diff options
| -rw-r--r-- | src/mesa/state_tracker/st_draw.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index ec9c859fcb..47330d8efd 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -528,6 +528,20 @@ check_uniforms(GLcontext *ctx) } +static unsigned translate_prim( GLcontext *ctx, + unsigned prim ) +{ + /* Avoid quadstrips if it's easy to do so: + */ + if (prim == GL_QUAD_STRIP && + ctx->Light.ShadeModel != GL_FLAT && + ctx->Polygon.FrontMode == GL_FILL && + ctx->Polygon.BackMode == GL_FILL) + prim = GL_TRIANGLE_STRIP; + + return prim; +} + /** * This function gets plugged into the VBO module and is called when * we have something to render. @@ -624,6 +638,7 @@ st_draw_vbo(GLcontext *ctx, struct gl_buffer_object *bufobj = ib->obj; struct pipe_buffer *indexBuf = NULL; unsigned indexSize, indexOffset, i; + unsigned prim; switch (ib->type) { case GL_UNSIGNED_INT: @@ -666,10 +681,12 @@ st_draw_vbo(GLcontext *ctx, prims[i].start + indexOffset, prims[i].count, arrays[VERT_ATTRIB_EDGEFLAG]); + prim = translate_prim( ctx, prims[i].mode ); + pipe->draw_range_elements(pipe, indexBuf, indexSize, min_index, max_index, - prims[i].mode, + prim, prims[i].start + indexOffset, prims[i].count); } else { @@ -677,9 +694,11 @@ st_draw_vbo(GLcontext *ctx, setup_edgeflags(ctx, prims[i].mode, prims[i].start + indexOffset, prims[i].count, arrays[VERT_ATTRIB_EDGEFLAG]); + + prim = translate_prim( ctx, prims[i].mode ); pipe->draw_elements(pipe, indexBuf, indexSize, - prims[i].mode, + prim, prims[i].start + indexOffset, prims[i].count); } } @@ -689,12 +708,16 @@ st_draw_vbo(GLcontext *ctx, else { /* non-indexed */ GLuint i; + GLuint prim; + for (i = 0; i < nr_prims; i++) { setup_edgeflags(ctx, prims[i].mode, prims[i].start, prims[i].count, arrays[VERT_ATTRIB_EDGEFLAG]); - pipe->draw_arrays(pipe, prims[i].mode, prims[i].start, prims[i].count); + prim = translate_prim( ctx, prims[i].mode ); + + pipe->draw_arrays(pipe, prim, prims[i].start, prims[i].count); } } |