diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/gallium/drivers/svga/svga_tgsi.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/drivers/svga/svga_tgsi.c')
-rw-r--r-- | src/gallium/drivers/svga/svga_tgsi.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi.c b/src/gallium/drivers/svga/svga_tgsi.c new file mode 100644 index 0000000000..0cd620189b --- /dev/null +++ b/src/gallium/drivers/svga/svga_tgsi.c @@ -0,0 +1,282 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. 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 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 THE AUTHORS OR COPYRIGHT HOLDERS + * 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. + * + **********************************************************/ + + +#include "pipe/p_compiler.h" +#include "pipe/p_shader_tokens.h" +#include "pipe/p_defines.h" +#include "tgsi/tgsi_parse.h" +#include "tgsi/tgsi_dump.h" +#include "tgsi/tgsi_scan.h" +#include "util/u_memory.h" +#include "util/u_bitmask.h" + +#include "svgadump/svga_shader_dump.h" + +#include "svga_context.h" +#include "svga_tgsi.h" +#include "svga_tgsi_emit.h" +#include "svga_debug.h" + +#include "svga_hw_reg.h" +#include "svga3d_shaderdefs.h" + + +/* Sinkhole used only in error conditions. + */ +static char err_buf[128]; + +#if 0 +static void svga_destroy_shader_emitter( struct svga_shader_emitter *emit ) +{ + if (emit->buf != err_buf) + FREE(emit->buf); +} +#endif + + +static boolean svga_shader_expand( struct svga_shader_emitter *emit ) +{ + char *new_buf; + unsigned newsize = emit->size * 2; + + if(emit->buf != err_buf) + new_buf = REALLOC(emit->buf, emit->size, newsize); + else + new_buf = NULL; + + if (new_buf == NULL) { + emit->ptr = err_buf; + emit->buf = err_buf; + emit->size = sizeof(err_buf); + return FALSE; + } + + emit->size = newsize; + emit->ptr = new_buf + (emit->ptr - emit->buf); + emit->buf = new_buf; + return TRUE; +} + +static INLINE boolean reserve( struct svga_shader_emitter *emit, + unsigned nr_dwords ) +{ + if (emit->ptr - emit->buf + nr_dwords * sizeof(unsigned) >= emit->size) { + if (!svga_shader_expand( emit )) + return FALSE; + } + + return TRUE; +} + +boolean svga_shader_emit_dword( struct svga_shader_emitter *emit, + unsigned dword ) +{ + if (!reserve(emit, 1)) + return FALSE; + + *(unsigned *)emit->ptr = dword; + emit->ptr += sizeof dword; + return TRUE; +} + +boolean svga_shader_emit_dwords( struct svga_shader_emitter *emit, + const unsigned *dwords, + unsigned nr ) +{ + if (!reserve(emit, nr)) + return FALSE; + + memcpy( emit->ptr, dwords, nr * sizeof *dwords ); + emit->ptr += nr * sizeof *dwords; + return TRUE; +} + +boolean svga_shader_emit_opcode( struct svga_shader_emitter *emit, + unsigned opcode ) +{ + SVGA3dShaderInstToken *here; + + if (!reserve(emit, 1)) + return FALSE; + + here = (SVGA3dShaderInstToken *)emit->ptr; + here->value = opcode; + + if (emit->insn_offset) { + SVGA3dShaderInstToken *prev = (SVGA3dShaderInstToken *)(emit->buf + + emit->insn_offset); + prev->size = (here - prev) - 1; + } + + emit->insn_offset = emit->ptr - emit->buf; + emit->ptr += sizeof(unsigned); + return TRUE; +} + +#define SVGA3D_PS_2X (SVGA3D_PS_20 | 1) +#define SVGA3D_VS_2X (SVGA3D_VS_20 | 1) + +static boolean svga_shader_emit_header( struct svga_shader_emitter *emit ) +{ + SVGA3dShaderVersion header; + + memset( &header, 