diff options
author | Tom Stellard <tstellar@gmail.com> | 2010-12-13 09:11:25 -0800 |
---|---|---|
committer | Tom Stellard <tstellar@gmail.com> | 2011-01-23 17:47:48 -0800 |
commit | c40ec20c273104198f7b3c52af2cd2328833b72b (patch) | |
tree | 153ec8dc8cb6a90e9ddda30d49efe7d740da3973 /src/mesa/drivers/dri/r300/compiler | |
parent | 1bf3c75825da5da84e74b1603f6a58ee17b496c4 (diff) |
r300g: Increase fragment shader limits for r400 cards
r400 fragment shaders now support up to 64 temporary registers,
512 ALU instructions, and 512 TEX instructions.
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler')
4 files changed, 161 insertions, 33 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c index 782671bac0..deba9ca834 100644 --- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c @@ -49,6 +49,11 @@ static void presub_string(char out[10], unsigned int inst) } } +static int get_msb(unsigned int bit, unsigned int r400_ext_addr) +{ + return (r400_ext_addr & bit) ? 1 << 5 : 0; +} + /* just some random things... */ void r300FragmentProgramDump(struct radeon_compiler *c, void *user) { @@ -61,16 +66,21 @@ void r300FragmentProgramDump(struct radeon_compiler *c, void *user) fprintf(stderr, "Hardware program\n"); fprintf(stderr, "----------------\n"); + if (c->is_r400) { + fprintf(stderr, "code_offset_ext: %08x\n", code->r400_code_offset_ext); + } for (n = 0; n <= (code->config & 3); n++) { uint32_t code_addr = code->code_addr[3 - (code->config & 3) + n]; - int alu_offset = (code_addr & R300_ALU_START_MASK) >> R300_ALU_START_SHIFT; - int alu_end = (code_addr & R300_ALU_SIZE_MASK) >> R300_ALU_SIZE_SHIFT; + unsigned int alu_offset = ((code_addr & R300_ALU_START_MASK) >> R300_ALU_START_SHIFT) + + (((code->r400_code_offset_ext >> (24 - (n * 6))) & 0x7) << 6); + unsigned int alu_end = ((code_addr & R300_ALU_SIZE_MASK) >> R300_ALU_SIZE_SHIFT) + + (((code->r400_code_offset_ext >> (27 - (n * 6))) & 0x7) << 6); int tex_offset = (code_addr & R300_TEX_START_MASK) >> R300_TEX_START_SHIFT; int tex_end = (code_addr & R300_TEX_SIZE_MASK) >> R300_TEX_SIZE_SHIFT; - fprintf(stderr, "NODE %d: alu_offset: %d, tex_offset: %d, " - "alu_end: %d, tex_end: %d (code_addr: %08x)\n", n, + fprintf(stderr, "NODE %d: alu_offset: %u, tex_offset: %d, " + "alu_end: %u, tex_end: %d (code_addr: %08x)\n", n, alu_offset, tex_offset, alu_end, tex_end, code_addr); if (n > 0 || (code->config & R300_PFS_CNTL_FIRST_NODE_HAS_TEX)) { @@ -125,11 +135,15 @@ void r300FragmentProgramDump(struct radeon_compiler *c, void *user) for (j = 0; j < 3; ++j) { int regc = code->alu.inst[i].rgb_addr >> (j * 6); int rega = code->alu.inst[i].alpha_addr >> (j * 6); + int msbc = get_msb(R400_ADDR_EXT_RGB_MSB_BIT(j), + code->alu.inst[i].r400_ext_addr); + int msba = get_msb(R400_ADDR_EXT_A_MSB_BIT(j), + code->alu.inst[i].r400_ext_addr); sprintf(srcc[j], "%c%i", - (regc & 32) ? 'c' : 't', regc & 31); + (regc & 32) ? 'c' : 't', (regc & 31) | msbc); sprintf(srca[j], "%c%i", - (rega & 32) ? 'c' : 't', rega & 31); + (rega & 32) ? 'c' : 't', (rega & 31) | msba); } dstc[0] = 0; @@ -141,9 +155,14 @@ void r300FragmentProgramDump(struct radeon_compiler *c, void *user) (code->alu.inst[i]. rgb_addr & R300_ALU_DSTC_REG_Z) ? "z" : ""); if (flags[0] != 0) { + unsigned int msb = get_msb( + R400_ADDRD_EXT_RGB_MSB_BIT, + code->alu.inst[i].r400_ext_addr); + sprintf(dstc, "t%i.