diff options
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_screen.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c index 0c87f6902cf..e74f2d2f127 100644 --- a/src/gallium/drivers/softpipe/sp_screen.c +++ b/src/gallium/drivers/softpipe/sp_screen.c @@ -396,6 +396,24 @@ softpipe_is_format_supported( struct pipe_screen *screen, return FALSE; } + if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) && + ((bind & PIPE_BIND_DISPLAY_TARGET) == 0) && + target != PIPE_BUFFER) { + const struct util_format_description *desc = + util_format_description(format); + if (desc->nr_channels == 3 && desc->is_array) { + /* Don't support any 3-component formats for rendering/texturing + * since we don't support the corresponding 8-bit 3 channel UNORM + * formats. This allows us to support GL_ARB_copy_image between + * GL_RGB8 and GL_RGB8UI, for example. Otherwise, we may be asked to + * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and + * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work + * (different bpp). + */ + return FALSE; + } + } + if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC && format != PIPE_FORMAT_ETC1_RGB8) return FALSE; |