gallium: Finer grained is_format_supported.

11 files changed, 73 insertions, 67 deletions

diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c
index 3dc9fdd11e7..ae087df4cf7 100644
--- a/src/gallium/auxiliary/util/u_blit.c
+++ b/src/gallium/auxiliary/util/u_blit.c
@@ -307,8 +307,10 @@ util_blit_pixels(struct blit_state *ctx,
       dstY1 = tmp;
    }
 
-   assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE));
-   assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE));
+   assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE_2D,
+                                      PIPE_TEXTURE_USAGE_SAMPLER, 0));
+   assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
+                                      PIPE_TEXTURE_USAGE_SAMPLER, 0));
 
    if(dst->format == src->format && (dstX1 - dstX0) == srcW && (dstY1 - dstY0) == srcH) {
       /* FIXME: this will most surely fail for overlapping rectangles */
@@ -319,7 +321,8 @@ util_blit_pixels(struct blit_state *ctx,
       return;
    }
    
-   assert(screen->is_format_supported(screen, dst->format, PIPE_SURFACE));
+   assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
+                                      PIPE_TEXTURE_USAGE_RENDER_TARGET, 0));
 
    /*
     * XXX for now we're always creating a temporary texture.
@@ -449,7 +452,8 @@ util_blit_pixels_tex(struct blit_state *ctx,
    t0 = srcY0 / (float)tex->height[0];
    t1 = srcY1 / (float)tex->height[0];
 
-   assert(screen->is_format_supported(screen, dst->format, PIPE_SURFACE));
+   assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
+                                      PIPE_TEXTURE_USAGE_RENDER_TARGET, 0));
 
    /* save state (restored below) */
    cso_save_blend(ctx->cso);
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index 5313a8008a9..4999822068a 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -858,7 +858,8 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
    uint zslice = 0;
 
    /* check if we can render in the texture's format */
-   if (!screen->is_format_supported(screen, pt->format, PIPE_SURFACE)) {
+   if (!screen->is_format_supported(screen, pt->format, PIPE_TEXTURE_2D,
+                                    PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
       fallback_gen_mipmap(ctx, pt, face, baseLevel, lastLevel);
       return;
    }
diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c
index 5198b51441a..cf9b68b695f 100644
--- a/src/gallium/drivers/cell/ppu/cell_screen.c
+++ b/src/gallium/drivers/cell/ppu/cell_screen.c
@@ -115,23 +115,17 @@ cell_get_paramf(struct pipe_screen *screen, int param)
 
 static boolean
 cell_is_format_supported( struct pipe_screen *screen,
-                          enum pipe_format format, uint type )
+                          enum pipe_format format, 
+                          enum pipe_texture_target target,
+                          unsigned tex_usage, 
+                          unsigned geom_flags )
 {
-   switch (type) {
-   case PIPE_TEXTURE:
-      /* cell supports most texture formats, XXX for now anyway */
-      if (format == PIPE_FORMAT_DXT5_RGBA ||
-          format == PIPE_FORMAT_R8G8B8A8_SRGB)
-         return FALSE;
-      else
-         return TRUE;
-   case PIPE_SURFACE:
-      /* cell supports all (off-screen) surface formats, XXX for now */
-      return TRUE;
-   default:
-      assert(0);
+   /* cell supports most formats, XXX for now anyway */
+   if (format == PIPE_FORMAT_DXT5_RGBA ||
+       format == PIPE_FORMAT_R8G8B8A8_SRGB)
       return FALSE;
-   }
+   else
+      return TRUE;
 }
 
 
diff --git a/src/gallium/drivers/i915simple/i915_screen.c b/src/gallium/drivers/i915simple/i915_screen.c
index ba8f183bdf0..4b1b8af7da8 100644
--- a/src/gallium/drivers/i915simple/i915_screen.c
+++ b/src/gallium/drivers/i915simple/i915_screen.c
@@ -148,7 +148,10 @@ i915_get_paramf(struct pipe_screen *screen, int param)
 
 static boolean
 i915_is_format_supported( struct pipe_screen *screen,
-                          enum pipe_format format, uint type )
+                          enum pipe_format format, 
+                          enum pipe_texture_target target,
+                          unsigned tex_usage, 
+                          unsigned geom_flags )
 {
    static const enum pipe_format tex_supported[] = {
       PIPE_FORMAT_R8G8B8A8_UNORM,
@@ -173,17 +176,10 @@ i915_is_format_supported( struct pipe_screen *screen,
    const enum pipe_format *list;
    uint i;
 
