Mesa (master): r300g: refuse to create too large textures

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 8ad9d42b338c6684930b7898734f9070b6368172
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8ad9d42b338c6684930b7898734f9070b6368172

Author: Marek Olšák <maraeo at gmail.com>
Date:   Sat Dec  1 22:40:00 2012 +0100

r300g: refuse to create too large textures

---

 src/gallium/drivers/r300/r300_texture.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index 33333ca..c16bb03 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -980,6 +980,21 @@ r300_texture_create_object(struct r300_screen *rscreen,
 
     r300_texture_desc_init(rscreen, tex, base);
 
+    /* Figure out the ideal placement for the texture.. */
+    if (tex->domain & RADEON_DOMAIN_VRAM &&
+        tex->tex.size_in_bytes >= rscreen->info.vram_size) {
+        tex->domain &= ~RADEON_DOMAIN_VRAM;
+        tex->domain |= RADEON_DOMAIN_GTT;
+    }
+    if (tex->domain & RADEON_DOMAIN_GTT &&
+        tex->tex.size_in_bytes >= rscreen->info.gart_size) {
+        tex->domain &= ~RADEON_DOMAIN_GTT;
+    }
+    /* Just fail if the texture is too large. */
+    if (!tex->domain) {
+        goto fail;
+    }
+
     /* Create the backing buffer if needed. */
     if (!tex->buf) {
         tex->buf = rws->buffer_create(rws, tex->tex.size_in_bytes, 2048,