svga: Add svga driver

1 files changed, 200 insertions, 0 deletions

diff --git a/src/gallium/drivers/svga/svga_state_need_swtnl.c b/src/gallium/drivers/svga/svga_state_need_swtnl.c
new file mode 100644
index 0000000000..00201b8091
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_state_need_swtnl.c
@@ -0,0 +1,200 @@
+/**********************************************************
+ * 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 "pipe/p_inlines.h"
+#include "pipe/p_state.h"
+
+
+#include "svga_context.h"
+#include "svga_state.h"
+#include "svga_debug.h"
+#include "svga_hw_reg.h"
+
+/***********************************************************************
+ */
+
+static INLINE SVGA3dDeclType 
+svga_translate_vertex_format(enum pipe_format format)
+{
+   switch (format) {
+   case PIPE_FORMAT_R32_FLOAT:            return SVGA3D_DECLTYPE_FLOAT1;
+   case PIPE_FORMAT_R32G32_FLOAT:         return SVGA3D_DECLTYPE_FLOAT2;
+   case PIPE_FORMAT_R32G32B32_FLOAT:      return SVGA3D_DECLTYPE_FLOAT3;
+   case PIPE_FORMAT_R32G32B32A32_FLOAT:   return SVGA3D_DECLTYPE_FLOAT4;
+   case PIPE_FORMAT_B8G8R8A8_UNORM:       return SVGA3D_DECLTYPE_D3DCOLOR;
+   case PIPE_FORMAT_R8G8B8A8_USCALED:     return SVGA3D_DECLTYPE_UBYTE4;
+   case PIPE_FORMAT_R16G16_SSCALED:       return SVGA3D_DECLTYPE_SHORT2;
+   case PIPE_FORMAT_R16G16B16A16_SSCALED: return SVGA3D_DECLTYPE_SHORT4;
+   case PIPE_FORMAT_R8G8B8A8_UNORM:       return SVGA3D_DECLTYPE_UBYTE4N;
+   case PIPE_FORMAT_R16G16_SNORM:         return SVGA3D_DECLTYPE_SHORT2N;
+   case PIPE_FORMAT_R16G16B16A16_SNORM:   return SVGA3D_DECLTYPE_SHORT4N;
+   case PIPE_FORMAT_R16G16_UNORM:         return SVGA3D_DECLTYPE_USHORT2N;
+   case PIPE_FORMAT_R16G16B16A16_UNORM:   return SVGA3D_DECLTYPE_USHORT4N;
+
+   /* These formats don't exist yet:
+    * 
+   case PIPE_FORMAT_R10G10B10_USCALED:    return SVGA3D_DECLTYPE_UDEC3;
+   case PIPE_FORMAT_R10G10B10_SNORM:      return SVGA3D_DECLTYPE_DEC3N;
+   case PIPE_FORMAT_R16G16_FLOAT:         return SVGA3D_DECLTYPE_FLOAT16_2;
+   case PIPE_FORMAT_R16G16B16A16_FLOAT:   return SVGA3D_DECLTYPE_FLOAT16_4;
+   */
+
+   default:
+      /* There are many formats without hardware support.  This case
+       * will be hit regularly, meaning we'll need swvfetch.
