diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.h')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.h b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.h new file mode 100644 index 000000000..1f928ea2d --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.h @@ -0,0 +1,127 @@ +/* -*- mode: c; c-basic-offset: 3 -*- + * + * Copyright 2000 VA Linux Systems Inc., Fremont, California. + * + * 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 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS 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. + */ +/* $XFree86$ */ + +/* + * Original rewrite: + * Gareth Hughes <gareth@valinux.com>, 29 Sep - 1 Oct 2000 + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + * Brian Paul <brianp@valinux.com> + * Keith Whitwell <keithw@valinux.com> + * + */ + +#ifndef __TDFX_VB_H__ +#define __TDFX_VB_H__ + +#ifdef GLX_DIRECT_RENDERING + +#include "types.h" +#include "vb.h" + +/* + * Color type for the vertex data + */ +typedef struct { + GLubyte blue; + GLubyte green; + GLubyte red; + GLubyte alpha; +} tdfx_color_t; + + +/* The vertex structure. The final tu1/tv1 values only used in + * multitexture modes, and tq0/tq1 in projected texture modes. + */ +typedef struct { + GLfloat x, y, z; /* Coordinates in screen space */ + GLfloat rhw; /* Reciprocal homogeneous w */ + tdfx_color_t color; /* Diffuse color */ + GLuint padding; /* ... */ + GLfloat tu0, tv0; /* Texture 0 coordinates */ + GLfloat tu1, tv1; /* Texture 1 coordinates */ + GLfloat tq0, tq1; /* Projected texture coordinates */ +} tdfx_vertex; + + +/* The fastpath code still expects a 16-float stride vertex. + */ +union tdfx_vertex_t { + tdfx_vertex v; + GLfloat f[16]; + GLuint ui[16]; +}; + +typedef union tdfx_vertex_t tdfxVertex; +typedef union tdfx_vertex_t *tdfxVertexPtr; + +/* Vertex buffer for use when on the fast path */ +struct tdfx_vertex_buffer { + tdfxVertexPtr verts; + GLvector1ui clipped_elements; + GLuint size; + int last_vert; + void *vert_store; + + tdfxVertexPtr *elts; + GLuint elt_size; + GLuint last_elt; +}; + +typedef struct tdfx_vertex_buffer *tdfxVertexBufferPtr; + +#define TDFX_DRIVER_DATA(vb) ((tdfxVertexBufferPtr)((vb)->driver_data)) + + +#define TDFX_WIN_BIT 0x01 +#define TDFX_RGBA_BIT 0x02 +#define TDFX_FOG_BIT 0x04 +#define TDFX_SPEC_BIT 0x08 +#define TDFX_TEX0_BIT 0x10 +#define TDFX_TEX1_BIT 0x20 + + +extern void tdfxDDSetupInit( void ); + +extern void tdfxDDChooseRasterSetupFunc( GLcontext *ctx ); +extern void tdfxPrintSetupFlags( char *msg, GLuint flags ); + +extern void tdfxDDCheckPartialRasterSetup( GLcontext *ctx, + struct gl_pipeline_stage *s ); +extern void tdfxDDPartialRasterSetup( struct vertex_buffer *VB ); +extern void tdfxDDDoRasterSetup( struct vertex_buffer *VB ); + +extern void tdfxDDResizeVB( struct vertex_buffer *VB, GLuint size ); +extern void tdfxDDResizeElts( struct vertex_buffer *VB, GLuint size ); +extern void tdfxDDRegisterVB( struct vertex_buffer *VB ); +extern void tdfxDDUnregisterVB( struct vertex_buffer *VB ); + + +#endif /* GLX_DIRECT_RENDERING */ + +#endif /* __TDFX_VB_H__ */ |