-   switch (type) {
-   case PIPE_TEXTURE:
-      list = tex_supported;
-      break;
-   case PIPE_SURFACE:
+   if(tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET)
       list = surface_supported;
-      break;
-   default:
-      assert(0);
-      return FALSE;
-   }
+   else
+      list = tex_supported;
 
    for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
       if (list[i] == format)
diff --git a/src/gallium/drivers/i965simple/brw_screen.c b/src/gallium/drivers/i965simple/brw_screen.c
index b700f7e4f5d..6d8f24d1c49 100644
--- a/src/gallium/drivers/i965simple/brw_screen.c
+++ b/src/gallium/drivers/i965simple/brw_screen.c
@@ -136,7 +136,10 @@ brw_get_paramf(struct pipe_screen *screen, int param)
 
 static boolean
 brw_is_format_supported( struct pipe_screen *screen,
-                         enum pipe_format format, uint type )
+                         enum pipe_format format, 
+                         enum pipe_texture_target target,
+                         unsigned tex_usage, 
+                         unsigned geom_flags )
 {
 #if 0
    /* XXX: This is broken -- rewrite if still needed. */
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index f6193bfaf9a..3f9d4b0ed31 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -115,23 +115,19 @@ softpipe_get_paramf(struct pipe_screen *screen, int param)
  */
 static boolean
 softpipe_is_format_supported( struct pipe_screen *screen,
-                              enum pipe_format format, uint type )
+                              enum pipe_format format, 
+                              enum pipe_texture_target target,
+                              unsigned tex_usage, 
+                              unsigned geom_flags )
 {
-   switch (type) {
-   case PIPE_TEXTURE:
-   case PIPE_SURFACE:
-      switch(format) {
-      case PIPE_FORMAT_DXT1_RGB:
-      case PIPE_FORMAT_DXT1_RGBA:
-      case PIPE_FORMAT_DXT3_RGBA:
-      case PIPE_FORMAT_DXT5_RGBA:
-         return FALSE;
-      default:
-         return TRUE;
-      }
-   default:
-      assert(0);
+   switch(format) {
+   case PIPE_FORMAT_DXT1_RGB:
+   case PIPE_FORMAT_DXT1_RGBA:
+   case PIPE_FORMAT_DXT3_RGBA:
+   case PIPE_FORMAT_DXT5_RGBA:
       return FALSE;
+   default:
+      return TRUE;
    }
 }
 
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index bc4d7c845a9..b1d100ef53c 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -172,11 +172,8 @@ enum pipe_texture_target {
 #define PIPE_TEXTURE_USAGE_DEPTH_STENCIL   0x8
 #define PIPE_TEXTURE_USAGE_SAMPLER         0x10
 
-/**
- * Surfaces, textures, etc. (others may be added)
- */
-#define PIPE_TEXTURE        1
-#define PIPE_SURFACE        2  /**< user-created surfaces */
+#define PIPE_TEXTURE_GEOM_NON_SQUARE       0x1
+#define PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO 0x2
 
 
 /**
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index cc8430dae16..b15affef7a5 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -77,11 +77,14 @@ struct pipe_screen {
    /**
     * Check if the given pipe_format is supported as a texture or
     * drawing surface.
-    * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
+    * \param tex_usage  bitmask of PIPE_TEXTURE_USAGE_*
+    * \param flags  bitmask of PIPE_TEXTURE_GEOM_*
     */
    boolean (*is_format_supported)( struct pipe_screen *,
-                                   enum pipe_format format, 
-                                   uint type );
+                                   enum pipe_format format,
+                                   enum pipe_texture_target target,
+                                   unsigned tex_usage, 
+                                   unsigned geom_flags );
 
