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-rw-r--r--src/mesa/main/state.c53
1 files changed, 36 insertions, 17 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index b8a67d0ee38..c894241a739 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -1,11 +1,3 @@
-/**
- * \file state.c
- * State management.
- *
- * This file manages recalculation of derived values in the __GLcontextRec.
- * Also, this is where we initialize the API dispatch table.
- */
-
/*
* Mesa 3-D graphics library
* Version: 6.1
@@ -31,6 +23,14 @@
*/
+/**
+ * \file state.c
+ * State management.
+ *
+ * This file manages recalculation of derived values in the __GLcontextRec.
+ * Also, this is where we initialize the API dispatch table.
+ */
+
#include "glheader.h"
#include "accum.h"
#include "api_loopback.h"
@@ -762,7 +762,7 @@ update_arrays( GLcontext *ctx )
/* find min of _MaxElement values for all enabled arrays */
/* 0 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_POS].Enabled) {
min = ctx->Array.VertexAttrib[VERT_ATTRIB_POS]._MaxElement;
}
@@ -775,14 +775,14 @@ update_arrays( GLcontext *ctx )
}
/* 1 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT]._MaxElement);
}
/* no conventional vertex weight array */
/* 2 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL]._MaxElement);
}
@@ -791,7 +791,7 @@ update_arrays( GLcontext *ctx )
}
/* 3 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0]._MaxElement);
}
@@ -800,7 +800,7 @@ update_arrays( GLcontext *ctx )
}
/* 4 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1]._MaxElement);
}
@@ -809,7 +809,7 @@ update_arrays( GLcontext *ctx )
}
/* 5 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_FOG]._MaxElement);
}
@@ -818,20 +818,20 @@ update_arrays( GLcontext *ctx )
}
/* 6 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_SIX].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SIX]._MaxElement);
}
/* 7 */
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN]._MaxElement);
}
/* 8..15 */
for (i = VERT_ATTRIB_TEX0; i < VERT_ATTRIB_MAX; i++) {
- if (ctx->VertexProgram.Enabled
+ if (ctx->VertexProgram._Enabled
&& ctx->Array.VertexAttrib[i].Enabled) {
min = MIN2(min, ctx->Array.VertexAttrib[i]._MaxElement);
}
@@ -854,6 +854,22 @@ update_arrays( GLcontext *ctx )
}
+/**
+ * Update derived vertex/fragment program state.
+ */
+static void
+update_program(GLcontext *ctx)
+{
+ /* For now, just set the _Enabled (really enabled) flags.
+ * In the future we may have to check other state to be sure we really
+ * have a runable program or shader.
+ */
+ ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled
+ && ctx->VertexProgram.Current->Instructions;
+ ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled
+ && ctx->FragmentProgram.Current->Instructions;
+}
+
/*
* If __GLcontextRec::NewState is non-zero then this function \b must be called
@@ -875,6 +891,9 @@ void _mesa_update_state( GLcontext *ctx )
if (MESA_VERBOSE & VERBOSE_STATE)
_mesa_print_state("_mesa_update_state", new_state);
+ if (new_state & _NEW_PROGRAM)
+ update_program( ctx );
+
if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
_mesa_update_modelview_project( ctx, new_state );