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-rw-r--r--src/mesa/drivers/dri/r300/r300_context.h5
-rw-r--r--src/mesa/drivers/dri/r300/r500_fragprog.c131
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);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-16 14:45:07 +0000