* \return error code to indicate success failure
*/
static enum pipe_error
-translate_indices(struct svga_hwtnl *hwtnl, struct pipe_resource *src,
- unsigned offset,
- enum pipe_prim_type orig_prim, enum pipe_prim_type gen_prim,
+translate_indices(struct svga_hwtnl *hwtnl,
+ const struct pipe_draw_info *info,
+ enum pipe_prim_type gen_prim,
unsigned orig_nr, unsigned gen_nr,
- unsigned index_size,
- u_translate_func translate, struct pipe_resource **out_buf)
+ unsigned gen_size,
+ u_translate_func translate,
+ struct pipe_resource **out_buf,
+ unsigned *out_offset)
{
struct pipe_context *pipe = &hwtnl->svga->pipe;
struct svga_screen *screen = svga_screen(pipe->screen);
- struct svga_buffer *src_sbuf = svga_buffer(src);
+ struct svga_buffer *src_sbuf = NULL;
struct pipe_transfer *src_transfer = NULL;
struct pipe_transfer *dst_transfer = NULL;
- unsigned size = index_size * gen_nr;
+ const unsigned size = gen_size * gen_nr;
+ const unsigned offset = info->start * info->index_size;
const void *src_map = NULL;
struct pipe_resource *dst = NULL;
void *dst_map = NULL;
- assert(index_size == 2 || index_size == 4);
+ assert(gen_size == 2 || gen_size == 4);
+ if (!info->has_user_indices)
+ src_sbuf = svga_buffer(info->index.resource);
- if (!screen->debug.no_cache_index_buffers) {
+ /* If the draw_info provides us with a buffer rather than a
+ * user pointer, Check to see if we've already translated that buffer
+ */
+ if (src_sbuf && !screen->debug.no_cache_index_buffers) {
/* Check if we already have a translated index buffer */
if (src_sbuf->translated_indices.buffer &&
- src_sbuf->translated_indices.orig_prim == orig_prim &&
+ src_sbuf->translated_indices.orig_prim == info->mode &&
src_sbuf->translated_indices.new_prim == gen_prim &&
src_sbuf->translated_indices.offset == offset &&
src_sbuf->translated_indices.count == orig_nr &&
- src_sbuf->translated_indices.index_size == index_size) {
+ src_sbuf->translated_indices.index_size == gen_size) {
pipe_resource_reference(out_buf, src_sbuf->translated_indices.buffer);
return PIPE_OK;
}
*/
u_trim_pipe_prim(gen_prim, &gen_nr);
- size = index_size * gen_nr;
-
- dst = pipe_buffer_create(pipe->screen,
- PIPE_BIND_INDEX_BUFFER, PIPE_USAGE_DEFAULT, size);
- if (!dst)
- goto fail;
-
- src_map = pipe_buffer_map(pipe, src, PIPE_TRANSFER_READ, &src_transfer);
- if (!src_map)
- goto fail;
-
- dst_map = pipe_buffer_map(pipe, dst, PIPE_TRANSFER_WRITE, &dst_transfer);
- if (!dst_map)
- goto fail;
+ if (src_sbuf) {
+ /* If we have a source buffer, create a destination buffer in the
+ * hope that we can reuse the translated data later. If not,
+ * we'd probably be better off using the upload buffer.
