fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 09:08:10 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

r5xx: Add OPCODE_DST.

Browse source 
Works completely, swizzles and everything.
This commit is contained in:
Corbin Simpson 2008-05-23 00:12:37 -07:00
parent d4e93864b8
commit 34010bcc91
1 changed files with 28 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
src/mesa/drivers/dri/r300/r500_fragprog.c
View file

@ -429,7 +429,7 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
const struct prog_instruction *inst = mp->Base.Instructions;
struct prog_instruction *fpi;
GLuint src[3], dest, temp[2];
int flags, pixel_mask = 0, output_mask = 0, counter = 0;
int temp_swiz, pixel_mask = 0, output_mask = 0, counter = 0;
if (!inst || inst[0].Opcode == OPCODE_END) {
ERROR("The program is empty!\n");
@ -600,6 +600,33 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_DP4
| R500_ALU_RGBA_ADDRD(dest);
break;
case OPCODE_DST:
src[0] = make_src(fp, fpi->SrcReg[0]);
src[1] = make_src(fp, fpi->SrcReg[1]);
/* [1, src0.y*src1.y, src0.z, src1.w]
* So basically MUL with lotsa swizzling. */
emit_alu(fp, counter, fpi);
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
| R500_ALU_RGB_SEL_B_SRC1;
/* Select [1, y, z, 1] */
temp_swiz = (make_rgb_swizzle(fpi->SrcReg[0]) & ~0x7) | R500_SWIZZLE_ONE;
fp->inst[counter].inst3 |= MAKE_SWIZ_RGB_A(temp_swiz);
/* Select [1, y, 1, w] */
temp_swiz = (make_rgb_swizzle(fpi->SrcReg[0]) & ~0x1c7) | R500_SWIZZLE_ONE | (R500_SWIZZLE_ONE << 6);
fp->inst[counter].inst3 |= MAKE_SWIZ_RGB_B(temp_swiz);
fp->inst[counter].inst4 = R500_ALPHA_OP_MAD
| R500_ALPHA_ADDRD(dest)
| R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(R500_SWIZZLE_ONE)
| R500_ALPHA_SEL_B_SRC1 | MAKE_SWIZ_ALPHA_B(make_alpha_swizzle(fpi->SrcReg[1]));
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAD
| R500_ALU_RGBA_ADDRD(dest)
| MAKE_SWIZ_RGBA_C(R500_SWIZ_RGB_ZERO)
| MAKE_SWIZ_ALPHA_C(R500_SWIZZLE_ZERO);
break;
case OPCODE_EX2:
src[0] = make_src(fp, fpi->SrcReg[0]);
emit_alu(fp, counter, fpi);