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authorAlan Hourihane <alanh@tungstengraphics.com>2008-11-13 13:16:03 +0000
committerAlan Hourihane <alanh@tungstengraphics.com>2008-11-13 13:16:03 +0000
commit16340f8d4dfbde9cea01637ea225053194b8c640 (patch)
tree629d68ed57e6c4058606c9a026d07d925459cbab /src
parent26c8593093bd9e42d06a54ed8cfdedce2fb44332 (diff)
mesa: fix generation of fixed function state when no vp exists
Diffstat (limited to 'src')
-rw-r--r--src/mesa/main/state.c84
1 files changed, 41 insertions, 43 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 5e073a1863..0d452fd879 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -206,56 +206,54 @@ update_program(GLcontext *ctx)
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
- if (shProg && shProg->LinkStatus) {
+ if (shProg && shProg->LinkStatus && shProg->FragmentProgram) {
/* Use shader programs */
- /* XXX this isn't quite right, since we may have either a vertex
- * _or_ fragment shader (not always both).
- */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- shProg->VertexProgram);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
shProg->FragmentProgram);
}
+ else if (ctx->FragmentProgram._Enabled) {
+ /* use user-defined vertex program */
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
+ ctx->FragmentProgram.Current);
+ }
+ else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
+ /* Use fragment program generated from fixed-function state.
+ */
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
+ _mesa_get_fixed_func_fragment_program(ctx));
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
+ ctx->FragmentProgram._Current);
+ }
else {
- if (ctx->FragmentProgram._Enabled) {
- /* use user-defined vertex program */
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- ctx->FragmentProgram.Current);
- }
- else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
- /* Use fragment program generated from fixed-function state.
- */
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- _mesa_get_fixed_func_fragment_program(ctx));
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
- ctx->FragmentProgram._Current);
- }
- else {
- /* no fragment program */
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
- }
+ /* no fragment program */
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
+ }
- /* Examine vertex program after fragment program as
- * _mesa_get_fixed_func_vertex_program() needs to know active
- * fragprog inputs.
+ /* Examine vertex program after fragment program as
+ * _mesa_get_fixed_func_vertex_program() needs to know active
+ * fragprog inputs.
+ */
+ if (shProg && shProg->LinkStatus && shProg->VertexProgram) {
+ /* Use shader programs */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
+ shProg->VertexProgram);
+ }
+ else if (ctx->VertexProgram._Enabled) {
+ /* use user-defined vertex program */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
+ ctx->VertexProgram.Current);
+ }
+ else if (ctx->VertexProgram._MaintainTnlProgram) {
+ /* Use vertex program generated from fixed-function state.
*/
- if (ctx->VertexProgram._Enabled) {
- /* use user-defined vertex program */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- ctx->VertexProgram.Current);
- }
- else if (ctx->VertexProgram._MaintainTnlProgram) {
- /* Use vertex program generated from fixed-function state.
- */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- _mesa_get_fixed_func_vertex_program(ctx));
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram,
- ctx->VertexProgram._Current);
- }
- else {
- /* no vertex program */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
- }
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
+ _mesa_get_fixed_func_vertex_program(ctx));
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram,
+ ctx->VertexProgram._Current);
+ }
+ else {
+ /* no vertex program */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
}
/* XXX: get rid of _Active flag.