1 files changed, 67 insertions, 18 deletions

diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index 29b1634762..fcf76ef82e 100644
--- a/src/mesa/state_tracker/st_texture.c
+++ b/src/mesa/state_tracker/st_texture.c
@@ -32,6 +32,7 @@
 #include "st_cb_fbo.h"
 #include "main/enums.h"
 #include "main/teximage.h"
+#include "main/texstore.h"
 
 #undef Elements  /* fix re-defined macro warning */
 
@@ -190,19 +191,19 @@ st_texture_image_offset(const struct pipe_texture * pt,
  */
 GLubyte *
 st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
-		     GLuint zoffset,
-                     GLuint flags )
+		     GLuint zoffset, enum pipe_transfer_usage usage,
+                     GLuint x, GLuint y, GLuint w, GLuint h)
 {
    struct pipe_screen *screen = st->pipe->screen;
    struct pipe_texture *pt = stImage->pt;
    DBG("%s \n", __FUNCTION__);
 
-   stImage->surface = screen->get_tex_surface(screen, pt, stImage->face,
-                                              stImage->level, zoffset, 
-                                              flags);
+   stImage->transfer = screen->get_tex_transfer(screen, pt, stImage->face,
+                                                stImage->level, zoffset, 
+                                                usage, x, y, w, h);
 
-   if (stImage->surface)
-      return screen->surface_map(screen, stImage->surface, flags);
+   if (stImage->transfer)
+      return screen->transfer_map(screen, stImage->transfer);
    else
       return NULL;
 }
@@ -216,9 +217,9 @@ st_texture_image_unmap(struct st_context *st,
 
    DBG("%s\n", __FUNCTION__);
 
-   screen->surface_unmap(screen, stImage->surface);
+   screen->transfer_unmap(screen, stImage->transfer);
 
-   pipe_surface_reference(&stImage->surface, NULL);
+   screen->tex_transfer_release(screen, &stImage->transfer);
 }
 
 
@@ -233,13 +234,13 @@ st_texture_image_unmap(struct st_context *st,
  */
 static void
 st_surface_data(struct pipe_context *pipe,
-		struct pipe_surface *dst,
+		struct pipe_transfer *dst,
 		unsigned dstx, unsigned dsty,
 		const void *src, unsigned src_stride,
 		unsigned srcx, unsigned srcy, unsigned width, unsigned height)
 {
    struct pipe_screen *screen = pipe->screen;
-   void *map = screen->surface_map(screen, dst, PIPE_BUFFER_USAGE_CPU_WRITE);
+   void *map = screen->transfer_map(screen, dst);
 
    pipe_copy_rect(map,
                   &dst->block,
@@ -249,7 +250,7 @@ st_surface_data(struct pipe_context *pipe,
                   src, src_stride, 
                   srcx, srcy);
 
-   screen->surface_unmap(screen, dst);
+   screen->transfer_unmap(screen, dst);
 }
 
 
@@ -267,21 +268,23 @@ st_texture_image_data(struct pipe_context *pipe,
    GLuint depth = dst->depth[level];
    GLuint i;
    const GLubyte *srcUB = src;
-   struct pipe_surface *dst_surface;
+   struct pipe_transfer *dst_transfer;
 
    DBG("%s\n", __FUNCTION__);
    for (i = 0; i < depth; i++) {
-      dst_surface = screen->get_tex_surface(screen, dst, face, level, i,
-                                            PIPE_BUFFER_USAGE_CPU_WRITE);
+      dst_transfer = screen->get_tex_transfer(screen, dst, face, level, i,
+                                              PIPE_TRANSFER_WRITE, 0, 0,
+                                              dst->width[level],
+                                              dst->height[level]);
 
-      st_surface_data(pipe, dst_surface,
+      st_surface_data(pipe, dst_transfer,
 		      0, 0,                             /* dstx, dsty */
 		      srcUB,
 		      src_row_stride,
 		      0, 0,                             /* source x, y */
 		      dst->width[level], dst->height[level]);       /* width, height */
 
-      screen->tex_surface_release(screen, &dst_surface);
+      screen->tex_transfer_release(screen, &dst_transfer);
 
       srcUB += src_image_stride;
    }
@@ -352,6 +355,52 @@ st_texture_image_copy(struct pipe_context *pipe,
    }
 }
 
+/** Bind a pipe surface for use as a texture image */
+int
+st_set_teximage(struct pipe_texture *pt, int target)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   const GLuint unit = ctx->Texture.CurrentUnit;
+   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+   struct st_texture_image *stImage;
+   int internalFormat;
+
+   switch (pt->format) {
+   case PIPE_FORMAT_A8R8G8B8_UNORM:
+      internalFormat = GL_RGBA8;
+      break;
+   default:
+      return 0;
+   };
+
+   switch (target) {
+   case ST_TEXTURE_2D:
+      target = GL_TEXTURE_2D;
+      break;
+   case ST_TEXTURE_RECT:
+      target = GL_TEXTURE_RECTANGLE_ARB;
+      break;
+   default:
+      return 0;
+   }
+
+   texObj = _mesa_select_tex_object(ctx, texUnit, target);
+   texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
+   stImage = st_texture_image(texImage);
+   
+   _mesa_init_teximage_fields(ctx, GL_TEXTURE_2D, texImage, pt->width[0],
+                              pt->height[0], 1, 0, internalFormat);
+
+   texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat, GL_RGBA,
+                                                GL_UNSIGNED_BYTE);
+   _mesa_set_fetch_functions(texImage, 2);
+
+   pipe_texture_reference(&stImage->pt, pt);
+
+   return 1;
+}
 
 /** Redirect rendering into stfb's surface to a texture image */
 int
@@ -380,7 +429,7 @@ st_bind_teximage(struct st_framebuffer *stfb, uint surfIndex,
    }
 
    if (target == ST_TEXTURE_2D) {
-      texObj = texUnit->Current2D;
+      texObj = texUnit->CurrentTex[TEXTURE_2D_INDEX];
       texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, level);
       stImage = st_texture_image(texImage);
    }