/* * Copyright 2008 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. */ #ifndef R300_STATE_SHADER_H #define R300_STATE_SHADER_H #include "tgsi/tgsi_parse.h" #include "r300_context.h" #include "r300_debug.h" #include "r300_reg.h" #include "r300_screen.h" /* XXX this all should find its way back to r300_reg */ /* Swizzle tools */ #define R500_SWIZZLE_ZERO 4 #define R500_SWIZZLE_HALF 5 #define R500_SWIZZLE_ONE 6 #define R500_SWIZ_RGB_ZERO ((4 << 0) | (4 << 3) | (4 << 6)) #define R500_SWIZ_RGB_ONE ((6 << 0) | (6 << 3) | (6 << 6)) #define R500_SWIZ_RGB_RGB ((0 << 0) | (1 << 3) | (2 << 6)) #define R500_SWIZ_MOD_NEG 1 #define R500_SWIZ_MOD_ABS 2 #define R500_SWIZ_MOD_NEG_ABS 3 /* Swizzles for inst2 */ #define R500_SWIZ_TEX_STRQ(x) ((x) << 8) #define R500_SWIZ_TEX_RGBA(x) ((x) << 24) /* Swizzles for inst3 */ #define R500_SWIZ_RGB_A(x) ((x) << 2) #define R500_SWIZ_RGB_B(x) ((x) << 15) /* Swizzles for inst4 */ #define R500_SWIZ_ALPHA_A(x) ((x) << 14) #define R500_SWIZ_ALPHA_B(x) ((x) << 21) /* Swizzle for inst5 */ #define R500_SWIZ_RGBA_C(x) ((x) << 14) #define R500_SWIZ_ALPHA_C(x) ((x) << 27) /* Writemasks */ #define R500_TEX_WMASK(x) ((x) << 11) #define R500_ALU_WMASK(x) ((x) << 11) #define R500_ALU_OMASK(x) ((x) << 15) #define R500_W_OMASK (1 << 31) /* TGSI constants. TGSI is like XML: If it can't solve your problems, you're * not using enough of it. */ static const struct tgsi_full_src_register r500_constant_zero = { .SrcRegister.Extended = TRUE, .SrcRegister.File = TGSI_FILE_NULL, .SrcRegisterExtSwz.ExtSwizzleX = TGSI_EXTSWIZZLE_ZERO, .SrcRegisterExtSwz.ExtSwizzleY = TGSI_EXTSWIZZLE_ZERO, .SrcRegisterExtSwz.ExtSwizzleZ = TGSI_EXTSWIZZLE_ZERO, .SrcRegisterExtSwz.ExtSwizzleW = TGSI_EXTSWIZZLE_ZERO, }; static const struct tgsi_full_src_register r500_constant_one = { .SrcRegister.Extended = TRUE, .SrcRegister.File = TGSI_FILE_NULL, .SrcRegisterExtSwz.ExtSwizzleX = TGSI_EXTSWIZZLE_ONE, .SrcRegisterExtSwz.ExtSwizzleY = TGSI_EXTSWIZZLE_ONE, .SrcRegisterExtSwz.ExtSwizzleZ = TGSI_EXTSWIZZLE_ONE, .SrcRegisterExtSwz.ExtSwizzleW = TGSI_EXTSWIZZLE_ONE, }; /* Temporary struct used to hold assembly state while putting together * fragment programs. */ struct r300_fs_asm { /* Pipe context. */ struct r300_context* r300; /* Number of colors. */ unsigned color_count; /* Number of texcoords. */ unsigned tex_count; /* Offset for temporary registers. Inputs and temporaries have no * distinguishing markings, so inputs start at 0 and