diff options
Diffstat (limited to 'src/mesa/drivers/dri/savage/savagerender.c')
| -rw-r--r-- | src/mesa/drivers/dri/savage/savagerender.c | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/src/mesa/drivers/dri/savage/savagerender.c b/src/mesa/drivers/dri/savage/savagerender.c deleted file mode 100644 index 6687dc5f466..00000000000 --- a/src/mesa/drivers/dri/savage/savagerender.c +++ /dev/null @@ -1,371 +0,0 @@ -/* - * Copyright 2005 Felix Kuehling - * 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, 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 FELIX KUEHLING 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. - */ - -/* - * Render unclipped vertex buffers by emitting vertices directly to - * dma buffers. Use strip/fan hardware primitives where possible. - * Simulate missing primitives with indexed vertices. - */ -#include "main/glheader.h" -#include "main/context.h" -#include "main/macros.h" -#include "main/imports.h" -#include "main/mtypes.h" - -#include "math/m_xform.h" - -#include "tnl/t_context.h" - -#include "savagecontext.h" -#include "savagestate.h" -#include "savageioctl.h" - -/* - * Standard render tab for Savage4 and smooth shading on Savage3D - */ -#define HAVE_POINTS 0 -#define HAVE_LINES 0 -#define HAVE_LINE_STRIPS 0 -#define HAVE_TRIANGLES 1 -#define HAVE_TRI_STRIPS 1 -#define HAVE_TRI_STRIP_1 0 -#define HAVE_TRI_FANS 1 -#define HAVE_POLYGONS 0 -#define HAVE_QUADS 0 -#define HAVE_QUAD_STRIPS 0 - -#define HAVE_ELTS 1 - -#define LOCAL_VARS savageContextPtr imesa = SAVAGE_CONTEXT(ctx) -#define INIT( prim ) do { \ - if (0) fprintf(stderr, "%s\n", __FUNCTION__); \ - savageFlushVertices(imesa); \ - switch (prim) { \ - case GL_TRIANGLES: imesa->HwPrim = SAVAGE_PRIM_TRILIST; break; \ - case GL_TRIANGLE_STRIP: imesa->HwPrim = SAVAGE_PRIM_TRISTRIP; break; \ - case GL_TRIANGLE_FAN: imesa->HwPrim = SAVAGE_PRIM_TRIFAN; break; \ - } \ -} while (0) -#define FLUSH() savageFlushElts(imesa), savageFlushVertices(imesa) - -#define GET_CURRENT_VB_MAX_VERTS() \ - ((imesa->bufferSize/4 - imesa->vtxBuf->used) / imesa->HwVertexSize) -#define GET_SUBSEQUENT_VB_MAX_VERTS() \ - (imesa->bufferSize/4 / imesa->HwVertexSize) - -#define ALLOC_VERTS( nr ) \ - savageAllocVtxBuf( imesa, (nr) * imesa->HwVertexSize ) -#define EMIT_VERTS( ctx, j, nr, buf ) \ - _tnl_emit_vertices_to_buffer(ctx, j, (j)+(nr), buf ) - -#define ELTS_VARS( buf ) GLushort *dest = buf, firstElt = imesa->firstElt -#define ELT_INIT( prim ) INIT(prim) - -/* (size - used - 1 qword for drawing command) * 4 elts per qword */ -#define GET_CURRENT_VB_MAX_ELTS() \ - ((imesa->cmdBuf.size - (imesa->cmdBuf.write - imesa->cmdBuf.base) - 1)*4) -/* (size - space for initial state - 1 qword for drawing command) * 4 elts - * imesa is not defined in validate_render :( */ -#define GET_SUBSEQUENT_VB_MAX_ELTS() \ - ((SAVAGE_CONTEXT(ctx)->cmdBuf.size - \ - (SAVAGE_CONTEXT(ctx)->cmdBuf.start - \ - SAVAGE_CONTEXT(ctx)->cmdBuf.base) - 1)*4) - -#define ALLOC_ELTS(nr) savageAllocElts(imesa, nr) -#define EMIT_ELT(offset, x) do { \ - (dest)[offset] = (GLushort) ((x)+firstElt); \ -} while (0) -#define EMIT_TWO_ELTS(offset, x, y) do { \ - *(GLuint *)(dest + offset) = (((y)+firstElt) << 16) | \ - ((x)+firstElt); \ -} while (0) - -#define INCR_ELTS( nr ) dest += nr -#define ELTPTR dest -#define RELEASE_ELT_VERTS() \ - savageReleaseIndexedVerts(imesa) - -#define EMIT_INDEXED_VERTS( ctx, start, count ) do { \ - GLuint *buf = savageAllocIndexedVerts(imesa, count-start); \ - EMIT_VERTS(ctx, start, count-start, buf); \ -} while (0) - -#define TAG(x) savage_##x -#include "tnl_dd/t_dd_dmatmp.h" - -/* - * On Savage3D triangle fans