r300: Add texture stubs.

src/gallium/drivers/r300/Makefile

@@ -11,7 +11,8 @@ C_SOURCES = \
 	r300_emit.c \
 	r300_screen.c \
 	r300_state.c \
-	r300_surface.c
+	r300_surface.c \
+	r300_texture.c
 
 include ../../Makefile.template
 

src/gallium/drivers/r300/r300_screen.c

@@ -113,12 +113,33 @@ static float r300_get_paramf(struct pipe_screen* pscreen, int param)
     }
 }
 
+/* XXX moar formats */
+static boolean check_tex_2d_format(enum pipe_format format)
+{
+    switch (format) {
+        case PIPE_FORMAT_I8_UNORM:
+            return TRUE;
+        default:
+            break;
+    }
+
+    return FALSE;
+}
+
+/* XXX moar targets */
 static boolean r300_is_format_supported(struct pipe_screen* pscreen,
                                         enum pipe_format format,
                                         enum pipe_texture_target target,
                                         unsigned tex_usage,
                                         unsigned geom_flags)
 {
+    switch (target) {
+        case PIPE_TEXTURE_2D:
+            return check_tex_2d_format(format);
+        default:
+            break;
+    }
+
     return FALSE;
 }
 
@@ -174,5 +195,7 @@ struct pipe_screen* r300_create_screen(struct pipe_winsys* winsys,
     r300screen->screen.surface_map = r300_surface_map;
     r300screen->screen.surface_unmap = r300_surface_unmap;
 
+    r300_init_screen_texture_functions(&r300screen->screen);
+
     return &r300screen->screen;
 }

src/gallium/drivers/r300/r300_screen.h

@@ -28,6 +28,7 @@
 #include "util/u_memory.h"
 
 #include "r300_chipset.h"
+#include "r300_texture.h"
 #include "r300_winsys.h"
 
 struct r300_screen {

src/gallium/drivers/r300/r300_texture.c

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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 "r300_texture.h"
+
+/* Create a new texture. */
+static struct pipe_texture*
+    r300_texture_create(struct pipe_screen* screen,
+                        const struct pipe_texture* template)
+{
+}
+
+void r300_init_screen_texture_functions(struct pipe_screen* screen)
+{
+    screen->texture_create = r300_texture_create;
+}

src/gallium/drivers/r300/r300_texture.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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 R300_TEXTURE_H
+#define R300_TEXTURE_H
+
+#include "pipe/p_screen.h"
+
+struct r300_texture {
+};
+
+void r300_init_screen_texture_functions(struct pipe_screen* screen);
+
+#endif /* R300_TEXTURE_H */