diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300')
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_context.h | 5 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.c | 131 |
2 files changed, 41 insertions, 95 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h index 980a26ffdd..815a729969 100644 --- a/src/mesa/drivers/dri/r300/r300_context.h +++ b/src/mesa/drivers/dri/r300/r300_context.h @@ -807,10 +807,7 @@ struct r500_fragment_program { int cur_node; int first_node_has_tex; - int alu_offset; - int alu_end; - int tex_offset; - int tex_end; + int temp_reg_offset; /* Hardware constants. * Contains a pointer to the value. The destination of the pointer diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c index 15bc5798e0..c753c2b6f7 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/r500_fragprog.c @@ -65,6 +65,9 @@ #define COMPILE_STATE struct r300_pfs_compile_state *cs = fp->cs +#define R500_US_NUM_TEMP_REGS 128 +#define R500_US_NUM_CONST_REGS 256 + /* "Register" flags */ #define REG_CONSTANT (1 << 8) #define REG_SRC_REL (1 << 9) @@ -121,6 +124,30 @@ static inline GLuint make_strq_swizzle(struct prog_src_register src) { return swiz; } +static int get_temp(struct r500_fragment_program *fp, int slot) { + + COMPILE_STATE; + + int r = slot + fp->temp_reg_offset; + + while (cs->inputs[r].refcount != 0) { + /* Crap, taken. */ + r++; + } + + fp->temp_reg_offset = r - slot; + + if (r >= R500_US_NUM_TEMP_REGS) { + ERROR("Out of hardware temps!\n"); + return 0; + } + + if (r > fp->max_temp_idx) + fp->max_temp_idx = r; + + return r; +} + /* Borrowed verbatim from r300_fragprog since it hasn't changed. */ static GLuint emit_const4fv(struct r500_fragment_program *fp, const GLfloat * cp) @@ -134,8 +161,7 @@ static GLuint emit_const4fv(struct r500_fragment_program *fp, } if (index >= fp->const_nr) { - /* TODO: This should be r5xx nums, not r300 */ - if (index >= PFS_NUM_CONST_REGS) { + if (index >= R500_US_NUM_CONST_REGS) { ERROR("Out of hw constants!\n"); return reg; } @@ -152,15 +178,12 @@ static GLuint make_src(struct r500_fragment_program *fp, struct prog_src_registe GLuint reg; switch (src.File) { case PROGRAM_TEMPORARY: - // reg = (src.Index << 0x1) | 0x1; - reg = src.Index; - if (src.Index > fp->max_temp_idx) - fp->max_temp_idx = src.Index; + reg = get_temp(fp, src.Index); break; case PROGRAM_INPUT: /* Ugly hack needed to work around Mesa; * fragments don't get loaded right otherwise! */ - reg = 0x0; + reg = src.Index; break; case PROGRAM_STATE_VAR: case PROGRAM_NAMED_PARAM: @@ -180,10 +203,7 @@ static GLuint make_dest(struct r500_fragment_program *fp, struct prog_dst_regist GLuint reg; switch (dest.File) { case PROGRAM_TEMPORARY: - // reg = (dest.Index << 0x1) | 0x1; - reg = dest.Index; - if (dest.Index > fp->max_temp_idx) - fp->max_temp_idx = dest.Index; + reg = get_temp(fp, dest.Index); break; case PROGRAM_OUTPUT: /* Eventually we may need to handle multiple @@ -323,7 +343,7 @@ static void emit_mov(struct r500_fragment_program *fp, int counter, struct prog_ /* The r3xx shader uses MAD to implement MOV. We are using CMP, since * it is technically more accurate and recommended by ATI/AMD. */ GLuint src_reg = make_src(fp, src); - fp->inst[counter].inst0 = R500_INST_TYPE_ALU; + fp->inst[counter].inst0 = R500_INST_TYPE_ALU | R500_INST_TEX_SEM_WAIT; fp->inst[counter].inst1 = R500_RGB_ADDR0(src_reg); fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src_reg); fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0 @@ -511,7 +531,7 @@ static GLboolean parse_program(struct r500_fragment_program *fp) src[1] = make_src(fp, fpi->SrcReg[1]); /* Variation on MAD: src0*src1+0 */ fp->inst[counter].inst0 = R500_INST_TYPE_ALU - | mask; + | R500_INST_TEX_SEM_WAIT | mask; fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0]) | R500_RGB_ADDR1(src[1]); fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0]) @@ -639,7 +659,10 @@ static void init_program(r300ContextPtr r300, struct r500_fragment_program *fp) fp->cur_node = 0; fp->first_node_has_tex = 0; fp->const_nr = 0; - fp->max_temp_idx = 0; + /* Size of pixel stack, plus 1. */ + fp->max_temp_idx = 1; + /* Temp register offset. */ + fp->temp_reg_offset = 0; fp->node[0].alu_end = -1; fp->node[0].tex_end = -1; @@ -659,49 +682,6 @@ static void init_program(r300ContextPtr r300, struct r500_fragment_program *fp) * starting from register 0. */ -#if 0 - /* Texcoords come first */ - for (i = 0; i < fp->ctx->Const.MaxTextureUnits; i++) { - if (InputsRead & (FRAG_BIT_TEX0 << i)) { - cs->inputs[FRAG_ATTRIB_TEX0 + i].refcount = 0; - cs->inputs[FRAG_ATTRIB_TEX0 + i].reg = - get_hw_temp(fp, 0); - } - } - InputsRead &= ~FRAG_BITS_TEX_ANY; - - /* fragment position treated as a texcoord */ - if (InputsRead & FRAG_BIT_WPOS) { - cs->inputs[FRAG_ATTRIB_WPOS].refcount = 0; - cs->inputs[FRAG_ATTRIB_WPOS].reg = get_hw_temp(fp, 0); - insert_wpos(&mp->Base); - } - InputsRead &= ~FRAG_BIT_WPOS; - - /* Then primary colour */ - if (InputsRead & FRAG_BIT_COL0) { - cs->inputs[FRAG_ATTRIB_COL0].refcount = 0; - cs->inputs[FRAG_ATTRIB_COL0].reg = get_hw_temp(fp, 0); - } - InputsRead &= ~FRAG_BIT_COL0; - - /* Secondary color */ - if (InputsRead & FRAG_BIT_COL1) { - cs->inputs[FRAG_ATTRIB_COL1].refcount = 0; - cs->inputs[FRAG_ATTRIB_COL1].reg = get_hw_temp(fp, 0); - } - InputsRead &= ~FRAG_BIT_COL1; - - /* Anything else */ - if (InputsRead) { - WARN_ONCE("Don't know how to handle inputs 0x%x\n", InputsRead); - /* force read from hwreg 0 for now */ - for (i = 0; i < 32; i++) - if (InputsRead & (1 << i)) - cs->inputs[i].reg = 0; - } -#endif - /* Pre-parse the mesa program, grabbing refcounts on input/temp regs. * That way, we can free up the reg when it's no longer needed */ @@ -712,35 +692,14 @@ static void init_program(r300ContextPtr r300, struct r500_fragment_program *fp) for (fpi = mp->Base.Instructions; fpi->Opcode != OPCODE_END; fpi++) { int idx; - for (i = 0; i < 3; i++) { idx = fpi->SrcReg[i].Index; - switch (fpi->SrcReg[i].File) { - case PROGRAM_TEMPORARY: - if (!(temps_used & (1 << idx))) { - cs->temps[idx].reg = -1; - cs->temps[idx].refcount = 1; - temps_used |= (1 << idx); - } else - cs->temps[idx].refcount++; - break; - case PROGRAM_INPUT: + if (fpi->SrcReg[i].File == PROGRAM_INPUT) { cs->inputs[idx].refcount++; - break; - default: - break; + if (fp->max_temp_idx < idx) + fp->max_temp_idx = idx; } } - - idx = fpi->DstReg.Index; - if (fpi->DstReg.File == PROGRAM_TEMPORARY) { - if (!(temps_used & (1 << idx))) { - cs->temps[idx].reg = -1; - cs->temps[idx].refcount = 1; - temps_used |= (1 << idx); - } else - cs->temps[idx].refcount++; - } } cs->temp_in_use = temps_used; } @@ -777,16 +736,6 @@ void r500TranslateFragmentShader(r300ContextPtr r300, return; } - /* Finish off */ - fp->node[fp->cur_node].alu_end = - cs->nrslots - fp->node[fp->cur_node].alu_offset - 1; - if (fp->node[fp->cur_node].tex_end < 0) - fp->node[fp->cur_node].tex_end = 0; - fp->alu_offset = 0; - fp->alu_end = cs->nrslots - 1; - //assert(fp->node[fp->cur_node].alu_end >= 0); - //assert(fp->alu_end >= 0); - fp->translated = GL_TRUE; r300UpdateStateParameters(fp->ctx, _NEW_PROGRAM); } |