and strips are broken with flat - * shading. With triangles it wants the color for flat shading in the - * first vertex! So we make another template instance which uses - * triangles only (with reordered vertices: SAVAGE_PRIM_TRILIST_201). - * The reordering is done by the DRM. - */ -#undef HAVE_TRI_STRIPS -#undef HAVE_TRI_FANS -#define HAVE_TRI_STRIPS 0 -#define HAVE_TRI_FANS 0 - -#undef INIT -#define INIT( prim ) do { \ - if (0) fprintf(stderr, "%s\n", __FUNCTION__); \ - savageFlushVertices(imesa); \ - imesa->HwPrim = SAVAGE_PRIM_TRILIST_201; \ -} while(0) - -#undef TAG -#define TAG(x) savage_flat_##x##_s3d -#include "tnl_dd/t_dd_dmatmp.h" - - -/**********************************************************************/ -/* Render pipeline stage */ -/**********************************************************************/ - -static GLboolean savage_run_render( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - tnl_render_func *tab, *tab_elts; - GLboolean valid; - GLuint i; - - if (savageHaveIndexedVerts(imesa)) - savageReleaseIndexedVerts(imesa); - - if (imesa->savageScreen->chipset < S3_SAVAGE4 && - (ctx->_TriangleCaps & DD_FLATSHADE)) { - tab = savage_flat_render_tab_verts_s3d; - tab_elts = savage_flat_render_tab_elts_s3d; - valid = savage_flat_validate_render_s3d( ctx, VB ); - } else { - tab = savage_render_tab_verts; - tab_elts = savage_render_tab_elts; - valid = savage_validate_render( ctx, VB ); - } - - /* Don't handle clipping or vertex manipulations. - */ - if (imesa->RenderIndex != 0 || !valid) { - return GL_TRUE; - } - - tnl->Driver.Render.Start( ctx ); - /* Check RenderIndex again. The ptexHack is detected late in RenderStart. - * Also check for ptex fallbacks detected late. - */ - if (imesa->RenderIndex != 0 || imesa->Fallback != 0) { - return GL_TRUE; - } - - /* setup for hardware culling */ - imesa->raster_primitive = GL_TRIANGLES; - imesa->new_state |= SAVAGE_NEW_CULL; - - /* update and emit state */ - savageDDUpdateHwState(ctx); - savageEmitChangedState(imesa); - - if (VB->Elts) { - tab = tab_elts; - if (!savageHaveIndexedVerts(imesa)) { - if (VB->Count > GET_SUBSEQUENT_VB_MAX_VERTS()) - return GL_TRUE; - EMIT_INDEXED_VERTS(ctx, 0, VB->Count); - } - } - - for (i = 0 ; i < VB->PrimitiveCount ; i++) - { - GLuint prim = _tnl_translate_prim(&VB->Primitive[i]); - GLuint start = VB->Primitive[i].start; - GLuint length = VB->Primitive[i].count; - - if (length) - tab[prim & PRIM_MODE_MASK]( ctx, start, start+length, prim); - } - - tnl->Driver.Render.Finish( ctx ); - - return GL_FALSE; /* finished the pipe */ -} - -struct tnl_pipeline_stage _savage_render_stage = -{ - "savage render", - NULL, - NULL, - NULL, - NULL, - savage_run_render /* run */ -}; - - -/**********************************************************************/ -/* Pipeline stage for texture coordinate normalization */ -/**********************************************************************/ -struct texnorm_stage_data { - GLboolean active; - GLvector4f texcoord[MAX_TEXTURE_UNITS]; -}; - -#define TEXNORM_STAGE_DATA(stage) ((struct texnorm_stage_data *)stage->privatePtr) - - -static GLboolean run_texnorm_stage( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct texnorm_stage_data *store = TEXNORM_STAGE_DATA(stage); - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLuint i; - - if (imesa->Fallback || !store->active) - return GL_TRUE; - - for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) { - const GLbitfield reallyEnabled = ctx->Texture.Unit[i]._ReallyEnabled; - if (reallyEnabled) { - const struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current; - const GLboolean normalizeS = (texObj->Sampler.WrapS == GL_REPEAT); - const GLboolean normalizeT = (reallyEnabled & TEXTURE_2D_BIT) && - (texObj->Sampler.WrapT == GL_REPEAT); - const GLfloat *in = (GLfloat *)VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]->data; - const GLint instride = VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]->stride; - GLfloat (*out)[4] = store->texcoord[i].data; - GLint j; - - if (!ctx->Texture.Unit[i]._ReallyEnabled || - VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]->size == 4) - /* Never try to normalize homogenous tex coords! */ - continue; - - if (normalizeS && normalizeT) { - /* take first texcoords as rough estimate of mean value */ - GLfloat correctionS = -floor(in[0]+0.5); - GLfloat correctionT = -floor(in[1]+0.5); - for (j = 0; j < VB->Count; ++j) { - out[j][0] = in[0] + correctionS; - out[j][1] = in[1] + correctionT; - in = (GLfloat *)((GLubyte *)in + instride); - } - } else if (normalizeS) { - /* take first texcoords as rough estimate of mean value */ - GLfloat correctionS = -floor(in[0]+0.5); - if (reallyEnabled & TEXTURE_2D_BIT) { - for (j = 0; j < VB->Count; ++j) { - out[j][0] = in[0] + correctionS; - out[j][1] = in[1]; - in = (GLfloat *)((GLubyte *)in + instride); - } - } else { - for (j = 0; j < VB->Count; ++j) { - out[j][0] = in[0] + correctionS; - in = (GLfloat *)((GLubyte *)in + instride); - } - } - } else if (normalizeT) { - /* take first texcoords as rough estimate of mean value */ - GLfloat correctionT = -floor(in[1]+0.5); - for (j = 0; j < VB->Count; ++j) { - out[j][0] = in[0]; - out[j][1] = in[1] + correctionT; - in = (GLfloat *)((GLubyte *)in + instride); - } - } - - if (normalizeS || normalizeT) - VB->AttribPtr[_TNL_ATTRIB_TEX0 + i] = &store->texcoord[i]; - } - } - - return GL_TRUE; -} - -/* Called the first time stage->run() is invoked. - */ -static GLboolean alloc_texnorm_data( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct texnorm_stage_data *store; - GLuint i; - - stage->privatePtr = CALLOC(sizeof(*store)); - store = TEXNORM_STAGE_DATA(stage); - if (!store) - return GL_FALSE; - - for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) - _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 ); - - return GL_TRUE; -} - -static void validate_texnorm( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct texnorm_stage_data *store = TEXNORM_STAGE_DATA(stage); - GLuint flags = 0; - - if (((ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) && - (ctx->Texture.Unit[0]._Current->Sampler.WrapS == GL_REPEAT)) || - ((ctx->Texture.Unit[0]._ReallyEnabled & TEXTURE_2D_BIT) && - (ctx->Texture.Unit[0]._Current->Sampler.WrapT == GL_REPEAT))) - flags |= VERT_BIT_TEX0; - - if (((ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) && - (ctx->Texture.Unit[1]._Current->Sampler.WrapS == GL_REPEAT)) || - ((ctx->Texture.Unit[1]._ReallyEnabled & TEXTURE_2D_BIT) && - (ctx->Texture.Unit[1]._Current->Sampler.WrapT == GL_REPEAT))) - flags |= VERT_BIT_TEX1; - - store->active = (flags != 0); -} - -static void free_texnorm_data( struct tnl_pipeline_stage *stage ) -{ - struct texnorm_stage_data *store = TEXNORM_STAGE_DATA(stage); - GLuint i; - - if (store) { - for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) - if (store->texcoord[i].data) - _mesa_vector4f_free( &store->texcoord[i] ); - FREE( store ); - stage->privatePtr = 0; - } -} - -struct tnl_pipeline_stage _savage_texnorm_stage = -{ - "savage texture coordinate normalization stage", /* name */ - NULL, /* private data */ - alloc_texnorm_data, /* run -- initially set to init */ - free_texnorm_data, /* destructor */ - validate_texnorm, - run_texnorm_stage -}; |