From: Keith Whitwell Date: Thu, 15 May 2008 11:39:08 +0000 (+0100) Subject: draw: create specialized vs varients incorporating fetch & emit X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7c99d7fe60e7bb0b7cf103a851aeef4614278ca6;p=mesa.git draw: create specialized vs varients incorporating fetch & emit --- diff --git a/src/gallium/auxiliary/draw/Makefile b/src/gallium/auxiliary/draw/Makefile index 3053682da8f..84877994fbf 100644 --- a/src/gallium/auxiliary/draw/Makefile +++ b/src/gallium/auxiliary/draw/Makefile @@ -26,7 +26,7 @@ C_SOURCES = \ draw_pt_emit.c \ draw_pt_fetch.c \ draw_pt_fetch_emit.c \ - draw_pt_middle_fse.c \ + draw_pt_fetch_shade_emit.c \ draw_pt_fetch_shade_pipeline.c \ draw_pt_post_vs.c \ draw_pt_util.c \ @@ -34,6 +34,7 @@ C_SOURCES = \ draw_pt_vcache.c \ draw_vertex.c \ draw_vs.c \ + draw_vs_varient.c \ draw_vs_exec.c \ draw_vs_llvm.c \ draw_vs_sse.c diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index 3418ee2b886..c095bf3d7b9 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -184,7 +184,9 @@ struct draw_context struct gallivm_cpu_engine *engine; + struct translate *fetch; struct translate_cache *fetch_cache; + struct translate *emit; struct translate_cache *emit_cache; } vs; diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c new file mode 100644 index 00000000000..74945dcfe96 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c @@ -0,0 +1,338 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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: + * Keith Whitwell + */ + + +#include "pipe/p_util.h" +#include "draw/draw_context.h" +#include "draw/draw_private.h" +#include "draw/draw_vbuf.h" +#include "draw/draw_vertex.h" +#include "draw/draw_pt.h" +#include "draw/draw_vs.h" + +#include "translate/translate.h" + +struct fetch_shade_emit; + + +/* Prototype fetch, shade, emit-hw-verts all in one go. + */ +struct fetch_shade_emit { + struct draw_pt_middle_end base; + struct draw_context *draw; + + + /* Temporaries: + */ + const float *constants; + unsigned pitch[PIPE_MAX_ATTRIBS]; + const ubyte *src[PIPE_MAX_ATTRIBS]; + unsigned prim; + + struct draw_vs_varient_key key; + struct draw_vs_varient *active; +}; + + + + +static void fse_prepare( struct draw_pt_middle_end *middle, + unsigned prim, + unsigned opt ) +{ + struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle; + struct draw_context *draw = fse->draw; + unsigned num_vs_inputs = draw->vs.vertex_shader->info.num_inputs; + unsigned num_vs_outputs = draw->vs.vertex_shader->info.num_outputs; + const struct vertex_info *vinfo; + unsigned i; + boolean need_psize = 0; + + + if (draw->pt.user.elts) { + assert(0); + return ; + } + + if (!draw->render->set_primitive( draw->render, + prim )) { + assert(0); + return; + } + + /* Must do this after set_primitive() above: + */ + vinfo = draw->render->get_vertex_info(draw->render); + + + + fse->key.nr_elements = MAX2(num_vs_outputs, /* outputs - translate to hw format */ + num_vs_inputs); /* inputs - fetch from api format */ + + fse->key.output_stride = vinfo->size * 4; + memset(fse->key.element, 0, + fse->key.nr_elements * sizeof(fse->key.element[0])); + + for (i = 0; i < num_vs_inputs; i++) { + const struct pipe_vertex_element *src = &draw->pt.vertex_element[i]; + fse->key.element[i].in.format = src->src_format; + + /* Consider ignoring these, ie make generated programs + * independent of this state: + */ + fse->key.element[i].in.buffer = src->vertex_buffer_index; + fse->key.element[i].in.offset = src->src_offset; + } + + + { + unsigned dst_offset = 