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authorKeith Whitwell <keith@tungstengraphics.com>2008-10-14 14:15:26 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-10-14 14:18:08 +0100
commit568e96b4533c5135f4d7f568a81cdfc0a6dcd7eb (patch)
tree9fc31ef83e06205e71c957eba8deba5034a6843e /src
parent6d4d51d647c27288aa625560bc080231099c0b01 (diff)
mesa: modify fixed function vertex programs not to reference constant attributes
Diffstat (limited to 'src')
-rw-r--r--src/mesa/main/context.c1
-rw-r--r--src/mesa/main/ffvertex_prog.c70
2 files changed, 41 insertions, 30 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 144da61384..e5ec35c77f 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1064,6 +1064,7 @@ init_attrib_groups(GLcontext *ctx)
ctx->NewState = _NEW_ALL;
ctx->ErrorValue = (GLenum) GL_NO_ERROR;
ctx->_Facing = 0;
+ ctx->varying_vp_inputs = ~0;
return GL_TRUE;
}
diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c
index 787672be9f..dff4306322 100644
--- a/src/mesa/main/ffvertex_prog.c
+++ b/src/mesa/main/ffvertex_prog.c
@@ -47,17 +47,17 @@
struct state_key {
+ unsigned light_color_material_mask:12;
+ unsigned light_material_mask:12;
unsigned light_global_enabled:1;
unsigned light_local_viewer:1;
unsigned light_twoside:1;
unsigned light_color_material:1;
- unsigned light_color_material_mask:12;
- unsigned light_material_mask:12;
unsigned material_shininess_is_zero:1;
-
unsigned need_eye_coords:1;
unsigned normalize:1;
unsigned rescale_normals:1;
+
unsigned fog_source_is_depth:1;
unsigned tnl_do_vertex_fog:1;
unsigned separate_specular:1;
@@ -67,6 +67,8 @@ struct state_key {
unsigned texture_enabled_global:1;
unsigned fragprog_inputs_read:12;
+ unsigned varying_vp_inputs;
+
struct {
unsigned light_enabled:1;
unsigned light_eyepos3_is_zero:1;
@@ -193,6 +195,7 @@ static struct state_key *make_state_key( GLcontext *ctx )
key->need_eye_coords = ctx->_NeedEyeCoords;
key->fragprog_inputs_read = fp->Base.InputsRead;
+ key->varying_vp_inputs = ctx->varying_vp_inputs;
if (ctx->RenderMode == GL_FEEDBACK) {
/* make sure the vertprog emits color and tex0 */
@@ -450,14 +453,46 @@ static void release_temps( struct tnl_program *p )
}
+static struct ureg register_param5(struct tnl_program *p,
+ GLint s0,
+ GLint s1,
+ GLint s2,
+ GLint s3,
+ GLint s4)
+{
+ gl_state_index tokens[STATE_LENGTH];
+ GLint idx;
+ tokens[0] = s0;
+ tokens[1] = s1;
+ tokens[2] = s2;
+ tokens[3] = s3;
+ tokens[4] = s4;
+ idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
+ return make_ureg(PROGRAM_STATE_VAR, idx);
+}
+
+
+#define register_param1(p,s0) register_param5(p,s0,0,0,0,0)
+#define register_param2(p,s0,s1) register_param5(p,s0,s1,0,0,0)
+#define register_param3(p,s0,s1,s2) register_param5(p,s0,s1,s2,0,0)
+#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
+
+
/**
* \param input one of VERT_ATTRIB_x tokens.
*/
static struct ureg register_input( struct tnl_program *p, GLuint input )
{
- p->program->Base.InputsRead |= (1<<input);
- return make_ureg(PROGRAM_INPUT, input);
+ /* Material attribs are passed here as inputs >= 32
+ */
+ if (input >= 32 || (p->state->varying_vp_inputs & (1<<input))) {
+ p->program->Base.InputsRead |= (1<<input);
+ return make_ureg(PROGRAM_INPUT, input);
+ }
+ else {
+ return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, input );
+ }
}
/**
@@ -506,31 +541,6 @@ static struct ureg get_identity_param( struct tnl_program *p )
return p->identity;
}
-static struct ureg register_param5(struct tnl_program *p,
- GLint s0,
- GLint s1,
- GLint s2,
- GLint s3,
- GLint s4)
-{
- gl_state_index tokens[STATE_LENGTH];
- GLint idx;
- tokens[0] = s0;
- tokens[1] = s1;
- tokens[2] = s2;
- tokens[3] = s3;
- tokens[4] = s4;
- idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
- return make_ureg(PROGRAM_STATE_VAR, idx);
-}
-
-
-#define register_param1(p,s0) register_param5(p,s0,0,0,0,0)
-#define register_param2(p,s0,s1) register_param5(p,s0,s1,0,0,0)
-#define register_param3(p,s0,s1,s2) register_param5(p,s0,s1,s2,0,0)
-#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
-
-
static void register_matrix_param5( struct tnl_program *p,
GLint s0, /* modelview, projection, etc */
GLint s1, /* texture matrix number */