/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "pipe/p_defines.h"
#include "pipe/p_context.h"
+#include "util/u_draw.h"
#include "util/u_prim.h"
#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 (info->indirect) {
+ util_draw_indirect(pipe, info);
+ 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].is_user_buffer ?
+ lp->vertex_buffer[i].buffer.user : NULL;
+ size_t size = ~0;
+ if (!buf) {
+ if (!lp->vertex_buffer[i].buffer.resource) {
+ continue;
+ }
+ buf = llvmpipe_resource_data(lp->vertex_buffer[i].buffer.resource);
+ size = lp->vertex_buffer[i].buffer.resource->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->index_size) {
+ unsigned available_space = ~0;
+ mapped_indices = info->has_user_indices ? info->index.user : NULL;
+ if (!mapped_indices) {
+ mapped_indices = llvmpipe_resource_data(info->index.resource);
+ available_space = info->index.resource->width0;
+ }
+ draw_set_indexes(draw,
+ (ubyte *) mapped_indices,
+ info->index_size, available_space);
}
- else {
- /* no index/element buffer */
- draw_set_mapped_element_buffer_range(draw, 0, 0, start,
- start + count - 1, NULL);
+
+ llvmpipe_prepare_vertex_sampling(lp,
+ 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]);
+
+ llvmpipe_prepare_vertex_images(lp,
+ lp->num_images[PIPE_SHADER_VERTEX],
+ lp->images[PIPE_SHADER_VERTEX]);
+ llvmpipe_prepare_geometry_images(lp,
+ lp->num_images[PIPE_SHADER_GEOMETRY],
+ lp->images[PIPE_SHADER_GEOMETRY]);
+ if (lp->gs && lp->gs->no_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, &lp->gs->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);
+ }
+
+ if (lp->gs && lp->gs->no_tokens) {
+ /* we have attached stream output to the vs for rendering,
+ now lets reset it */
+ if (lp->vs) {
+ draw_vs_reset_so(lp->vs);
+ }
}
/*
}
-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;
}