0; + + for (i = 0; i < vinfo->num_attribs; i++) { + unsigned emit_sz = 0; + unsigned output_format = PIPE_FORMAT_NONE; + unsigned vs_output = vinfo->src_index[i]; + + switch (vinfo->emit[i]) { + case EMIT_4F: + output_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + emit_sz = 4 * sizeof(float); + break; + case EMIT_3F: + output_format = PIPE_FORMAT_R32G32B32_FLOAT; + emit_sz = 3 * sizeof(float); + break; + case EMIT_2F: + output_format = PIPE_FORMAT_R32G32_FLOAT; + emit_sz = 2 * sizeof(float); + break; + case EMIT_1F: + output_format = PIPE_FORMAT_R32_FLOAT; + emit_sz = 1 * sizeof(float); + break; + case EMIT_1F_PSIZE: + need_psize = 1; + output_format = PIPE_FORMAT_R32_FLOAT; + emit_sz = 1 * sizeof(float); + vs_output = num_vs_outputs + 1; + + break; + default: + assert(0); + break; + } + + /* The elements in the key correspond to vertex shader output + * numbers, not to positions in the hw vertex description -- + * that's handled by the output_offset field. + */ + fse->key.element[vs_output].out.format = output_format; + fse->key.element[vs_output].out.offset = dst_offset; + + dst_offset += emit_sz; + assert(fse->key.output_stride >= dst_offset); + } + } + + /* To make psize work, really need to tell the vertex shader to + * copy that value from input->output. For 'translate' this was + * implicit for all elements. + */ +#if 0 + if (need_psize) { + unsigned input = num_vs_inputs + 1; + const struct pipe_vertex_element *src = &draw->pt.vertex_element[i]; + fse->key.element[i].input_format = PIPE_FORMAT_R32_FLOAT; + fse->key.element[i].input_buffer = 0; //nr_buffers + 1; + fse->key.element[i].input_offset = 0; + + fse->key.nr_elements += 1; + + } +#endif + + /* Would normally look up a vertex shader and peruse its list of + * varients somehow. We omitted that step and put all the + * hardcoded "shaders" into an array. We're just making the + * assumption that this happens to be a matching shader... ie + * you're running isosurf, aren't you? + */ + fse->active = draw_vs_lookup_varient( draw->vs.vertex_shader, + &fse->key ); + + if (!fse->active) { + assert(0); + return ; + } + + /* Now set buffer pointers: + */ + for (i = 0; i < num_vs_inputs; i++) { + unsigned buf = draw->pt.vertex_element[i].vertex_buffer_index; + + fse->active->set_input( fse->active, + i, + + ((const ubyte *) draw->pt.user.vbuffer[buf] + + draw->pt.vertex_buffer[buf].buffer_offset), + + draw->pt.vertex_buffer[buf].pitch ); + } + + fse->active->set_constants( fse->active, + (const float (*)[4])draw->pt.user.constants ); + + //return TRUE; +} + + + + + + + +static void fse_run_linear( struct draw_pt_middle_end *middle, + unsigned start, + unsigned count ) +{ + struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle; + struct draw_context *draw = fse->draw; + unsigned alloc_count = align(count, 4); + char *hw_verts; + + /* XXX: need to flush to get prim_vbuf.c to release its allocation?? + */ + draw_do_flush( draw, DRAW_FLUSH_BACKEND ); + + hw_verts = draw->render->allocate_vertices( draw->render, + (ushort)fse->key.output_stride, + (ushort)alloc_count ); + + if (!hw_verts) { + assert(0); + return; + } + + /* Single routine to fetch vertices, run shader and emit HW verts. + * Clipping and viewport transformation are done elsewhere -- + * either by the API or on hardware, or for some other reason not + * required... + */ + fse->active->run_linear( fse->active, + start, count, + hw_verts ); + + /* Draw arrays path to avoid re-emitting index list again and + * again. + */ + draw->render->draw_arrays( draw->render, + 