diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/r128/r128_vb.h')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/r128/r128_vb.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/r128/r128_vb.h b/xc/lib/GL/mesa/src/drv/r128/r128_vb.h new file mode 100644 index 000000000..4f7c11d7f --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/r128/r128_vb.h @@ -0,0 +1,150 @@ +/* $XFree86$ */ +/************************************************************************** + +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 <kevin@precisioninsight.com> + * + */ + +#ifndef _R128_VB_H_ +#define _R128_VB_H_ + +#ifdef GLX_DIRECT_RENDERING + +#define USE_RHW2 0 + +/* FIXME: This is endian-specific */ +typedef struct { + GLubyte b; + GLubyte g; + GLubyte r; + GLubyte a; +} r128Color; + +typedef struct { + GLfloat x, y, z; /* Coordinates in screen space */ + GLfloat rhw; /* Reciprocal homogeneous w */ + r128Color dif_argb; /* Diffuse color */ + r128Color spec_frgb; /* Specular color (alpha is fog) */ + GLfloat tu0, tv0; /* Texture 0 coordinates */ + GLfloat tu1, tv1; /* Texture 1 coordinates */ +#if USE_RHW2 + GLfloat rhw2; /* Reciprocal homogeneous w */ +#endif +} r128_vertex; + +#if USE_RHW2 +/* Format of vertices in r128_vertex struct */ +#define R128_FULL_VERTEX_FORMAT \ + R128_CCE_VC_FRMT_RHW | \ + R128_CCE_VC_FRMT_DIFFUSE_ARGB | \ + R128_CCE_VC_FRMT_SPEC_FRGB | \ + R128_CCE_VC_FRMT_S_T | \ + R128_CCE_VC_FRMT_S2_T2 | \ + R128_CCE_VC_FRMT_RHW2 + +/* Send a single vertex to the ring buffer */ +#define R128CCE_SEND_VERTEX(v) \ + do { \ + R128CCEF((v)->x); \ + R128CCEF((v)->y); \ + R128CCEF((v)->z); \ + R128CCEF((v)->rhw); \ + R128CCE(*(int *)&(v)->dif_argb); \ + R128CCE(*(int *)&(v)->spec_frgb); \ + R128CCEF((v)->tu0); \ + R128CCEF((v)->tv0); \ + R128CCEF((v)->tu1); \ + R128CCEF((v)->tv1); \ + R128CCEF((v)->rhw2); \ + } while (0) + +#else /* !USE_RHW2 */ + +/* Format of vertices in r128_vertex struct */ +#define R128_FULL_VERTEX_FORMAT \ + R128_CCE_VC_FRMT_RHW | \ + R128_CCE_VC_FRMT_DIFFUSE_ARGB | \ + R128_CCE_VC_FRMT_SPEC_FRGB | \ + R128_CCE_VC_FRMT_S_T | \ + R128_CCE_VC_FRMT_S2_T2 + +/* Send a single vertex to the ring buffer */ +#define R128CCE_SEND_VERTEX(v) \ + do { \ + R128CCEF((v)->x); \ + R128CCEF((v)->y); \ + R128CCEF((v)->z); \ + R128CCEF((v)->rhw); \ + R128CCE(*(int *)&(v)->dif_argb); \ + R128CCE(*(int *)&(v)->spec_frgb); \ + R128CCEF((v)->tu0); \ + R128CCEF((v)->tv0); \ + R128CCEF((v)->tu1); \ + R128CCEF((v)->tv1); \ + } while (0) +#endif + +/* FIXME: We currently only have assembly for 16-stride vertices */ +typedef union { + r128_vertex v; + float f[16]; +} r128Vertex, *r128VertexPtr; + +/* Vertex buffer for use when on the fast path */ +typedef struct { + GLuint size; /* Number of vertices in store */ + void *vert_store; /* Storage for vertex buffer */ + r128VertexPtr verts; /* Aligned start of verts in storage */ + int last_vert; /* Index of last vertex used */ + GLvector1ui clipped_elements; /* List of clipped elements */ +} *r128VertexBufferPtr; + +#define R128_DRIVER_DATA(vb) ((r128VertexBufferPtr)((vb)->driver_data)) + +#define R128_SPEC_BIT 0x01 +#define R128_FOG_BIT 0x02 +#define R128_ALPHA_BIT 0x04 /* GL_BLEND, not used */ +#define R128_TEX1_BIT 0x08 +#define R128_TEX0_BIT 0x10 +#define R128_RGBA_BIT 0x20 +#define R128_WIN_BIT 0x40 + +extern void r128SetupInit(void); +extern void r128ChooseRasterSetupFunc(GLcontext *ctx); +extern void r128CheckPartialRasterSetup(GLcontext *ctx, + struct gl_pipeline_stage *s); +extern void r128PartialRasterSetup(struct vertex_buffer *VB); +extern void r128DoRasterSetup(struct vertex_buffer *VB); +extern void r128ResizeVB(struct vertex_buffer *VB, GLuint size); +extern void r128DDRegisterVB(struct vertex_buffer *VB); +extern void r128DDUnregisterVB(struct vertex_buffer *VB); + +#endif +#endif /* _R128_VB_H_ */ |