    /**
     * Create a new texture object, using the given template info.
diff --git a/src/gallium/state_trackers/python/gallium.i b/src/gallium/state_trackers/python/gallium.i
index c08ac87acae..8d8b762ea57 100644
--- a/src/gallium/state_trackers/python/gallium.i
+++ b/src/gallium/state_trackers/python/gallium.i
@@ -158,8 +158,15 @@ struct st_context {
     * drawing surface.
     * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
     */
-   int is_format_supported( enum pipe_format format, unsigned type ) {
-      return $self->screen->is_format_supported( $self->screen, format, type);
+   int is_format_supported( enum pipe_format format, 
+                            enum pipe_texture_target target,
+                            unsigned tex_usage, 
+                            unsigned geom_flags ) {
+      return $self->screen->is_format_supported( $self->screen, 
+                                                 format, 
+                                                 target, 
+                                                 tex_usage, 
+                                                 geom_flags );
    }
 
    struct st_context *
@@ -175,7 +182,7 @@ struct st_context {
          unsigned depth = 1,
          unsigned last_level = 0,
          enum pipe_texture_target target = PIPE_TEXTURE_2D,
-         unsigned usage = 0
+         unsigned tex_usage = 0
       ) {
       struct pipe_texture templat;
       memset(&templat, 0, sizeof(templat));
@@ -186,7 +193,7 @@ struct st_context {
       templat.depth[0] = depth;
       templat.last_level = last_level;
       templat.target = target;
-      templat.tex_usage = usage;
+      templat.tex_usage = tex_usage;
       return $self->screen->texture_create($self->screen, &templat);
    }
    
diff --git a/src/gallium/state_trackers/python/samples/tri.py b/src/gallium/state_trackers/python/samples/tri.py
index 36659229298..1271c67627d 100644
--- a/src/gallium/state_trackers/python/samples/tri.py
+++ b/src/gallium/state_trackers/python/samples/tri.py
@@ -140,9 +140,11 @@ def test(dev):
     ctx.set_clip(clip)
 
     # framebuffer
-    cbuf = dev.texture_create(PIPE_FORMAT_X8R8G8B8_UNORM, 
-                              width, height,
-                              usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET)
+    cbuf = dev.texture_create(
+        PIPE_FORMAT_X8R8G8B8_UNORM, 
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET,
+    )
     _cbuf = cbuf.get_surface(usage = PIPE_BUFFER_USAGE_GPU_READ|PIPE_BUFFER_USAGE_GPU_WRITE)
     fb = Framebuffer()
     fb.width = width
diff --git a/src/gallium/state_trackers/python/tests/texture.py b/src/gallium/state_trackers/python/tests/texture.py
index 16ad78c8aa8..b2ca9f416f5 100644
--- a/src/gallium/state_trackers/python/tests/texture.py
+++ b/src/gallium/state_trackers/python/tests/texture.py
@@ -136,7 +136,7 @@ class TextureTest(TestCase):
         level = self.level
         zslice = self.zslice
         
-        if not dev.is_format_supported(format, PIPE_TEXTURE):
+        if not dev.is_format_supported(format, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER, 0):
             raise TestSkip
         
         ctx = self.dev.context_create()
@@ -199,6 +199,7 @@ class TextureTest(TestCase):
             height = height,
             depth = depth, 
             last_level = last_level,
+            tex_usage = PIPE_TEXTURE_USAGE_SAMPLER,
         )
         
         expected_rgba = FloatArray(height*width*4) 
@@ -212,10 +213,12 @@ class TextureTest(TestCase):
         ctx.set_sampler_texture(0, texture)
 
         #  framebuffer 
-        cbuf_tex = dev.texture_create(PIPE_FORMAT_A8R8G8B8_UNORM, 
-                                      width, 
-                                      height,
-                                      usage = PIPE_TEXTURE_USAGE_RENDER_TARGET)
+        cbuf_tex = dev.texture_create(
+            PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
 
         cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_GPU_WRITE|PIPE_BUFFER_USAGE_GPU_READ)
         fb = Framebuffer()