+       */
+      return SVGA3D_DECLTYPE_MAX;
+   }
+}
+
+
+static int update_need_swvfetch( struct svga_context *svga,
+                                 unsigned dirty )
+{
+   unsigned i;
+   boolean need_swvfetch = FALSE;
+
+   for (i = 0; i < svga->curr.num_vertex_elements; i++) {
+      svga->state.sw.ve_format[i] = svga_translate_vertex_format(svga->curr.ve[i].src_format);
+      if (svga->state.sw.ve_format[i] == SVGA3D_DECLTYPE_MAX) {
+         need_swvfetch = TRUE;
+         break;
+      }
+   }
+
+   if (need_swvfetch != svga->state.sw.need_swvfetch) {
+      svga->state.sw.need_swvfetch = need_swvfetch;
+      svga->dirty |= SVGA_NEW_NEED_SWVFETCH;
+   }
+   
+   return 0;
+}
+
+struct svga_tracked_state svga_update_need_swvfetch = 
+{
+   "update need_swvfetch",
+   ( SVGA_NEW_VELEMENT ),
+   update_need_swvfetch
+};
+
+
+/*********************************************************************** 
+ */
+
+static int update_need_pipeline( struct svga_context *svga,
+                                 unsigned dirty )
+{
+   
+   boolean need_pipeline = FALSE;
+
+   /* SVGA_NEW_RAST, SVGA_NEW_REDUCED_PRIMITIVE
+    */
+   if (svga->curr.rast->need_pipeline & (1 << svga->curr.reduced_prim)) {
+      SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline (%d) & prim (%x)\n", 
+                 __FUNCTION__,
+                 svga->curr.rast->need_pipeline,
+                 (1 << svga->curr.reduced_prim) );
+      need_pipeline = TRUE;
+   }
+
+   /* SVGA_NEW_EDGEFLAGS
+    */
+   if (svga->curr.rast->hw_unfilled != PIPE_POLYGON_MODE_FILL &&
+       svga->curr.reduced_prim == PIPE_PRIM_TRIANGLES && 
+       svga->curr.edgeflags != NULL) {
+      SVGA_DBG(DEBUG_SWTNL, "%s: edgeflags\n", __FUNCTION__);
+      need_pipeline = TRUE;
+   }
+
+   /* SVGA_NEW_CLIP 
+    */
+   if (!svga->curr.rast->templ.bypass_vs_clip_and_viewport &&
+       svga->curr.clip.nr) {
+      SVGA_DBG(DEBUG_SWTNL, "%s: userclip\n", __FUNCTION__);
+      need_pipeline = TRUE;
+   }
+
+   if (need_pipeline != svga->state.sw.need_pipeline) {
+      svga->state.sw.need_pipeline = need_pipeline;
+      svga->dirty |= SVGA_NEW_NEED_PIPELINE;
+   }
+
+   return 0;
+}
+
+
+struct svga_tracked_state svga_update_need_pipeline = 
+{
+   "need pipeline",
+   (SVGA_NEW_RAST |
+    SVGA_NEW_CLIP |
+    SVGA_NEW_REDUCED_PRIMITIVE),
+   update_need_pipeline
+};
+
+
+/*********************************************************************** 
+ */
+
+static int update_need_swtnl( struct svga_context *svga,
+                              unsigned dirty )
+{
+   boolean need_swtnl;
+
+   if (svga->debug.no_swtnl) {
+      svga->state.sw.need_swvfetch = 0;
+      svga->state.sw.need_pipeline = 0;
+   }
+
+   need_swtnl = (svga->state.sw.need_swvfetch ||
+                 svga->state.sw.need_pipeline);
+
+   if (svga->debug.force_swtnl) {
+      need_swtnl = 1;
+   }
+
+   if (need_swtnl != svga->state.sw.need_swtnl) {
+      SVGA_DBG(DEBUG_SWTNL|DEBUG_PERF,
+               "%s need_swvfetch: %s, need_pipeline %s\n",
+               __FUNCTION__,
+               svga->state.sw.need_swvfetch ? "true" : "false",
+               svga->state.sw.need_pipeline ? "true" : "false");
+
+      svga->state.sw.need_swtnl = need_swtnl;
+      svga->dirty |= SVGA_NEW_NEED_SWTNL;
+      svga->swtnl.new_vdecl = TRUE;
+   }
+  
+   return 0;
+}
+
+
+struct svga_tracked_state svga_update_need_swtnl =
+{
+   "need swtnl",
+   (SVGA_NEW_NEED_PIPELINE |
+    SVGA_NEW_NEED_SWVFETCH),
+   update_need_swtnl
+};