diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.c')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.c | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.c b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.c new file mode 100644 index 000000000..a5cb9b6bc --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_vb.c @@ -0,0 +1,498 @@ +/* -*- 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> + * + */ + +#include "tdfx_context.h" +#include "tdfx_vb.h" + +#include "stages.h" +#include "mem.h" + + +#define COORD \ +do { \ + v->v.x = winCoord[0] + xoffset; \ + v->v.y = winCoord[1] + yoffset; \ + v->v.z = winCoord[2]; \ + v->v.rhw = w; \ +} while (0) + + +/* The assembly is slower... + */ +#if 0 && defined(USE_X86_ASM) +#define COL \ +do { \ + __asm__ ( \ + "movl (%%edx),%%eax \n" \ + "bswap %%eax \n" \ + "rorl $8,%%eax \n" \ + "movl %%eax,16(%%edi) \n" \ + : \ + : "d" (color), "D" (v) \ + : "%eax" ); \ +} while (0) +#else +#define COL \ +do { \ + v->v.color.blue = color[2]; \ + v->v.color.green = color[1]; \ + v->v.color.red = color[0]; \ + v->v.color.alpha = color[3]; \ +} while (0) +#endif + + +#define TEX0 \ +do { \ + v->v.tu0 = tc0[i][0] * sScale0 * w; \ + v->v.tv0 = tc0[i][1] * tScale0 * w; \ +} while (0) + +#define TEX1 \ +do { \ + v->v.tu1 = tc1[i][0] * sScale1 * w; \ + v->v.tv1 = tc1[i][1] * tScale1 * w; \ +} while (0) + + +#define TEX0_4 \ + if ( VB->TexCoordPtr[0]->size == 4 ) { \ + GLfloat (*tc)[4] = VB->TexCoordPtr[0]->data; \ + winCoord = VB->Win.data[start]; \ + v = &(TDFX_DRIVER_DATA(VB)->verts[start]); \ + for ( i = start ; i < end ; i++, v++, winCoord+=4 ) { \ + v->v.tq0 = tc[i][3] * winCoord[3]; \ + } \ + } + +#define TEX1_4 \ + if ( VB->TexCoordPtr[1]->size == 4 ) { \ + GLfloat (*tc)[4] = VB->TexCoordPtr[1]->data; \ + winCoord = VB->Win.data[start]; \ + v = &(TDFX_DRIVER_DATA(VB)->verts[start]); \ + for ( i = start ; i < end ; i++, v++, winCoord+=4 ) { \ + v->v.tq1 = tc[i][3] * winCoord[3]; \ + } \ + } + + +#define FOG + + +#define NOP + + + +#define SETUPFUNC(name,win,col,tex0,tex1,tex0_4,tex1_4,fog) \ +static void name( struct vertex_buffer *VB, GLuint start, GLuint end ) \ +{ \ + tdfxContextPtr fxMesa = TDFX_CONTEXT(VB->ctx); \ + tdfxVertexPtr v; \ + const GLfloat *winCoord; \ + GLfloat (*tc0)[4]; \ + GLfloat (*tc1)[4]; \ + const GLfloat xoffset = fxMesa->x_offset + TRI_X_OFFSET; \ + const GLfloat yoffset = fxMesa->y_delta + TRI_Y_OFFSET; \ + const GLfloat sScale0 = fxMesa->sScale0; \ + const GLfloat tScale0 = fxMesa->tScale0; \ + const GLfloat sScale1 = fxMesa->sScale1; \ + const GLfloat tScale1 = fxMesa->tScale1; \ + const GLubyte *color; \ + int