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st: reduce unnecessary calls to pipe->set_vertex_buffers()

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This commit is contained in:
Keith Whitwell 2008-12-10 15:43:21 +00:00
parent 8627a14ec8
commit eb20e2984e
1 changed files with 14 additions and 5 deletions
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19
src/mesa/state_tracker/st_draw.c
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@ -409,6 +409,7 @@ setup_non_interleaved_attribs(GLcontext *ctx,
const struct st_vertex_program *vp,
const struct gl_client_array **arrays,
GLuint max_index,
GLboolean *userSpace,
struct pipe_vertex_buffer vbuffer[],
struct pipe_vertex_element velements[])
{
@ -420,6 +421,8 @@ setup_non_interleaved_attribs(GLcontext *ctx,
struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
GLsizei stride = arrays[mesaAttr]->StrideB;
*userSpace = GL_FALSE;
if (bufobj && bufobj->Name) {
/* Attribute data is in a VBO.
* Recall that for VBOs, the gl_client_array->Ptr field is
@ -439,6 +442,8 @@ setup_non_interleaved_attribs(GLcontext *ctx,
uint bytes;
/*printf("user-space array %d stride %d\n", attr, stride);*/
*userSpace = GL_TRUE;
/* wrap user data */
if (arrays[mesaAttr]->Ptr) {
/* user's vertex array */
@ -555,7 +560,7 @@ st_draw_vbo(GLcontext *ctx,
else {
/*printf("Draw non-interleaved\n");*/
setup_non_interleaved_attribs(ctx, vp, arrays, max_index,
vbuffer, velements);
&userSpace, vbuffer, velements);
num_vbuffers = vp->num_inputs;
num_velements = vp->num_inputs;
}
@ -665,13 +670,17 @@ st_draw_vbo(GLcontext *ctx,
}
/* unreference buffers (frees wrapped user-space buffer objects) */
for (attr = 0; attr < num_vbuffers; attr++) {
pipe_buffer_reference(pipe->screen, &vbuffer[attr].buffer, NULL);
assert(!vbuffer[attr].buffer);
if (userSpace)
{
for (attr = 0; attr < num_vbuffers; attr++) {
pipe_buffer_reference(pipe->screen, &vbuffer[attr].buffer, NULL);
assert(!vbuffer[attr].buffer);
}
pipe->set_vertex_buffers(pipe, 0, NULL);
}
pipe->set_vertex_buffers(pipe, num_vbuffers, vbuffer);
}
void st_init_draw( struct st_context *st )
{
GLcontext *ctx = st->ctx;