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-rw-r--r--src/mesa/shader/prog_cache.c29
-rw-r--r--src/mesa/shader/prog_cache.h2
-rw-r--r--src/mesa/shader/prog_statevars.c27
-rw-r--r--src/mesa/shader/prog_statevars.h1
-rw-r--r--src/mesa/shader/program.c41
5 files changed, 86 insertions, 14 deletions
diff --git a/src/mesa/shader/prog_cache.c b/src/mesa/shader/prog_cache.c
index 36a25377c5..9437e59613 100644
--- a/src/mesa/shader/prog_cache.c
+++ b/src/mesa/shader/prog_cache.c
@@ -44,6 +44,7 @@ struct cache_item
struct gl_program_cache
{
struct cache_item **items;
+ struct cache_item *last;
GLuint size, n_items;
};
@@ -83,6 +84,8 @@ rehash(struct gl_program_cache *cache)
struct cache_item *c, *next;
GLuint size, i;
+ cache->last = NULL;
+
size = cache->size * 3;
items = (struct cache_item**) _mesa_malloc(size * sizeof(*items));
_mesa_memset(items, 0, size * sizeof(*items));
@@ -105,6 +108,8 @@ clear_cache(GLcontext *ctx, struct gl_program_cache *cache)
{
struct cache_item *c, *next;
GLuint i;
+
+ cache->last = NULL;
for (i = 0; i < cache->size; i++) {
for (c = cache->items[i]; c; c = next) {
@@ -149,18 +154,26 @@ _mesa_delete_program_cache(GLcontext *ctx, struct gl_program_cache *cache)
struct gl_program *
-_mesa_search_program_cache(const struct gl_program_cache *cache,
+_mesa_search_program_cache(struct gl_program_cache *cache,
const void *key, GLuint keysize)
{
- const GLuint hash = hash_key(key, keysize);
- struct cache_item *c;
-
- for (c = cache->items[hash % cache->size]; c; c = c->next) {
- if (c->hash == hash && memcmp(c->key, key, keysize) == 0)
- return c->program;
+ if (cache->last &&
+ memcmp(cache->last->key, key, keysize) == 0) {
+ return cache->last->program;
}
+ else {
+ const GLuint hash = hash_key(key, keysize);
+ struct cache_item *c;
+
+ for (c = cache->items[hash % cache->size]; c; c = c->next) {
+ if (c->hash == hash && memcmp(c->key, key, keysize) == 0) {
+ cache->last = c;
+ return c->program;
+ }
+ }
- return NULL;
+ return NULL;
+ }
}
diff --git a/src/mesa/shader/prog_cache.h b/src/mesa/shader/prog_cache.h
index a8c91fba01..4e1ccac03f 100644
--- a/src/mesa/shader/prog_cache.h
+++ b/src/mesa/shader/prog_cache.h
@@ -42,7 +42,7 @@ _mesa_delete_program_cache(GLcontext *ctx, struct gl_program_cache *pc);
extern struct gl_program *
-_mesa_search_program_cache(const struct gl_program_cache *cache,
+_mesa_search_program_cache(struct gl_program_cache *cache,
const void *key, GLuint keysize);
extern void
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c
index d4e31207e8..34c4741350 100644
--- a/src/mesa/shader/prog_statevars.c
+++ b/src/mesa/shader/prog_statevars.c
@@ -395,6 +395,12 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
case STATE_INTERNAL:
switch (state[1]) {
+ case STATE_CURRENT_ATTRIB: {
+ const GLuint idx = (GLuint) state[2];
+ COPY_4V(value, ctx->Current.Attrib[idx]);
+ return;
+ }
+
case STATE_NORMAL_SCALE:
ASSIGN_4V(value,
ctx->_ModelViewInvScale,
@@ -501,6 +507,9 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
}
return;
+ /* XXX: make sure new tokens added here are also handled in the
+ * _mesa_program_state_flags() switch, below.
+ */
default:
/* unknown state indexes are silently ignored
* should be handled by the driver.
