| /************************************************************************** |
| * |
| * 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: |
| * Zack Rusin |
| * Keith Whitwell <keith@tungstengraphics.com> |
| * Brian Paul |
| */ |
| |
| #include "util/u_memory.h" |
| #include "pipe/p_shader_tokens.h" |
| #include "draw_private.h" |
| #include "draw_context.h" |
| #include "draw_vs.h" |
| |
| #include "tgsi/tgsi_parse.h" |
| |
| #ifdef MESA_LLVM |
| |
| struct draw_llvm_vertex_shader { |
| struct draw_vertex_shader base; |
| struct tgsi_exec_machine *machine; |
| }; |
| |
| |
| static void |
| vs_llvm_prepare( struct draw_vertex_shader *base, |
| struct draw_context *draw ) |
| { |
| } |
| |
| |
| static void |
| vs_llvm_run_linear( struct draw_vertex_shader *base, |
| const float (*input)[4], |
| float (*output)[4], |
| const void *constants[PIPE_MAX_CONSTANT_BUFFERS], |
| unsigned count, |
| unsigned input_stride, |
| unsigned output_stride ) |
| { |
| struct draw_llvm_vertex_shader *shader = |
| (struct draw_llvm_vertex_shader *)base; |
| } |
| |
| |
| |
| static void |
| vs_llvm_delete( struct draw_vertex_shader *base ) |
| { |
| struct draw_llvm_vertex_shader *shader = |
| (struct draw_llvm_vertex_shader *)base; |
| |
| /* Do something to free compiled shader: |
| */ |
| |
| FREE( (void*) shader->base.state.tokens ); |
| FREE( shader ); |
| } |
| |
| |
| |
| |
| struct draw_vertex_shader * |
| draw_create_vs_llvm(struct draw_context *draw, |
| const struct pipe_shader_state *templ) |
| { |
| struct draw_llvm_vertex_shader *vs; |
| |
| vs = CALLOC_STRUCT( draw_llvm_vertex_shader ); |
| if (vs == NULL) |
| return NULL; |
| |
| /* we make a private copy of the tokens */ |
| vs->base.state.tokens = tgsi_dup_tokens(templ->tokens); |
| if (!vs->base.state.tokens) { |
| FREE(vs); |
| return NULL; |
| } |
| |
| 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->vs.machine; |
| |
| return &vs->base; |
| } |
| |
| |
| |
| |
| |
| #else |
| |
| struct draw_vertex_shader * |
| draw_create_vs_llvm(struct draw_context *draw, |
| const struct pipe_shader_state *shader) |
| { |
| return NULL; |
| } |
| |
| #endif |