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Diffstat (limited to 'src/gallium/drivers/r600/evergreen_state.c')
-rw-r--r--src/gallium/drivers/r600/evergreen_state.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 83ab0df9c16..4821259e4e5 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -648,6 +648,7 @@ static void evergreen_cb(struct r600_pipe_context *rctx, struct r600_pipe_state
unsigned tile_type;
const struct util_format_description *desc;
struct r600_bo *bo[3];
+ int i;
surf = (struct r600_surface *)state->cbufs[cb];
rtex = (struct r600_resource_texture*)state->cbufs[cb]->texture;
@@ -679,8 +680,19 @@ static void evergreen_cb(struct r600_pipe_context *rctx, struct r600_pipe_state
S_028C70_ARRAY_MODE(rtex->array_mode[level]) |
S_028C70_BLEND_CLAMP(1) |
S_028C70_NUMBER_TYPE(ntype);
- if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
- color_info |= S_028C70_SOURCE_FORMAT(1);
+
+ for (i = 0; i < 4; i++) {
+ if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+ break;
+ }
+ }
+
+ /* we can only set the export size if any thing is snorm/unorm component is > 11 bits,
+ if we aren't a float, sint or uint */
+ if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
+ desc->channel[i].size < 12 && desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
+ ntype != 4 && ntype != 5)
+ color_info |= S_028C70_SOURCE_FORMAT(V_028C70_EXPORT_4C_16BPC);
if (rtex->tiled) {
tile_type = rtex->tile_type;