Am 31.05.2013 23:43, schrieb srol...@vmware.com: > From: Roland Scheidegger <srol...@vmware.com> > > Since pipe_surface already has all the necessary fields no interface > changes are necessary except adding a new shader semantic value > (TGSI_SEMANTIC_LAYER), though add a pipe capability bit for it as well. > (Note that what GL knows as "gl_Layer" variable d3d10 is naming > "RENDER_TARGET_ARRAY_INDEX") > --- > src/gallium/docs/source/screen.rst | 2 ++ > src/gallium/include/pipe/p_defines.h | 3 ++- > src/gallium/include/pipe/p_shader_tokens.h | 3 ++- > 3 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/src/gallium/docs/source/screen.rst > b/src/gallium/docs/source/screen.rst > index 683080c..b74b237 100644 > --- a/src/gallium/docs/source/screen.rst > +++ b/src/gallium/docs/source/screen.rst > @@ -168,6 +168,8 @@ The integer capabilities: > since they are linked) a driver can support. Returning 0 is equivalent > to returning 1 because every driver has to support at least a single > viewport/scissor combination. > +* ``PIPE_CAP_LAYERED_RENDERING``: Whether rendering to multiple layers is > + supported using layer selection by the TGSI_SEMANTIC_LAYER shader variable. > > > .. _pipe_capf: > diff --git a/src/gallium/include/pipe/p_defines.h > b/src/gallium/include/pipe/p_defines.h > index 8af1a84..c359a9e 100644 > --- a/src/gallium/include/pipe/p_defines.h > +++ b/src/gallium/include/pipe/p_defines.h > @@ -508,7 +508,8 @@ enum pipe_cap { > PIPE_CAP_QUERY_PIPELINE_STATISTICS = 81, > PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK = 82, > PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE = 83, > - PIPE_CAP_MAX_VIEWPORTS = 84 > + PIPE_CAP_MAX_VIEWPORTS = 84, > + PIPE_CAP_MULTIPLE_LAYERS = 85 > }; Actually I don't think is a good name, PIPE_CAP_LAYERED_RENDERING might be better? I'm open to just about any suggestion though :-).
Roland > > #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0) > diff --git a/src/gallium/include/pipe/p_shader_tokens.h > b/src/gallium/include/pipe/p_shader_tokens.h > index b33cf1d..c984d50 100644 > --- a/src/gallium/include/pipe/p_shader_tokens.h > +++ b/src/gallium/include/pipe/p_shader_tokens.h > @@ -165,7 +165,8 @@ struct tgsi_declaration_interp > #define TGSI_SEMANTIC_TEXCOORD 19 /**< texture or sprite coordinates */ > #define TGSI_SEMANTIC_PCOORD 20 /**< point sprite coordinate */ > #define TGSI_SEMANTIC_VIEWPORT_INDEX 21 /**< viewport index */ > -#define TGSI_SEMANTIC_COUNT 22 /**< number of semantic values */ > +#define TGSI_SEMANTIC_LAYER 22 /**< layer (rendertarget index) */ > +#define TGSI_SEMANTIC_COUNT 23 /**< number of semantic values */ > > struct tgsi_declaration_semantic > { > _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev