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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/trident/trident_context.h')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/trident/trident_context.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/trident/trident_context.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/trident/trident_context.h new file mode 100644 index 000000000..7ebb5f204 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/trident/trident_context.h @@ -0,0 +1,242 @@ +/* + * Copyright 2002 by Alan Hourihane, Sychdyn, North Wales, UK. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Alan Hourihane not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Alan Hourihane makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> + * + * Trident CyberBladeXP driver. + * + */ +#ifndef _TRIDENT_CONTEXT_H_ +#define _TRIDENT_CONTEXT_H_ + +#include "dri_util.h" +#include "macros.h" +#include "mtypes.h" +#include "drm.h" +#include "mm.h" + +#define SUBPIXEL_X (0.0F) +#define SUBPIXEL_Y (0.125F) + +#define _TRIDENT_NEW_VERTEX (_NEW_TEXTURE | \ + _DD_NEW_TRI_UNFILLED | \ + _DD_NEW_TRI_LIGHT_TWOSIDE) + +#define TRIDENT_FALLBACK_TEXTURE 0x01 +#define TRIDENT_FALLBACK_DRAW_BUFFER 0x02 + +#define TRIDENT_NEW_CLIP 0x01 + +#define TRIDENT_UPLOAD_COMMAND_D 0x00000001 +#define TRIDENT_UPLOAD_CONTEXT 0x04000000 +#define TRIDENT_UPLOAD_CLIPRECTS 0x80000000 + +#define TAG(x) trident##x +#include "tnl_dd/t_dd_vertex.h" +#undef TAG + +/* these require that base be dword-aligned */ +static inline void MMIO_OUT32(unsigned char *base, unsigned int offset, + unsigned int val) +{ + unsigned int *addr = (unsigned int *)(base + offset); + *addr = val; +} + +static inline unsigned int MMIO_IN32(unsigned char *base, unsigned int offset) +{ + unsigned int *addr = (unsigned int *)(base + offset); + return *addr; +} + +#define MMIO_OUT8(base, offset, val) *((base) + (offset)) = (val) +#define MMIO_IN8(base, offset) *((base) + (offset)) + +struct trident_context; +typedef struct trident_context tridentContextRec; +typedef struct trident_context *tridentContextPtr; + +typedef void (*trident_quad_func)( tridentContextPtr, + const tridentVertex *, + const tridentVertex *, + const tridentVertex *, + const tridentVertex * ); +typedef void (*trident_tri_func)( tridentContextPtr, + const tridentVertex *, + const tridentVertex *, + const tridentVertex * ); +typedef void (*trident_line_func)( tridentContextPtr, + const tridentVertex *, + const tridentVertex * ); +typedef void (*trident_point_func)( tridentContextPtr, + const tridentVertex * ); + +typedef struct { + drm_handle_t handle; /* Handle to the DRM region */ + drmSize size; /* Size of the DRM region */ + unsigned char *map; /* Mapping of the DRM region */ +} tridentRegionRec, *tridentRegionPtr; + +typedef struct { + __DRIscreenPrivate *driScreen; /* Back pointer to DRI screen */ + + drmBufMapPtr buffers; + + unsigned int frontOffset; + unsigned int frontPitch; + unsigned int backOffset; + unsigned int backPitch; + unsigned int depthOffset; + unsigned int depthPitch; + unsigned int width; + unsigned int height; + unsigned int cpp; + +#if 0 + unsigned int sarea_priv_offset; +#endif + + tridentRegionRec mmio; +} tridentScreenRec, *tridentScreenPtr; + +/** + * tridentRenderbuffer, derived from Mesa's gl_renderbuffer + */ +typedef struct { + struct gl_renderbuffer Base; + /* XXX per-window info should go here */ + int foo, bar; +} tridentRenderbuffer; + + +struct trident_context { + GLcontext *glCtx; /* Mesa context */ + + __DRIcontextPrivate *driContext; + __DRIscreenPrivate *driScreen; + __DRIdrawablePrivate *driDrawable; + + GLuint new_gl_state; + GLuint new_state; + GLuint dirty; + +#if 0 + drm_trident_sarea_t *sarea; +#endif + + /* Temporaries for translating away float colors: + */ + struct gl_client_array UbyteColor; + struct gl_client_array UbyteSecondaryColor; + + /* Mirrors of some DRI state + */ + int lastStamp; /* mirror driDrawable->lastStamp */ + + drm_context_t hHWContext; + drmLock *driHwLock; + int driFd; + + tridentScreenPtr tridentScreen; /* Screen private DRI data */ + + /* Visual, drawable, cliprect and scissor information + */ + GLenum DrawBuffer; + GLint drawOffset, drawPitch; + GLint drawX, drawY; /* origin of drawable in draw buffer */ + GLint readOffset, readPitch; + + GLuint numClipRects; /* Cliprects for the draw buffer */ + drm_clip_rect_t *pClipRects; + + GLint scissor; + drm_clip_rect_t ScissorRect; /* Current software scissor */ + + GLuint Fallback; + GLuint RenderIndex; + GLuint SetupNewInputs; + GLuint SetupIndex; + GLfloat hw_viewport[16]; + GLfloat depth_scale; + GLuint vertex_format; + GLuint vertex_size; + GLuint vertex_stride_shift; + char *verts; + + GLint tmu_source[2]; + + GLuint hw_primitive; + GLenum render_primitive; + + trident_point_func draw_point; + trident_line_func draw_line; + trident_tri_func draw_tri; + trident_quad_func draw_quad; + +#if 0 + gammaTextureObjectPtr CurrentTexObj[2]; + struct gamma_texture_object_t TexObjList; + struct gamma_texture_object_t SwappedOut; + GLenum TexEnvImageFmt[2]; + + memHeap_t *texHeap; + + int lastSwap; + int texAge; + int ctxAge; + int dirtyAge; + int lastStamp; +#endif + + /* Chip state */ + + int commandD; + + /* Context State */ + + int ClearColor; +}; + +void tridentDDInitExtensions( GLcontext *ctx ); +void tridentDDInitDriverFuncs( GLcontext *ctx ); +void tridentDDInitSpanFuncs( GLcontext *ctx ); +void tridentDDInitState( tridentContextPtr tmesa ); +void tridentInitHW( tridentContextPtr tmesa ); +void tridentDDInitStateFuncs( GLcontext *ctx ); +void tridentDDInitTextureFuncs( GLcontext *ctx ); +void tridentDDInitTriFuncs( GLcontext *ctx ); + +extern void tridentBuildVertices( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint newinputs ); +extern void tridentInitVB( GLcontext *ctx ); +extern void tridentCopyBuffer( const __DRIdrawablePrivate *dPriv ); +extern void tridentFallback( tridentContextPtr tmesa, GLuint bit, + GLboolean mode ); +extern void tridentCheckTexSizes( GLcontext *ctx ); +extern void tridentChooseVertexState( GLcontext *ctx ); +extern void tridentDDUpdateHWState( GLcontext *ctx ); +extern void tridentUploadHwStateLocked( tridentContextPtr tmesa ); + +#define TRIDENT_CONTEXT(ctx) ((tridentContextPtr)(ctx->DriverCtx)) + +#endif /* _TRIDENT_CONTEXT_H_ */ |