r5xx: Add OPCODE_SCS.

It's disabled, though, because it doesn't work. I'll figure it out later...

diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c
index 550cc0d..f6a4f2c 100644 (file)
--- a/src/mesa/drivers/dri/r300/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r500_fragprog.c
@@ -371,7 +371,7 @@ 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 flags, pixel_mask = 0, output_mask = 0, counter = 0, temp_pixel_mask = 0;
 
        if (!inst || inst[0].Opcode == OPCODE_END) {
                ERROR("The program is empty!\n");
@@ -652,6 +652,56 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
                                fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
                                        | R500_ALU_RGBA_ADDRD(dest);
                                break;
+#if 0
+                       case OPCODE_SCS:
+                               /* Do a cosine, then a sine, masking out the channels we want to protect. */
+                               src[0] = make_src(fp, fpi->SrcReg[0]);
+                               /* Cosine only goes in R (x) channel. */
+                               temp_pixel_mask = 0x1 << 11;
+                               fp->inst[counter].inst0 = R500_INST_TYPE_ALU
+                                       | R500_INST_TEX_SEM_WAIT | temp_pixel_mask;
+                               fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0]);
+                               fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0]);
+                               fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
+                                       | MAKE_SWIZ_RGB_A(make_rgb_swizzle(fpi->SrcReg[0]));
+                               fp->inst[counter].inst4 = R500_ALPHA_OP_COS
+                                       | R500_ALPHA_ADDRD(dest)
+                                       | R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(make_alpha_swizzle(fpi->SrcReg[0]));
+                               fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
+                                       | R500_ALU_RGBA_ADDRD(dest);
+                               counter++;
+                               /* Sine only goes in G (y) channel. */
+                               temp_pixel_mask = 0x2 << 11;
+                               fp->inst[counter].inst0 = R500_INST_TYPE_ALU | temp_pixel_mask;
+                               fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0]);
+                               fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0]);
+                               fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
+                                       | MAKE_SWIZ_RGB_A(make_rgb_swizzle(fpi->SrcReg[0]));
+                               fp->inst[counter].inst4 = R500_ALPHA_OP_SIN
+                                       | R500_ALPHA_ADDRD(dest)
+                                       | R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(make_alpha_swizzle(fpi->SrcReg[0]));
+                               fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
+                                       | R500_ALU_RGBA_ADDRD(dest);
+                               counter++;
+                               /* Put 0 into B,A (z,w) channels. */
+                               temp_pixel_mask = 0xC << 11;
+                               fp->inst[counter].inst0 = R500_INST_TYPE_ALU | temp_pixel_mask;
+                               fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0]);
+                               fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0]);
+                               fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
+                                       | MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_ZERO)
+                                       | R500_ALU_RGB_SEL_B_SRC0
+                                       | MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_ZERO);
+                               fp->inst[counter].inst4 = R500_ALPHA_OP_CMP
+                                       | R500_ALPHA_ADDRD(dest)
+                                       | R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(R500_SWIZ_ZERO)
+                                       | R500_ALPHA_SEL_B_SRC0 | MAKE_SWIZ_ALPHA_B(R500_SWIZ_ZERO);
+                               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;
+#endif
                        case OPCODE_SIN:
                                src[0] = make_src(fp, fpi->SrcReg[0]);
                                fp->inst[counter].inst0 = R500_INST_TYPE_ALU