+ */
+ dst = pipe_buffer_create(pipe->screen,
+ PIPE_BIND_INDEX_BUFFER, PIPE_USAGE_IMMUTABLE,
+ size);
+ if (!dst)
+ goto fail;
+
+ dst_map = pipe_buffer_map(pipe, dst, PIPE_TRANSFER_WRITE, &dst_transfer);
+ if (!dst_map)
+ goto fail;
+
+ *out_offset = 0;
+ src_map = pipe_buffer_map(pipe, info->index.resource, PIPE_TRANSFER_READ,
+ &src_transfer);
+ if (!src_map)
+ goto fail;
+ } else {
+ /* Allocate upload buffer space. Align to the index size. */
+ u_upload_alloc(pipe->stream_uploader, 0, size, gen_size,
+ out_offset, &dst, &dst_map);
+ if (!dst)
+ goto fail;
+
+ src_map = info->index.user;
+ }
translate((const char *) src_map + offset, 0, 0, gen_nr, 0, dst_map);
- pipe_buffer_unmap(pipe, src_transfer);
- pipe_buffer_unmap(pipe, dst_transfer);
+ if (src_transfer)
+ pipe_buffer_unmap(pipe, src_transfer);
+
+ if (dst_transfer)
+ pipe_buffer_unmap(pipe, dst_transfer);
+ else
+ u_upload_unmap(pipe->stream_uploader);
*out_buf = dst;
- if (!screen->debug.no_cache_index_buffers) {
+ if (src_sbuf && !screen->debug.no_cache_index_buffers) {
/* Save the new, translated index buffer in the hope we can use it
* again in the future.
*/
pipe_resource_reference(&src_sbuf->translated_indices.buffer, dst);
- src_sbuf->translated_indices.orig_prim = orig_prim;
+ src_sbuf->translated_indices.orig_prim = info->mode;
src_sbuf->translated_indices.new_prim = gen_prim;
src_sbuf->translated_indices.offset = offset;
src_sbuf->translated_indices.count = orig_nr;
- src_sbuf->translated_indices.index_size = index_size;
+ src_sbuf->translated_indices.index_size = gen_size;
}
return PIPE_OK;
fail:
- if (src_map)
+ if (src_transfer)
pipe_buffer_unmap(pipe, src_transfer);
- if (dst_map)
+ if (dst_transfer)
pipe_buffer_unmap(pipe, dst_transfer);
+ else if (dst_map)
+ u_upload_unmap(pipe->stream_uploader);
if (dst)
- pipe->screen->resource_destroy(pipe->screen, dst);
+ pipe_resource_reference(&dst, NULL);
return PIPE_ERROR_OUT_OF_MEMORY;
}
enum pipe_error
svga_hwtnl_draw_range_elements(struct svga_hwtnl *hwtnl,
- struct pipe_resource *index_buffer,
- unsigned index_size, int index_bias,
- unsigned min_index, unsigned max_index,
- enum pipe_prim_type prim, unsigned start, unsigned count,
- unsigned start_instance, unsigned instance_count)
+ const struct pipe_draw_info *info,
+ unsigned count)
{
+ struct pipe_context *pipe = &hwtnl->svga->pipe;
enum pipe_prim_type gen_prim;
unsigned gen_size, gen_nr;
enum indices_mode gen_type;
SVGA_STATS_TIME_PUSH(svga_sws(hwtnl->svga),
SVGA_STATS_TIME_HWTNLDRAWELEMENTS);
- if (svga_need_unfilled_fallback(hwtnl, prim)) {
- gen_type = u_unfilled_translator(prim,
- index_size,
+ if (svga_need_unfilled_fallback(hwtnl, info->mode)) {
+ gen_type = u_unfilled_translator(info->mode,
+ info->index_size,
count,
hwtnl->api_fillmode,
&gen_prim,
}
else {
gen_type = u_index_translator(svga_hw_prims,
- prim,
- index_size,
+ info->mode,
+ info->index_size,
count,
hwtnl->api_pv,
hwtnl->hw_pv,
if (gen_type == U_TRANSLATE_MEMCPY) {
/* No need for translation, just pass through to hardware:
*/
+ unsigned start_offset = info->start * info->index_size;
+ struct pipe_resource *index_buffer = NULL;
+ unsigned index_offset;
+
+ if (info->has_user_indices) {
+ u_upload_data(pipe->stream_uploader, 0, count * info->index_size,
+ info->index_size, (char *) info->index.user + start_offset,
+ &index_offset, &index_buffer);
+ u_upload_unmap(pipe->stream_uploader);
+ index_offset /= info->index_size;
+ } else {
+ pipe_resource_reference(&index_buffer, info->index.resource);
+ index_offset = info->start;
+ }
+
+ assert(index_buffer != NULL);
+
ret = svga_hwtnl_simple_draw_range_elements(hwtnl, index_buffer,
- index_size,
- index_bias,
- min_index,
- max_index,
- gen_prim, start, count,
- start_instance,
- instance_count);
+ info->index_size,
+ info->index_bias,
+ info->min_index,
+ info->max_index,
+ gen_prim, index_offset, count,
+ info->start_instance,
+ info->instance_count);
+ pipe_resource_reference(&index_buffer, NULL);
}
else {
struct pipe_resource *gen_buf = NULL;
+ unsigned gen_offset = 0;
/* Need to allocate a new index buffer and run the translate
* func to populate it. Could potentially cache this translated
* GL though, as index buffers are typically used only once
* there.
