/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "i915_context.h"
#include "i915_state.h"
#include "i915_debug.h"
+#include "i915_fpc.h"
#include "i915_reg.h"
+static uint find_mapping(const struct i915_fragment_shader* fs, int unit)
+{
+ int i;
+ for (i = 0; i < I915_TEX_UNITS ; i++)
+ {
+ if (fs->generic_mapping[i] == unit)
+ return i;
+ }
+ debug_printf("Mapping not found\n");
+ return 0;
+}
+
/***********************************************************************
static void calculate_vertex_layout(struct i915_context *i915)
{
const struct i915_fragment_shader *fs = i915->fs;
- const enum interp_mode colorInterp = i915->rasterizer->color_interp;
struct vertex_info vinfo;
- boolean texCoords[8], colors[2], fog, needW, have_varyings;
+ 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 = have_varyings = 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);
break;
case TGSI_SEMANTIC_GENERIC:
{
- /* texcoords/varyings */
- /* XXX handle back/front face and point size */
+ /* texcoords/varyings/other generic */
uint unit = fs->info.input_semantic_index[i];
- /* Route varyings as tex coords */
- if ( (unit >= 10) && (unit < 18) ) {
- have_varyings = TRUE;
- unit -= 10;
- }
-
- assert(unit < 8);
-
- texCoords[unit] = TRUE;
+ texCoords[find_mapping(fs, unit)] = TRUE;
needW = TRUE;
}
break;
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);
}
}
/* pos */
src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_POSITION, 0);
if (needW) {
- draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_LINEAR, src);
+ draw_emit_vertex_attr(&vinfo, EMIT_4F, src);
vinfo.hwfmt[0] |= S4_VFMT_XYZW;
vinfo.attrib[0].emit = EMIT_4F;
}
else {
- draw_emit_vertex_attr(&vinfo, EMIT_3F, INTERP_LINEAR, src);
+ draw_emit_vertex_attr(&vinfo, EMIT_3F, src);
vinfo.hwfmt[0] |= S4_VFMT_XYZ;
vinfo.attrib[0].emit = EMIT_3F;
}
/* primary color */
if (colors[0]) {
src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_COLOR, 0);
- draw_emit_vertex_attr(&vinfo, EMIT_4UB_BGRA, colorInterp, src);
+ draw_emit_vertex_attr(&vinfo, EMIT_4UB_BGRA, src);
vinfo.hwfmt[0] |= S4_VFMT_COLOR;
}
/* secondary color */
if (colors[1]) {
src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_COLOR, 1);
- draw_emit_vertex_attr(&vinfo, EMIT_4UB_BGRA, colorInterp, src);
+ draw_emit_vertex_attr(&vinfo, EMIT_4UB_BGRA, src);
vinfo.hwfmt[0] |= S4_VFMT_SPEC_FOG;
}
/* fog coord, not fog blend factor */
if (fog) {
src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_FOG, 0);
- draw_emit_vertex_attr(&vinfo, EMIT_1F, INTERP_PERSPECTIVE, src);
+ draw_emit_vertex_attr(&vinfo, EMIT_1F, src);
vinfo.hwfmt[0] |= S4_VFMT_FOG_PARAM;
}
/* texcoords/varyings */
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < I915_TEX_UNITS; i++) {
uint hwtc;
if (texCoords[i]) {
hwtc = TEXCOORDFMT_4D;
- if (!have_varyings)
- src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_GENERIC, i);
- else
- src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_GENERIC, i + 10);
- draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
+ src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_GENERIC, fs->generic_mapping[i]);
+ draw_emit_vertex_attr(&vinfo, EMIT_4F, src);
}
else {
hwtc = TEXCOORDFMT_NOT_PRESENT;
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, 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))) {
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