0, sizeof header ); + + switch (emit->unit) { + case PIPE_SHADER_FRAGMENT: + header.value = emit->use_sm30 ? SVGA3D_PS_30 : SVGA3D_PS_2X; + break; + case PIPE_SHADER_VERTEX: + header.value = emit->use_sm30 ? SVGA3D_VS_30 : SVGA3D_VS_2X; + break; + } + + return svga_shader_emit_dword( emit, header.value ); +} + + + + + +/* Parse TGSI shader and translate to SVGA/DX9 serialized + * representation. + * + * In this function SVGA shader is emitted to an in-memory buffer that + * can be dynamically grown. Once we've finished and know how large + * it is, it will be copied to a hardware buffer for upload. + */ +static struct svga_shader_result * +svga_tgsi_translate( const struct svga_shader *shader, + union svga_compile_key key, + unsigned unit ) +{ + struct svga_shader_result *result = NULL; + struct svga_shader_emitter emit; + int ret = 0; + + memset(&emit, 0, sizeof(emit)); + + emit.use_sm30 = shader->use_sm30; + emit.size = 1024; + emit.buf = MALLOC(emit.size); + if (emit.buf == NULL) { + ret = PIPE_ERROR_OUT_OF_MEMORY; + goto fail; + } + + emit.ptr = emit.buf; + emit.unit = unit; + emit.key = key; + + tgsi_scan_shader( shader->tokens, &emit.info); + + emit.imm_start = emit.info.file_max[TGSI_FILE_CONSTANT] + 1; + + if (unit == PIPE_SHADER_FRAGMENT) + emit.imm_start += key.fkey.num_unnormalized_coords; + + if (unit == PIPE_SHADER_VERTEX) { + emit.imm_start += key.vkey.need_prescale ? 2 : 0; + emit.imm_start += key.vkey.num_zero_stride_vertex_elements; + } + + emit.nr_hw_const = (emit.imm_start + emit.info.file_max[TGSI_FILE_IMMEDIATE] + 1); + + emit.nr_hw_temp = emit.info.file_max[TGSI_FILE_TEMPORARY] + 1; + emit.in_main_func = TRUE; + + if (!svga_shader_emit_header( &emit )) + goto fail; + + if (!svga_shader_emit_instructions( &emit, shader->tokens )) + goto fail; + + result = CALLOC_STRUCT(svga_shader_result); + if (result == NULL) + goto fail; + + result->shader = shader; + result->tokens = (const unsigned *)emit.buf; + result->nr_tokens = (emit.ptr - emit.buf) / sizeof(unsigned); + memcpy(&result->key, &key, sizeof key); + result->id = UTIL_BITMASK_INVALID_INDEX; + + if (SVGA_DEBUG & DEBUG_TGSI) + { + debug_printf( "#####################################\n" ); + debug_printf( "Shader %u below\n", shader->id ); + tgsi_dump( shader->tokens, 0 ); + if (SVGA_DEBUG & DEBUG_TGSI) { + debug_printf( "Shader %u compiled below\n", shader->id ); + svga_shader_dump( result->tokens, + result->nr_tokens , + FALSE ); + } + debug_printf( "#####################################\n" ); + } + + return result; + +fail: + FREE(result); + FREE(emit.buf); + return NULL; +} + + + + +struct svga_shader_result * +svga_translate_fragment_program( const struct svga_fragment_shader *fs, + const struct svga_fs_compile_key *fkey ) +{ + union svga_compile_key key; + memcpy(&key.fkey, fkey, sizeof *fkey); + + return svga_tgsi_translate( &fs->base, + key, + PIPE_SHADER_FRAGMENT ); +} + +struct svga_shader_result * +svga_translate_vertex_program( const struct svga_vertex_shader *vs, + const struct svga_vs_compile_key *vkey ) +{ + union svga_compile_key key; + memcpy(&key.vkey, vkey, sizeof *vkey); + + return svga_tgsi_translate( &vs->base, + key, + PIPE_SHADER_VERTEX ); +} + + +void svga_destroy_shader_result( struct svga_shader_result *result ) +{ + FREE((unsigned *)result->tokens); + FREE(result); +} + |