/* * Copyright 2009 Corbin Simpson * * 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 * on 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 * THE AUTHOR(S) AND/OR THEIR 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. */ #include "r300_vs.h" #include "r300_context.h" #include "r300_tgsi_to_rc.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) { 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; /* Fill in the input mapping */ for (i = 0; i < info->num_inputs; i++) c->code->inputs[i] = i; /* Fill in the output mapping */ for (i = 0; i < info->num_outputs; i++) { switch (info->output_semantic_name[i]) { case TGSI_SEMANTIC_PSIZE: pointsize = true; break; case TGSI_SEMANTIC_COLOR: out_colors++; break; case TGSI_SEMANTIC_FOG: case TGSI_SEMANTIC_GENERIC: out_generic++; break; } } struct tgsi_parse_context parser; tgsi_parse_init(&parser, vs->state.tokens); while (!tgsi_parse_end_of_tokens(&parser)) { tgsi_parse_token(&parser); if (parser.FullToken.Token.Type != TGSI_TOKEN_TYPE_DECLARATION) continue; struct tgsi_full_declaration * decl = &parser.FullToken.FullDeclaration; if (decl->Declaration.File != TGSI_FILE_OUTPUT) continue; 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; } } tgsi_parse_free(&parser); } void r300_translate_vertex_shader(struct r300_context* r300, struct r300_vertex_shader* vs) { struct r300_vertex_program_compiler compiler; struct tgsi_to_rc ttr; /* Setup the compiler */ rc_init(&compiler.Base); compiler.Base.Debug = 1; compiler.code = &vs->code; compiler.UserData = vs; if (compiler.Base.Debug) { debug_printf("r300: Initial vertex program\n"); tgsi_dump(vs->state.tokens, 0); } /* Translate TGSI to our internal representation */ ttr.compiler = &compiler.Base; ttr.info = &vs->info; r300_tgsi_to_rc(&ttr, vs->state.tokens); compiler.RequiredOutputs = ~(~0 << vs->info.num_outputs); compiler.SetHwInputOutput = &set_vertex_inputs_outputs; /* Invoke the compiler */ r3xx_compile_vertex_program(&compiler); if (compiler.Base.Error) { /* Todo: Fail gracefully */ fprintf(stderr, "r300 VP: Compiler error\n"); abort(); } /* And, finally... */ 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 };