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/*
* Copyright 2012-2013, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Artur Wyszynski, harakash@gmail.com
* Alexander von Gluck IV, kallisti5@unixzen.com
*/
#include "GalliumFramebuffer.h"
extern "C" {
#include "main/context.h"
#include "main/framebuffer.h"
#include "main/renderbuffer.h"
#include "pipe/p_format.h"
}
#define TRACE_FRAMEBUFFER
#ifdef TRACE_FRAEMBUFFER
# define TRACE(x...) printf("GalliumFramebuffer: " x)
# define CALLED() TRACE("CALLED: %s\n", __PRETTY_FUNCTION__)
#else
# define TRACE(x...)
# define CALLED()
#endif
#define ERROR(x...) printf("GalliumFramebuffer: " x)
static boolean
hgl_framebuffer_flush_front(struct st_context_iface *stctx,
struct st_framebuffer_iface* stfb, enum st_attachment_type statt)
{
CALLED();
// TODO: I have *NO* idea how we are going to access this data...
#if 0
struct stw_st_framebuffer *stwfb = stw_st_framebuffer(stfb);
pipe_mutex_lock(stwfb->fb->mutex);
struct pipe_resource* resource = textures[statt];
if (resource)
stw_framebuffer_present_locked(...);
#endif
return TRUE;
}
static boolean
hgl_framebuffer_validate(struct st_context_iface* stctx,
struct st_framebuffer_iface* stfb,
const enum st_attachment_type* statts, unsigned count,
struct pipe_resource** out)
{
CALLED();
return TRUE;
}
GalliumFramebuffer::GalliumFramebuffer(struct st_visual* visual,
void* privateContext)
:
fBuffer(NULL)
{
CALLED();
fBuffer = CALLOC_STRUCT(st_framebuffer_iface);
if (!fBuffer) {
ERROR("%s: Couldn't calloc framebuffer!\n", __func__);
return;
}
fBuffer->visual = visual;
fBuffer->flush_front = hgl_framebuffer_flush_front;
fBuffer->validate = hgl_framebuffer_validate;
fBuffer->st_manager_private = privateContext;
pipe_mutex_init(fMutex);
}
GalliumFramebuffer::~GalliumFramebuffer()
{
CALLED();
// We lock and unlock to try and make sure we wait for anything
// using the framebuffer to finish
Lock();
if (!fBuffer) {
ERROR("%s: Strange, no Gallium Framebuffer to free?\n", __func__);
return;
}
FREE(fBuffer);
Unlock();
pipe_mutex_destroy(fMutex);
}
status_t
GalliumFramebuffer::Lock()
{
CALLED();
pipe_mutex_lock(fMutex);
return B_OK;
}
status_t
GalliumFramebuffer::Unlock()
{
CALLED();
pipe_mutex_unlock(fMutex);
return B_OK;
}
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