Cell: implement pipe_screen for cell driver

7 files changed, 249 insertions, 63 deletions

diff --git a/src/gallium/drivers/cell/ppu/Makefile b/src/gallium/drivers/cell/ppu/Makefile
index 164dde762c0..d38fa6ce073 100644
--- a/src/gallium/drivers/cell/ppu/Makefile
+++ b/src/gallium/drivers/cell/ppu/Makefile
@@ -29,6 +29,7 @@ SOURCES = \
 	cell_state_emit.c \
 	cell_state_shader.c \
 	cell_pipe_state.c \
+	cell_screen.c \
 	cell_state_vertex.c \
 	cell_spu.c \
 	cell_surface.c \
diff --git a/src/gallium/drivers/cell/ppu/cell_context.c b/src/gallium/drivers/cell/ppu/cell_context.c
index 5cbc922cb90..bb1838409fc 100644
--- a/src/gallium/drivers/cell/ppu/cell_context.c
+++ b/src/gallium/drivers/cell/ppu/cell_context.c
@@ -37,9 +37,12 @@
 #include "pipe/p_format.h"
 #include "pipe/p_util.h"
 #include "pipe/p_winsys.h"
-#include "cell/common.h"
+#include "pipe/p_screen.h"
+
 #include "draw/draw_context.h"
 #include "draw/draw_private.h"
+
+#include "cell/common.h"
 #include "cell_clear.h"
 #include "cell_context.h"
 #include "cell_draw_arrays.h"
@@ -76,73 +79,24 @@ cell_is_format_supported( struct pipe_context *pipe,
 
 static int cell_get_param(struct pipe_context *pipe, int param)
 {
-   switch (param) {
-   case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
-      return 8;
-   case PIPE_CAP_NPOT_TEXTURES:
-      return 1;
-   case PIPE_CAP_TWO_SIDED_STENCIL:
-      return 1;
-   case PIPE_CAP_GLSL:
-      return 1;
-   case PIPE_CAP_S3TC:
-      return 0;
-   case PIPE_CAP_ANISOTROPIC_FILTER:
-      return 0;
-   case PIPE_CAP_POINT_SPRITE:
-      return 1;
-   case PIPE_CAP_MAX_RENDER_TARGETS:
-      return 1;
-   case PIPE_CAP_OCCLUSION_QUERY:
-      return 1;
-   case PIPE_CAP_TEXTURE_SHADOW_MAP:
-      return 1;
-   case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
-      return 12; /* max 2Kx2K */
-   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
-      return 8;  /* max 128x128x128 */
-   case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
-      return 12; /* max 2Kx2K */
-   default:
-      return 0;
-   }
+   return pipe->screen->get_param(pipe->screen, param);
 }
 
 static float cell_get_paramf(struct pipe_context *pipe, int param)
 {
-   switch (param) {
-   case PIPE_CAP_MAX_LINE_WIDTH:
-      /* fall-through */
-   case PIPE_CAP_MAX_LINE_WIDTH_AA:
-      return 255.0; /* arbitrary */
-
-   case PIPE_CAP_MAX_POINT_WIDTH:
-      /* fall-through */
-   case PIPE_CAP_MAX_POINT_WIDTH_AA:
-      return 255.0; /* arbitrary */
-
-   case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
-      return 0.0;
-
-   case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
-      return 16.0; /* arbitrary */
-
-   default:
-      return 0;
-   }
+   return pipe->screen->get_paramf(pipe->screen, param);
 }
 
-
 static const char *
 cell_get_name( struct pipe_context *pipe )
 {
-   return "Cell";
+   return pipe->screen->get_name(pipe->screen);
 }
 
 static const char *
 cell_get_vendor( struct pipe_context *pipe )
 {
-   return "Tungsten Graphics, Inc.";
+   return pipe->screen->get_vendor(pipe->screen);
 }
 
 
@@ -174,7 +128,8 @@ cell_draw_create(struct cell_context *cell)
 
 
 struct pipe_context *
-cell_create_context(struct pipe_winsys *winsys, struct cell_winsys *cws)
+cell_create_context(struct pipe_screen *screen,
+                    struct cell_winsys *cws)
 {
    struct cell_context *cell;
    uint spu, buf;
@@ -187,7 +142,8 @@ cell_create_context(struct pipe_winsys *winsys, struct cell_winsys *cws)
    memset(cell, 0, sizeof(*cell));
 
    cell->winsys = cws;
-   cell->pipe.winsys = winsys;
+   cell->pipe.winsys = screen->winsys;
+   cell->pipe.screen = screen;
    cell->pipe.destroy = cell_destroy_context;
 
