Squashed commit of the following:

[mesa.git] / src / gallium / auxiliary / util / u_surface.c

diff --git a/src/gallium/auxiliary/util/u_surface.c b/src/gallium/auxiliary/util/u_surface.c
index f828908f0be44dec1cf0bfc7115347f303e7424a..42440d0d67389afdbdd4b355de469009b0b50d4a 100644 (file)
--- a/src/gallium/auxiliary/util/u_surface.c
+++ b/src/gallium/auxiliary/util/u_surface.c
@@ -35,7 +35,9 @@
 #include "pipe/p_screen.h"
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
+#include "util/u_inlines.h"
 
+#include "util/u_memory.h"
 #include "util/u_surface.h"
 
 
@@ -48,25 +50,25 @@
 boolean
 util_create_rgba_surface(struct pipe_screen *screen,
                          uint width, uint height,
-                         struct pipe_texture **textureOut,
+                        uint bind,
+                         struct pipe_resource **textureOut,
                          struct pipe_surface **surfaceOut)
 {
    static const enum pipe_format rgbaFormats[] = {
-      PIPE_FORMAT_A8R8G8B8_UNORM,
       PIPE_FORMAT_B8G8R8A8_UNORM,
-      PIPE_FORMAT_R8G8B8A8_UNORM,
+      PIPE_FORMAT_A8R8G8B8_UNORM,
+      PIPE_FORMAT_A8B8G8R8_UNORM,
       PIPE_FORMAT_NONE
    };
    const uint target = PIPE_TEXTURE_2D;
-   const uint usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
    enum pipe_format format = PIPE_FORMAT_NONE;
-   struct pipe_texture templ;
+   struct pipe_resource templ;
    uint i;
 
    /* Choose surface format */
    for (i = 0; rgbaFormats[i]; i++) {
       if (screen->is_format_supported(screen, rgbaFormats[i],
-                                      target, usage, 0)) {
+                                      target, bind, 0)) {
          format = rgbaFormats[i];
          break;
       }
@@ -82,16 +84,19 @@ util_create_rgba_surface(struct pipe_screen *screen,
    templ.width0 = width;
    templ.height0 = height;
    templ.depth0 = 1;
-   templ.tex_usage = usage;
+   templ.bind = bind;
 
-   *textureOut = screen->texture_create(screen, &templ);
+   *textureOut = screen->resource_create(screen, &templ);
    if (!*textureOut)
       return FALSE;
 
    /* create surface / view into texture */
-   *surfaceOut = screen->get_tex_surface(screen, *textureOut, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE);
+   *surfaceOut = screen->get_tex_surface(screen, 
+                                        *textureOut,
+                                        0, 0, 0,
+                                        bind);
    if (!*surfaceOut) {
-      pipe_texture_reference(textureOut, NULL);
+      pipe_resource_reference(textureOut, NULL);
       return FALSE;
    }
 
@@ -103,10 +108,80 @@ util_create_rgba_surface(struct pipe_screen *screen,
  * Release the surface and texture from util_create_rgba_surface().
  */
 void
-util_destroy_rgba_surface(struct pipe_texture *texture,
+util_destroy_rgba_surface(struct pipe_resource *texture,
                           struct pipe_surface *surface)
 {
    pipe_surface_reference(&surface, NULL);
-   pipe_texture_reference(&texture, NULL);
+   pipe_resource_reference(&texture, NULL);
 }
 
+
+
+/**
+ * Compare pipe_framebuffer_state objects.
+ * \return TRUE if same, FALSE if different
+ */
+boolean
+util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
+                             const struct pipe_framebuffer_state *src)
+{
+   unsigned i;
+
+   if (dst->width != src->width ||
+       dst->height != src->height)
+      return FALSE;
+
+   for (i = 0; i < Elements(src->cbufs); i++) {
+      if (dst->cbufs[i] != src->cbufs[i]) {
+         return FALSE;
+      }
+   }
+
+   if (dst->nr_cbufs != src->nr_cbufs) {
+      return FALSE;
+   }
+
+   if (dst->zsbuf != src->zsbuf) {
+      return FALSE;
+   }
+
+   return TRUE;
+}
+
+
+/**
+ * Copy framebuffer state from src to dst, updating refcounts.
+ */
+void
+util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
+                            const struct pipe_framebuffer_state *src)
+{
+   unsigned i;
+
+   dst->width = src->width;
+   dst->height = src->height;
+
+   for (i = 0; i < Elements(src->cbufs); i++) {
+      pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
+   }
+
+   dst->nr_cbufs = src->nr_cbufs;
+
+   pipe_surface_reference(&dst->zsbuf, src->zsbuf);
+}
+
+
+void
+util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb)
+{
+   unsigned i;
+
+   for (i = 0; i < fb->nr_cbufs; i++) {
+      pipe_surface_reference(&fb->cbufs[i], NULL);
+   }
+
+   pipe_surface_reference(&fb->zsbuf, NULL);
+
+   fb->width = fb->height = 0;
+   fb->nr_cbufs = 0;
+}