%s ", - (code->alu.inst[i]. - rgb_addr >> R300_ALU_DSTC_SHIFT) & 31, + ((code->alu.inst[i]. + rgb_addr >> R300_ALU_DSTC_SHIFT) + & 31) | msb, flags); } sprintf(flags, "%s%s%s", @@ -166,9 +185,13 @@ void r300FragmentProgramDump(struct radeon_compiler *c, void *user) dsta[0] = 0; if (code->alu.inst[i].alpha_addr & R300_ALU_DSTA_REG) { + unsigned int msb = get_msb( + R400_ADDRD_EXT_A_MSB_BIT, + code->alu.inst[i].r400_ext_addr); sprintf(dsta, "t%i.w ", - (code->alu.inst[i]. - alpha_addr >> R300_ALU_DSTA_SHIFT) & 31); + ((code->alu.inst[i]. + alpha_addr >> R300_ALU_DSTA_SHIFT) & 31) + | msb); } if (code->alu.inst[i].alpha_addr & R300_ALU_DSTA_OUTPUT) { sprintf(tmp, "o%i.w ", diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c index 1db8678e89..28d132a5fe 100644 --- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c +++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c @@ -64,6 +64,20 @@ struct r300_emit_state { __FILE__, __FUNCTION__, ##args); \ } while(0) +static unsigned int get_msbs_alu(unsigned int bits) +{ + return (bits >> 6) & 0x7; +} + +/** + * @param lsbs The number of least significant bits + */ +static unsigned int get_msbs_tex(unsigned int bits, unsigned int lsbs) +{ + return (bits >> lsbs) & 0x15; +} + +#define R400_EXT_GET_MSBS(x, lsbs, mask) (((x) >> lsbs) & mask) /** * Mark a temporary register as used. @@ -83,7 +97,7 @@ static unsigned int use_source(struct r300_fragment_program_code* code, struct r return src.Index | (1 << 5); } else if (src.File == RC_FILE_TEMPORARY) { use_temporary(code, src.Index); - return src.Index; + return src.Index & 0x1f; } return 0; @@ -151,11 +165,19 @@ static int emit_alu(struct r300_emit_state * emit, struct rc_pair_instruction* i code->alu.inst[ip].alpha_inst = translate_alpha_opcode(c, inst->Alpha.Opcode); for(j = 0; j < 3; ++j) { + /* Set the RGB address */ unsigned int src = use_source(code, inst->RGB.Src[j]); unsigned int arg; + if (inst->RGB.Src[j].Index >= R300_PFS_NUM_TEMP_REGS) + code->alu.inst[ip].r400_ext_addr |= R400_ADDR_EXT_RGB_MSB_BIT(j); + code->alu.inst[ip].rgb_addr |= src << (6*j); + /* Set the Alpha address */ src = use_source(code, inst->Alpha.Src[j]); + if (inst->Alpha.Src[j].Index >= R300_PFS_NUM_TEMP_REGS) + code->alu.inst[ip].r400_ext_addr |= R400_ADDR_EXT_A_MSB_BIT(j); + code->alu.inst[ip].alpha_addr |= src << (6*j); arg = r300FPTranslateRGBSwizzle(inst->RGB.Arg[j].Source, inst->RGB.Arg[j].Swizzle); @@ -223,8 +245,10 @@ static int emit_alu(struct r300_emit_state * emit, struct rc_pair_instruction* i if (inst->RGB.WriteMask) { use_temporary(code, inst->RGB.DestIndex); + if (inst->RGB.DestIndex >= R300_PFS_NUM_TEMP_REGS) + code->alu.inst[ip].r400_ext_addr |= R400_ADDRD_EXT_RGB_MSB_BIT; code->alu.inst[ip].rgb_addr |= - (inst->RGB.DestIndex << R300_ALU_DSTC_SHIFT) | + ((inst->RGB.DestIndex & 0x1f) << R300_ALU_DSTC_SHIFT) | (inst->RGB.WriteMask << R300_ALU_DSTC_REG_MASK_SHIFT); } if (inst->RGB.OutputWriteMask) { @@ -236,8 +260,10 @@ static int emit_alu(struct r300_emit_state * emit, struct rc_pair_instruction* i if (inst->Alpha.WriteMask) { use_temporary(code, inst->Alpha.DestIndex); + if (inst->Alpha.DestIndex >= R300_PFS_NUM_TEMP_REGS) + code->alu.inst[ip].r400_ext_addr |= R400_ADDRD_EXT_A_MSB_BIT; code->alu.inst[ip].alpha_addr |= - (inst->Alpha.DestIndex << R300_ALU_DSTA_SHIFT) | + ((inst->Alpha.DestIndex & 0x1f) << R300_ALU_DSTA_SHIFT) | R300_ALU_DSTA_REG; } if (inst->Alpha.OutputWriteMask) { @@ -269,6 +295,8 @@ static int finish_node(struct r300_emit_state * emit) unsigned