summaryrefslogtreecommitdiff
path: root/src/mesa/main/state.c
diff options
context:
space:
mode:
authorKeith Whitwell <keith@tungstengraphics.com>2008-10-10 15:19:05 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-10-10 15:23:36 +0100
commitd7f1cb5b5a134b63227d5746a2dd1f05597c5c2f (patch)
tree7446e243da8b50f6cb323b7917bdb94fbd528368 /src/mesa/main/state.c
parent7ac1fc77661faf0897507fef0437fe69d0ba53ac (diff)
parentf7556fdd40ed2719beaba271eee4a7551e212ad1 (diff)
Merge commit 'origin/gallium-0.1' into gallium-0.2
Conflicts: src/gallium/auxiliary/gallivm/instructionssoa.cpp src/gallium/auxiliary/gallivm/soabuiltins.c src/gallium/auxiliary/rtasm/rtasm_x86sse.c src/gallium/auxiliary/rtasm/rtasm_x86sse.h src/mesa/main/texenvprogram.c src/mesa/shader/arbprogparse.c src/mesa/shader/prog_statevars.c src/mesa/state_tracker/st_draw.c src/mesa/vbo/vbo_exec_draw.c
Diffstat (limited to 'src/mesa/main/state.c')
-rw-r--r--src/mesa/main/state.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 5913019bc1..7e44310d8d 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -447,6 +447,9 @@ _mesa_update_state_locked( GLcontext *ctx )
GLbitfield new_state = ctx->NewState;
GLbitfield prog_flags = _NEW_PROGRAM;
+ if (new_state == _NEW_CURRENT_ATTRIB)
+ goto out;
+
if (MESA_VERBOSE & VERBOSE_STATE)
_mesa_print_state("_mesa_update_state", new_state);
@@ -510,7 +513,8 @@ _mesa_update_state_locked( GLcontext *ctx )
_mesa_update_tnl_spaces( ctx, new_state );
if (ctx->FragmentProgram._MaintainTexEnvProgram) {
- prog_flags |= (_NEW_TEXTURE | _NEW_FOG | _DD_NEW_SEPARATE_SPECULAR);
+ prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE_MATRIX | _NEW_LIGHT |
+ _NEW_TEXTURE | _NEW_FOG | _DD_NEW_SEPARATE_SPECULAR);
}
if (ctx->VertexProgram._MaintainTnlProgram) {
prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX |
@@ -532,6 +536,7 @@ _mesa_update_state_locked( GLcontext *ctx )
* Set ctx->NewState to zero to avoid recursion if
* Driver.UpdateState() has to call FLUSH_VERTICES(). (fixed?)
*/
+ out:
new_state = ctx->NewState;
ctx->NewState = 0;
ctx->Driver.UpdateState(ctx, new_state);
@@ -548,3 +553,38 @@ _mesa_update_state( GLcontext *ctx )
_mesa_update_state_locked(ctx);
_mesa_unlock_context_textures(ctx);
}
+
+
+
+
+/* Want to figure out which fragment program inputs are actually
+ * constant/current values from ctx->Current. These should be
+ * referenced as a tracked state variable rather than a fragment
+ * program input, to save the overhead of putting a constant value in
+ * every submitted vertex, transferring it to hardware, interpolating
+ * it across the triangle, etc...
+ *
+ * When there is a VP bound, just use vp->outputs. But when we're
+ * generating vp from fixed function state, basically want to
+ * calculate:
+ *
+ * vp_out_2_fp_in( vp_in_2_vp_out( varying_inputs ) |
+ * potential_vp_outputs )
+ *
+ * Where potential_vp_outputs is calculated by looking at enabled
+ * texgen, etc.
+ *
+ * The generated fragment program should then only declare inputs that
+ * may vary or otherwise differ from the ctx->Current values.
+ * Otherwise, the fp should track them as state values instead.
+ */
+void
+_mesa_set_varying_vp_inputs( GLcontext *ctx,
+ GLbitfield varying_inputs )
+{
+ if (ctx->varying_vp_inputs != varying_inputs) {
+ ctx->varying_vp_inputs = varying_inputs;
+ ctx->NewState |= _NEW_ARRAY;
+ //_mesa_printf("%s %x\n", __FUNCTION__, varying_inputs);
+ }
+}