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i915g: Use buffer write instead of map for lit vertices

This commit is contained in:
Jakob Bornecrantz 2009-10-07 03:28:04 +01:00
parent f8ba93aefd
commit 0f0127f6f9
1 changed files with 37 additions and 2 deletions
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39
src/gallium/drivers/i915/i915_prim_vbuf.c
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@ -53,6 +53,7 @@
#undef VBUF_USE_FIFO
#undef VBUF_MAP_BUFFER
/**
* Primitive renderer for i915.
@ -82,6 +83,12 @@ struct i915_vbuf_render {
void *vbo_ptr;
size_t vbo_max_used;
#ifndef VBUF_MAP_BUFFER
size_t map_used_start;
size_t map_used_end;
size_t map_size;
#endif
#ifdef VBUF_USE_FIFO
/* Stuff for the pool */
struct util_fifo *pool_fifo;
@ -153,6 +160,14 @@ i915_vbuf_render_new_buf(struct i915_vbuf_render *i915_render, size_t size)
i915_render->vbo_size = MAX2(size, i915_render->vbo_alloc_size);
i915_render->vbo_offset = 0;
#ifndef VBUF_MAP_BUFFER
if (i915_render->vbo_size > i915_render->map_size) {
i915_render->map_size = i915_render->vbo_size;
FREE(i915_render->vbo_ptr);
i915_render->vbo_ptr = MALLOC(i915_render->map_size);
}
#endif
#ifdef VBUF_USE_FIFO
if (i915_render->vbo_size != i915_render->pool_buffer_size) {
i915_render->pool_not_used = TRUE;
@ -215,9 +230,13 @@ i915_vbuf_render_map_vertices(struct vbuf_render *render)
if (i915->vbo_flushed)
debug_printf("%s bad vbo flush occured stalling on hw\n", __FUNCTION__);
#ifdef VBUF_MAP_BUFFER
i915_render->vbo_ptr = iws->buffer_map(iws, i915_render->vbo, TRUE);
return (unsigned char *)i915_render->vbo_ptr + i915->vbo_offset;
return (unsigned char *)i915_render->vbo_ptr + i915_render->vbo_offset;
#else
(void)iws;
return (unsigned char *)i915_render->vbo_ptr;
#endif
}
static void
@ -230,7 +249,17 @@ i915_vbuf_render_unmap_vertices(struct vbuf_render *render,
struct intel_winsys *iws = i915->iws;
i915_render->vbo_max_used = MAX2(i915_render->vbo_max_used, i915_render->vertex_size * (max_index + 1));
#ifdef VBUF_MAP_BUFFER
iws->buffer_unmap(iws, i915_render->vbo);
#else
i915_render->map_used_start = i915_render->vertex_size * min_index;
i915_render->map_used_end = i915_render->vertex_size * (max_index + 1);
iws->buffer_write(iws, i915_render->vbo,
i915_render->map_used_start + i915_render->vbo_offset,
i915_render->map_used_end - i915_render->map_used_start,
i915_render->vbo_ptr + i915_render->map_used_start);
#endif
}
static boolean
@ -614,8 +643,14 @@ i915_vbuf_render_create(struct i915_context *i915)
i915_render->base.release_vertices = i915_vbuf_render_release_vertices;
i915_render->base.destroy = i915_vbuf_render_destroy;
#ifndef VBUF_MAP_BUFFER
i915_render->map_size = 0;
i915_render->map_used_start = 0;
i915_render->map_used_end = 0;
#endif
i915_render->vbo = NULL;
i915_render->vbo_ptr = NULL;
i915_render->vbo_size = 0;
i915_render->vbo_offset = 0;
i915_render->vbo_alloc_size = i915_render->base.max_vertex_buffer_bytes * 4;