    /* queries */
diff --git a/src/gallium/drivers/cell/ppu/cell_context.h b/src/gallium/drivers/cell/ppu/cell_context.h
index 1433a4925fa..bf27289f3f5 100644
--- a/src/gallium/drivers/cell/ppu/cell_context.h
+++ b/src/gallium/drivers/cell/ppu/cell_context.h
@@ -128,7 +128,7 @@ cell_context(struct pipe_context *pipe)
 
 
 extern struct pipe_context *
-cell_create_context(struct pipe_winsys *ws, struct cell_winsys *cws);
+cell_create_context(struct pipe_screen *screen, struct cell_winsys *cws);
 
 extern void
 cell_vertex_shader_queue_flush(struct draw_context *draw);
diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c
new file mode 100644
index 00000000000..75255c0466a
--- /dev/null
+++ b/src/gallium/drivers/cell/ppu/cell_screen.c
@@ -0,0 +1,147 @@
+/**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+
+#include "pipe/p_util.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+
+#include "cell_screen.h"
+#include "cell_texture.h"
+#include "cell_winsys.h"
+
+
+static const char *
+cell_get_vendor(struct pipe_screen *screen)
+{
+   return "Tungsten Graphics, Inc.";
+}
+
+
+static const char *
+cell_get_name(struct pipe_screen *screen)
+{
+   return "Cell";
+}
+
+
+static int
+cell_get_param(struct pipe_screen *screen, int param)
+{
+   switch (param) {
+   case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+      return 8;
+   case PIPE_CAP_NPOT_TEXTURES:
+      return 1;
+   case PIPE_CAP_TWO_SIDED_STENCIL:
+      return 1;
+   case PIPE_CAP_GLSL:
+      return 1;
+   case PIPE_CAP_S3TC:
+      return 0;
+   case PIPE_CAP_ANISOTROPIC_FILTER:
+      return 0;
+   case PIPE_CAP_POINT_SPRITE:
+      return 1;
+   case PIPE_CAP_MAX_RENDER_TARGETS:
+      return 1;
+   case PIPE_CAP_OCCLUSION_QUERY:
+      return 1;
+   case PIPE_CAP_TEXTURE_SHADOW_MAP:
+      return 1;
+   case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+      return 12; /* max 2Kx2K */
+   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+      return 8;  /* max 128x128x128 */
+   case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
+      return 12; /* max 2Kx2K */
+   default:
+      return 0;
+   }
+}
+
+
+static float
+cell_get_paramf(struct pipe_screen *screen, int param)
+{
+   switch (param) {
+   case PIPE_CAP_MAX_LINE_WIDTH:
+      /* fall-through */
+   case PIPE_CAP_MAX_LINE_WIDTH_AA:
+      return 255.0; /* arbitrary */
+
+   case PIPE_CAP_MAX_POINT_WIDTH:
+      /* fall-through */
+   case PIPE_CAP_MAX_POINT_WIDTH_AA:
+      return 255.0; /* arbitrary */
+
+   case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+      return 0.0;
+
+   case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+      return 16.0; /* arbitrary */
+
+   default:
+      return 0;
+   }
+}
+
+
+static void
+cell_destroy_screen( struct pipe_screen *screen )
+{
+   FREE(screen);
+}
+
+
+/**
+ * Create a new pipe_screen object
+ * Note: we're not presently subclassing pipe_screen (no cell_screen) but
+ * that would be the place to put SPU thread/context info...
+ */
+struct pipe_screen *
+cell_create_screen(struct pipe_winsys *winsys)
+{
+   struct pipe_screen *screen = CALLOC_STRUCT(pipe_screen);
+
+   if (!screen)
+      return NULL;
+
+   screen->winsys = winsys;
+
+   screen->destroy = cell_destroy_screen;
+
+   screen->get_name = cell_get_name;
+   screen->get_vendor = cell_get_vendor;
+   screen->get_param = cell_get_param;
+   screen->get_paramf = cell_get_paramf;
+
+   cell_init_screen_texture_funcs(screen);
+
+   return screen;
+}
diff --git a/src/gallium/drivers/cell/ppu/cell_screen.h b/src/gallium/drivers/cell/ppu/cell_screen.h
new file mode 100644
index 00000000000..c7e15889d66
--- /dev/null
+++ b/src/gallium/drivers/cell/ppu/cell_screen.h
@@ -0,0 +1,41 @@
+/**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+
+#ifndef CELL_SCREEN_H
+#define CELL_SCREEN_H
+
+
+struct pipe_screen;
+struct pipe_winsys;
+
+
+extern struct pipe_screen *
+cell_create_screen(struct pipe_winsys *winsys);
+
+
+#endif /* CELL_SCREEN_H */
diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c
index 0edefa5f056..e6398a85fa5 100644
--- a/src/gallium/drivers/cell/ppu/cell_texture.c
+++ b/src/gallium/drivers/cell/ppu/cell_texture.c
@@ -83,18 +83,29 @@ static struct pipe_texture *
 cell_texture_create(struct pipe_context *pipe,
                     const struct pipe_texture *templat)
 {
+   return pipe->screen->texture_create(pipe->screen, templat);
+
+}
+
+static struct pipe_texture *
+cell_texture_create_screen(struct pipe_screen *screen,
+                           const struct pipe_texture *templat)
+{
+   struct pipe_winsys *ws = screen->winsys;
    struct cell_texture *spt = CALLOC_STRUCT(cell_texture);
    if (!spt)
       return NULL;
 
