diff options
Diffstat (limited to 'src/gallium/drivers/nv20/nv20_vbo.c')
-rw-r--r-- | src/gallium/drivers/nv20/nv20_vbo.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv20/nv20_vbo.c b/src/gallium/drivers/nv20/nv20_vbo.c new file mode 100644 index 00000000000..d0e788ac036 --- /dev/null +++ b/src/gallium/drivers/nv20/nv20_vbo.c @@ -0,0 +1,77 @@ +#include "draw/draw_context.h" +#include "pipe/p_context.h" +#include "pipe/p_state.h" + +#include "nv10_context.h" +#include "nv10_state.h" + +#include "nouveau/nouveau_channel.h" +#include "nouveau/nouveau_pushbuf.h" + +boolean nv10_draw_elements( struct pipe_context *pipe, + struct pipe_buffer *indexBuffer, + unsigned indexSize, + unsigned prim, unsigned start, unsigned count) +{ + struct nv10_context *nv10 = nv10_context( pipe ); + struct draw_context *draw = nv10->draw; + unsigned i; + + nv10_emit_hw_state(nv10); + + /* + * Map vertex buffers + */ + for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { + if (nv10->vtxbuf[i].buffer) { + void *buf + = pipe->winsys->buffer_map(pipe->winsys, + nv10->vtxbuf[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_set_mapped_constant_buffer(draw, + nv10->constbuf[PIPE_SHADER_VERTEX], + nv10->constbuf_nr[PIPE_SHADER_VERTEX]); + + /* draw! */ + draw_arrays(nv10->draw, prim, start, count); + + /* + * unmap vertex/index buffers + */ + for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { + if (nv10->vtxbuf[i].buffer) { + pipe->winsys->buffer_unmap(pipe->winsys, nv10->vtxbuf[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 nv10_draw_arrays( struct pipe_context *pipe, + unsigned prim, unsigned start, unsigned count) +{ + return nv10_draw_elements(pipe, NULL, 0, prim, start, count); +} + + + |