the first usable * temporary register is after all inputs. */ unsigned temp_offset; /* Number of requested temporary registers. */ unsigned temp_count; /* Offset for immediate constants. Neither R300 nor R500 can do four * inline constants per source, so instead we copy immediates into the * constant buffer. */ unsigned imm_offset; /* Number of immediate constants. */ unsigned imm_count; /* Are depth writes enabled? */ boolean writes_depth; /* Depth write offset. This is the TGSI output that corresponds to * depth writes. */ unsigned depth_output; }; void r300_translate_fragment_shader(struct r300_context* r300, struct r3xx_fragment_shader* fs); static struct r300_fragment_shader r300_passthrough_fragment_shader = { .alu_instruction_count = 1, .tex_instruction_count = 0, .indirections = 0, .shader.stack_size = 1, .instructions[0].alu_rgb_inst = R300_RGB_SWIZA(R300_ALU_ARGC_SRC0C_XYZ) | R300_RGB_SWIZB(R300_ALU_ARGC_SRC0C_XYZ) | R300_RGB_SWIZC(R300_ALU_ARGC_ZERO) | R300_ALU_OUTC_CMP, .instructions[0].alu_rgb_addr = R300_RGB_ADDR0(0) | R300_RGB_ADDR1(0) | R300_RGB_ADDR2(0) | R300_ALU_DSTC_OUTPUT_XYZ, .instructions[0].alu_alpha_inst = R300_ALPHA_SWIZA(R300_ALU_ARGA_SRC0A) | R300_ALPHA_SWIZB(R300_ALU_ARGA_SRC0A) | R300_ALPHA_SWIZC(R300_ALU_ARGA_ZERO) | R300_ALU_OUTA_CMP, .instructions[0].alu_alpha_addr = R300_ALPHA_ADDR0(0) | R300_ALPHA_ADDR1(0) | R300_ALPHA_ADDR2(0) | R300_ALU_DSTA_OUTPUT, }; static struct r500_fragment_shader r500_passthrough_fragment_shader = { .shader.stack_size = 0, .instruction_count = 1, .instructions[0].inst0 = R500_INST_TYPE_OUT | R500_INST_TEX_SEM_WAIT | R500_INST_LAST | R500_INST_RGB_OMASK_RGB | R500_INST_ALPHA_OMASK | R500_INST_RGB_CLAMP | R500_INST_ALPHA_CLAMP, .instructions[0].inst1 = R500_RGB_ADDR0(0) | R500_RGB_ADDR1(0) | R500_RGB_ADDR1_CONST | R500_RGB_ADDR2(0) | R500_RGB_ADDR2_CONST, .instructions[0].inst2 = R500_ALPHA_ADDR0(0) | R500_ALPHA_ADDR1(0) | R500_ALPHA_ADDR1_CONST | R500_ALPHA_ADDR2(0) | R500_ALPHA_ADDR2_CONST, .instructions[0].inst3 = R500_ALU_RGB_SEL_A_SRC0 | R500_ALU_RGB_R_SWIZ_A_R | R500_ALU_RGB_G_SWIZ_A_G | R500_ALU_RGB_B_SWIZ_A_B | R500_ALU_RGB_SEL_B_SRC0 | R500_ALU_RGB_R_SWIZ_B_R | R500_ALU_RGB_B_SWIZ_B_G | R500_ALU_RGB_G_SWIZ_B_B, .instructions[0].inst4 = R500_ALPHA_OP_CMP | R500_ALPHA_SWIZ_A_A | R500_ALPHA_SWIZ_B_A, .instructions[0].inst5 = R500_ALU_RGBA_OP_CMP | R500_ALU_RGBA_R_SWIZ_0 | R500_ALU_RGBA_G_SWIZ_0 | R500_ALU_RGBA_B_SWIZ_0 | R500_ALU_RGBA_A_SWIZ_0, }; static