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path: root/src/mesa/state_tracker/st_draw.c
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Diffstat (limited to 'src/mesa/state_tracker/st_draw.c')
-rw-r--r--src/mesa/state_tracker/st_draw.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 225541a30b..914a507bef 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -159,12 +159,21 @@ static GLuint fixed_types[4] = {
* Return a PIPE_FORMAT_x for the given GL datatype and size.
*/
GLuint
-st_pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized)
+st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
+ GLboolean normalized)
{
assert((type >= GL_BYTE && type <= GL_DOUBLE) ||
type == GL_FIXED);
assert(size >= 1);
assert(size <= 4);
+ assert(format == GL_RGBA || format == GL_BGRA);
+
+ if (format == GL_BGRA) {
+ /* this is an odd-ball case */
+ assert(type == GL_UNSIGNED_BYTE);
+ assert(normalized);
+ return PIPE_FORMAT_B8G8R8A8_UNORM;
+ }
if (normalized) {
switch (type) {
@@ -220,8 +229,10 @@ setup_edgeflags(GLcontext *ctx, GLenum primMode, GLint start, GLint count,
struct st_buffer_object *stobj = st_buffer_object(array->BufferObj);
ubyte *map;
- if (!stobj)
+ if (!stobj || stobj->Base.Name == 0) {
+ /* edge flags are not in a VBO */
return NULL;
+ }
vec = (unsigned *) _mesa_calloc(sizeof(unsigned) * ((count + 31) / 32));
if (!vec)
@@ -392,6 +403,7 @@ setup_interleaved_attribs(GLcontext *ctx,
velements[attr].src_format =
st_pipe_vertex_format(arrays[mesaAttr]->Type,
arrays[mesaAttr]->Size,
+ arrays[mesaAttr]->Format,
arrays[mesaAttr]->Normalized);
assert(velements[attr].src_format);
}
@@ -479,6 +491,7 @@ setup_non_interleaved_attribs(GLcontext *ctx,
velements[attr].src_format
= st_pipe_vertex_format(arrays[mesaAttr]->Type,
arrays[mesaAttr]->Size,
+ arrays[mesaAttr]->Format,
arrays[mesaAttr]->Normalized);
assert(velements[attr].src_format);
}