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authorEric Anholt <[email protected]>2009-10-01 14:00:28 -0700
committerEric Anholt <[email protected]>2009-10-01 14:31:04 -0700
commitf9f31b25740887373806cb489e5480dc9b261805 (patch)
tree5415768a81673d0417e7a7698b9b70b931e936f4 /src/mesa/drivers/dri/i915
parent7d4b7460b0e565d0574c00d1d40c426cfebc290d (diff)
i915: Add support for varying inputs.
Diffstat (limited to 'src/mesa/drivers/dri/i915')
-rw-r--r--src/mesa/drivers/dri/i915/i915_context.c2
-rw-r--r--src/mesa/drivers/dri/i915/i915_fragprog.c23
2 files changed, 23 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_context.c b/src/mesa/drivers/dri/i915/i915_context.c
index b342503772b..7d4c7cfbabb 100644
--- a/src/mesa/drivers/dri/i915/i915_context.c
+++ b/src/mesa/drivers/dri/i915/i915_context.c
@@ -142,7 +142,7 @@ i915CreateContext(const __GLcontextModes * mesaVis,
ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS;
-
+ ctx->Const.MaxVarying = I915_TEX_UNITS;
/* Advertise the full hardware capabilities. The new memory
* manager should cope much better with overload situations:
diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c
index 929a6eb8352..66db7e1645c 100644
--- a/src/mesa/drivers/dri/i915/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915/i915_fragprog.c
@@ -122,6 +122,19 @@ src_vector(struct i915_fragment_program *p,
src = i915_emit_decl(p, REG_TYPE_T,
T_TEX0 + (source->Index - FRAG_ATTRIB_TEX0),
D0_CHANNEL_ALL);
+ break;
+
+ case FRAG_ATTRIB_VAR0:
+ case FRAG_ATTRIB_VAR0 + 1:
+ case FRAG_ATTRIB_VAR0 + 2:
+ case FRAG_ATTRIB_VAR0 + 3:
+ case FRAG_ATTRIB_VAR0 + 4:
+ case FRAG_ATTRIB_VAR0 + 5:
+ case FRAG_ATTRIB_VAR0 + 6:
+ case FRAG_ATTRIB_VAR0 + 7:
+ src = i915_emit_decl(p, REG_TYPE_T,
+ T_TEX0 + (source->Index - FRAG_ATTRIB_VAR0),
+ D0_CHANNEL_ALL);
break;
default:
@@ -909,7 +922,7 @@ check_wpos(struct i915_fragment_program *p)
p->wpos_tex = -1;
for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
- if (inputs & FRAG_BIT_TEX(i))
+ if (inputs & (FRAG_BIT_TEX(i) | FRAG_BIT_VAR(i)))
continue;
else if (inputs & FRAG_BIT_WPOS) {
p->wpos_tex = i;
@@ -1140,6 +1153,14 @@ i915ValidateFragmentProgram(struct i915_context *i915)
EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, EMIT_SZ(sz), 0, sz * 4);
}
+ else if (inputsRead & FRAG_BIT_VAR(i)) {
+ int sz = VB->AttribPtr[_TNL_ATTRIB_GENERIC0 + i]->size;
+
+ s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
+ s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz));
+
+ EMIT_ATTR(_TNL_ATTRIB_GENERIC0 + i, EMIT_SZ(sz), 0, sz * 4);
+ }
else if (i == p->wpos_tex) {
/* If WPOS is required, duplicate the XYZ position data in an