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st/mesa: try PIPE_BIND_RENDER_TARGET when choosing float texture formats

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For 8-bit RGB(A) texture formats we set the PIPE_BIND_RENDER_TARGET flag
to try to get a hardware format which also supports rendering (for FBO
textures).  Do the same thing for floating point formats.

This allows the Redway3D Flat demo to run.

Cc: 10.6 11.0 <mesa-stable@lists.freedesktop.org>

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Brian Paul 2015-09-24 09:36:44 -06:00
parent daf23bd4cb
commit cb758b892a
1 changed files with 5 additions and 1 deletions
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6
src/mesa/state_tracker/st_format.c
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@ -1963,7 +1963,11 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
else if (internalFormat == 3 || internalFormat == 4 ||
internalFormat == GL_RGB || internalFormat == GL_RGBA ||
internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
internalFormat == GL_BGRA)
internalFormat == GL_BGRA ||
internalFormat == GL_RGB16F ||
internalFormat == GL_RGBA16F ||
internalFormat == GL_RGB32F ||
internalFormat == GL_RGBA32F)
bindings |= PIPE_BIND_RENDER_TARGET;
/* GLES allows the driver to choose any format which matches