    spt->base = *templat;
    spt->base.refcount = 1;
+   spt->base.pipe = NULL;
+   spt->base.screen = screen;
 
    cell_texture_layout(spt);
 
-   spt->buffer = pipe->winsys->buffer_create(pipe->winsys, 32,
-                                             PIPE_BUFFER_USAGE_PIXEL,
-                                             spt->buffer_size);
+   spt->buffer = ws->buffer_create(ws, 32,
+                                   PIPE_BUFFER_USAGE_PIXEL,
+                                   spt->buffer_size);
 
    if (!spt->buffer) {
       FREE(spt);
@@ -108,6 +119,14 @@ cell_texture_create(struct pipe_context *pipe,
 static void
 cell_texture_release(struct pipe_context *pipe, struct pipe_texture **pt)
 {
+   return pipe->screen->texture_release(pipe->screen, pt);
+}
+
+
+static void
+cell_texture_release_screen(struct pipe_screen *screen,
+                            struct pipe_texture **pt)
+{
    if (!*pt)
       return;
 
@@ -122,7 +141,7 @@ cell_texture_release(struct pipe_context *pipe, struct pipe_texture **pt)
       DBG("%s deleting %p\n", __FUNCTION__, (void *) spt);
       */
 
-      pipe_buffer_reference(pipe->winsys, &spt->buffer, NULL);
+      pipe_buffer_reference(screen->winsys, &spt->buffer, NULL);
 
       FREE(spt);
    }
@@ -146,14 +165,24 @@ cell_get_tex_surface(struct pipe_context *pipe,
                          struct pipe_texture *pt,
                          unsigned face, unsigned level, unsigned zslice)
 {
+   return pipe->screen->get_tex_surface(pipe->screen, pt, face, level, zslice);
+}
+
+
+static struct pipe_surface *
+cell_get_tex_surface_screen(struct pipe_screen *screen,
+                            struct pipe_texture *pt,
+                            unsigned face, unsigned level, unsigned zslice)
+{
+   struct pipe_winsys *ws = screen->winsys;
    struct cell_texture *spt = cell_texture(pt);
    struct pipe_surface *ps;
 
-   ps = pipe->winsys->surface_alloc(pipe->winsys);
+   ps = ws->surface_alloc(ws);
    if (ps) {
       assert(ps->refcount);
       assert(ps->winsys);
-      pipe_buffer_reference(pipe->winsys, &ps->buffer, spt->buffer);
+      pipe_buffer_reference(ws, &ps->buffer, spt->buffer);
       ps->format = pt->format;
       ps->cpp = pt->cpp;
       ps->width = pt->width[level];
@@ -270,3 +299,11 @@ cell_init_texture_functions(struct cell_context *cell)
    cell->pipe.texture_update = cell_texture_update;
    cell->pipe.get_tex_surface = cell_get_tex_surface;
 }
+
+void
+cell_init_screen_texture_funcs(struct pipe_screen *screen)
+{
+   screen->texture_create = cell_texture_create_screen;
+   screen->texture_release = cell_texture_release_screen;
+   screen->get_tex_surface = cell_get_tex_surface_screen;
+}
diff --git a/src/gallium/drivers/cell/ppu/cell_texture.h b/src/gallium/drivers/cell/ppu/cell_texture.h
index 824fb3e20fc..fcee069d055 100644
--- a/src/gallium/drivers/cell/ppu/cell_texture.h
+++ b/src/gallium/drivers/cell/ppu/cell_texture.h
@@ -68,4 +68,8 @@ extern void
 cell_init_texture_functions(struct cell_context *cell);
 
 
+extern void
+cell_init_screen_texture_funcs(struct pipe_screen *screen);
+
+
 #endif /* CELL_TEXTURE_H */