*
**********************************************************/
-#include "svga_cmd.h"
+#include "util/u_helpers.h"
#include "util/u_inlines.h"
#include "util/u_prim.h"
-#include "util/u_time.h"
-#include "indices/u_indices.h"
+#include "util/u_prim_restart.h"
-#include "svga_hw_reg.h"
#include "svga_context.h"
-#include "svga_screen.h"
#include "svga_draw.h"
-#include "svga_state.h"
+#include "svga_shader.h"
+#include "svga_surface.h"
#include "svga_swtnl.h"
#include "svga_debug.h"
+#include "svga_resource_buffer.h"
+/* Returns TRUE if we are currently using flat shading.
+ */
+static boolean
+is_using_flat_shading(const struct svga_context *svga)
+{
+ return
+ svga->state.hw_draw.fs ? svga->state.hw_draw.fs->uses_flat_interp : FALSE;
+}
static enum pipe_error
-retry_draw_range_elements( struct svga_context *svga,
- struct pipe_resource *index_buffer,
- unsigned index_size,
- unsigned min_index,
- unsigned max_index,
- unsigned prim,
- unsigned start,
- unsigned count,
- boolean do_retry )
+retry_draw_range_elements(struct svga_context *svga,
+ const struct pipe_draw_info *info,
+ unsigned count)
{
- enum pipe_error ret = 0;
-
- svga_hwtnl_set_unfilled( svga->hwtnl,
- svga->curr.rast->hw_unfilled );
-
- svga_hwtnl_set_flatshade( svga->hwtnl,
- svga->curr.rast->templ.flatshade,
- svga->curr.rast->templ.flatshade_first );
-
-
- ret = svga_update_state( svga, SVGA_STATE_HW_DRAW );
- if (ret)
- goto retry;
-
- ret = svga_hwtnl_draw_range_elements( svga->hwtnl,
- index_buffer, index_size,
- min_index, max_index,
- prim, start, count, 0 );
- if (ret)
- goto retry;
-
- if (svga->curr.any_user_vertex_buffers) {
- ret = svga_hwtnl_flush( svga->hwtnl );
- if (ret)
- goto retry;
- }
-
- return PIPE_OK;
+ enum pipe_error ret;
-retry:
- svga_context_flush( svga, NULL );
+ SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_DRAWELEMENTS);
- if (do_retry)
- {
- return retry_draw_range_elements( svga,
- index_buffer, index_size,
- min_index, max_index,
- prim, start, count,
- FALSE );
+ 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;
}
static enum pipe_error
-retry_draw_arrays( struct svga_context *svga,
- unsigned prim,
- unsigned start,
- unsigned count,
- boolean do_retry )
+retry_draw_arrays(struct svga_context *svga,
+ enum pipe_prim_type prim, unsigned start, unsigned count,
+ unsigned start_instance, unsigned instance_count)
{
enum pipe_error ret;
- svga_hwtnl_set_unfilled( svga->hwtnl,
- svga->curr.rast->hw_unfilled );
-
- svga_hwtnl_set_flatshade( svga->hwtnl,
- svga->curr.rast->templ.flatshade,
- svga->curr.rast->templ.flatshade_first );
-
- ret = svga_update_state( svga, SVGA_STATE_HW_DRAW );
- if (ret)
- goto retry;
-
- ret = svga_hwtnl_draw_arrays( svga->hwtnl, prim,
- start, count );
- if (ret)
- goto retry;
-
- if (svga->curr.any_user_vertex_buffers) {
- ret = svga_hwtnl_flush( svga->hwtnl );
- if (ret)
- goto retry;
- }
+ SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_DRAWARRAYS);
- return 0;
-
-retry:
- if (ret == PIPE_ERROR_OUT_OF_MEMORY && do_retry)
- {
- svga_context_flush( svga, NULL );
-
- return retry_draw_arrays( svga,
- prim,
- start,
- count,
- FALSE );
+ for (unsigned try = 0; try < 2; try++) {
+ ret = svga_hwtnl_draw_arrays(svga->hwtnl, prim, start, count,
+ start_instance, instance_count);
+ if (ret == PIPE_OK)
+ break;
+ svga_context_flush(svga, NULL);
}
+ SVGA_STATS_TIME_POP(svga_sws(svga));
return ret;
}
+/**
+ * Determine if we need to implement primitive restart with a fallback
+ * path which breaks the original primitive into sub-primitive at the
+ * restart indexes.
