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Fix[framebuffer]: correct-er implementation of glCheckFramebufferStatus

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Maksim Belov 2024-09-21 22:47:44 +03:00 committed by artdeell
parent fdcf065561
commit f7d6ea1ab9
1 changed files with 15 additions and 1 deletions
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16
app/src/main/tinywrapper/framebuffer.c
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@ -28,7 +28,6 @@ static GLuint get_attachment_idx(GLenum attachment) {
static GLenum map_attachment(framebuffer_t* framebuffer, GLenum attachment) {
for(GLsizei i = 0; i < framebuffer->nbuffers; i++) {
if(framebuffer->virt_drawbuffers[i] == attachment) {
//printf("tinywrapper: detected physical attachment %i for virt %x\n", i, attachment);
return i + GL_COLOR_ATTACHMENT0;
}
}
@ -118,6 +117,21 @@ void glDrawBuffer(GLenum buffer) {
glDrawBuffers(1, &buffer);
}
GLenum glCheckFramebufferStatus( GLenum target) {
if(!current_context) return GL_FRAMEBUFFER_UNDEFINED;
GLenum framebuffer_status = es3_functions.glCheckFramebufferStatus(target);
if(framebuffer_status == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT) {
framebuffer_t *framebuffer = get_framebuffer(target);
for(GLint i = 0; i < MAX_FBTARGETS; i++) {
// At least one color target found, means we just optimized out all color targets on the physical device
// This will come back to normal after a call to `glDrawBuffers` if only the secondary buffers are in use.
if(framebuffer->color_targets[i] != GL_NONE || framebuffer->color_objects[i] != 0) return GL_FRAMEBUFFER_COMPLETE;
}
return GL_FRAMEBUFFER_COMPLETE;
}
return framebuffer_status;
}
void glFramebufferTexture2D( GLenum target,
GLenum attachment,
GLenum textarget,