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/r300/r300_fs.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/r300/r300_fs.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_fs.c | 207 |
1 files changed, 159 insertions, 48 deletions
diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c index 546ad545a5..60ea9c171d 100644 --- a/src/gallium/drivers/r300/r300_fs.c +++ b/src/gallium/drivers/r300/r300_fs.c @@ -1,6 +1,7 @@ /* * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> * Joakim Sindholt <opensource@zhasha.com> + * Copyright 2009 Marek Olšák <maraeo@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -21,12 +22,58 @@ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#include "r300_fs.h" +#include "util/u_math.h" +#include "util/u_memory.h" + +#include "tgsi/tgsi_dump.h" +#include "r300_context.h" +#include "r300_screen.h" +#include "r300_fs.h" #include "r300_tgsi_to_rc.h" +#include "radeon_code.h" #include "radeon_compiler.h" +/* Convert info about FS input semantics to r300_shader_semantics. */ +void r300_shader_read_fs_inputs(struct tgsi_shader_info* info, + struct r300_shader_semantics* fs_inputs) +{ + int i; + unsigned index; + + r300_shader_semantics_reset(fs_inputs); + + for (i = 0; i < info->num_inputs; i++) { + index = info->input_semantic_index[i]; + + switch (info->input_semantic_name[i]) { + case TGSI_SEMANTIC_COLOR: + assert(index <= ATTR_COLOR_COUNT); + fs_inputs->color[index] = i; + break; + + case TGSI_SEMANTIC_GENERIC: + assert(index <= ATTR_GENERIC_COUNT); + fs_inputs->generic[index] = i; + break; + + case TGSI_SEMANTIC_FOG: + assert(index == 0); + fs_inputs->fog = i; + break; + + case TGSI_SEMANTIC_POSITION: + assert(index == 0); + fs_inputs->wpos = i; + break; + + default: + assert(0); + } + } +} + static void find_output_registers(struct r300_fragment_program_compiler * compiler, struct r300_fragment_shader * fs) { @@ -54,61 +101,69 @@ static void allocate_hardware_inputs( void (*allocate)(void * data, unsigned input, unsigned hwreg), void * mydata) { - struct tgsi_shader_info* info = &((struct r300_fragment_shader*)c->UserData)->info; - int total_colors = 0; - int colors = 0; - int total_generic = 0; - int generic = 0; - int i; - - for (i = 0; i < info->num_inputs; i++) { - switch (info->input_semantic_name[i]) { - case TGSI_SEMANTIC_COLOR: - total_colors++; - break; - case TGSI_SEMANTIC_FOG: - case TGSI_SEMANTIC_GENERIC: - total_generic++; - break; + struct r300_shader_semantics* inputs = + (struct r300_shader_semantics*)c->UserData; + int i, reg = 0; + + /* Allocate input registers. */ + for (i = 0; i < ATTR_COLOR_COUNT; i++) { + if (inputs->color[i] != ATTR_UNUSED) { + allocate(mydata, inputs->color[i], reg++); + } + } + for (i = 0; i < ATTR_GENERIC_COUNT; i++) { + if (inputs->generic[i] != ATTR_UNUSED) { + allocate(mydata, inputs->generic[i], reg++); } } + if (inputs->fog != ATTR_UNUSED) { + allocate(mydata, inputs->fog, reg++); + } + if (inputs->wpos != ATTR_UNUSED) { + allocate(mydata, inputs->wpos, reg++); + } +} - for(i = 0; i < info->num_inputs; i++) { - switch (info->input_semantic_name[i]) { - case TGSI_SEMANTIC_COLOR: - allocate(mydata, i, colors); - colors++; - break; - case TGSI_SEMANTIC_FOG: - case TGSI_SEMANTIC_GENERIC: - allocate(mydata, i, total_colors + generic); - generic++; - break; +static void get_compare_state( + struct r300_context* r300, + struct r300_fragment_program_external_state* state, + unsigned shadow_samplers) +{ + memset(state, 0, sizeof(*state)); + + for (int i = 0; i < r300->sampler_count; i++) { + struct r300_sampler_state* s = r300->sampler_states[i]; + + if (s && s->state.compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { + /* XXX Gallium doesn't provide us with any information regarding + * this mode, so we are screwed. I'm setting 0 = LUMINANCE. */ + state->unit[i].depth_texture_mode = 0; + + /* Fortunately, no need to translate this. */ + state->unit[i].texture_compare_func = s->state.compare_func; } } } -void r300_translate_fragment_shader(struct r300_context* r300, - struct r300_fragment_shader* fs) +static void r300_translate_fragment_shader( + struct r300_context* r300, + struct r300_fragment_shader_code* shader) { + struct r300_fragment_shader* fs = r300->fs; struct r300_fragment_program_compiler compiler; struct tgsi_to_rc ttr; + int wpos = fs->inputs.wpos; + /* Setup the compiler. */ memset(&compiler, 0, sizeof(compiler)); rc_init(&compiler.Base); compiler.Base.Debug = DBG_ON(r300, DBG_FP); - compiler.code = &fs->code; + compiler.code = &shader->code; + compiler.state = shader->compare_state; compiler.is_r500 = r300_screen(r300->context.screen)->caps->is_r500; compiler.AllocateHwInputs = &allocate_hardware_inputs; - compiler.UserData = fs; - - /* TODO: Program compilation depends on texture compare modes, - * which are sampler state. Therefore, programs need to be recompiled - * depending on this state as in the classic Mesa driver. - * - * This is not yet handled correctly. - */ + compiler.UserData = &fs->inputs; find_output_registers(&compiler, fs); @@ -123,20 +178,76 @@ void r300_translate_fragment_shader(struct r300_context* r300, r300_tgsi_to_rc(&ttr, fs->state.tokens); + fs->shadow_samplers = compiler.Base.Program.ShadowSamplers; + + /** + * Transform the program to support WPOS. + * + * Introduce a small fragment at the start of the program that will be + * the only code that directly reads the WPOS input. + * All other code pieces that reference that input will be rewritten + * to read from a newly allocated temporary. */ + if (wpos != ATTR_UNUSED) { + /* Moving the input to some other reg is not really necessary. */ + rc_transform_fragment_wpos(&compiler.Base, wpos, wpos, TRUE); + } + /* Invoke the compiler */ r3xx_compile_fragment_program(&compiler); if (compiler.Base.Error) { - /* Todo: Fallback to software rendering gracefully? */ - fprintf(stderr, "r300 FP: Compiler error: %s\n", compiler.Base.ErrorMsg); - - if (compiler.is_r500) { - memcpy(compiler.code, &r5xx_passthrough_fragment_shader, sizeof(r5xx_passthrough_fragment_shader)); - } else { - memcpy(compiler.code, &r3xx_passthrough_fragment_shader, sizeof(r3xx_passthrough_fragment_shader)); - } + /* XXX failover maybe? */ + DBG(r300, DBG_FP, "r300: Error compiling fragment program: %s\n", + compiler.Base.ErrorMsg); + assert(0); } /* And, finally... */ rc_destroy(&compiler.Base); - fs->translated = TRUE; +} + +boolean r300_pick_fragment_shader(struct r300_context* r300) +{ + struct r300_fragment_shader* fs = r300->fs; + struct r300_fragment_program_external_state state; + struct r300_fragment_shader_code* ptr; + + if (!fs->first) { + /* Build the fragment shader for the first time. */ + fs->first = fs->shader = CALLOC_STRUCT(r300_fragment_shader_code); + + /* BTW shadow samplers will be known after the first translation, + * therefore we set ~0, which means it should look at all sampler + * states. This choice doesn't have any impact on the correctness. */ + get_compare_state(r300, &fs->shader->compare_state, ~0); + r300_translate_fragment_shader(r300, fs->shader); + return TRUE; + + } else if (fs->shadow_samplers) { + get_compare_state(r300, &state, fs->shadow_samplers); + + /* Check if the currently-bound shader has been compiled + * with the texture-compare state we need. */ + if (memcmp(&fs->shader->compare_state, &state, sizeof(state)) != 0) { + /* Search for the right shader. */ + ptr = fs->first; + while (ptr) { + if (memcmp(&ptr->compare_state, &state, sizeof(state)) == 0) { + fs->shader = ptr; + return TRUE; + } + ptr = ptr->next; + } + + /* Not found, gotta compile a new one. */ + ptr = CALLOC_STRUCT(r300_fragment_shader_code); + ptr->next = fs->first; + fs->first = fs->shader = ptr; + + ptr->compare_state = state; + r300_translate_fragment_shader(r300, ptr); + return TRUE; + } + } + + return FALSE; } |