#include "lp_context.h"
#include "lp_state.h"
+#include "lp_query.h"
#include "draw/draw_context.h"
/**
- * Draw vertex arrays, with optional indexing.
+ * Draw vertex arrays, with optional indexing, optional instancing.
+ * All the other drawing functions are implemented in terms of this function.
* Basically, map the vertex buffers (and drawing surfaces), then hand off
* the drawing to the 'draw' module.
*/
static void
-llvmpipe_draw_range_elements(struct pipe_context *pipe,
- struct pipe_resource *indexBuffer,
- unsigned indexSize,
- int indexBias,
- unsigned min_index,
- unsigned max_index,
- unsigned mode, unsigned start, unsigned count)
+llvmpipe_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
{
struct llvmpipe_context *lp = llvmpipe_context(pipe);
struct draw_context *draw = lp->draw;
+ const void *mapped_indices = NULL;
unsigned i;
+ if (!llvmpipe_check_render_cond(lp))
+ return;
+
if (lp->dirty)
llvmpipe_update_derived( lp );
* Map vertex buffers
*/
for (i = 0; i < lp->num_vertex_buffers; i++) {
- void *buf = llvmpipe_resource_data(lp->vertex_buffer[i].buffer);
- draw_set_mapped_vertex_buffer(draw, i, buf);
+ const void *buf = lp->vertex_buffer[i].user_buffer;
+ size_t size = ~0;
+ if (!buf) {
+ if (!lp->vertex_buffer[i].buffer) {
+ continue;
+ }
+ buf = llvmpipe_resource_data(lp->vertex_buffer[i].buffer);
+ size = lp->vertex_buffer[i].buffer->width0;
+ }
+ draw_set_mapped_vertex_buffer(draw, i, buf, size);
}
/* Map index buffer, if present */
- if (indexBuffer) {
- void *mapped_indexes = llvmpipe_resource_data(indexBuffer);
- draw_set_mapped_element_buffer_range(draw, indexSize, indexBias,
- min_index,
- max_index,
- mapped_indexes);
+ if (info->indexed) {
+ unsigned available_space = ~0;
+ mapped_indices = lp->index_buffer.user_buffer;
+ if (!mapped_indices) {
+ mapped_indices = llvmpipe_resource_data(lp->index_buffer.buffer);
+ if (lp->index_buffer.buffer->width0 > lp->index_buffer.offset)
+ available_space =
+ (lp->index_buffer.buffer->width0 - lp->index_buffer.offset);
+ else
+ available_space = 0;
+ }
+ draw_set_indexes(draw,
+ (ubyte *) mapped_indices + lp->index_buffer.offset,
+ lp->index_buffer.index_size, available_space);
}
- else {
- /* no index/element buffer */
- draw_set_mapped_element_buffer_range(draw, 0, 0, start,
- start + count - 1, NULL);
+
+ for (i = 0; i < lp->num_so_targets; i++) {
+ void *buf = 0;
+ if (lp->so_targets[i]) {
+ buf = llvmpipe_resource(lp->so_targets[i]->target.buffer)->data;
+ lp->so_targets[i]->mapping = buf;
+ }
}
+ draw_set_mapped_so_targets(draw, lp->num_so_targets,
+ lp->so_targets, lp->so_append_bitmask);
+
llvmpipe_prepare_vertex_sampling(lp,
- lp->num_vertex_sampler_views,
- lp->vertex_sampler_views);
+ lp->num_sampler_views[PIPE_SHADER_VERTEX],
+ lp->sampler_views[PIPE_SHADER_VERTEX]);
+ llvmpipe_prepare_geometry_sampling(lp,
+ lp->num_sampler_views[PIPE_SHADER_GEOMETRY],
+ lp->sampler_views[PIPE_SHADER_GEOMETRY]);
+ if (lp->gs && !lp->gs->shader.tokens) {
+ /* we have an empty geometry shader with stream output, so
+ attach the stream output info to the current vertex shader */
+ if (lp->vs) {
+ draw_vs_attach_so(lp->vs->draw_data, &lp->gs->shader.stream_output);
+ }
+ }
+ draw_collect_pipeline_statistics(draw,
+ lp->active_statistics_queries > 0);
/* draw! */
- draw_arrays(draw, mode, start, count);
+ draw_vbo(draw, info);
/*
* unmap vertex/index buffers
*/
for (i = 0; i < lp->num_vertex_buffers; i++) {
- draw_set_mapped_vertex_buffer(draw, i, NULL);
+ draw_set_mapped_vertex_buffer(draw, i, NULL, 0);
}
- if (indexBuffer) {
- draw_set_mapped_element_buffer(draw, 0, 0, NULL);
+ if (mapped_indices) {
+ draw_set_indexes(draw, NULL, 0, 0);
}
+ draw_set_mapped_so_targets(draw, 0, NULL, 0);
+
+ if (lp->gs && !lp->gs->shader.tokens) {
+ /* we have attached stream output to the vs for rendering,
+ now lets reset it */
+ if (lp->vs) {
+ draw_vs_reset_so(lp->vs->draw_data);
+ }
+ }
+
llvmpipe_cleanup_vertex_sampling(lp);
+ llvmpipe_cleanup_geometry_sampling(lp);
/*
* TODO: Flush only when a user vertex/index buffer is present
}
-static void
-llvmpipe_draw_elements(struct pipe_context *pipe,
- struct pipe_resource *indexBuffer,
- unsigned indexSize,
- int indexBias,
- unsigned mode, unsigned start, unsigned count)
-{
- llvmpipe_draw_range_elements( pipe, indexBuffer,
- indexSize, indexBias,
- 0, 0xffffffff,
- mode, start, count );
-}
-
-
-static void
-llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
- unsigned start, unsigned count)
-{
- llvmpipe_draw_elements(pipe, NULL, 0, 0, mode, start, count);
-}
-
-
void
llvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe)
{
- llvmpipe->pipe.draw_arrays = llvmpipe_draw_arrays;
- llvmpipe->pipe.draw_elements = llvmpipe_draw_elements;
- llvmpipe->pipe.draw_range_elements = llvmpipe_draw_range_elements;
+ llvmpipe->pipe.draw_vbo = llvmpipe_draw_vbo;
}
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