0, + count ); + + + draw->render->release_vertices( draw->render, + hw_verts, + fse->key.output_stride, + count ); +} + + +static void +fse_run(struct draw_pt_middle_end *middle, + const unsigned *fetch_elts, + unsigned fetch_count, + const ushort *draw_elts, + unsigned draw_count ) +{ + struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle; + struct draw_context *draw = fse->draw; + unsigned alloc_count = align(fetch_count, 4); + void *hw_verts; + + /* XXX: need to flush to get prim_vbuf.c to release its allocation?? + */ + draw_do_flush( draw, DRAW_FLUSH_BACKEND ); + + hw_verts = draw->render->allocate_vertices( draw->render, + (ushort)fse->key.output_stride, + (ushort)alloc_count ); + if (!hw_verts) { + assert(0); + return; + } + + + /* Single routine to fetch vertices, run shader and emit HW verts. + */ + fse->active->run_elts( fse->active, + fetch_elts, + fetch_count, + hw_verts ); + + draw->render->draw( draw->render, + draw_elts, + draw_count ); + + draw->render->release_vertices( draw->render, + hw_verts, + fse->key.output_stride, + fetch_count ); + +} + + +static void fse_finish( struct draw_pt_middle_end *middle ) +{ +} + + +static void +fse_destroy( struct draw_pt_middle_end *middle ) +{ + FREE(middle); +} + +struct draw_pt_middle_end *draw_pt_middle_fse( struct draw_context *draw ) +{ + struct fetch_shade_emit *fse = CALLOC_STRUCT(fetch_shade_emit); + if (!fse) + return NULL; + + fse->base.prepare = fse_prepare; + fse->base.run = fse_run; + fse->base.run_linear = fse_run_linear; + fse->base.finish = fse_finish; + fse->base.destroy = fse_destroy; + fse->draw = draw; + + return &fse->base; +} diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c index 4142dd95891..9b899d404e1 100644 --- a/src/gallium/auxiliary/draw/draw_vs.c +++ b/src/gallium/auxiliary/draw/draw_vs.c @@ -36,6 +36,8 @@ #include "draw_private.h" #include "draw_context.h" #include "draw_vs.h" +#include "translate/translate.h" +#include "translate/translate_cache.h" @@ -90,11 +92,25 @@ boolean draw_vs_init( struct draw_context *draw ) { tgsi_exec_machine_init(&draw->vs.machine); + /* FIXME: give this machine thing a proper constructor: */ draw->vs.machine.Inputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16); - draw->vs.machine.Outputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16); + if (!draw->vs.machine.Inputs) + return FALSE; + draw->vs.machine.Outputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16); + if (!draw->vs.machine.Outputs) + return FALSE; + + draw->vs.emit_cache = translate_cache_create(); + if (!draw->vs.emit_cache) + return FALSE; + + draw->vs.fetch_cache = translate_cache_create(); + if (!draw->vs.fetch_cache) + return FALSE; + return TRUE; } @@ -107,6 +123,71 @@ draw_vs_destroy( struct draw_context *draw ) if (draw->vs.machine.Outputs) align_free(draw->vs.machine.Outputs); + if (draw->vs.fetch_cache) + translate_cache_destroy(draw->vs.fetch_cache); + + if (draw->vs.emit_cache) + translate_cache_destroy(draw->vs.emit_cache); + tgsi_exec_machine_free_data(&draw->vs.machine); } + + +struct draw_vs_varient * +draw_vs_lookup_varient( struct draw_vertex_shader *vs, + const struct draw_vs_varient_key *key ) +{ + struct draw_vs_varient *varient; + unsigned i; + + /* Lookup existing varient: + */ + for (i = 0; i < vs->nr_varients; i++) + if (draw_vs_varient_key_compare(key, &vs->varient[i]->key) == 0) + return vs->varient[i]; + + /* Else have to create a new one: + */ + varient = vs->create_varient( vs, key ); + if (varient == NULL) + return NULL; + + /* Add it to our list: + */ + assert(vs->nr_varients < Elements(vs->varient)); + vs->varient[vs->nr_varients++] = varient; + + /* Done + */ + return varient; +} + + +struct translate * +draw_vs_get_fetch( struct draw_context *draw, + struct translate_key *key ) +{ + if (!draw->vs.fetch || + translate_key_compare(&draw->vs.fetch->key, key) != 0) + { + translate_key_sanitize(key); + draw->vs.fetch = translate_cache_find(draw->vs.fetch_cache, key); + } + + return draw->vs.fetch; +} + +struct translate * +draw_vs_get_emit( struct draw_context *draw, + struct translate_key *key ) +{ + if (!draw->vs.emit || + translate_key_compare(&draw->vs.emit->key, key) != 0) + { + translate_key_sanitize(key); + draw->vs.emit = translate_cache_find(draw->vs.emit_cache, key); + } + + return draw->vs.emit; +} diff --git a/src/gallium/auxiliary/draw/draw_vs.h b/src/gallium/auxiliary/draw/draw_vs.h index f9772b83b85..677be0d28d0 100644 --- a/src/gallium/auxiliary/draw/draw_vs.h +++ b/src/gallium/auxiliary/draw/draw_vs.h @@ -38,10 +38,63 @@ struct draw_context; struct pipe_shader_state; +struct draw_vs_input +{ + enum pipe_format format; + unsigned buffer; + unsigned offset; +}; + +struct draw_vs_output +{ + enum pipe_format format; + unsigned offset; +}; + +struct draw_vs_element { + struct draw_vs_input in; + struct draw_vs_output out; +}; + +struct draw_vs_varient_key { + unsigned output_stride; + unsigned nr_elements; + struct draw_vs_element element[PIPE_MAX_ATTRIBS]; +}; + +struct draw_vs_varient { + struct draw_vs_varient_key key; + + struct draw_vertex_shader *vs; + + void (*set_input)( struct draw_vs_varient *, + unsigned i, + const void *ptr, + unsigned stride ); + + void (*set_constants)( struct draw_vs_varient *, + const float (*constants)[4] ); + + + void (*run_linear)( struct draw_vs_varient *shader, + unsigned start, + unsigned count, + void *output_buffer ); + + void (*run_elts)( struct draw_vs_varient *shader, + const unsigned *elts, + unsigned count, + void *output_buffer ); + + void (*destroy)( struct draw_vs_varient * ); +}; + + /** * Private version of the compiled vertex_shader */ struct draw_vertex_shader { + struct draw_context *draw; /* This member will disappear shortly: */ @@ -49,6 +102,14 @@ struct draw_vertex_shader { struct tgsi_shader_info info; + /* + */ + struct draw_vs_varient *varient[16]; + unsigned nr_varients; + struct draw_vs_varient *(*create_varient)( struct draw_vertex_shader *shader, + const struct draw_vs_varient_key *key ); + + void (*prepare)( struct draw_vertex_shader *shader, struct draw_context *draw ); @@ -68,6 +129,15 @@ struct draw_vertex_shader { }; +struct draw_vs_varient * +draw_vs_lookup_varient( struct draw_vertex_shader *base, + const struct draw_vs_varient_key *key ); + + +/******************************************************************************** + * Internal functions: + */ + struct draw_vertex_shader * draw_create_vs_exec(struct draw_context *draw, const struct pipe_shader_state *templ); @@ -80,8 +150,43 @@ struct draw_vertex_shader * draw_create_vs_llvm(struct draw_context *draw, const struct pipe_shader_state *templ); +/******************************************************************************** + * Helpers for vs implementations that don't do their own fetch/emit varients. + * Means these can be shared between shaders. + */ +struct translate; +struct translate_key; + +struct translate *draw_vs_get_fetch( struct draw_context *draw, + struct translate_key *key ); + + +struct translate *draw_vs_get_emit( struct draw_context *draw, + struct translate_key *key ); + +struct draw_vs_varient *draw_vs_varient_generic( struct draw_vertex_shader *vs, + const struct draw_vs_varient_key *key ); + + + +static INLINE int draw_vs_varient_keysize( const struct draw_vs_varient_key *key ) +{ + return 2 * sizeof(int) + key->nr_elements * sizeof(struct draw_vs_element); +} + +static INLINE int draw_vs_varient_key_compare( const struct draw_vs_varient_key *a, + const struct draw_vs_varient_key *b ) +{ + int keysize = draw_vs_varient_keysize(a); + return memcmp(a, b, keysize); +} + + + + #define MAX_TGSI_VERTICES 4 + #endif diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c index cb80d008cd6..4501877efcf 100644 --- a/src/gallium/auxiliary/draw/draw_vs_exec.c +++ b/src/gallium/auxiliary/draw/draw_vs_exec.c @@ -179,9 +179,11 @@ draw_create_vs_exec(struct draw_context *draw, tgsi_scan_shader(state->tokens, &vs->base.info); + vs->base.draw = draw; vs->base.prepare = vs_exec_prepare; vs->base.run_linear = vs_exec_run_linear; vs->base.delete = vs_exec_delete; + vs->base.create_varient = draw_vs_varient_generic; vs->machine = &draw->vs.machine; return &vs->base; diff --git a/src/gallium/auxiliary/draw/draw_vs_llvm.c b/src/gallium/auxiliary/draw/draw_vs_llvm.c index 171da51dd56..621472ec7c8 100644 --- a/src/gallium/auxiliary/draw/draw_vs_llvm.c +++ b/src/gallium/auxiliary/draw/draw_vs_llvm.c @@ -114,7 +114,9 @@ draw_create_vs_llvm(struct draw_context *draw, tgsi_scan_shader(vs->base.state.tokens, &vs->base.info); + vs->base.draw = draw; vs->base.prepare = vs_llvm_prepare; + vs->base.create_varient = draw_vs_varient_generic; vs->base.run_linear = vs_llvm_run_linear; vs->base.delete = vs_llvm_delete; vs->machine = &draw->machine; diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c index 13ad032bd3e..df94a7e0c7a 100644 --- a/src/gallium/auxiliary/draw/draw_vs_sse.c +++ b/src/gallium/auxiliary/draw/draw_vs_sse.c @@ -155,6 +155,8 @@ draw_create_vs_sse(struct draw_context *draw, tgsi_scan_shader(templ->tokens, &vs->base.info); + vs->base.draw = draw; + vs->base.create_varient = draw_vs_varient_generic; vs->base.prepare = vs_sse_prepare; vs->base.run_linear = vs_sse_run_linear; vs->base.delete = vs_sse_delete; diff --git a/src/gallium/auxiliary/draw/draw_vs_varient.c b/src/gallium/auxiliary/draw/draw_vs_varient.c new file mode 100644 index 00000000000..d27b0f61874 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_vs_varient.c @@ -0,0 +1,229 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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: + * Keith Whitwell + */ + +#include "pipe/p_util.h" +#include "draw/draw_context.h" +#include "draw/draw_private.h" +#include "draw/draw_vbuf.h" +#include "draw/draw_vertex.h" +#include "draw/draw_vs.h" +#include "translate/translate.h" +#include "translate/translate_cache.h" + +/* A first pass at incorporating vertex fetch/emit functionality into + */ +struct draw_vs_varient_generic { + struct draw_vs_varient base; + + + + struct draw_vertex_shader *shader; + struct draw_context *draw; + + /* Basic plan is to run these two translate functions before/after + * the vertex shader's existing run_linear() routine to simulate + * the inclusion of this functionality into the shader... + * + * Next will look at actually including it. + */ + struct translate *fetch; + struct translate *emit; + + const float (*constants)[4]; +}; + + + + +static void vsvg_set_constants( struct draw_vs_varient *varient, + const float (*constants)[4] ) +{ + struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient; + + vsvg->constants = constants; +} + + +static