tex_offset; unsigned tex_end; + unsigned int alu_offset_msbs, alu_end_msbs; + if (code->alu.length == emit->node_first_alu) { /* Generate a single NOP for this node */ struct rc_pair_instruction inst; @@ -301,13 +329,48 @@ static int finish_node(struct r300_emit_state * emit) * * Also note that the register specification from AMD is slightly * incorrect in its description of this register. */ - code->code_addr[emit->current_node] = - (alu_offset << R300_ALU_START_SHIFT) | - (alu_end << R300_ALU_SIZE_SHIFT) | - (tex_offset << R300_TEX_START_SHIFT) | - (tex_end << R300_TEX_SIZE_SHIFT) | - emit->node_flags; - + code->code_addr[emit->current_node] = + ((alu_offset << R300_ALU_START_SHIFT) + & R300_ALU_START_MASK) + | ((alu_end << R300_ALU_SIZE_SHIFT) + & R300_ALU_SIZE_MASK) + | ((tex_offset << R300_TEX_START_SHIFT) + & R300_TEX_START_MASK) + | ((tex_end << R300_TEX_SIZE_SHIFT) + & R300_TEX_SIZE_MASK) + | emit->node_flags + | (get_msbs_tex(tex_offset, 5) + << R400_TEX_START_MSB_SHIFT) + | (get_msbs_tex(tex_end, 5) + << R400_TEX_SIZE_MSB_SHIFT) + ; + + /* Write r400 extended instruction fields. These will be ignored on + * r300 cards. */ + alu_offset_msbs = get_msbs_alu(alu_offset); + alu_end_msbs = get_msbs_alu(alu_end); + switch(emit->current_node) { + case 0: + code->r400_code_offset_ext |= + alu_offset_msbs << R400_ALU_START3_MSB_SHIFT + | alu_end_msbs << R400_ALU_SIZE3_MSB_SHIFT; + break; + case 1: + code->r400_code_offset_ext |= + alu_offset_msbs << R400_ALU_START2_MSB_SHIFT + | alu_end_msbs << R400_ALU_SIZE2_MSB_SHIFT; + break; + case 2: + code->r400_code_offset_ext |= + alu_offset_msbs << R400_ALU_START1_MSB_SHIFT + | alu_end_msbs << R400_ALU_SIZE1_MSB_SHIFT; + break; + case 3: + code->r400_code_offset_ext |= + alu_offset_msbs << R400_ALU_START0_MSB_SHIFT + | alu_end_msbs << R400_ALU_SIZE0_MSB_SHIFT; + break; + } return 1; } @@ -348,7 +411,7 @@ static int emit_tex(struct r300_emit_state * emit, struct rc_instruction * inst) unsigned int opcode; PROG_CODE; - if (code->tex.length >= R300_PFS_MAX_TEX_INST) { + if (code->tex.length >= emit->compiler->Base.max_tex_insts) { error("Too many TEX instructions"); return 0; } @@ -376,10 +439,17 @@ static int emit_tex(struct r300_emit_state * emit, struct rc_instruction * inst) use_temporary(code, inst->U.I.SrcReg[0].Index); code->tex.inst[code->tex.length++] = - (inst->U.I.SrcReg[0].Index << R300_SRC_ADDR_SHIFT) | - (dest << R300_DST_ADDR_SHIFT) | - (unit << R300_TEX_ID_SHIFT) | - (opcode << R300_TEX_INST_SHIFT); + ((inst->U.I.SrcReg[0].Index << R300_SRC_ADDR_SHIFT) + & R300_SRC_ADDR_MASK) + | ((dest << R300_DST_ADDR_SHIFT) + & R300_DST_ADDR_MASK) + | (unit << R300_TEX_ID_SHIFT) + | (opcode << R300_TEX_INST_SHIFT) + | (inst->U.I.SrcReg[0].Index >= R300_PFS_NUM_TEMP_REGS ? + R400_SRC_ADDR_EXT_BIT : 0) + | (dest >= R300_PFS_NUM_TEMP_REGS ? + R400_DST_ADDR_EXT_BIT : 0) + ; return 1; } @@ -393,6 +463,7 @@ void r300BuildFragmentProgramHwCode(struct radeon_compiler *c, void *user) struct r300_fragment_program_compiler *compiler = (struct r300_fragment_program_compiler*)c; struct r300_emit_state emit; struct r300_fragment_program_code *code = &compiler->code->code.r300; + unsigned int tex_end; memset(&emit, 0, sizeof(emit)); emit.compiler = compiler; @@ -424,11 +495,28 @@ void r300BuildFragmentProgramHwCode(struct radeon_compiler *c, void *user) finish_node(&emit); code->config |= emit.current_node; /* FIRST_NODE_HAS_TEX set by finish_node */ + + /* Set r400 extended instruction fields. These values will be ignored + * on r300 cards. */ + code->r400_code_offset_ext |= + (get_msbs_alu(0) + << R400_ALU_OFFSET_MSB_SHIFT) + | (get_msbs_alu(code->alu.length - 1) + << R400_ALU_SIZE_MSB_SHIFT); + + tex_end = code->tex.length ? code->tex.length - 1 : 0; code->code_offset = - (0 << R300_PFS_CNTL_ALU_OFFSET_SHIFT) | - ((code->alu.length-1) << R300_PFS_CNTL_ALU_END_SHIFT) | - (0 << R300_PFS_CNTL_TEX_OFFSET_SHIFT) | - ((code->tex.length ? code->tex.length-1 : 0) << R300_PFS_CNTL_TEX_END_SHIFT); + ((0 << R300_PFS_CNTL_ALU_OFFSET_SHIFT) + & R300_PFS_CNTL_ALU_OFFSET_MASK) + | (((code->alu.length - 1) << R300_PFS_CNTL_ALU_END_SHIFT) + & R300_PFS_CNTL_ALU_END_MASK) + | ((0 << R300_PFS_CNTL_TEX_OFFSET_SHIFT) + & R300_PFS_CNTL_TEX_OFFSET_MASK) + | ((tex_end << R300_PFS_CNTL_TEX_END_SHIFT) + & R300_PFS_CNTL_TEX_END_MASK) + | (get_msbs_tex(0, 5) << R400_TEX_START_MSB_SHIFT) + | (get_msbs_tex(tex_end, 6) << R400_TEX_SIZE_MSB_SHIFT) + ; if (emit.current_node < 3) { int shift = 3 - emit.current_node; @@ -438,4 +526,11 @@ void r300BuildFragmentProgramHwCode(struct radeon_compiler *c, void *user) for(i = 0; i < shift; ++i) code->code_addr[i] = 0; } + + if (code->pixsize >= R300_PFS_NUM_TEMP_REGS + || code->alu.length > R300_PFS_MAX_ALU_INST + || code->tex.length > R300_PFS_MAX_TEX_INST) { + + code->r390_mode = 1; + } } diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_code.h b/src/mesa/drivers/dri/r300/compiler/radeon_code.h index b69e81698a..d145166894 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_code.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_code.h @@ -31,6 +31,9 @@ #define R300_PFS_NUM_TEMP_REGS 32 #define R300_PFS_NUM_CONST_REGS 32 +#define R400_PFS_MAX_ALU_INST 512 +#define R400_PFS_MAX_TEX_INST 512 + #define R500_PFS_MAX_INST 512 #define R500_PFS_NUM_TEMP_REGS 128 #define R500_PFS_NUM_CONST_REGS 256 @@ -187,24 +190,29 @@ struct r300_fragment_program_node { */ struct r300_fragment_program_code { struct { - int length; /**< total # of texture instructions used */ - uint32_t inst[R300_PFS_MAX_TEX_INST]; + unsigned int length; /**< total # of texture instructions used */ + uint32_t inst[R400_PFS_MAX_TEX_INST]; } tex; struct { - int length; /**< total # of ALU instructions used */ + unsigned int length; /**< total # of ALU instructions used */ struct { uint32_t rgb_inst; uint32_t rgb_addr; uint32_t alpha_inst; uint32_t alpha_addr; - } inst[R300_PFS_MAX_ALU_INST]; + uint32_t r400_ext_addr; + } inst[R400_PFS_MAX_ALU_INST]; } alu; uint32_t config; /* US_CONFIG */ uint32_t pixsize; /* US_PIXSIZE */ uint32_t code_offset; /* US_CODE_OFFSET */ + uint32_t r400_code_offset_ext; /* US_CODE_EXT */ uint32_t code_addr[4]; /* US_CODE_ADDR */ + /*US_CODE_BANK.R390_MODE: Enables 512 instructions and 64 temporaries + * for r400 cards */ + unsigned int r390_mode:1; }; diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h index e663339589..1e64af06bc 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h @@ -50,6 +50,7 @@ struct radeon_compiler { char * ErrorMsg; /* Hardware specification. */ + unsigned is_r400:1; unsigned is_r500:1; unsigned has_half_swizzles:1; unsigned has_presub:1; @@ -57,6 +58,7 @@ struct radeon_compiler { unsigned max_temp_regs; unsigned max_constants; int max_alu_insts; + unsigned max_tex_insts; /* Whether to remove unused constants and empty holes in constant space. */ unsigned remove_unused_constants:1; |