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gallium: don't use edgeflags if the app didn't supply them

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This commit is contained in:
Roland Scheidegger
2009-12-19 20:25:43 +01:00
parent 1aba413a70
commit 420ff89067
3 changed files with 16 additions and 4 deletions
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10
src/mesa/state_tracker/st_atom_shader.c
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@@ -112,10 +112,12 @@ find_translated_vp(struct st_context *st,
* edgeflag semantics, and extend the vertex shader to pass through
* the input to the output. We'll need to use similar logic to set
* up the extra vertex_element input for edgeflags.
* _NEW_POLYGON, ST_NEW_EDGEFLAGS_DATA
*/
key.passthrough_edgeflags = (st->ctx->Polygon.FrontMode != GL_FILL ||
st->ctx->Polygon.BackMode != GL_FILL);
key.passthrough_edgeflags = (st->vertdata_edgeflags && (
st->ctx->Polygon.FrontMode != GL_FILL ||
st->ctx->Polygon.BackMode != GL_FILL));
/* Do we need to throw away old translations after a change in the
* GL program string?
@@ -228,7 +230,7 @@ const struct st_tracked_state st_update_vp = {
"st_update_vp", /* name */
{ /* dirty */
_NEW_POLYGON, /* mesa */
ST_NEW_VERTEX_PROGRAM /* st */
ST_NEW_VERTEX_PROGRAM | ST_NEW_EDGEFLAGS_DATA /* st */
},
update_vp /* update */
};

2
src/mesa/state_tracker/st_context.h
View File

@@ -55,6 +55,7 @@ struct bitmap_cache;
#define ST_NEW_FRAGMENT_PROGRAM 0x2
#define ST_NEW_VERTEX_PROGRAM 0x4
#define ST_NEW_FRAMEBUFFER 0x8
#define ST_NEW_EDGEFLAGS_DATA 0x10
struct st_state_flags {
@@ -120,6 +121,7 @@ struct st_context
struct st_state_flags dirty;
GLboolean missing_textures;
GLboolean vertdata_edgeflags;
/** Mapping from VERT_RESULT_x to post-transformed vertex slot */
const GLuint *vertex_result_to_slot;

8
src/mesa/state_tracker/st_draw.c
View File

@@ -514,6 +514,7 @@ st_draw_vbo(GLcontext *ctx,
struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
unsigned num_vbuffers, num_velements;
GLboolean userSpace;
GLboolean vertDataEdgeFlags;
/* Gallium probably doesn't want this in some cases. */
if (!index_bounds_valid)
@@ -522,6 +523,13 @@ st_draw_vbo(GLcontext *ctx,
/* sanity check for pointer arithmetic below */
assert(sizeof(arrays[0]->Ptr[0]) == 1);
vertDataEdgeFlags = arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj &&
arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj->Name;
if (vertDataEdgeFlags != ctx->st->vertdata_edgeflags) {
ctx->st->vertdata_edgeflags = vertDataEdgeFlags;
ctx->st->dirty.st |= ST_NEW_EDGEFLAGS_DATA;
}
st_validate_state(ctx->st);
/* must get these after state validation! */