1 files changed, 43 insertions, 27 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 6d309c6..111eedc 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -27,6 +27,8 @@
 
 
 #include "util/u_memory.h"
+#include "util/u_math.h"
+#include "util/u_cpu_detect.h"
 #include "util/u_format.h"
 #include "util/u_format_s3tc.h"
 #include "pipe/p_defines.h"
@@ -39,6 +41,7 @@
 #include "lp_context.h"
 #include "lp_debug.h"
 #include "lp_public.h"
+#include "lp_limits.h"
 
 #include "state_tracker/sw_winsys.h"
 
@@ -94,6 +97,8 @@ llvmpipe_get_param(struct pipe_screen *screen, int param)
       return 1;
    case PIPE_CAP_GLSL:
       return 1;
+   case PIPE_CAP_SM3:
+      return 1;
    case PIPE_CAP_ANISOTROPIC_FILTER:
       return 0;
    case PIPE_CAP_POINT_SPRITE:
@@ -165,7 +170,7 @@ static boolean
 llvmpipe_is_format_supported( struct pipe_screen *_screen,
                               enum pipe_format format, 
                               enum pipe_texture_target target,
-                              unsigned tex_usage, 
+                              unsigned bind,
                               unsigned geom_flags )
 {
    struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
@@ -173,7 +178,7 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
    const struct util_format_description *format_desc;
 
    format_desc = util_format_description(format);
-   if(!format_desc)
+   if (!format_desc)
       return FALSE;
 
    assert(target == PIPE_TEXTURE_1D ||
@@ -181,45 +186,42 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
           target == PIPE_TEXTURE_3D ||
           target == PIPE_TEXTURE_CUBE);
 
-   switch(format) {
-   case PIPE_FORMAT_DXT1_RGB:
-   case PIPE_FORMAT_DXT1_RGBA:
-   case PIPE_FORMAT_DXT3_RGBA:
-   case PIPE_FORMAT_DXT5_RGBA:
-      return util_format_s3tc_enabled;
-   default:
-      break;
-   }
-
-   if(tex_usage & PIPE_BIND_RENDER_TARGET) {
-      if(format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
+   if (bind & PIPE_BIND_RENDER_TARGET) {
+      if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
          return FALSE;
 
-      if(format_desc->block.width != 1 ||
-         format_desc->block.height != 1)
+      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
          return FALSE;
 
-      if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB &&
-         format_desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB)
+      if (format_desc->block.width != 1 ||
+          format_desc->block.height != 1)
          return FALSE;
    }
 
-   if(tex_usage & (PIPE_BIND_DISPLAY_TARGET |
-                   PIPE_BIND_SCANOUT |
-                   PIPE_BIND_SHARED)) {
-      if(!winsys->is_displaytarget_format_supported(winsys, tex_usage, format))
+   if (bind & PIPE_BIND_DISPLAY_TARGET) {
+      if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
          return FALSE;
    }
 
-   if(tex_usage & PIPE_BIND_DEPTH_STENCIL) {
-      if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
+   if (bind & PIPE_BIND_DEPTH_STENCIL) {
+      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
+         return FALSE;
+
+      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
          return FALSE;
 
       /* FIXME: Temporary restriction. See lp_state_fs.c. */
-      if(format_desc->block.bits != 32)
+      if (format_desc->block.bits != 32)
          return FALSE;
    }
 
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
+      return util_format_s3tc_enabled;
+   }
+
+   /*
+    * Everything else should be supported by u_format.
+    */
    return TRUE;
 }
 
@@ -286,12 +288,26 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
    screen->base.context_create = llvmpipe_create_context;
    screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
 
-   util_format_s3tc_init();
-
    llvmpipe_init_screen_resource_funcs(&screen->base);
    llvmpipe_init_screen_fence_funcs(&screen->base);
 
    lp_jit_screen_init(screen);
 
+#ifdef PIPE_OS_WINDOWS
+   /* Multithreading not supported on windows until conditions and barriers are
+    * properly implemented. */
+   screen->num_threads = 0;
+#else
+#ifdef PIPE_OS_EMBEDDED
+   screen->num_threads = 0;
+#else
+   screen->num_threads = util_cpu_caps.nr_cpus;
+#endif
+   screen->num_threads = debug_get_num_option("LP_NUM_THREADS", screen->num_threads);
+   screen->num_threads = MIN2(screen->num_threads, LP_MAX_THREADS);
+#endif
+
+   util_format_s3tc_init();
+
    return &screen->base;
 }