"PINTERP",
"CINTERP",
"WPOSXY",
- "FB_WRITE"
+ "FB_WRITE",
+ "FRONTFACING",
};
#if 0
reg.Index = idx;
reg.WriteMask = WRITEMASK_XYZW;
reg.RelAddr = 0;
- reg.CondMask = 0;
+ reg.CondMask = COND_TR;
reg.CondSwizzle = 0;
reg.CondSrc = 0;
reg.pad = 0;
struct prog_dst_register pixel_w = get_temp(c);
struct prog_src_register deltas = get_delta_xy(c);
struct prog_src_register interp_wpos = src_reg(PROGRAM_PAYLOAD, FRAG_ATTRIB_WPOS);
-
-
+
/* deltas.xyw = DELTAS2 deltas.xy, payload.interp_wpos.x
*/
emit_op(c,
struct prog_dst_register dst = dst_reg(PROGRAM_INPUT, idx);
struct prog_src_register interp = src_reg(PROGRAM_PAYLOAD, idx);
struct prog_src_register deltas = get_delta_xy(c);
- struct prog_src_register arg2;
- GLuint opcode;
-
+
/* Need to use PINTERP on attributes which have been
* multiplied by 1/W in the SF program, and LINTERP on those
* which have not:
*/
switch (idx) {
case FRAG_ATTRIB_WPOS:
- opcode = WM_LINTERP;
- arg2 = src_undef();
-
/* Have to treat wpos.xy specially:
*/
emit_op(c,
0,
interp,
deltas,
- arg2);
+ src_undef());
break;
case FRAG_ATTRIB_COL0:
case FRAG_ATTRIB_COL1:
src_undef());
}
break;
+ case FRAG_ATTRIB_FOGC:
+ /* The FOGC input is really special. When a program uses glFogFragCoord,
+ * the results returned are supposed to be (f,0,0,1). But for Mesa GLSL,
+ * the glFrontFacing and glPointCoord values are also stashed in FOGC.
+ * So, write the interpolated fog value to X, then either 0, 1, or the
+ * stashed values to Y, Z, W. Note that this means that
+ * glFogFragCoord.yzw can be wrong in those cases!
+ */
+
+ /* Interpolate the fog coordinate */
+ emit_op(c,
+ WM_PINTERP,
+ dst_mask(dst, WRITEMASK_X),
+ 0,
+ interp,
+ deltas,
+ get_pixel_w(c));
+
+ /* Move the front facing value into FOGC.y if it's needed. */
+ if (c->fp->program.UsesFrontFacing) {
+ emit_op(c,
+ WM_FRONTFACING,
+ dst_mask(dst, WRITEMASK_Y),
+ 0,
+ src_undef(),
+ src_undef(),
+ src_undef());
+ } else {
+ emit_op(c,
+ OPCODE_MOV,
+ dst_mask(dst, WRITEMASK_Y),
+ 0,
+ src_swizzle1(interp, SWIZZLE_ZERO),
+ src_undef(),
+ src_undef());
+ }
+
+ /* Should do the PointCoord thing here. */
+ emit_op(c,
+ OPCODE_MOV,
+ dst_mask(dst, WRITEMASK_ZW),
+ 0,
+ src_swizzle(interp,
+ SWIZZLE_ZERO,
+ SWIZZLE_ZERO,
+ SWIZZLE_ZERO,
+ SWIZZLE_ONE),
+ src_undef(),
+ src_undef());
+ break;
default:
emit_op(c,
WM_PINTERP,
src_undef());
}
-
if (dst.WriteMask & WRITEMASK_XZ) {
struct prog_instruction *swz;
GLuint z = GET_SWZ(src0.Swizzle, Z);
swz->SrcReg[0].NegateBase = 0;
}
-
if (dst.WriteMask & WRITEMASK_YZ) {
emit_op(c,
OPCODE_LIT,
static void emit_fb_write( struct brw_wm_compile *c )
{
struct prog_src_register payload_r0_depth = src_reg(PROGRAM_PAYLOAD, PAYLOAD_DEPTH);
- struct prog_src_register outdepth = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DEPR);
+ struct prog_src_register outdepth = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DEPTH);
struct prog_src_register outcolor;
GLuint i;
struct prog_instruction *inst, *last_inst;
struct brw_context *brw = c->func.brw;
- /* inst->Sampler is not used by backend,
- use it for fb write target and eot */
-
- if (brw->state.nr_draw_regions > 1) {
- for (i = 0 ; i < brw->state.nr_draw_regions; i++) {
- outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i);
- last_inst = inst = emit_op(c,
- WM_FB_WRITE, dst_mask(dst_undef(),0), 0,
- outcolor, payload_r0_depth, outdepth);
- inst->Sampler = (i<<1);
- if (c->fp_fragcolor_emitted) {
- outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLR);
- last_inst = inst = emit_op(c, WM_FB_WRITE, dst_mask(dst_undef(),0),
- 0, outcolor, payload_r0_depth, outdepth);
- inst->Sampler = (i<<1);
- }
- }
- last_inst->Sampler |= 1; //eot
+ /* The inst->Aux field is used for FB write target and the EOT marker */
+
+ if (brw->state.nr_color_regions > 1) {
+ for (i = 0 ; i < brw->state.nr_color_regions; i++) {
+ outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i);
+ last_inst = inst = emit_op(c,
+ WM_FB_WRITE, dst_mask(dst_undef(),0), 0,
+ outcolor, payload_r0_depth, outdepth);
+ inst->Aux = (i<<1);
+ if (c->fp_fragcolor_emitted) {
+ outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLOR);
+ last_inst = inst = emit_op(c, WM_FB_WRITE, dst_mask(dst_undef(),0),
+ 0, outcolor, payload_r0_depth, outdepth);
+ inst->Aux = (i<<1);
+ }
+ }
+ last_inst->Aux |= 1; //eot
}
else {
/* if gl_FragData[0] is written, use it, else use gl_FragColor */
if (c->fp->program.Base.OutputsWritten & (1 << FRAG_RESULT_DATA0))
outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_DATA0);
else
- outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLR);
+ outcolor = src_reg(PROGRAM_OUTPUT, FRAG_RESULT_COLOR);
- inst = emit_op(c, WM_FB_WRITE, dst_mask(dst_undef(),0),
- 0, outcolor, payload_r0_depth, outdepth);
- inst->Sampler = 1|(0<<1);
+ inst = emit_op(c, WM_FB_WRITE, dst_mask(dst_undef(),0),
+ 0, outcolor, payload_r0_depth, outdepth);
+ inst->Aux = 1|(0<<1);
}
}
const struct prog_instruction *inst )
{
if (inst->DstReg.File == PROGRAM_OUTPUT) {
- GLuint idx = inst->DstReg.Index;
- if (idx == FRAG_RESULT_COLR)
- c->fp_fragcolor_emitted = 1;
+ GLuint idx = inst->DstReg.Index;
+ if (idx == FRAG_RESULT_COLOR)
+ c->fp_fragcolor_emitted = 1;
}
}
3);
}
else
- _mesa_printf("UNKNOWN\n");
-
+ _mesa_printf("965 Opcode %d\n", insn->Opcode);
}
}
}
if (INTEL_DEBUG & DEBUG_WM) {
- _mesa_printf("pass_fp:\n");
- print_insns( c->prog_instructions, c->nr_fp_insns );
- _mesa_printf("\n");
+ _mesa_printf("pass_fp:\n");
+ print_insns( c->prog_instructions, c->nr_fp_insns );
+ _mesa_printf("\n");
}
}
projects / mesa.git / blobdiff