i; \ + \ + (void) xoffset; (void) yoffset; \ + (void) sScale0; (void) tScale0; \ + (void) sScale1; (void) tScale1; \ + \ + if (0) fprintf(stderr, "%s\n", __FUNCTION__); \ + gl_import_client_data( VB, VB->ctx->RenderFlags, \ + (VB->ClipOrMask \ + ? VEC_WRITABLE|VEC_GOOD_STRIDE \ + : VEC_GOOD_STRIDE)); \ + \ + tc0 = VB->TexCoordPtr[fxMesa->tmu_source[0]]->data; \ + tc1 = VB->TexCoordPtr[fxMesa->tmu_source[1]]->data; \ + color = VB->Color[0]->data[start]; \ + winCoord = VB->Win.data[start]; \ + \ + v = &(TDFX_DRIVER_DATA(VB)->verts[start]); \ + \ + if ( VB->ClipOrMask == 0 ) { \ + for ( i = start ; i < end ; i++, v++, color+=4, winCoord+=4 ) { \ + const GLfloat w = winCoord[3]; \ + (void) w; \ + win; \ + col; \ + fog; \ + tex0; \ + tex1; \ + } \ + } else { \ + for ( i = start ; i < end ; i++, v++, color+=4, winCoord+=4 ) { \ + if ( VB->ClipMask[i] == 0 ) { \ + const GLfloat w = winCoord[3]; \ + (void) w; \ + win; \ + fog; \ + tex0; \ + tex1; \ + } \ + col; \ + } \ + } \ + tex0_4; \ + tex1_4; \ +} + + +SETUPFUNC(rs_wt0, COORD, NOP, TEX0, NOP, TEX0_4, NOP, NOP) +SETUPFUNC(rs_wt0t1, COORD, NOP, TEX0, TEX1, TEX0_4, TEX1_4, NOP) +SETUPFUNC(rs_wft0, COORD, NOP, TEX0, NOP, TEX0_4, NOP, FOG) +SETUPFUNC(rs_wft0t1, COORD, NOP, TEX0, TEX1, TEX0_4, TEX1_4, FOG) +SETUPFUNC(rs_wg, COORD, COL, NOP, NOP, NOP, NOP, NOP) +SETUPFUNC(rs_wgt0, COORD, COL, TEX0, NOP, TEX0_4, NOP, NOP) +SETUPFUNC(rs_wgt0t1, COORD, COL, TEX0, TEX1, TEX0_4, TEX1_4, NOP) +SETUPFUNC(rs_wgf, COORD, COL, NOP, NOP, NOP, NOP, FOG) +SETUPFUNC(rs_wgft0, COORD, COL, TEX0, NOP, TEX0_4, NOP, FOG) +SETUPFUNC(rs_wgft0t1, COORD, COL, TEX0, TEX1, TEX0_4, TEX1_4, FOG) + +SETUPFUNC(rs_t0, NOP, NOP, TEX0, NOP, TEX0_4, NOP, NOP) +SETUPFUNC(rs_t0t1, NOP, NOP, TEX0, TEX1, TEX0_4, TEX1_4, NOP) +SETUPFUNC(rs_f, NOP, NOP, NOP, NOP, NOP, NOP, FOG) +SETUPFUNC(rs_ft0, NOP, NOP, TEX0, NOP, TEX0_4, NOP, FOG) +SETUPFUNC(rs_ft0t1, NOP, NOP, TEX0, TEX1, TEX0_4, TEX1_4, FOG) +SETUPFUNC(rs_g, NOP, COL, NOP, NOP, NOP, NOP, NOP) +SETUPFUNC(rs_gt0, NOP, COL, TEX0, NOP, TEX0_4, NOP, NOP) +SETUPFUNC(rs_gt0t1, NOP, COL, TEX0, TEX1, TEX0_4, TEX1_4, NOP) +SETUPFUNC(rs_gf, NOP, COL, NOP, NOP, NOP, NOP, FOG) +SETUPFUNC(rs_gft0, NOP, COL, TEX0, NOP, TEX0_4, NOP, FOG) +SETUPFUNC(rs_gft0t1, NOP, COL, TEX0, TEX1, TEX0_4, TEX1_4, FOG) + + + +static void rs_invalid( struct vertex_buffer *VB, GLuint start, GLuint end ) +{ + fprintf( stderr, "tdfxRasterSetup(): invalid setup function\n" ); +} + +typedef void (*setupFunc)( struct vertex_buffer *, GLuint, GLuint ); + +static setupFunc setup_func[0x40]; + + +void tdfxDDSetupInit( void ) +{ + int i; + + for (i = 0; i < Elements(setup_func); i++) + setup_func[i] = rs_invalid; + + /* Functions to build vertices from scratch */ + setup_func[TDFX_WIN_BIT|TDFX_TEX0_BIT] = rs_wt0; + setup_func[TDFX_WIN_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_wt0t1; + setup_func[TDFX_WIN_BIT|TDFX_FOG_BIT|TDFX_TEX0_BIT] = rs_wft0; + setup_func[TDFX_WIN_BIT|TDFX_FOG_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_wft0t1; + setup_func[TDFX_WIN_BIT|TDFX_RGBA_BIT] = rs_wg; + setup_func[TDFX_WIN_BIT|TDFX_RGBA_BIT|TDFX_TEX0_BIT] = rs_wgt0; + setup_func[TDFX_WIN_BIT|TDFX_RGBA_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_wgt0t1; + setup_func[TDFX_WIN_BIT|TDFX_RGBA_BIT|TDFX_FOG_BIT] = rs_wgf; + setup_func[TDFX_WIN_BIT|TDFX_RGBA_BIT|TDFX_FOG_BIT|TDFX_TEX0_BIT] = rs_wgft0; + setup_func[TDFX_WIN_BIT|TDFX_RGBA_BIT|TDFX_FOG_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_wgft0t1; + + /* Repair functions */ + setup_func[TDFX_TEX0_BIT] = rs_t0; + setup_func[TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_t0t1; + setup_func[TDFX_FOG_BIT] = rs_f; + setup_func[TDFX_FOG_BIT|TDFX_TEX0_BIT] = rs_ft0; + setup_func[TDFX_FOG_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_ft0t1; + setup_func[TDFX_RGBA_BIT] = rs_g; + setup_func[TDFX_RGBA_BIT|TDFX_TEX0_BIT] = rs_gt0; + setup_func[TDFX_RGBA_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_gt0t1; + setup_func[TDFX_RGBA_BIT|TDFX_FOG_BIT] = rs_gf; + setup_func[TDFX_RGBA_BIT|TDFX_FOG_BIT|TDFX_TEX0_BIT] = rs_gft0; + setup_func[TDFX_RGBA_BIT|TDFX_FOG_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT] = rs_gft0t1; +} + + +void tdfxPrintSetupFlags( char *msg, GLuint flags ) +{ + fprintf( stderr, "%s: 0x%x %s%s%s%s%s\n", + msg, + (int)flags, + (flags & TDFX_WIN_BIT) ? " xyzw," : "", + (flags & TDFX_RGBA_BIT) ? " rgba," : "", + (flags & TDFX_FOG_BIT) ? " fog," : "", + (flags & TDFX_TEX0_BIT) ? " tex-0," : "", + (flags & TDFX_TEX1_BIT) ? " tex-1," : "" ); +} + + +/* ================================================================ + * Raster Setup + */ + +void tdfxDDChooseRasterSetupFunc( GLcontext *ctx ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); + int index = TDFX_WIN_BIT | TDFX_RGBA_BIT; + int vertexFormat = fxMesa->vertexFormat; + + fxMesa->vertsize = 8; + fxMesa->tmu_source[0] = 0; + fxMesa->tmu_source[1] = 1; + fxMesa->tex_dest[0] = TDFX_TEX0_BIT; + fxMesa->tex_dest[1] = TDFX_TEX1_BIT; + fxMesa->vertexFormat = TDFX_LAYOUT_SINGLE; + + if ( ctx->Texture.ReallyEnabled & ENABLE_TEX0 ) { + index |= TDFX_TEX0_BIT; + } + + if ( ctx->Texture.ReallyEnabled & ENABLE_TEX1 ) { + if ( ctx->Texture.ReallyEnabled & ENABLE_TEX0 ) { + fxMesa->vertexFormat = TDFX_LAYOUT_MULTI; + fxMesa->vertsize = 10; + index |= TDFX_TEX1_BIT; + } else { + /* Just a funny way of doing single texturing. + */ + fxMesa->tmu_source[0] = 1; + fxMesa->tex_dest[1] = TDFX_TEX0_BIT; + index |= TDFX_TEX0_BIT; + } + } + + if (ctx->Texture.ReallyEnabled & (ENABLE_TEX0 | ENABLE_TEX1)) { + if ((ctx->VB->TexCoordPtr[0] && ctx->VB->TexCoordPtr[0]->size == 4) || + (ctx->VB->TexCoordPtr[1] && ctx->VB->TexCoordPtr[1]->size == 4)) { + fxMesa->vertexFormat = TDFX_LAYOUT_PROJECT; + } + } + + if ( ctx->Fog.Enabled ) + index |= TDFX_FOG_BIT; + + fxMesa->SetupIndex = index; + ctx->Driver.RasterSetup = setup_func[index]; + + if ( fxMesa->vertexFormat != vertexFormat ) { + fxMesa->dirty |= TDFX_UPLOAD_VERTEX_LAYOUT; + } + + if (0) { + tdfxPrintSetupFlags( "full setup function", index ); + fprintf(stderr, "full setup function %p\n", ctx->Driver.RasterSetup); + } +} + +/* Check to see if vertices need repairing. + */ +void tdfxDDCheckPartialRasterSetup( GLcontext *ctx, + struct gl_pipeline_stage *d ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); + int tmp = fxMesa->SetupDone; + + d->type = 0; + fxMesa->SetupDone = 0; /* cleared if we return */ + + if ( (ctx->Array.Summary & VERT_OBJ_ANY) == 0 ) + return; + if ( ctx->IndirectTriangles ) + return; + + fxMesa->SetupDone = tmp; +} + +/* Repair existing precalculated vertices with new data. + */ +void tdfxDDPartialRasterSetup( struct vertex_buffer *VB ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT( VB->ctx ); + GLuint new = VB->pipeline->new_outputs; + GLuint available = VB->pipeline->outputs; + GLuint index = 0; + + if ( new & VERT_WIN ) { + new = available; + index |= TDFX_WIN_BIT | TDFX_FOG_BIT; + } + + if ( new & VERT_RGBA ) + index |= TDFX_RGBA_BIT; + + if ( new & VERT_TEX0_ANY ) + index |= TDFX_TEX0_BIT; + + if ( new & VERT_TEX1_ANY ) + index |= fxMesa->tex_dest[1]; + + if ( new & VERT_FOG_COORD ) + index |= TDFX_FOG_BIT; + + fxMesa->SetupDone &= ~index; + index &= fxMesa->SetupIndex; + fxMesa->SetupDone |= index; + + if ( 0 ) + tdfxPrintSetupFlags( "partial setup function", index ); + + if ( index ) + setup_func[index]( VB, VB->Start, VB->Count ); +} + +void tdfxDDDoRasterSetup( struct vertex_buffer *VB ) +{ + GLcontext *ctx = VB->ctx; + + if ( VB->Type == VB_CVA_PRECALC ) { + tdfxDDPartialRasterSetup( VB ); + } else if ( ctx->Driver.RasterSetup ) { + ctx->Driver.RasterSetup( VB, VB->CopyStart, VB->Count ); + } +} + + +/* ================================================================ + * Device-specific Vertex Buffers + */ + +void tdfxDDResizeVB( struct vertex_buffer *VB, GLuint size ) +{ + tdfxVertexBufferPtr fxVB = TDFX_DRIVER_DATA(VB); + + while ( fxVB->size < size ) + fxVB->size *= 2; + + ALIGN_FREE( fxVB->vert_store ); + fxVB->vert_store = ALIGN_MALLOC( sizeof(tdfxVertex) * fxVB->size, 32 ); + if ( !fxVB->vert_store ) { + fprintf( stderr, "Cannot allocate vertex store! Exiting...