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Diffstat (limited to 'src/gallium/drivers/svga/svga_swtnl_draw.c')
-rw-r--r--src/gallium/drivers/svga/svga_swtnl_draw.c170
1 files changed, 170 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_swtnl_draw.c b/src/gallium/drivers/svga/svga_swtnl_draw.c
new file mode 100644
index 0000000000..8b14c913f7
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_swtnl_draw.c
@@ -0,0 +1,170 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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 "draw/draw_context.h"
+#include "draw/draw_vbuf.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_state.h"
+#include "util/u_memory.h"
+
+#include "svga_context.h"
+#include "svga_swtnl.h"
+#include "svga_state.h"
+#include "svga_swtnl_private.h"
+
+
+
+enum pipe_error
+svga_swtnl_draw_range_elements(struct svga_context *svga,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned min_index,
+ unsigned max_index,
+ unsigned prim, unsigned start, unsigned count)
+{
+ struct draw_context *draw = svga->swtnl.draw;
+ unsigned i;
+ const void *map;
+ enum pipe_error ret;
+
+ assert(!svga->dirty);
+ assert(svga->state.sw.need_swtnl);
+ assert(draw);
+
+ ret = svga_update_state(svga, SVGA_STATE_SWTNL_DRAW);
+ if (ret) {
+ svga_context_flush(svga, NULL);
+ ret = svga_update_state(svga, SVGA_STATE_SWTNL_DRAW);
+ svga->swtnl.new_vbuf = TRUE;
+ assert(ret == PIPE_OK);
+ }
+
+ /*
+ * Map vertex buffers
+ */
+ for (i = 0; i < svga->curr.num_vertex_buffers; i++) {
+ map = pipe_buffer_map(svga->pipe.screen,
+ svga->curr.vb[i].buffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+
+ draw_set_mapped_vertex_buffer(draw, i, map);
+ }
+
+ /* Map index buffer, if present */
+ if (indexBuffer) {
+ map = pipe_buffer_map(svga->pipe.screen, indexBuffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+
+ draw_set_mapped_element_buffer_range(draw,
+ indexSize,
+ min_index,
+ max_index,
+ map);
+ }
+
+ if (svga->curr.cb[PIPE_SHADER_VERTEX]) {
+ map = pipe_buffer_map(svga->pipe.screen,
+ svga->curr.cb[PIPE_SHADER_VERTEX],
+ PIPE_BUFFER_USAGE_CPU_READ);
+ assert(map);
+ draw_set_mapped_constant_buffer(
+ draw,
+ map,
+ svga->curr.cb[PIPE_SHADER_VERTEX]->size);
+ }
+
+ draw_arrays(svga->swtnl.draw, prim, start, count);
+
+ draw_flush(svga->swtnl.draw);
+
+ /* Ensure the draw module didn't touch this */
+ assert(i == svga->curr.num_vertex_buffers);
+
+ /*
+ * unmap vertex/index buffers
+ */
+ for (i = 0; i < svga->curr.num_vertex_buffers; i++) {
+ pipe_buffer_unmap(svga->pipe.screen, svga->curr.vb[i].buffer);
+ draw_set_mapped_vertex_buffer(draw, i, NULL);
+ }
+
+ if (indexBuffer) {
+ pipe_buffer_unmap(svga->pipe.screen, indexBuffer);
+ draw_set_mapped_element_buffer(draw, 0, NULL);
+ }
+
+ if (svga->curr.cb[PIPE_SHADER_VERTEX]) {
+ pipe_buffer_unmap(svga->pipe.screen,
+ svga->curr.cb[PIPE_SHADER_VERTEX]);
+ }
+
+ return ret;
+}
+
+
+
+
+boolean svga_init_swtnl( struct svga_context *svga )
+{
+ svga->swtnl.backend = svga_vbuf_render_create(svga);
+ if(!svga->swtnl.backend)
+ goto fail;
+
+ /*
+ * Create drawing context and plug our rendering stage into it.
+ */
+ svga->swtnl.draw = draw_create();
+ if (svga->swtnl.draw == NULL)
+ goto fail;
+
+
+ draw_set_rasterize_stage(svga->swtnl.draw,
+ draw_vbuf_stage( svga->swtnl.draw, svga->swtnl.backend ));
+
+ draw_set_render(svga->swtnl.draw, svga->swtnl.backend);
+
+ draw_install_aaline_stage(svga->swtnl.draw, &svga->pipe);
+ draw_install_aapoint_stage(svga->swtnl.draw, &svga->pipe);
+ draw_install_pstipple_stage(svga->swtnl.draw, &svga->pipe);
+
+ draw_set_driver_clipping(svga->swtnl.draw, debug_get_bool_option("SVGA_SWTNL_FSE", FALSE));
+
+ return TRUE;
+
+fail:
+ if (svga->swtnl.backend)
+ svga->swtnl.backend->destroy( svga->swtnl.backend );
+
+ if (svga->swtnl.draw)
+ draw_destroy( svga->swtnl.draw );
+
+ return FALSE;
+}
+
+
+void svga_destroy_swtnl( struct svga_context *svga )
+{
+ draw_destroy( svga->swtnl.draw );
+}