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/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_context.h,v 1.12 2002/12/16 16:18:52 dawes Exp $ */
/**************************************************************************
Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
Cedar Park, Texas.
All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
on the rights to use, copy, modify, merge, publish, distribute, sub
license, and/or sell copies of the Software, and to permit persons to whom
the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
**************************************************************************/
/*
* Authors:
* Kevin E. Martin <martin@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
#ifndef __R128_CONTEXT_H__
#define __R128_CONTEXT_H__
#ifdef GLX_DIRECT_RENDERING
#include "dri_util.h"
#include "drm.h"
#include "r128_drm.h"
#include "mtypes.h"
#include "r128_reg.h"
#include "texmem.h"
struct r128_context;
typedef struct r128_context r128ContextRec;
typedef struct r128_context *r128ContextPtr;
#include "r128_lock.h"
#include "r128_texobj.h"
#include "r128_screen.h"
/* Flags for what context state needs to be updated:
*/
#define R128_NEW_ALPHA 0x0001
#define R128_NEW_DEPTH 0x0002
#define R128_NEW_FOG 0x0004
#define R128_NEW_CLIP 0x0008
#define R128_NEW_CULL 0x0010
#define R128_NEW_MASKS 0x0020
#define R128_NEW_RENDER_NOT 0x0040
#define R128_NEW_WINDOW 0x0080
#define R128_NEW_CONTEXT 0x0100
#define R128_NEW_ALL 0x01ff
/* Flags for software fallback cases:
*/
#define R128_FALLBACK_TEXTURE 0x0001
#define R128_FALLBACK_DRAW_BUFFER 0x0002
#define R128_FALLBACK_READ_BUFFER 0x0004
#define R128_FALLBACK_STENCIL 0x0008
#define R128_FALLBACK_RENDER_MODE 0x0010
#define R128_FALLBACK_MULTIDRAW 0x0020
#define R128_FALLBACK_LOGICOP 0x0040
#define R128_FALLBACK_SEP_SPECULAR 0x0080
#define R128_FALLBACK_BLEND_EQ 0x0100
#define R128_FALLBACK_BLEND_FUNC 0x0200
/* Use the templated vertex format:
*/
#define TAG(x) r128##x
#include "tnl_dd/t_dd_vertex.h"
#undef TAG
/* Reasons why the GL_BLEND fallback mightn't work:
*/
#define R128_BLEND_ENV_COLOR 0x1
#define R128_BLEND_MULTITEX 0x2
/* Subpixel offsets for window coordinates (triangles):
*/
#define SUBPIXEL_X (0.0F)
#define SUBPIXEL_Y (0.125F)
typedef void (*r128_tri_func)( r128ContextPtr,
r128Vertex *,
r128Vertex *,
r128Vertex * );
typedef void (*r128_line_func)( r128ContextPtr,
r128Vertex *,
r128Vertex * );
typedef void (*r128_point_func)( r128ContextPtr,
r128Vertex * );
struct r128_context {
GLcontext *glCtx; /* Mesa context */
/* Driver and hardware state management
*/
GLuint new_state;
GLuint dirty; /* Hardware state to be updated */
drm_r128_context_regs_t setup;
GLuint NewGLState;
GLuint Fallback;
GLuint SetupIndex;
GLuint SetupNewInputs;
GLuint RenderIndex;
GLfloat hw_viewport[16];
GLfloat depth_scale;
GLuint vertex_size;
GLuint vertex_stride_shift;
GLuint vertex_format;
GLuint num_verts;
GLubyte *verts;
uint32_t ClearColor; /* Color used to clear color buffer */
uint32_t ClearDepth; /* Value used to clear depth buffer */
uint32_t ClearStencil; /* Value used to clear stencil */
/* Map GL texture units onto hardware
*/
GLint multitex;
GLint tmu_source[2];
GLuint tex_combine[2];
GLuint blend_flags;
GLuint env_color;
/* Texture object bookkeeping
*/
unsigned nr_heaps;
driTexHeap * texture_heaps[ R128_NR_TEX_HEAPS ];
driTextureObject swapped;
r128TexObjPtr CurrentTexObj[2];
int texture_depth;
/* Fallback rasterization functions
*/
r128_point_func draw_point;
r128_line_func draw_line;
r128_tri_func draw_tri;
/* Vertex buffers
*/
drmBufPtr vert_buf;
GLuint hw_primitive;
GLenum render_primitive;
/* Page flipping
*/
GLuint doPageFlip;
/* Drawable, cliprect and scissor information
*/
GLint drawOffset, drawPitch;
GLint readOffset, readPitch;
GLuint numClipRects; /* Cliprects for the draw buffer */
drm_clip_rect_t *pClipRects;
GLuint scissor;
drm_clip_rect_t ScissorRect; /* Current software scissor */
/* Mirrors of some DRI state
*/
__DRIcontextPrivate *driContext; /* DRI context */
__DRIscreenPrivate *driScreen; /* DRI screen */
__DRIdrawablePrivate *driDrawable; /* DRI drawable bound to this ctx */
unsigned int lastStamp; /* mirror driDrawable->lastStamp */
drmContext hHWContext;
drm_hw_lock_t *driHwLock;
int driFd;
r128ScreenPtr r128Screen; /* Screen private DRI data */
drm_r128_sarea_t *sarea; /* Private SAREA data */
/* Performance counters
*/
GLuint boxes; /* Draw performance boxes */
GLuint hardwareWentIdle;
GLuint c_clears;
GLuint c_drawWaits;
GLuint c_textureSwaps;
GLuint c_textureBytes;
GLuint c_vertexBuffers;
/* VBI
*/
GLuint vbl_seq;
GLuint vblank_flags;
/* Configuration cache
*/
driOptionCache optionCache;
};
#define R128_CONTEXT(ctx) ((r128ContextPtr)(ctx->DriverCtx))
#define R128_IS_PLAIN( rmesa ) \
(rmesa->r128Screen->chipset == R128_CARD_TYPE_R128)
#define R128_IS_PRO( rmesa ) \
(rmesa->r128Screen->chipset == R128_CARD_TYPE_R128_PRO)
#define R128_IS_MOBILITY( rmesa ) \
(rmesa->r128Screen->chipset == R128_CARD_TYPE_R128_MOBILITY)
extern GLboolean r128CreateContext( const __GLcontextModes *glVisual,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate );
extern void r128DestroyContext( __DRIcontextPrivate * );
extern GLboolean r128MakeCurrent( __DRIcontextPrivate *driContextPriv,
__DRIdrawablePrivate *driDrawPriv,
__DRIdrawablePrivate *driReadPriv );
extern GLboolean r128UnbindContext( __DRIcontextPrivate *driContextPriv );
/* ================================================================
* Debugging:
*/
#define DO_DEBUG 0
#define ENABLE_PERF_BOXES 0
#if DO_DEBUG
extern int R128_DEBUG;
#else
#define R128_DEBUG 0
#endif
#define DEBUG_ALWAYS_SYNC 0x01
#define DEBUG_VERBOSE_API 0x02
#define DEBUG_VERBOSE_MSG 0x04
#define DEBUG_VERBOSE_LRU 0x08
#define DEBUG_VERBOSE_DRI 0x10
#define DEBUG_VERBOSE_IOCTL 0x20
#define DEBUG_VERBOSE_2D 0x40
#endif
#endif /* __R128_CONTEXT_H__ */
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