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/*
* Copyright 2006-2012, Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Jérôme Duval, korli@users.berlios.de
* Philippe Houdoin, philippe.houdoin@free.fr
* Artur Wyszynski, harakash@gmail.com
*/
#ifndef MESASOFTWARERENDERER_H
#define MESASOFTWARERENDERER_H
#define HAIKU_SWRAST_RENDERBUFFER_CLASS 0x737752 // swR
#include "GLRenderer.h"
extern "C" {
#include "context.h"
#include "main/version.h"
#include "swrast/s_chan.h"
#include "swrast/s_context.h"
}
class MesaSoftwareRast : public BGLRenderer {
public:
MesaSoftwareRast(BGLView* view,
ulong bgl_options,
BGLDispatcher* dispatcher);
virtual ~MesaSoftwareRast();
virtual void LockGL();
virtual void UnlockGL();
virtual void SwapBuffers(bool VSync = false);
virtual void Draw(BRect updateRect);
virtual status_t CopyPixelsOut(BPoint source, BBitmap* dest);
virtual status_t CopyPixelsIn(BBitmap* source, BPoint dest);
virtual void FrameResized(float width, float height);
virtual void EnableDirectMode(bool enabled);
virtual void DirectConnected(direct_buffer_info* info);
private:
static const GLubyte* _GetString(gl_context* ctx, GLenum name);
void _CheckResize(GLuint newWidth, GLuint newHeight);
static void _UpdateState(gl_context* ctx, GLuint newState);
static void _Flush(gl_context *ctx);
struct swrast_renderbuffer* _NewRenderBuffer(bool front);
status_t _SetupRenderBuffer(struct gl_renderbuffer* rb,
color_space colorSpace);
/* Mesa callbacks */
static void _RenderBufferDelete(struct gl_context *ctx,
struct gl_renderbuffer* rb);
static GLboolean _RenderBufferStorage(gl_context* ctx,
struct gl_renderbuffer* render,
GLenum internalFormat,
GLuint width, GLuint height);
static GLboolean _RenderBufferStorageMalloc(gl_context* ctx,
struct gl_renderbuffer* render,
GLenum internalFormat,
GLuint width, GLuint height);
static void _RenderBufferMap(gl_context *ctx,
struct gl_renderbuffer *rb,
GLuint x, GLuint y, GLuint w, GLuint h,
GLbitfield mode, GLubyte **mapOut,
GLint *rowStrideOut);
void _AllocateBitmap();
void _CopyToDirect();
BBitmap* fBitmap;
bool fDirectModeEnabled;
direct_buffer_info* fInfo;
BLocker fInfoLocker;
ulong fOptions;
gl_context* fContext;
gl_config* fVisual;
struct gl_framebuffer* fFrameBuffer;
struct swrast_renderbuffer* fFrontRenderBuffer;
struct swrast_renderbuffer* fBackRenderBuffer;
GLuint fWidth;
GLuint fHeight;
color_space fColorSpace;
void* fRowAddr[SWRAST_MAX_HEIGHT];
};
#endif // MESASOFTWARERENDERER_H
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