Redesign pipe_surface in terms of pipe_region.

struct pipe_buffer goes away.
Added basic region functions to softpipe to allocate/release malloc'd regions.
Surface-related code is fairly coherent now.

1 files changed, 34 insertions, 20 deletions

diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c
index a900de169e5..7c35575d12e 100644
--- a/src/mesa/main/renderbuffer.c
+++ b/src/mesa/main/renderbuffer.c
@@ -51,7 +51,9 @@
 
 #include "pipe/softpipe/sp_z_surface.h"
 #include "pipe/p_state.h"
+#include "pipe/p_context.h"
 #include "pipe/p_defines.h"
+#include "state_tracker/st_context.h"
 
 
 /* 32-bit color index format.  Not a public format. */
@@ -949,6 +951,7 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
                                 GLenum internalFormat,
                                 GLuint width, GLuint height)
 {
+   struct pipe_context *pipe = ctx->st->pipe;
    GLuint pixelSize;
 
    /* first clear these fields */
@@ -1065,6 +1068,9 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoValues = put_mono_values_ubyte;
       rb->StencilBits = 8 * sizeof(GLubyte);
       pixelSize = sizeof(GLubyte);
+      if (!rb->surface)
+         rb->surface = (struct pipe_surface *)
+            pipe->surface_alloc(pipe, PIPE_FORMAT_U_S8);
       break;
    case GL_STENCIL_INDEX16_EXT:
       rb->_ActualFormat = GL_STENCIL_INDEX16_EXT;
@@ -1095,8 +1101,9 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutValues = put_values_ushort;
       rb->PutMonoValues = put_mono_values_ushort;
       rb->DepthBits = 8 * sizeof(GLushort);
-      rb->surface
-         = (struct pipe_surface *) softpipe_new_z_surface(PIPE_FORMAT_U_Z16);
+      if (!rb->surface)
+         rb->surface = (struct pipe_surface *)
+            pipe->surface_alloc(pipe, PIPE_FORMAT_U_Z16);
       pixelSize = sizeof(GLushort);
       break;
    case GL_DEPTH_COMPONENT24:
@@ -1119,8 +1126,9 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
          rb->_ActualFormat = GL_DEPTH_COMPONENT32;
          rb->DepthBits = 32;
       }
-      rb->surface
-         = (struct pipe_surface *) softpipe_new_z_surface(PIPE_FORMAT_U_Z32);
+      if (!rb->surface)
+         rb->surface = (struct pipe_surface *)
+            pipe->surface_alloc(pipe, PIPE_FORMAT_U_Z32);
       pixelSize = sizeof(GLuint);
       break;
    case GL_DEPTH_STENCIL_EXT:
@@ -1138,8 +1146,9 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoValues = put_mono_values_uint;
       rb->DepthBits = 24;
       rb->StencilBits = 8;
-      rb->surface
-         = (struct pipe_surface *) softpipe_new_z_surface(PIPE_FORMAT_Z24_S8);
+      if (!rb->surface)
+         rb->surface = (struct pipe_surface *)
+            pipe->surface_alloc(pipe, PIPE_FORMAT_Z24_S8);
       pixelSize = sizeof(GLuint);
       break;
    case GL_COLOR_INDEX8_EXT:
@@ -1202,28 +1211,33 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
    ASSERT(rb->PutMonoValues);
 
    /* free old buffer storage */
-   if (rb->Data) {
-      if (rb->surface) {
-         /* pipe surface */
-      }
-      else {
-         /* legacy renderbuffer */
-         _mesa_free(rb->Data);
-      }
-      rb->Data = NULL;
+   if (rb->surface) {
+      /* pipe_surface/region */
    }
+   else if (rb->Data) {
+      /* legacy renderbuffer (this will go away) */
+      _mesa_free(rb->Data);
+   }
+   rb->Data = NULL;
 
    if (width > 0 && height > 0) {
       /* allocate new buffer storage */
       if (rb->surface) {
-         /* pipe surface */
-         rb->surface->resize(rb->surface, width, height);
-         rb->Data = rb->surface->buffer.ptr;
+         /* pipe_surface/region */
+         if (rb->surface->region) {
+            pipe->region_unmap(pipe, rb->surface->region);
+            pipe->region_release(pipe, &rb->surface->region);
+         }
+         rb->surface->region = pipe->region_alloc(pipe, pixelSize, width, height);
+         /* XXX probably don't want to really map here */
+         pipe->region_map(pipe, rb->surface->region);
+         rb->Data = rb->surface->region->map;
       }
       else {
-         /* legacy renderbuffer */
-         rb->Data = _mesa_malloc(width * height * pixelSize);
+         /* legacy renderbuffer (this will go away) */
+         rb->Data = malloc(width * height * pixelSize);
       }
+
       if (rb->Data == NULL) {
          rb->Width = 0;
          rb->Height = 0;