*/
- ret = translate_indices(hwtnl,
- index_buffer,
- start * index_size,
- prim, gen_prim,
+ ret = translate_indices(hwtnl, info, gen_prim,
count, gen_nr, gen_size,
- gen_func, &gen_buf);
+ gen_func, &gen_buf, &gen_offset);
if (ret == PIPE_OK) {
+ gen_offset /= gen_size;
ret = svga_hwtnl_simple_draw_range_elements(hwtnl,
gen_buf,
gen_size,
- index_bias,
- min_index,
- max_index,
- gen_prim, 0, gen_nr,
- start_instance,
- instance_count);
+ info->index_bias,
+ info->min_index,
+ info->max_index,
+ gen_prim, gen_offset,
+ gen_nr,
+ info->start_instance,
+ info->instance_count);
}
if (gen_buf) {
static enum pipe_error
retry_draw_range_elements(struct svga_context *svga,
- struct pipe_resource *index_buffer,
- unsigned index_size,
- int index_bias,
- unsigned min_index,
- unsigned max_index,
- enum pipe_prim_type prim,
- unsigned start,
- unsigned count,
- unsigned start_instance,
- unsigned instance_count)
+ const struct pipe_draw_info *info,
+ unsigned count)
{
enum pipe_error ret;
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_DRAWELEMENTS);
- for (unsigned try = 0; try < 2; try++) {
- ret = svga_hwtnl_draw_range_elements(svga->hwtnl,
- index_buffer, index_size,
- index_bias,
- min_index, max_index,
- prim, start, count,
- start_instance, instance_count);
- if (ret == PIPE_OK)
- break;
+ ret = svga_hwtnl_draw_range_elements(svga->hwtnl, info, count);
+ if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
+ ret = svga_hwtnl_draw_range_elements(svga->hwtnl, info, count);
}
+ assert (ret == PIPE_OK);
SVGA_STATS_TIME_POP(svga_sws(svga));
return ret;
}
unsigned count = info->count;
enum pipe_error ret = 0;
boolean needed_swtnl;
- struct pipe_resource *indexbuf =
- info->has_user_indices ? NULL : info->index.resource;
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_DRAWVBO);
svga->curr.rast->templ.cull_face == PIPE_FACE_FRONT_AND_BACK)
goto done;
- /* Upload a user index buffer. */
- unsigned index_offset = 0;
- if (info->index_size && info->has_user_indices &&
- !util_upload_index_buffer(pipe, info, &indexbuf, &index_offset)) {
- goto done;
- }
-
/*
* Mark currently bound target surfaces as dirty
* doesn't really matter if it is done before drawing.
