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Diffstat (limited to 'src/mesa/main/texenvprogram.c')
-rw-r--r--src/mesa/main/texenvprogram.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 9c84da985e0..a2b9657bbb7 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -35,10 +35,11 @@
#include "texenvprogram.h"
/**
- * According to Glean's texCombine test, no more than 21 instructions
- * are needed. Allow a few extra just in case.
+ * This MAX is probably a bit generous, but that's OK. There can be
+ * up to four instructions per texture unit (TEX + 3 for combine),
+ * then there's fog and specular add.
*/
-#define MAX_INSTRUCTIONS ((MAX_TEXTURE_UNITS * 6) + 10) /* see bug 9829 */
+#define MAX_INSTRUCTIONS ((MAX_TEXTURE_UNITS * 4) + 12)
#define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM)
@@ -460,8 +461,8 @@ static void emit_dst( struct prog_dst_register *dst,
dst->File = ureg.file;
dst->Index = ureg.idx;
dst->WriteMask = mask;
- dst->CondMask = 0;
- dst->CondSwizzle = 0;
+ dst->CondMask = COND_TR; /* always pass cond test */
+ dst->CondSwizzle = SWIZZLE_NOOP;
}
static struct prog_instruction *
@@ -476,7 +477,9 @@ emit_op(struct texenv_fragment_program *p,
{
GLuint nr = p->program->Base.NumInstructions++;
struct prog_instruction *inst = &p->program->Base.Instructions[nr];
-
+
+ assert(nr < MAX_INSTRUCTIONS);
+
_mesa_init_instructions(inst, 1);
inst->Opcode = op;
@@ -1239,7 +1242,7 @@ _mesa_UpdateTexEnvProgram( GLcontext *ctx )
/* If a conventional fragment program/shader isn't in effect... */
if (!ctx->FragmentProgram._Enabled &&
- !ctx->Shader.CurrentProgram) {
+ (!ctx->Shader.CurrentProgram || !ctx->Shader.CurrentProgram->FragmentProgram)) {
make_state_key(ctx, &key);
hash = hash_key(&key);