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st/mesa: improve the format choosing code for DrawPixels

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The code before was getting a pipe format, then calling
st_pipe_format_to_mesa_format() and then converting back again with
st_mesa_format_to_pipe_format().  This removes one conversion step.
This commit is contained in:
Brian Paul
2013-02-01 11:38:28 -07:00
parent 38d65a9769
commit f54a9f4ff2
1 changed files with 8 additions and 6 deletions
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14
src/mesa/state_tracker/st_cb_drawpixels.c
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@@ -489,12 +489,14 @@ make_texture(struct st_context *st,
intFormat = internal_format(ctx, format, type);
baseInternalFormat = _mesa_base_tex_format(ctx, intFormat);
mformat = st_ChooseTextureFormat_renderable(ctx, intFormat,
format, type, GL_FALSE);
assert(mformat);
pipeFormat = st_mesa_format_to_pipe_format(mformat);
assert(pipeFormat);
/* Choose a pixel format for the temp texture which will hold the
* image to draw.
*/
pipeFormat = st_choose_format(pipe->screen, intFormat, format, type,
PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
FALSE);
assert(pipeFormat != PIPE_FORMAT_NONE);
mformat = st_pipe_format_to_mesa_format(pipeFormat);
pixels = _mesa_map_pbo_source(ctx, unpack, pixels);
if (!pixels)