Besides depth/stencil, the hardware doesn't support
mixed formats.

The GL state tracker doesn't make use of them.

Signed-off-by: Axel Davy <[email protected]>
---
 src/gallium/drivers/radeonsi/si_state.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_state.c 
b/src/gallium/drivers/radeonsi/si_state.c
index 10d691a..c79b985 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1374,6 +1374,11 @@ static uint32_t si_translate_colorformat(enum 
pipe_format format)
        if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
                return V_028C70_COLOR_INVALID;
 
+       /* hw cannot support mixed formats (except depth/stencil, since
+        * stencil is not written to). */
+       if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
+               return V_028C70_COLOR_INVALID;
+
        switch (desc->nr_channels) {
        case 1:
                switch (desc->channel[0].size) {
@@ -1652,6 +1657,11 @@ static uint32_t si_translate_texformat(struct 
pipe_screen *screen,
 
        /* R8G8Bx_SNORM - TODO CxV8U8 */
 
+       /* hw cannot support mixed formats (except depth/stencil, since only
+        * depth is read).*/
+       if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
+               goto out_unknown;
+
        /* See whether the components are of the same size. */
        for (i = 1; i < desc->nr_channels; i++) {
                uniform = uniform && desc->channel[0].size == 
desc->channel[i].size;
-- 
2.7.3

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