@@ -574,11 +583,29 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
case STATE_INTERNAL:
switch (state[1]) {
+ case STATE_CURRENT_ATTRIB:
+ return _NEW_CURRENT_ATTRIB;
+
+ case STATE_NORMAL_SCALE:
+ return _NEW_MODELVIEW;
+
case STATE_TEXRECT_SCALE:
case STATE_SHADOW_AMBIENT:
return _NEW_TEXTURE;
case STATE_FOG_PARAMS_OPTIMIZED:
return _NEW_FOG;
+ case STATE_LIGHT_SPOT_DIR_NORMALIZED:
+ case STATE_LIGHT_POSITION:
+ case STATE_LIGHT_POSITION_NORMALIZED:
+ case STATE_LIGHT_HALF_VECTOR:
+ return _NEW_LIGHT;
+
+ case STATE_PT_SCALE:
+ case STATE_PT_BIAS:
+ case STATE_PCM_SCALE:
+ case STATE_PCM_BIAS:
+ return _NEW_PIXEL;
+
default:
/* unknown state indexes are silently ignored and
* no flag set, since it is handled by the driver.
diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h
index 20643ca794..72e51f4031 100644
--- a/src/mesa/shader/prog_statevars.h
+++ b/src/mesa/shader/prog_statevars.h
@@ -104,6 +104,7 @@ typedef enum gl_state_index_ {
STATE_LOCAL,
STATE_INTERNAL, /* Mesa additions */
+ STATE_CURRENT_ATTRIB, /* ctx->Current vertex attrib value */
STATE_NORMAL_SCALE,
STATE_TEXRECT_SCALE,
STATE_FOG_PARAMS_OPTIMIZED, /* for faster fog calc */
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index f120c20bdf..5d21cff672 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -686,17 +686,47 @@ _mesa_combine_programs(GLcontext *ctx,
if (newProg->Target == GL_FRAGMENT_PROGRAM_ARB) {
struct gl_fragment_program *fprogA, *fprogB, *newFprog;
+ GLbitfield progB_inputsRead = progB->InputsRead;
+ GLint progB_colorFile, progB_colorIndex;
+
fprogA = (struct gl_fragment_program *) progA;
fprogB = (struct gl_fragment_program *) progB;
newFprog = (struct gl_fragment_program *) newProg;
newFprog->UsesKill = fprogA->UsesKill || fprogB->UsesKill;
+ /* We'll do a search and replace for instances
+ * of progB_colorFile/progB_colorIndex below...
+ */
+ progB_colorFile = PROGRAM_INPUT;
+ progB_colorIndex = FRAG_ATTRIB_COL0;
+
+ /*
+ * The fragment program may get color from a state var rather than
+ * a fragment input (vertex output) if it's constant.
+ * See the texenvprogram.c code.
+ * So, search the program's parameter list now to see if the program
+ * gets color from a state var instead of a conventional fragment
+ * input register.
+ */
+ for (i = 0; i < progB->Parameters->NumParameters; i++) {
+ struct gl_program_parameter *p = &progB->Parameters->Parameters[i];
+ if (p->Type == PROGRAM_STATE_VAR &&
+ p->StateIndexes[0] == STATE_INTERNAL &&
+ p->StateIndexes[1] == STATE_CURRENT_ATTRIB &&
+ p->StateIndexes[2] == VERT_ATTRIB_COLOR0) {
+ progB_inputsRead |= FRAG_BIT_COL0;
+ progB_colorFile = PROGRAM_STATE_VAR;
+ progB_colorIndex = i;
+ break;
+ }
+ }
+
/* Connect color outputs of fprogA to color inputs of fprogB, via a
* new temporary register.
*/
if ((progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) &&
- (progB->InputsRead & (1 << FRAG_ATTRIB_COL0))) {
+ (progB_inputsRead & FRAG_BIT_COL0)) {
GLint tempReg = _mesa_find_free_register(newProg, PROGRAM_TEMPORARY);
if (tempReg < 0) {
_mesa_problem(ctx, "No free temp regs found in "
@@ -707,13 +737,14 @@ _mesa_combine_programs(GLcontext *ctx,
replace_registers(newInst, lenA,
PROGRAM_OUTPUT, FRAG_RESULT_COLR,
PROGRAM_TEMPORARY, tempReg);
- /* replace reads from input.color[0] with tempReg */
+ /* replace reads from the input color with tempReg */
replace_registers(newInst + lenA, lenB,
- PROGRAM_INPUT, FRAG_ATTRIB_COL0,
- PROGRAM_TEMPORARY, tempReg);
+ progB_colorFile, progB_colorIndex, /* search for */
+ PROGRAM_TEMPORARY, tempReg /* replace with */ );
}
- inputsB = progB->InputsRead;
+ /* compute combined program's InputsRead */
+ inputsB = progB_inputsRead;
if (progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) {
inputsB &= ~(1 << FRAG_ATTRIB_COL0);
}