From 72d456494a7074f11ab9c735d0caeae4e09a33e7 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Wed, 10 Dec 2008 15:43:21 +0000 Subject: [PATCH] st: reduce unnecessary calls to pipe->set_vertex_buffers() --- src/mesa/state_tracker/st_draw.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index 8f27076848a..3229e932484 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -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; -- 2.30.2