+ */
+static boolean
+need_fallback_prim_restart(const struct svga_context *svga,
+ const struct pipe_draw_info *info)
+{
+ if (info->primitive_restart && info->index_size) {
+ if (!svga_have_vgpu10(svga))
+ return TRUE;
+ else if (!svga->state.sw.need_swtnl) {
+ if (info->index_size == 1)
+ return TRUE; /* no device support for 1-byte indexes */
+ else if (info->index_size == 2)
+ return info->restart_index != 0xffff;
+ else
+ return info->restart_index != 0xffffffff;
+ }
+ }
+ return FALSE;
+}
static void
-svga_draw_range_elements( struct pipe_context *pipe,
- struct pipe_resource *index_buffer,
- unsigned index_size,
- unsigned min_index,
- unsigned max_index,
- unsigned prim, unsigned start, unsigned count)
+svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
{
- struct svga_context *svga = svga_context( pipe );
- unsigned reduced_prim = u_reduced_prim(prim);
+ struct svga_context *svga = svga_context(pipe);
+ enum pipe_prim_type reduced_prim = u_reduced_prim(info->mode);
+ unsigned count = info->count;
enum pipe_error ret = 0;
+ boolean needed_swtnl;
+
+ SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_DRAWVBO);
- if (!u_trim_pipe_prim( prim, &count ))
- return;
+ svga->hud.num_draw_calls++; /* for SVGA_QUERY_NUM_DRAW_CALLS */
+
+ if (u_reduced_prim(info->mode) == PIPE_PRIM_TRIANGLES &&
+ svga->curr.rast->templ.cull_face == PIPE_FACE_FRONT_AND_BACK)
+ goto done;
/*
* Mark currently bound target surfaces as dirty
svga->curr.reduced_prim = reduced_prim;
svga->dirty |= SVGA_NEW_REDUCED_PRIMITIVE;
}
-
- svga_update_state_retry( svga, SVGA_STATE_NEED_SWTNL );
-
-#ifdef DEBUG
- if (svga->curr.vs->base.id == svga->debug.disable_shader ||
- svga->curr.fs->base.id == svga->debug.disable_shader)
- return;
-#endif
-
- if (svga->state.sw.need_swtnl)
- {
- ret = svga_swtnl_draw_range_elements( svga,
- index_buffer,
- index_size,
- min_index, max_index,
- prim,
- start, count );
+
+ if (need_fallback_prim_restart(svga, info)) {
+ enum pipe_error r;
+ r = util_draw_vbo_without_prim_restart(pipe, info);
+ assert(r == PIPE_OK);
+ (void) r;
+ goto done;
+ }
+
+ if (!u_trim_pipe_prim(info->mode, &count))
+ goto done;
+
+ needed_swtnl = svga->state.sw.need_swtnl;
+
+ svga_update_state_retry(svga, SVGA_STATE_NEED_SWTNL);
+
+ if (svga->state.sw.need_swtnl) {
+ svga->hud.num_fallbacks++; /* for SVGA_QUERY_NUM_FALLBACKS */
+ if (!needed_swtnl) {
+ /*
+ * We're switching from HW to SW TNL. SW TNL will require mapping all
+ * currently bound vertex buffers, some of which may already be
+ * referenced in the current command buffer as result of previous HW
+ * TNL. So flush now, to prevent the context to flush while a referred
+ * vertex buffer is mapped.
+ */
+
+ svga_context_flush(svga, NULL);
+ }
+
+ /* Avoid leaking the previous hwtnl bias to swtnl */
+ svga_hwtnl_set_index_bias(svga->hwtnl, 0);
+ ret = svga_swtnl_draw_vbo(svga, info);
}
else {
- if (index_buffer) {
- ret = retry_draw_range_elements( svga,
- index_buffer,
- index_size,
- min_index,
- max_index,
- prim,
- start,
- count,
- TRUE );
+ if (!svga_update_state_retry(svga, SVGA_STATE_HW_DRAW)) {
+ static const char *msg = "State update failed, skipping draw call";
+ debug_printf("%s\n", msg);
+ 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()
+ * in case the fragment shader is changed.
+ */
+ svga_hwtnl_set_flatshade(svga->hwtnl,
+ svga->curr.rast->templ.flatshade ||
+ is_using_flat_shading(svga),
+ svga->curr.rast->templ.flatshade_first);
+
+ if (info->index_size) {
+ ret = retry_draw_range_elements(svga, info, count);
}
else {
- ret = retry_draw_arrays( svga,
- prim,
- start,
- count,
- TRUE );
+ ret = retry_draw_arrays(svga, info->mode, info->start, count,
+ info->start_instance, info->instance_count);
}
}
+ /* XXX: Silence warnings, do something sensible here? */
+ (void)ret;
+
if (SVGA_DEBUG & DEBUG_FLUSH) {
- svga_hwtnl_flush_retry( svga );
+ svga_hwtnl_flush_retry(svga);
svga_context_flush(svga, NULL);
}
-}
-
-static void
-svga_draw_elements( struct pipe_context *pipe,
- struct pipe_resource *index_buffer,
- unsigned index_size,
- unsigned prim, unsigned start, unsigned count)
-{
- svga_draw_range_elements( pipe, index_buffer,
- index_size,
- 0, 0xffffffff,
- prim, start, count );
-}
-
-static void
-svga_draw_arrays( struct pipe_context *pipe,
- unsigned prim, unsigned start, unsigned count)
-{
- svga_draw_range_elements(pipe, NULL, 0,
- start, start + count - 1,
- prim,
- start, count);
+done:
+ SVGA_STATS_TIME_POP(svga_sws(svga));
}
-void svga_init_draw_functions( struct svga_context *svga )
+void
+svga_init_draw_functions(struct svga_context *svga)
{
- svga->pipe.draw_arrays = svga_draw_arrays;
- svga->pipe.draw_elements = svga_draw_elements;
- svga->pipe.draw_range_elements = svga_draw_range_elements;
+ svga->pipe.draw_vbo = svga_draw_vbo;
}