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#include "draw/draw_context.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "pipe/p_util.h"
#include "nv04_context.h"
#include "nv04_state.h"
#include "nouveau/nouveau_channel.h"
#include "nouveau/nouveau_pushbuf.h"
boolean nv04_draw_elements( struct pipe_context *pipe,
struct pipe_buffer *indexBuffer,
unsigned indexSize,
unsigned prim, unsigned start, unsigned count)
{
struct nv04_context *nv04 = nv04_context( pipe );
struct draw_context *draw = nv04->draw;
unsigned i;
/*
* Map vertex buffers
*/
for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
if (nv04->vertex_buffer[i].buffer) {
void *buf
= pipe->winsys->buffer_map(pipe->winsys,
nv04->vertex_buffer[i].buffer,
PIPE_BUFFER_USAGE_CPU_READ);
draw_set_mapped_vertex_buffer(draw, i, buf);
}
}
/* Map index buffer, if present */
if (indexBuffer) {
void *mapped_indexes
= pipe->winsys->buffer_map(pipe->winsys, indexBuffer,
PIPE_BUFFER_USAGE_CPU_READ);
draw_set_mapped_element_buffer(draw, indexSize, mapped_indexes);
}
else {
/* no index/element buffer */
draw_set_mapped_element_buffer(draw, 0, NULL);
}
/* draw! */
draw_arrays(nv04->draw, prim, start, count);
/*
* unmap vertex/index buffers
*/
for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
if (nv04->vertex_buffer[i].buffer) {
pipe->winsys->buffer_unmap(pipe->winsys, nv04->vertex_buffer[i].buffer);
draw_set_mapped_vertex_buffer(draw, i, NULL);
}
}
if (indexBuffer) {
pipe->winsys->buffer_unmap(pipe->winsys, indexBuffer);
draw_set_mapped_element_buffer(draw, 0, NULL);
}
return TRUE;
}
boolean nv04_draw_arrays( struct pipe_context *pipe,
unsigned prim, unsigned start, unsigned count)
{
return nv04_draw_elements(pipe, NULL, 0, prim, start, count);
}
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