/* Avoid leaking the previous hwtnl bias to swtnl */
svga_hwtnl_set_index_bias(svga->hwtnl, 0);
- ret = svga_swtnl_draw_vbo(svga, info, indexbuf, index_offset);
+ ret = svga_swtnl_draw_vbo(svga, info);
}
else {
if (!svga_update_state_retry(svga, SVGA_STATE_HW_DRAW)) {
pipe_debug_message(&svga->debug.callback, INFO, "%s", msg);
goto done;
}
-
svga_hwtnl_set_fillmode(svga->hwtnl, svga->curr.rast->hw_fillmode);
/** determine if flatshade is to be used after svga_update_state()
is_using_flat_shading(svga),
svga->curr.rast->templ.flatshade_first);
- if (info->index_size && indexbuf) {
- unsigned offset;
-
- assert(index_offset % info->index_size == 0);
- offset = index_offset / info->index_size;
-
- ret = retry_draw_range_elements(svga,
- indexbuf,
- info->index_size,
- info->index_bias,
- info->min_index,
- info->max_index,
- info->mode,
- info->start + offset,
- count,
- info->start_instance,
- info->instance_count);
+ if (info->index_size) {
+ ret = retry_draw_range_elements(svga, info, count);
}
else {
ret = retry_draw_arrays(svga, info->mode, info->start, count,
}
done:
- if (info->index_size && info->index.resource != indexbuf)
- pipe_resource_reference(&indexbuf, NULL);
SVGA_STATS_TIME_POP(svga_sws(svga));
}
{
struct svga_vbuf_render *svga_render = svga_vbuf_render(render);
struct svga_context *svga = svga_render->svga;
- struct pipe_screen *screen = svga->pipe.screen;
int bias = (svga_render->vbuf_offset - svga_render->vdecl_offset)
/ svga_render->vertex_size;
boolean ret;
- size_t size = 2 * nr_indices;
/* instancing will already have been resolved at this point by 'draw' */
- const unsigned start_instance = 0;
- const unsigned instance_count = 1;
+ const struct pipe_draw_info info = {
+ .index_size = 2,
+ .mode = svga_render->prim,
+ .has_user_indices = 1,
+ .index.user = indices,
+ .start_instance = 0,
+ .instance_count = 1,
+ .index_bias = bias,
+ .min_index = svga_render->min_index,
+ .max_index = svga_render->max_index,
+ .start = 0,
+ .count = nr_indices
+ };
assert((svga_render->vbuf_offset - svga_render->vdecl_offset)
% svga_render->vertex_size == 0);
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_VBUFDRAWELEMENTS);
- if (svga_render->ibuf_size < svga_render->ibuf_offset + size)
- pipe_resource_reference(&svga_render->ibuf, NULL);
-
- if (!svga_render->ibuf) {
- svga_render->ibuf_size = MAX2(size, svga_render->ibuf_alloc_size);
- svga_render->ibuf = pipe_buffer_create(screen,
- PIPE_BIND_INDEX_BUFFER,
- PIPE_USAGE_STREAM,
- svga_render->ibuf_size);
- svga_render->ibuf_offset = 0;
- }
-
- pipe_buffer_write_nooverlap(&svga->pipe, svga_render->ibuf,
- svga_render->ibuf_offset, 2 * nr_indices,
- indices);
-
/* off to hardware */
svga_vbuf_submit_state(svga_render);
* redbook/polys.c
*/
svga_update_state_retry(svga, SVGA_STATE_HW_DRAW);
-
- ret = svga_hwtnl_draw_range_elements(svga->hwtnl,
- svga_render->ibuf,
- 2,
- bias,
- svga_render->min_index,
- svga_render->max_index,
- svga_render->prim,
- svga_render->ibuf_offset / 2,
- nr_indices,
- start_instance, instance_count);
+ ret = svga_hwtnl_draw_range_elements(svga->hwtnl, &info, nr_indices);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
- ret = svga_hwtnl_draw_range_elements(svga->hwtnl,
- svga_render->ibuf,
- 2,
- bias,
- svga_render->min_index,
- svga_render->max_index,
- svga_render->prim,
- svga_render->ibuf_offset / 2,
- nr_indices,
- start_instance, instance_count);
+ ret = svga_hwtnl_draw_range_elements(svga->hwtnl, &info, nr_indices);
svga->swtnl.new_vbuf = TRUE;
assert(ret == PIPE_OK);
}
- svga_render->ibuf_offset += size;
-
SVGA_STATS_TIME_POP(svga_sws(svga));
}
projects / mesa.git / commitdiff