexSubImage3D(GL_PROXY_TEXTURE_3D, 0, 4, 4, 4, 6, 6, 10, 10);
if (!verify_error("glCopyTexSubImage2D", GL_INVALID_ENUM))
return GL_FALSE;
return GL_TRUE;
}
M(void, glCopyTexSubImage1D, jint target, jint level, jint xoffset, jint x, jint y, jint width) {
glCopyTexSubImage1D(target, level, xoffset, x, y, width);
}
PIGLIT_GL_TEST_CONFIG_END
/** Test target params to glTexImage functions */
static GLboolean
test_targets(void)
{
/* all of these should generate GL_INVALID_ENUM */
glTexImage1D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 0, GL_RGBA, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glTexImage2D(GL_TEXTURE_3D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glTexImage3D(GL_TEXTURE_1D, 0, GL_RGBA, 16, 16, 16, 0, GL_RGBA, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage1D(GL_TEXTURE_2D, 0, 6, 10, GL_RGBA, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage1D(GL_PROXY_TEXTURE_1D, 0, 6, 10, GL_RGBA, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage2D(GL_PROXY_TEXTURE_2D, 0, 6, 6, 10, 10, GL_RGBA, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glTexSubImage3D(GL_PROXY_TEXTURE_2D, 0, 6, 6, 6, 10, 10, 10, GL_RGBA, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexImage1D(GL_PROXY_TEXTURE_1D, 0, GL_RGBA, 4, 4, 16, 0);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA, 4, 4, 16, 16, 0);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexImage2D(GL_TEXTURE_1D, 0, GL_RGBA, 4, 4, 16, 16, 0);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexSubImage1D(GL_PROXY_TEXTURE_1D, 0, 4, 4, 6, 10);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexSubImage2D(GL_PROXY_TEXTURE_2D, 0, 4, 4, 6, 6, 10, 10);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
glCopyTexSubImage3D(GL_PROXY_TEXTURE_3D, 0, 4, 4, 4, 6, 6, 10, 10);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return GL_FALSE;
return GL_TRUE;
}
void gl4es_glCopyMultiTexSubImage1D(GLenum texunit, GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width) {
text(glCopyTexSubImage1D(target, level, xoffset, x, y, width));
}
void gl4es_glCopyTextureSubImage1D(GLuint texture, GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width) {
text(glCopyTexSubImage1D(target, level, xoffset, x, y, width));
}