struct r300_fragment_shader r300_texture_fragment_shader = { .alu_instruction_count = 1, .tex_instruction_count = 0, .indirections = 0, .shader.stack_size = 1, .instructions[0].alu_rgb_inst = R300_RGB_SWIZA(R300_ALU_ARGC_SRC0C_XYZ) | R300_RGB_SWIZB(R300_ALU_ARGC_SRC0C_XYZ) | R300_RGB_SWIZC(R300_ALU_ARGC_ZERO) | R300_ALU_OUTC_CMP, .instructions[0].alu_rgb_addr = R300_RGB_ADDR0(0) | R300_RGB_ADDR1(0) | R300_RGB_ADDR2(0) | R300_ALU_DSTC_OUTPUT_XYZ, .instructions[0].alu_alpha_inst = R300_ALPHA_SWIZA(R300_ALU_ARGA_SRC0A) | R300_ALPHA_SWIZB(R300_ALU_ARGA_SRC0A) | R300_ALPHA_SWIZC(R300_ALU_ARGA_ZERO) | R300_ALU_OUTA_CMP, .instructions[0].alu_alpha_addr = R300_ALPHA_ADDR0(0) | R300_ALPHA_ADDR1(0) | R300_ALPHA_ADDR2(0) | R300_ALU_DSTA_OUTPUT, }; static struct r500_fragment_shader r500_texture_fragment_shader = { .shader.stack_size = 1, .instruction_count = 2, .instructions[0].inst0 = R500_INST_TYPE_TEX | R500_INST_TEX_SEM_WAIT | R500_INST_RGB_OMASK_RGB | R500_INST_ALPHA_OMASK | R500_INST_RGB_CLAMP | R500_INST_ALPHA_CLAMP, .instructions[0].inst1 = R500_TEX_ID(0) | R500_TEX_INST_LD | R500_TEX_SEM_ACQUIRE | R500_TEX_IGNORE_UNCOVERED, .instructions[0].inst2 = R500_TEX_SRC_ADDR(0) | R500_TEX_SRC_S_SWIZ_R | R500_TEX_SRC_T_SWIZ_G | R500_TEX_SRC_R_SWIZ_B | R500_TEX_SRC_Q_SWIZ_A | R500_TEX_DST_ADDR(0) | R500_TEX_DST_R_SWIZ_R | R500_TEX_DST_G_SWIZ_G | R500_TEX_DST_B_SWIZ_B | R500_TEX_DST_A_SWIZ_A, .instructions[0].inst3 = 0x0, .instructions[0].inst4 = 0x0, .instructions[0].inst5 = 0x0, .instructions[1].inst0 = R500_INST_TYPE_OUT | R500_INST_TEX_SEM_WAIT | R500_INST_LAST | R500_INST_RGB_OMASK_RGB | R500_INST_ALPHA_OMASK | R500_INST_RGB_CLAMP | R500_INST_ALPHA_CLAMP, .instructions[1].inst1 = R500_RGB_ADDR0(0) | R500_RGB_ADDR1(0) | R500_RGB_ADDR1_CONST | R500_RGB_ADDR2(0) | R500_RGB_ADDR2_CONST, .instructions[1].inst2 = R500_ALPHA_ADDR0(0) | R500_ALPHA_ADDR1(0) | R500_ALPHA_ADDR1_CONST | R500_ALPHA_ADDR2(0) | R500_ALPHA_ADDR2_CONST, .instructions[1].inst3 = R500_ALU_RGB_SEL_A_SRC0 | R500_ALU_RGB_R_SWIZ_A_R | R500_ALU_RGB_G_SWIZ_A_G | R500_ALU_RGB_B_SWIZ_A_B | R500_ALU_RGB_SEL_B_SRC0 | R500_ALU_RGB_R_SWIZ_B_R | R500_ALU_RGB_B_SWIZ_B_G | R500_ALU_RGB_G_SWIZ_B_B, .instructions[1].inst4 = R500_ALPHA_OP_CMP | R500_ALPHA_SWIZ_A_A | R500_ALPHA_SWIZ_B_A, .instructions[1].inst5 = R500_ALU_RGBA_OP_CMP | R500_ALU_RGBA_R_SWIZ_0 | R500_ALU_RGBA_G_SWIZ_0 | R500_ALU_RGBA_B_SWIZ_0 | R500_ALU_RGBA_A_SWIZ_0, }; #endif /* R300_STATE_SHADER_H */