void
WebGLFramebuffer::FramebufferTexture2D(GLenum target,
GLenum attachment,
GLenum textarget,
WebGLTexture* wtex,
GLint level)
{
MOZ_ASSERT(mContext->mBoundFramebuffer == this);
if (!mContext->ValidateObjectAllowNull("framebufferTexture2D: texture", wtex))
return;
if (target != LOCAL_GL_FRAMEBUFFER)
return mContext->ErrorInvalidEnumInfo("framebufferTexture2D: target", target);
if (textarget != LOCAL_GL_TEXTURE_2D &&
(textarget < LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_X ||
textarget > LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))
{
return mContext->ErrorInvalidEnumInfo("framebufferTexture2D: invalid texture target", textarget);
}
if (wtex) {
bool isTexture2D = wtex->Target() == LOCAL_GL_TEXTURE_2D;
bool isTexTarget2D = textarget == LOCAL_GL_TEXTURE_2D;
if (isTexture2D != isTexTarget2D) {
return mContext->ErrorInvalidOperation("framebufferTexture2D: mismatched texture and texture target");
}
}
if (level != 0)
return mContext->ErrorInvalidValue("framebufferTexture2D: level must be 0");
/* Get the requested attachment. If result is NULL, attachment is
* invalid and an error is generated.
*
* Don't use GetAttachment(...) here because it opt builds it
* returns mColorAttachment[0] for invalid attachment, which we
* really don't want to mess with.
*/
Attachment* a = GetAttachmentOrNull(attachment);
if (!a)
return; // Error generated internally to GetAttachmentOrNull.
/* Invalidate cached framebuffer status and inform texture of it's
* new attachment
*/
mStatus = 0;
// Detach current
if (a->Texture())
a->Texture()->DetachFrom(this, attachment);
else if (a->Renderbuffer())
a->Renderbuffer()->DetachFrom(this, attachment);
// Attach new
if (wtex)
wtex->AttachTo(this, attachment);
a->SetTexImage(wtex, textarget, level);
}
void
WebGLFramebuffer::FramebufferTexture2D(FBAttachment attachPoint,
TexImageTarget texImageTarget,
WebGLTexture* tex, GLint level)
{
MOZ_ASSERT(mContext->mBoundDrawFramebuffer == this ||
mContext->mBoundReadFramebuffer == this);
if (!mContext->ValidateObjectAllowNull("framebufferTexture2D: texture",
tex))
{
return;
}
if (tex) {
bool isTexture2D = tex->Target() == LOCAL_GL_TEXTURE_2D;
bool isTexTarget2D = texImageTarget == LOCAL_GL_TEXTURE_2D;
if (isTexture2D != isTexTarget2D) {
mContext->ErrorInvalidOperation("framebufferTexture2D: Mismatched"
" texture and texture target.");
return;
}
}
if (level != 0) {
mContext->ErrorInvalidValue("framebufferTexture2D: Level must be 0.");
return;
}
/* Get the requested attachment. If result is NULL, attachment is invalid
* and an error is generated.
*
* Don't use GetAttachment(...) here because it opt builds it returns
* mColorAttachment[0] for invalid attachment, which we really don't want to
* mess with.
*/
Attachment* attachment = GetAttachmentOrNull(attachPoint);
if (!attachment)
return; // Error generated internally to GetAttachmentOrNull.
// Invalidate cached framebuffer status and inform texture of its new
// attachment.
mStatus = 0;
// Detach current:
if (attachment->Texture())
attachment->Texture()->DetachFrom(this, attachPoint);
else if (attachment->Renderbuffer())
attachment->Renderbuffer()->DetachFrom(this, attachPoint);
// Attach new:
if (tex)
tex->AttachTo(this, attachPoint);
attachment->SetTexImage(tex, texImageTarget, level);
}