void vsvg_set_input( struct draw_vs_varient *varient, + unsigned buffer, + const void *ptr, + unsigned stride ) +{ + struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient; + + vsvg->fetch->set_buffer(vsvg->fetch, + buffer, + ptr, + stride); +} + + +static void vsvg_run_elts( struct draw_vs_varient *varient, + const unsigned *elts, + unsigned count, + void *output_buffer) +{ + struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient; + + /* Want to do this in small batches for cache locality? + */ + + vsvg->fetch->run_elts( vsvg->fetch, + elts, + count, + output_buffer ); + + //if (!vsvg->base.vs->is_passthrough) + { + vsvg->base.vs->run_linear( vsvg->base.vs, + output_buffer, + output_buffer, + vsvg->constants, + count, + vsvg->base.key.output_stride, + vsvg->base.key.output_stride); + + //if (!vsvg->already_in_emit_format) + + vsvg->emit->set_buffer( vsvg->emit, + 0, + output_buffer, + vsvg->base.key.output_stride ); + + + vsvg->emit->run( vsvg->emit, + 0, count, + output_buffer ); + } +} + + +static void vsvg_run_linear( struct draw_vs_varient *varient, + unsigned start, + unsigned count, + void *output_buffer ) +{ + struct draw_vs_varient_generic *vsvg = (struct draw_vs_varient_generic *)varient; + + //debug_printf("%s %d %d\n", __FUNCTION__, start, count); + + + vsvg->fetch->run( vsvg->fetch, + start, + count, + output_buffer ); + + //if (!vsvg->base.vs->is_passthrough) + { + vsvg->base.vs->run_linear( vsvg->base.vs, + output_buffer, + output_buffer, + vsvg->constants, + count, + vsvg->base.key.output_stride, + vsvg->base.key.output_stride); + + //if (!vsvg->already_in_emit_format) + vsvg->emit->set_buffer( vsvg->emit, + 0, + output_buffer, + vsvg->base.key.output_stride ); + + + vsvg->emit->run( vsvg->emit, + 0, count, + output_buffer ); + } +} + + + +static void vsvg_destroy( struct draw_vs_varient *varient ) +{ + FREE(varient); +} + + +struct draw_vs_varient *draw_vs_varient_generic( struct draw_vertex_shader *vs, + const struct draw_vs_varient_key *key ) +{ + unsigned i; + struct translate_key fetch, emit; + + struct draw_vs_varient_generic *vsvg = CALLOC_STRUCT( draw_vs_varient_generic ); + if (vsvg == NULL) + return NULL; + + vsvg->base.key = *key; + vsvg->base.vs = vs; + vsvg->base.set_input = vsvg_set_input; + vsvg->base.set_constants = vsvg_set_constants; + vsvg->base.run_elts = vsvg_run_elts; + vsvg->base.run_linear = vsvg_run_linear; + vsvg->base.destroy = vsvg_destroy; + + + + /* OK, have to build a new one: + */ + fetch.nr_elements = vs->info.num_inputs; + fetch.output_stride = 0; + for (i = 0; i < vs->info.num_inputs; i++) { + fetch.element[i].input_format = key->element[i].in.format; + fetch.element[i].input_buffer = key->element[i].in.buffer; + fetch.element[i].input_offset = key->element[i].in.offset; + fetch.element[i].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + fetch.element[i].output_offset = fetch.output_stride; + fetch.output_stride += 4 * sizeof(float); + } + + + emit.nr_elements = vs->info.num_outputs; + emit.output_stride = key->output_stride; + for (i = 0; i < vs->info.num_outputs; i++) { + emit.element[i].input_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + emit.element[i].input_buffer = 0; + emit.element[i].input_offset = i * 4 * sizeof(float); + emit.element[i].output_format = key->element[i].out.format; + emit.element[i].output_offset = key->element[i].out.offset; + } + + vsvg->fetch = draw_vs_get_fetch( vs->draw, &fetch ); + vsvg->emit = draw_vs_get_emit( vs->draw, &emit ); + + return &vsvg->base; +} + + + + +