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r5xx: First stab at LIT.

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This commit is contained in:
Corbin Simpson 2008-05-26 12:35:39 -07:00
parent 21b352bb14
commit a2db33219d
1 changed files with 106 additions and 0 deletions
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106
src/mesa/drivers/dri/r300/r500_fragprog.c
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@ -100,6 +100,8 @@
#define MAKE_SWIZ_ALPHA_C(x) (x << 27)
/* Writemasks */
#define R500_WRITEMASK_G 0x2
#define R500_WRITEMASK_A 0x8
#define R500_WRITEMASK_ARGB 0xF
/* 1/(2pi), needed for quick modulus in trig insts
@ -109,6 +111,11 @@ static const GLfloat RCP_2PI[] = {0.15915494309189535,
0.15915494309189535,
0.15915494309189535};
static const GLfloat LIT[] = {127.999999,
127.999999,
127.999999,
-127.999999};
static void dump_program(struct r500_fragment_program *fp);
static inline GLuint make_rgb_swizzle(struct prog_src_register src) {
@ -670,6 +677,105 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
| R500_ALU_RGBA_ADDRD(dest);
break;
case OPCODE_LIT:
/* I think I've got a pretty good path through this.
* MAX temp1, tmp, [0, 0, 0, -128];
* MIN temp1.w, temp1.w, [128];
* POW temp1.z, temp1.y, temp1.w; (3 insts)
* MOV result.xyzw, [1, temp1.y, temp1.z, 1]; */
src[0] = make_src(fp, fpi->SrcReg[0]);
src[1] = emit_const4fv(fp, LIT);
fp->inst[counter].inst0 = R500_INST_TYPE_ALU | R500_INST_TEX_SEM_WAIT
| (R500_WRITEMASK_ARGB << 11);
fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0]) | R500_RGB_ADDR1(src[1]);
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0]) | R500_ALPHA_ADDR1(src[1]);
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(make_rgb_swizzle(fpi->SrcReg[0]))
| R500_ALU_RGB_SEL_B_SRC1
| MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_ZERO);
fp->inst[counter].inst4 = R500_ALPHA_OP_MAX
| R500_ALPHA_ADDRD(get_temp(fp, 0))
| R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(make_alpha_swizzle(fpi->SrcReg[0]))
| R500_ALPHA_SEL_B_SRC1 | R500_ALPHA_SWIZ_B_A;
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAX
| R500_ALU_RGBA_ADDRD(get_temp(fp, 0));
counter++;
fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_A << 11);
fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0));
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0)) | R500_ALPHA_ADDR1(src[1]);
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_RGB)
| R500_ALU_RGB_SEL_B_SRC0
| MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_RGB);
fp->inst[counter].inst4 = R500_ALPHA_OP_MAX
| R500_ALPHA_ADDRD(get_temp(fp, 0))
| R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_A
| R500_ALPHA_SEL_B_SRC1 | R500_ALPHA_SWIZ_B_A | R500_ALPHA_MOD_B_NEG;
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAX
| R500_ALU_RGBA_ADDRD(get_temp(fp, 0));
counter++;
fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_ARGB << 11);
fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0));
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0));
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_RGB);
fp->inst[counter].inst4 = R500_ALPHA_OP_LN2
| R500_ALPHA_ADDRD(get_temp(fp, 1))
| R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_G;
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
| R500_ALU_RGBA_ADDRD(get_temp(fp, 1));
counter++;
fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_ARGB << 11);
fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0))
| R500_RGB_ADDR1(get_temp(fp, 1));
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0))
| R500_ALPHA_ADDR1(get_temp(fp, 1));
/* Select [w, w, w, w] */
temp_swiz = 3 | (3 << 3) | (3 << 6);
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(temp_swiz)
| R500_ALU_RGB_SEL_B_SRC1
| MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_RGB);
fp->inst[counter].inst4 = R500_ALPHA_OP_MAD
| R500_ALPHA_ADDRD(get_temp(fp, 1))
| R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_A
| R500_ALPHA_SEL_B_SRC1 | R500_ALPHA_SWIZ_B_A;
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAD
| R500_ALU_RGBA_ADDRD(get_temp(fp, 1))
| MAKE_SWIZ_RGBA_C(R500_SWIZ_RGB_ZERO)
| MAKE_SWIZ_ALPHA_C(R500_SWIZZLE_ZERO);
counter++;
fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_G << 11);
fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 1));
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 1));
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_RGB);
fp->inst[counter].inst4 = R500_ALPHA_OP_EX2
| R500_ALPHA_ADDRD(get_temp(fp, 0))
| R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_A;
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
| R500_ALU_RGBA_ADDRD(get_temp(fp, 0));
counter++;
emit_alu(fp, counter, fpi);
fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0));
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0));
/* Select [1, y, z, 1] */
temp_swiz = R500_SWIZZLE_ONE | (2 << 3) | (3 << 6);
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(temp_swiz)
| R500_ALU_RGB_SEL_B_SRC0
| MAKE_SWIZ_RGB_B(temp_swiz)
| R500_ALU_RGB_OMOD_DISABLE;
fp->inst[counter].inst4 |= R500_ALPHA_OP_CMP
| R500_ALPHA_ADDRD(dest)
| R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_1
| R500_ALPHA_SEL_B_SRC0 | R500_ALPHA_SWIZ_B_1
| R500_ALPHA_OMOD_DISABLE;
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_CMP
| R500_ALU_RGBA_ADDRD(dest)
| MAKE_SWIZ_RGBA_C(R500_SWIZ_RGB_ZERO)
| MAKE_SWIZ_ALPHA_C(R500_SWIZZLE_ZERO);
break;
case OPCODE_LRP:
/* src0 * src1 + INV(src0) * src2
* 1) MUL src0, src1, temp