From 02a89dc163898b02b7ad2867359c1ee7a7574c1f Mon Sep 17 00:00:00 2001 From: Axel Davy Date: Sat, 10 Jan 2015 15:11:30 +0100 Subject: [PATCH] st/nine: Implement fallback for D3DFMT_D24S8, D3DFMT_D24X8 and D3DFMT_INTZ Some drivers support PIPE_FORMAT_S8_UINT_Z24_UNORM, some others PIPE_FORMAT_Z24_UNORM_S8_UINT, some both. It doesn't matter which one we use, since the d3d formats they map to aren't lockable (app can read it directly). Reviewed-by: Tiziano Bacocco Signed-off-by: Axel Davy --- src/gallium/state_trackers/nine/nine_pipe.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/src/gallium/state_trackers/nine/nine_pipe.h b/src/gallium/state_trackers/nine/nine_pipe.h index 405ca1dfe8a..6e4ee43f5a5 100644 --- a/src/gallium/state_trackers/nine/nine_pipe.h +++ b/src/gallium/state_trackers/nine/nine_pipe.h @@ -181,7 +181,7 @@ d3d9_to_pipe_format_internal(D3DFORMAT format) if (format <= D3DFMT_A2B10G10R10_XR_BIAS) return nine_d3d9_to_pipe_format_map[format]; switch (format) { - case D3DFMT_INTZ: return PIPE_FORMAT_Z24_UNORM_S8_UINT; + case D3DFMT_INTZ: return PIPE_FORMAT_S8_UINT_Z24_UNORM; case D3DFMT_DXT1: return PIPE_FORMAT_DXT1_RGBA; case D3DFMT_DXT2: return PIPE_FORMAT_DXT3_RGBA; /* XXX */ case D3DFMT_DXT3: return PIPE_FORMAT_DXT3_RGBA; @@ -234,6 +234,25 @@ d3d9_to_pipe_format_checked(struct pipe_screen *screen, if (format_check_internal(result)) return result; + + /* fallback to another format for formats + * that match several pipe_format */ + switch(format) { + /* depth buffer formats are not lockable (except those for which it + * is precised in the name), so it is ok to match to another similar + * format. In all cases, if the app reads the texture with a shader, + * it gets depth on r and doesn't get stencil.*/ + case D3DFMT_INTZ: + case D3DFMT_D24S8: + if (format_check_internal(PIPE_FORMAT_Z24_UNORM_S8_UINT)) + return PIPE_FORMAT_Z24_UNORM_S8_UINT; + break; + case D3DFMT_D24X8: + if (format_check_internal(PIPE_FORMAT_Z24X8_UNORM)) + return PIPE_FORMAT_Z24X8_UNORM; + default: + break; + } return PIPE_FORMAT_NONE; } -- 2.30.2