X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fr300%2Fr300_vs.c;h=31248346bc66b03b642f1414590d526c41055c85;hb=b5e256c76dea2182c82af2a4f66224735701d55a;hp=2cb903bba2fbdb61610cdb846d183f59d18fcdc4;hpb=88e3a5760559e6ced00a57b7157abe156c22be2e;p=mesa.git diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c index 2cb903bba2f..31248346bc6 100644 --- a/src/gallium/drivers/r300/r300_vs.c +++ b/src/gallium/drivers/r300/r300_vs.c @@ -1,5 +1,6 @@ /* * Copyright 2009 Corbin Simpson + * Copyright 2009 Marek Olšák * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -23,89 +24,226 @@ #include "r300_vs.h" #include "r300_context.h" +#include "r300_screen.h" #include "r300_tgsi_to_rc.h" +#include "r300_reg.h" #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_parse.h" #include "radeon_compiler.h" - -static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c) +/* Convert info about VS output semantics into r300_shader_semantics. */ +static void r300_shader_read_vs_outputs( + struct tgsi_shader_info* info, + struct r300_shader_semantics* vs_outputs) { - struct r300_vertex_shader * vs = c->UserData; - struct tgsi_shader_info* info = &vs->info; - boolean pointsize = false; - int out_colors = 0; - int colors = 0; - int out_generic = 0; - int generic = 0; int i; + unsigned index; - /* Fill in the input mapping */ - for (i = 0; i < info->num_inputs; i++) - c->code->inputs[i] = i; + r300_shader_semantics_reset(vs_outputs); - /* Fill in the output mapping */ for (i = 0; i < info->num_outputs; i++) { + index = info->output_semantic_index[i]; + switch (info->output_semantic_name[i]) { + case TGSI_SEMANTIC_POSITION: + assert(index == 0); + vs_outputs->pos = i; + break; + case TGSI_SEMANTIC_PSIZE: - pointsize = true; + assert(index == 0); + vs_outputs->psize = i; break; + case TGSI_SEMANTIC_COLOR: - out_colors++; + assert(index <= ATTR_COLOR_COUNT); + vs_outputs->color[index] = i; break; - case TGSI_SEMANTIC_FOG: + + case TGSI_SEMANTIC_BCOLOR: + assert(index <= ATTR_COLOR_COUNT); + vs_outputs->bcolor[index] = i; + break; + case TGSI_SEMANTIC_GENERIC: - out_generic++; + assert(index <= ATTR_GENERIC_COUNT); + vs_outputs->generic[index] = i; break; + + case TGSI_SEMANTIC_FOG: + assert(index == 0); + vs_outputs->fog = i; + break; + + default: + assert(0); } } +} + +static void r300_shader_vap_output_fmt( + struct r300_shader_semantics* vs_outputs, + uint* hwfmt) +{ + int i, gen_count; + + /* Do the actual vertex_info setup. + * + * vertex_info has four uints of hardware-specific data in it. + * vinfo.hwfmt[0] is R300_VAP_VTX_STATE_CNTL + * vinfo.hwfmt[1] is R300_VAP_VSM_VTX_ASSM + * vinfo.hwfmt[2] is R300_VAP_OUTPUT_VTX_FMT_0 + * vinfo.hwfmt[3] is R300_VAP_OUTPUT_VTX_FMT_1 */ + + hwfmt[0] = 0x5555; /* XXX this is classic Mesa bonghits */ + + /* Position. */ + if (vs_outputs->pos != ATTR_UNUSED) { + hwfmt[1] |= R300_INPUT_CNTL_POS; + hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT; + } else { + assert(0); + } - struct tgsi_parse_context parser; + /* Point size. */ + if (vs_outputs->psize != ATTR_UNUSED) { + hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT; + } - tgsi_parse_init(&parser, vs->state.tokens); + /* Colors. */ + for (i = 0; i < ATTR_COLOR_COUNT; i++) { + if (vs_outputs->color[i] != ATTR_UNUSED) { + hwfmt[1] |= R300_INPUT_CNTL_COLOR; + hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i; + } + } - while (!tgsi_parse_end_of_tokens(&parser)) { - tgsi_parse_token(&parser); + /* XXX Back-face colors. */ - if (parser.FullToken.Token.Type != TGSI_TOKEN_TYPE_DECLARATION) - continue; + /* Texture coordinates. */ + gen_count = 0; + for (i = 0; i < ATTR_GENERIC_COUNT; i++) { + if (vs_outputs->generic[i] != ATTR_UNUSED) { + hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count); + hwfmt[3] |= (4 << (3 * gen_count)); + gen_count++; + } + } - struct