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/*
* Copyright 2009, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Alexander von Gluck IV, kallisti5@unixzen.com
*/
#ifndef GALLIUMCONTEXT_H
#define GALLIUMCONTEXT_H
#include <stddef.h>
#include <kernel/image.h>
extern "C" {
#include "state_tracker/st_api.h"
#include "pipe/p_compiler.h"
#include "pipe/p_screen.h"
#include "postprocess/filters.h"
#include "os/os_thread.h"
}
#include "bitmap_wrapper.h"
#include "GalliumFramebuffer.h"
#define CONTEXT_MAX 32
typedef int64 context_id;
struct hgl_context
{
struct st_api* api;
// State Tracker API
struct st_manager* manager;
// State Tracker Manager
struct st_context_iface* st;
// State Tracker Interface Object
struct st_visual* stVisual;
// State Tracker Visual
struct pipe_resource* textures[ST_ATTACHMENT_COUNT];
// Post processing
struct pp_queue_t* postProcess;
unsigned int postProcessEnable[PP_FILTERS];
Bitmap* bitmap;
color_space colorSpace;
GalliumFramebuffer* draw;
GalliumFramebuffer* read;
};
class GalliumContext {
public:
GalliumContext(ulong options);
~GalliumContext();
void Lock();
void Unlock();
struct st_visual* CreateVisual();
context_id CreateContext(Bitmap* bitmap);
void DestroyContext(context_id contextID);
context_id GetCurrentContext() { return fCurrentContext; };
status_t SetCurrentContext(Bitmap *bitmap,
context_id contextID);
status_t SwapBuffers(context_id contextID);
void ResizeViewport(int32 width, int32 height);
private:
status_t CreateScreen();
void Flush();
ulong fOptions;
struct pipe_screen* fScreen;
// Context Management
struct hgl_context* fContext[CONTEXT_MAX];
context_id fCurrentContext;
pipe_mutex fMutex;
};
#endif /* GALLIUMCONTEXT_H */
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