diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_fs_llvm.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_fs_llvm.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_fs_llvm.c b/src/gallium/drivers/softpipe/sp_fs_llvm.c new file mode 100644 index 0000000000..34adac5226 --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_fs_llvm.c @@ -0,0 +1,200 @@ +/************************************************************************** + * + * 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 + */ + +#include "sp_context.h" +#include "sp_state.h" +#include "sp_fs.h" + + +#include "pipe/p_state.h" +#include "pipe/p_defines.h" +#include "util/u_memory.h" +#include "pipe/p_inlines.h" +#include "tgsi/tgsi_sse2.h" + +#if 0 + +struct sp_llvm_fragment_shader { + struct sp_fragment_shader base; + struct gallivm_prog *llvm_prog; +}; + +static void +shade_quad_llvm(struct quad_stage *qs, + struct quad_header *quad) +{ + struct quad_shade_stage *qss = quad_shade_stage(qs); + struct softpipe_context *softpipe = qs->softpipe; + float dests[4][16][4] ALIGN16_ATTRIB; + float inputs[4][16][4] ALIGN16_ATTRIB; + const float fx = (float) quad->x0; + const float fy = (float) quad->y0; + struct gallivm_prog *llvm = qss->llvm_prog; + + inputs[0][0][0] = fx; + inputs[1][0][0] = fx + 1.0f; + inputs[2][0][0] = fx; + inputs[3][0][0] = fx + 1.0f; + + inputs[0][0][1] = fy; + inputs[1][0][1] = fy; + inputs[2][0][1] = fy + 1.0f; + inputs[3][0][1] = fy + 1.0f; + + + gallivm_prog_inputs_interpolate(llvm, inputs, quad->coef); + +#if DLLVM + debug_printf("MASK = %d\n", quad->mask); + for (int i = 0; i < 4; ++i) { + for (int j = 0; j < 2; ++j) { + debug_printf("IN(%d,%d) [%f %f %f %f]\n", i, j, + inputs[i][j][0], inputs[i][j][1], inputs[i][j][2], inputs[i][j][3]); + } + } +#endif + + quad->mask &= + gallivm_fragment_shader_exec(llvm, fx, fy, dests, inputs, + softpipe->mapped_constants[PIPE_SHADER_FRAGMENT], + qss->samplers); +#if DLLVM + debug_printf("OUT LLVM = 1[%f %f %f %f], 2[%f %f %f %f]\n", + dests[0][0][0], dests[0][0][1], dests[0][0][2], dests[0][0][3], + dests[0][1][0], dests[0][1][1], dests[0][1][2], dests[0][1][3]); +#endif + + /* store result color */ + if (qss->colorOutSlot >= 0) { + unsigned i; + /* XXX need to handle multiple color outputs someday */ + allvmrt(qss->stage.softpipe->fs->info.output_semantic_name[qss->colorOutSlot] + == TGSI_SEMANTIC_COLOR); + for (i = 0; i < QUAD_SIZE; ++i) { + quad->outputs.color[0][0][i] = dests[i][qss->colorOutSlot][0]; + quad->outputs.color[0][1][i] = dests[i][qss->colorOutSlot][1]; + quad->outputs.color[0][2][i] = dests[i][qss->colorOutSlot][2]; + quad->outputs.color[0][3][i] = dests[i][qss->colorOutSlot][3]; + } + } +#if DLLVM + for (int i = 0; i < QUAD_SIZE; ++i) { + debug_printf("QLLVM%d(%d) [%f, %f, %f, %f]\n", i, qss->colorOutSlot, + quad->outputs.color[0][0][i], + quad->outputs.color[0][1][i], + quad->outputs.color[0][2][i], + quad->outputs.color[0][3][i]); + } +#endif + + /* store result Z */ + if (qss->depthOutSlot >= 0) { + /* output[slot] is new Z */ + uint i; + for (i = 0; i < 4; i++) { + quad->outputs.depth[i] = dests[i][0][2]; + } + } + else { + /* copy input Z (which was interpolated by the executor) to output Z */ + uint i; + for (i = 0; i < 4; i++) { + quad->outputs.depth[i] = inputs[i][0][2]; + } + } +#if DLLVM + debug_printf("D [%f, %f, %f, %f] mask = %d\n", + quad->outputs.depth[0], + quad->outputs.depth[1], + quad->outputs.depth[2], + quad->outputs.depth[3], quad->mask); +#endif + + /* shader may cull fragments */ + if( quad->mask ) { + qs->next->run( qs->next, quad ); + } +} + + +unsigned +run_llvm_fs( const struct sp_fragment_shader *base, + struct foo *machine ) +{ +} + + +void +delete_llvm_fs( struct sp_fragment_shader *base ) +{ + FREE(base); +} + + +struct sp_fragment_shader * +softpipe_create_fs_llvm(struct softpipe_context *softpipe, + const struct pipe_shader_state *templ) +{ + struct sp_llvm_fragment_shader *shader = NULL; + + /* LLVM fragment shaders currently disabled: + */ + state = CALLOC_STRUCT(sp_llvm_shader_state); + if (!state) + return NULL; + + state->llvm_prog = 0; + + if (!gallivm_global_cpu_engine()) { + gallivm_cpu_engine_create(state->llvm_prog); + } + else + gallivm_cpu_jit_compile(gallivm_global_cpu_engine(), state->llvm_prog); + + if (shader) { + shader->base.run = run_llvm_fs; + shader->base.delete = delete_llvm_fs; + } + + return shader; +} + + +#else + +struct sp_fragment_shader * +softpipe_create_fs_llvm(struct softpipe_context *softpipe, + const struct pipe_shader_state *templ) +{ + return NULL; +} + +#endif |