tgsi_full_declaration * decl = &parser.FullToken.FullDeclaration; + /* Fog coordinates. */ + if (vs_outputs->fog != ATTR_UNUSED) { + hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count); + hwfmt[3] |= (4 << (3 * gen_count)); + gen_count++; + } - if (decl->Declaration.File != TGSI_FILE_OUTPUT) - continue; + /* XXX magic */ + assert(gen_count <= 8); +} - switch (decl->Semantic.SemanticName) { - case TGSI_SEMANTIC_POSITION: - c->code->outputs[decl->DeclarationRange.First] = 0; - break; - case TGSI_SEMANTIC_PSIZE: - c->code->outputs[decl->DeclarationRange.First] = 1; - break; - case TGSI_SEMANTIC_COLOR: - c->code->outputs[decl->DeclarationRange.First] = 1 + - (pointsize ? 1 : 0) + - colors++; - break; - case TGSI_SEMANTIC_FOG: - case TGSI_SEMANTIC_GENERIC: - c->code->outputs[decl->DeclarationRange.First] = 1 + - (pointsize ? 1 : 0) + - out_colors + - generic++; - break; - default: - debug_printf("r300: vs: Bad semantic declaration %d\n", - decl->Semantic.SemanticName); - break; +/* Set VS output stream locations for SWTCL. */ +static void r300_stream_locations_swtcl( + struct r300_shader_semantics* vs_outputs, + int* output_stream_loc) +{ + int i, tabi = 0, gen_count; + + /* XXX Check whether the numbers (0, 1, 2+i, etc.) are correct. + * These should go to VAP_PROG_STREAM_CNTL/DST_VEC_LOC. */ + + /* Position. */ + output_stream_loc[tabi++] = 0; + + /* Point size. */ + if (vs_outputs->psize != ATTR_UNUSED) { + output_stream_loc[tabi++] = 1; + } + + /* Colors. */ + for (i = 0; i < ATTR_COLOR_COUNT; i++) { + if (vs_outputs->color[i] != ATTR_UNUSED) { + output_stream_loc[tabi++] = 2 + i; + } + } + + /* Back-face colors. */ + for (i = 0; i < ATTR_COLOR_COUNT; i++) { + if (vs_outputs->bcolor[i] != ATTR_UNUSED) { + output_stream_loc[tabi++] = 4 + i; + } + } + + /* Texture coordinates. */ + gen_count = 0; + for (i = 0; i < ATTR_GENERIC_COUNT; i++) { + if (vs_outputs->bcolor[i] != ATTR_UNUSED) { + assert(tabi < 16); + output_stream_loc[tabi++] = 6 + gen_count; + gen_count++; } } - tgsi_parse_free(&parser); + /* Fog coordinates. */ + if (vs_outputs->fog != ATTR_UNUSED) { + assert(tabi < 16); + output_stream_loc[tabi++] = 6 + gen_count; + gen_count++; + } + + /* XXX magic */ + assert(gen_count <= 8); + + for (; tabi < 16;) { + output_stream_loc[tabi++] = -1; + } } +static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c) +{ + struct r300_vertex_shader * vs = c->UserData; + struct r300_shader_semantics* outputs = &vs->outputs; + struct tgsi_shader_info* info = &vs->info; + int i, reg = 0; + + /* Fill in the input mapping */ + for (i = 0; i < info->num_inputs; i++) + c->code->inputs[i] = i; + + /* Position. */ + if (outputs->pos != ATTR_UNUSED) { + c->code->outputs[outputs->pos] = reg++; + } else { + assert(0); + } + + /* Point size. */ + if (outputs->psize != ATTR_UNUSED) { + c->code->outputs[outputs->psize] = reg++; + } + + /* Colors. */ + for (i = 0; i < ATTR_COLOR_COUNT; i++) { + if (outputs->color[i] != ATTR_UNUSED) { + c->code->outputs[outputs->color[i]] = reg++; + } + } + + /* XXX Back-face colors. */ + + /* Texture coordinates. */ + for (i = 0; i < ATTR_GENERIC_COUNT; i++) { + if (outputs->generic[i] != ATTR_UNUSED) { + c->code->outputs[outputs->generic[i]] = reg++; + } + } + + /* Fog coordinates. */ + if (outputs->fog != ATTR_UNUSED) { + c->code->outputs[outputs->fog] = reg++; + } +} void r300_translate_vertex_shader(struct r300_context* r300, struct r300_vertex_shader* vs) @@ -113,10 +251,18 @@ void r300_translate_vertex_shader(struct r300_context* r300, struct r300_vertex_program_compiler compiler; struct tgsi_to_rc ttr; + /* Initialize. */ + r300_shader_read_vs_outputs(&vs->info, &vs->outputs); + r300_shader_vap_output_fmt(&vs->outputs, vs->hwfmt); + + if (!r300_screen(r300->context.screen)->caps->has_tcl) { + r300_stream_locations_swtcl(&vs->outputs, vs->output_stream_loc_swtcl); + } + /* Setup the compiler */ rc_init(&compiler.Base); - compiler.Base.Debug = 1; + compiler.Base.Debug = DBG_ON(r300, DBG_VP); compiler.code = &vs->code; compiler.UserData = vs; @@ -137,7 +283,7 @@ void r300_translate_vertex_shader(struct r300_context* r300, /* Invoke the compiler */ r3xx_compile_vertex_program(&compiler); if (compiler.Base.Error) { - /* Todo: Fail gracefully */ + /* XXX Fail gracefully */ fprintf(stderr, "r300 VP: Compiler error\n"); abort(); } @@ -146,89 +292,3 @@ void r300_translate_vertex_shader(struct r300_context* r300, rc_destroy(&compiler.Base); vs->translated = TRUE; } - - -/* XXX get these to r300_reg */ -#define R300_PVS_DST_OPCODE(x) ((x) << 0) -# define R300_VE_DOT_PRODUCT 1 -# define R300_VE_MULTIPLY 2 -# define R300_VE_ADD 3 -# define R300_VE_MAXIMUM 7 -# define R300_VE_SET_LESS_THAN 10 -#define R300_PVS_DST_MATH_INST (1 << 6) -# define R300_ME_RECIP_DX 6 -#define R300_PVS_DST_MACRO_INST (1 << 7) -# define R300_PVS_MACRO_OP_2CLK_MADD 0 -#define R300_PVS_DST_REG_TYPE(x) ((x) << 8) -# define R300_PVS_DST_REG_TEMPORARY 0 -# define R300_PVS_DST_REG_A0 1 -# define R300_PVS_DST_REG_OUT 2 -# define R300_PVS_DST_REG_OUT_REPL_X 3 -# define R300_PVS_DST_REG_ALT_TEMPORARY 4 -# define R300_PVS_DST_REG_INPUT 5 -#define R300_PVS_DST_OFFSET(x) ((x) << 13) -#define R300_PVS_DST_WE(x) ((x) << 20) -#define R300_PVS_DST_WE_XYZW (0xf << 20) - -#define R300_PVS_SRC_REG_TYPE(x) ((x) << 0) -# define R300_PVS_SRC_REG_TEMPORARY 0 -# define R300_PVS_SRC_REG_INPUT 1 -# define R300_PVS_SRC_REG_CONSTANT 2 -# define R300_PVS_SRC_REG_ALT_TEMPORARY 3 -#define R300_PVS_SRC_OFFSET(x) ((x) << 5) -#define R300_PVS_SRC_SWIZZLE(x) ((x) << 13) -# define R300_PVS_SRC_SELECT_X 0 -# define R300_PVS_SRC_SELECT_Y 1 -# define R300_PVS_SRC_SELECT_Z 2 -# define R300_PVS_SRC_SELECT_W 3 -# define R300_PVS_SRC_SELECT_FORCE_0 4 -# define R300_PVS_SRC_SELECT_FORCE_1 5 -# define R300_PVS_SRC_SWIZZLE_XYZW \ - ((R300_PVS_SRC_SELECT_X | (R300_PVS_SRC_SELECT_Y << 3) | \ - (R300_PVS_SRC_SELECT_Z << 6) | (R300_PVS_SRC_SELECT_W << 9)) << 13) -# define R300_PVS_SRC_SWIZZLE_ZERO \ - ((R300_PVS_SRC_SELECT_FORCE_0 | (R300_PVS_SRC_SELECT_FORCE_0 << 3) | \ - (R300_PVS_SRC_SELECT_FORCE_0 << 6) | \ - (R300_PVS_SRC_SELECT_FORCE_0 << 9)) << 13) -# define R300_PVS_SRC_SWIZZLE_ONE \ - ((R300_PVS_SRC_SELECT_FORCE_1 | (R300_PVS_SRC_SELECT_FORCE_1 << 3) | \ - (R300_PVS_SRC_SELECT_FORCE_1 << 6) | \ - (R300_PVS_SRC_SELECT_FORCE_1 << 9)) << 13) -#define R300_PVS_MODIFIER_X (1 << 25) -#define R300_PVS_MODIFIER_Y (1 << 26) -#define R300_PVS_MODIFIER_Z (1 << 27) -#define R300_PVS_MODIFIER_W (1 << 28) -#define R300_PVS_NEGATE_XYZW \ - (R300_PVS_MODIFIER_X | R300_PVS_MODIFIER_Y | \ - R300_PVS_MODIFIER_Z | R300_PVS_MODIFIER_W) - -struct r300_vertex_program_code r300_passthrough_vertex_shader = { - .length = 8, /* two instructions */ - - /* MOV out[0], in[0] */ - .body.d[0] = R300_PVS_DST_OPCODE(R300_VE_ADD) | - R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | - R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW, - .body.d[1] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | - R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW, - .body.d[2] = R300_PVS_SRC_SWIZZLE_ZERO, - .body.d[3] = 0x0, - - /* MOV out[1], in[1] */ - .body.d[4] = R300_PVS_DST_OPCODE(R300_VE_ADD) | - R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | - R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW, - .body.d[5] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | - R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW, - .body.d[6] = R300_PVS_SRC_SWIZZLE_ZERO, - .body.d[7] = 0x0, - - .inputs[0] = 0, - .inputs[1] = 1, - .outputs[0] = 0, - .outputs[1] = 1, - - .InputsRead = 3, - .OutputsWritten = 3 -}; -