gallium-r300: Add r300_surface.

Todo:
- Hook up surface functions.
- Take it for a spin and watch it crash 'n' burn.

1 files changed, 53 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_surface.c b/src/gallium/drivers/r300/r300_surface.c
new file mode 100644
index 00000000000..4aa469b97ed
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_surface.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2008 Corbin Simpson <[email protected]>
+ *
+ * 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_surface.h"
+
+/* Provides pipe_context's "surface_fill". */
+static void r300_surface_fill(struct pipe_context* context,
+                              struct pipe_surface* dest,
+                              unsigned x, unsigned y,
+                              unsigned w, unsigned h,
+                              unsigned color)
+{
+    /* Try accelerated fill first. */
+    if (!r300_fill_blit(r300_context(context),
+                        dest->block.size,
+                        (short)dest->stride,
+                        dest->buffer,
+                        dest->offset,
+                        (short)x, (short)y,
+                        (short)w, (short)h,
+                        color))
+    {
+        /* Fallback. */
+        void* dest_map = context->screen->surface_map(context->screen, dest,
+                                                      PIPE_BUFFER_USAGE_CPU_WRITE);
+        pipe_fill_rect(dest_map, &dest->block, dest->stride, x, y, w, h, color);
+        context->screen->surface_unmap(context->screen, dest);
+    }
+}
+
+void r300_init_surface_functions(struct r300_context* r300)
+{
+    r300->context.surface_fill = r300_surface_fill;
+}