From: Marek Olšák <maraeo@gmail.com>
Date: Thu, 1 Apr 2010 00:21:06 +0000 (+0200)
Subject: r300g: add RGBA16F colorbuffer support
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2ab737557258148d52d9b9e983e4b18560b7a460;p=mesa.git

r300g: add RGBA16F colorbuffer support

Disabled by default due to unresolved IP issues.
---

diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index d4a64092c70..e0dee44b548 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -33,6 +33,9 @@
 #include "r300_state_inlines.h"
 #include "r300_winsys.h"
 
+/* XXX Enable float textures here. */
+/*#define ENABLE_FLOAT_TEXTURES*/
+
 #define TILE_WIDTH 0
 #define TILE_HEIGHT 1
 
@@ -278,8 +281,7 @@ static uint32_t r300_translate_texformat(enum pipe_format format)
             }
             return ~0;
 
-/* XXX Enable float textures here. */
-#if 0
+#if defined(ENABLE_FLOAT_TEXTURES)
         case UTIL_FORMAT_TYPE_FLOAT:
             switch (desc->channel[0].size) {
                 case 16:
@@ -360,12 +362,13 @@ static uint32_t r300_translate_colorformat(enum pipe_format format)
         /* 64-bit buffers. */
         case PIPE_FORMAT_R16G16B16A16_UNORM:
         case PIPE_FORMAT_R16G16B16A16_SNORM:
-        //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */
+#if defined(ENABLE_FLOAT_TEXTURES)
+        case PIPE_FORMAT_R16G16B16A16_FLOAT:
+#endif
             return R300_COLOR_FORMAT_ARGB16161616;
 
-/* XXX Enable float textures here. */
-#if 0
         /* 128-bit buffers. */
+#if defined(ENABLE_FLOAT_TEXTURES)
         case PIPE_FORMAT_R32G32B32A32_FLOAT:
             return R300_COLOR_FORMAT_ARGB32323232;
 #endif