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authorChia-I Wu <olv@lunarg.com>2010-08-25 15:11:03 +0800
committerChia-I Wu <olv@lunarg.com>2010-08-25 16:06:45 +0800
commit22f6026324f63c142925244ff575fefc29a90389 (patch)
tree27be867272e6799cfa6d5ff153ce84e5b693a914 /src/mesa/state_tracker/st_draw_feedback.c
parent94e8d4171d9647db84cd53334a2b14fab062640d (diff)
gallium: Use draw_set_index_buffer and others.
Update all drivers to use draw_set_index_buffer, draw_set_mapped_index_buffer, and draw_vbo. Remove draw_set_mapped_element_buffer and draw_set_mapped_element_buffer_range.
Diffstat (limited to 'src/mesa/state_tracker/st_draw_feedback.c')
-rw-r--r--src/mesa/state_tracker/st_draw_feedback.c46
1 files changed, 26 insertions, 20 deletions
diff --git a/src/mesa/state_tracker/st_draw_feedback.c b/src/mesa/state_tracker/st_draw_feedback.c
index 5cf2666334..e0995f8318 100644
--- a/src/mesa/state_tracker/st_draw_feedback.c
+++ b/src/mesa/state_tracker/st_draw_feedback.c
@@ -40,6 +40,7 @@
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
+#include "util/u_draw.h"
#include "draw/draw_private.h"
#include "draw/draw_context.h"
@@ -104,14 +105,15 @@ st_feedback_draw_vbo(GLcontext *ctx,
struct draw_context *draw = st->draw;
const struct st_vertex_program *vp;
const struct pipe_shader_state *vs;
- struct pipe_resource *index_buffer_handle = 0;
struct pipe_vertex_buffer vbuffers[PIPE_MAX_SHADER_INPUTS];
struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
+ struct pipe_index_buffer ibuffer;
struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
struct pipe_transfer *ib_transfer = NULL;
struct pipe_transfer *cb_transfer;
GLuint attr, i;
ubyte *mapped_constants;
+ const void *mapped_indices = NULL;
assert(draw);
@@ -204,17 +206,19 @@ st_feedback_draw_vbo(GLcontext *ctx,
draw_set_vertex_buffers(draw, vp->num_inputs, vbuffers);
draw_set_vertex_elements(draw, vp->num_inputs, velements);
+ memset(&ibuffer, 0, sizeof(ibuffer));
if (ib) {
struct gl_buffer_object *bufobj = ib->obj;
- unsigned indexSize;
- void *map;
switch (ib->type) {
case GL_UNSIGNED_INT:
- indexSize = 4;
+ ibuffer.index_size = 4;
break;
case GL_UNSIGNED_SHORT:
- indexSize = 2;
+ ibuffer.index_size = 2;
+ break;
+ case GL_UNSIGNED_BYTE:
+ ibuffer.index_size = 1;
break;
default:
assert(0);
@@ -224,23 +228,20 @@ st_feedback_draw_vbo(GLcontext *ctx,
if (bufobj && bufobj->Name) {
struct st_buffer_object *stobj = st_buffer_object(bufobj);
- index_buffer_handle = stobj->buffer;
-
- map = pipe_buffer_map(pipe, index_buffer_handle,
- PIPE_TRANSFER_READ, &ib_transfer);
+ pipe_resource_reference(&ibuffer.buffer, stobj->buffer);
+ ibuffer.offset = pointer_to_offset(ib->ptr);
- draw_set_mapped_element_buffer(draw, indexSize, 0, map);
+ mapped_indices = pipe_buffer_map(pipe, stobj->buffer,
+ PIPE_TRANSFER_READ, &ib_transfer);
}
else {
- draw_set_mapped_element_buffer(draw, indexSize, 0, (void *) ib->ptr);
- ib_transfer = NULL;
+ /* skip setting ibuffer.buffer as the draw module does not use it */
+ mapped_indices = ib->ptr;
}
- }
- else {
- /* no index/element buffer */
- draw_set_mapped_element_buffer(draw, 0, 0, NULL);
- }
+ draw_set_index_buffer(draw, &ibuffer);
+ draw_set_mapped_index_buffer(draw, mapped_indices);
+ }
/* map constant buffers */
mapped_constants = pipe_buffer_map(pipe,
@@ -273,9 +274,14 @@ st_feedback_draw_vbo(GLcontext *ctx,
draw_set_mapped_vertex_buffer(draw, i, NULL);
}
}
- if (index_buffer_handle) {
- pipe_buffer_unmap(pipe, index_buffer_handle, ib_transfer);
- draw_set_mapped_element_buffer(draw, 0, 0, NULL);
+
+ if (ib) {
+ draw_set_mapped_index_buffer(draw, NULL);
+ draw_set_index_buffer(draw, NULL);
+
+ if (ib_transfer)
+ pipe_buffer_unmap(pipe, ibuffer.buffer, ib_transfer);
+ pipe_resource_reference(&ibuffer.buffer, NULL);
}
}