\n" ); + exit( 1 ); + } + + fxVB->verts = (tdfxVertexPtr)fxVB->vert_store; + + gl_vector1ui_free( &fxVB->clipped_elements ); + gl_vector1ui_alloc( &fxVB->clipped_elements, + VEC_WRITABLE, fxVB->size, 32 ); + if ( !fxVB->clipped_elements.start ) { + fprintf( stderr, "Cannot allocate clipped elements! Exiting...\n" ); + exit( 1 ); + } + + ALIGN_FREE( VB->ClipMask ); + VB->ClipMask = (GLubyte *)ALIGN_MALLOC( sizeof(GLubyte) * fxVB->size, 32 ); + if ( !VB->ClipMask ) { + fprintf( stderr, "Cannot allocate clipmask! Exiting...\n" ); + exit( 1 ); + } +} + +void tdfxDDResizeElts( struct vertex_buffer *VB, GLuint size ) +{ +#if 0 + tdfxVertexBufferPtr fxVB = TDFX_DRIVER_DATA(VB); + + FREE(fxVB->elts); + + while (fxVB->elt_size < size) + fxVB->elt_size *= 2; + + FREE(fxVB->elts); + fxVB->elts = MALLOC( sizeof(tdfxVertex *) * fxVB->elt_size ); + if ( !fxVB->elts ) { + fprintf( stderr, "Cannot allocate vertex indirection! Exiting...\n" ); + exit( 1 ); + } +#endif +} + +void tdfxDDRegisterVB( struct vertex_buffer *VB ) +{ + tdfxVertexBufferPtr fxVB; + + fxVB = (tdfxVertexBufferPtr) CALLOC( sizeof(*fxVB) ); + + fxVB->elt_size = fxVB->size = VB->Size * 2; + fxVB->vert_store = ALIGN_MALLOC( sizeof(tdfxVertex) * fxVB->size, 32 ); + if ( !fxVB->vert_store ) { + fprintf( stderr, "Cannot allocate vertex store! Exiting...\n" ); + exit( 1 ); + } + + fxVB->verts = (tdfxVertexPtr)fxVB->vert_store; + +#if 0 + fxVB->elts = MALLOC( sizeof(tdfxVertex *) * fxVB->elt_size ); + if ( !fxVB->elts ) { + fprintf( stderr, "Cannot allocate vertex indirection! Exiting...\n" ); + exit( 1 ); + } +#endif + + gl_vector1ui_alloc( &fxVB->clipped_elements, + VEC_WRITABLE, fxVB->size, 32 ); + if ( !fxVB->clipped_elements.start ) { + fprintf( stderr, "Cannot allocate clipped elements! Exiting...\n" ); + exit( 1 ); + } + + + ALIGN_FREE( VB->ClipMask ); + VB->ClipMask = (GLubyte *)ALIGN_MALLOC( sizeof(GLubyte) * fxVB->size, 32 ); + if ( !VB->ClipMask ) { + fprintf( stderr, "Cannot allocate clipmask! Exiting...\n" ); + exit( 1 ); + } + + VB->driver_data = fxVB; +} + +void tdfxDDUnregisterVB( struct vertex_buffer *VB ) +{ + tdfxVertexBufferPtr fxVB = TDFX_DRIVER_DATA(VB); + + if ( fxVB ) { + if ( fxVB->vert_store ) ALIGN_FREE( fxVB->vert_store ); + if ( fxVB->elts ) ALIGN_FREE( fxVB->elts ); + gl_vector1ui_free( &fxVB->clipped_elements ); + FREE( fxVB ); + VB->driver_data = NULL; + } +} |