#include "i915_context.h"
#include "i915_state.h"
#include "i915_debug.h"
+#include "i915_fpc.h"
#include "i915_reg.h"
-static uint find_mapping(struct i915_fragment_shader* fs, int unit)
+static uint find_mapping(const struct i915_fragment_shader* fs, int unit)
{
int i;
for (i = 0; i < I915_TEX_UNITS ; i++)
const struct i915_fragment_shader *fs = i915->fs;
const enum interp_mode colorInterp = i915->rasterizer->color_interp;
struct vertex_info vinfo;
- boolean texCoords[I915_TEX_UNITS], colors[2], fog, needW;
+ boolean texCoords[I915_TEX_UNITS], colors[2], fog, needW, face;
uint i;
int src;
memset(texCoords, 0, sizeof(texCoords));
- colors[0] = colors[1] = fog = needW = FALSE;
+ colors[0] = colors[1] = fog = needW = face = FALSE;
memset(&vinfo, 0, sizeof(vinfo));
/* Determine which fragment program inputs are needed. Setup HW vertex
for (i = 0; i < fs->info.num_inputs; i++) {
switch (fs->info.input_semantic_name[i]) {
case TGSI_SEMANTIC_POSITION:
+ {
+ uint unit = I915_SEMANTIC_POS;
+ texCoords[find_mapping(fs, unit)] = TRUE;
+ }
break;
case TGSI_SEMANTIC_COLOR:
assert(fs->info.input_semantic_index[i] < 2);
case TGSI_SEMANTIC_GENERIC:
{
/* texcoords/varyings/other generic */
- /* XXX handle back/front face and point size */
uint unit = fs->info.input_semantic_index[i];
texCoords[find_mapping(fs, unit)] = TRUE;
case TGSI_SEMANTIC_FOG:
fog = TRUE;
break;
+ case TGSI_SEMANTIC_FACE:
+ face = TRUE;
+ break;
default:
+ debug_printf("Unknown input type %d\n", fs->info.input_semantic_name[i]);
assert(0);
}
}
vinfo.hwfmt[1] |= hwtc << (i * 4);
}
+ /* front/back face */
+ if (face) {
+ uint slot = find_mapping(fs, I915_SEMANTIC_FACE);
+ debug_printf("Front/back face is broken\n");
+ /* XXX Because of limitations in the draw module, currently src will be 0
+ * for SEMANTIC_FACE, so this aliases to POS. We need to fix in the draw
+ * module by adding an extra shader output.
+ */
+ src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_FACE, 0);
+ draw_emit_vertex_attr(&vinfo, EMIT_1F, INTERP_CONSTANT, src);
+ vinfo.hwfmt[1] &= ~(TEXCOORDFMT_NOT_PRESENT << (slot * 4));
+ vinfo.hwfmt[1] |= TEXCOORDFMT_1D << (slot * 4);
+ }
+
draw_compute_vertex_size(&vinfo);
if (memcmp(&i915->current.vertex_info, &vinfo, sizeof(vinfo))) {