diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_pixel.c')
-rw-r--r-- | src/mesa/drivers/dri/i915/intel_pixel.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_pixel.c b/src/mesa/drivers/dri/i915/intel_pixel.c index 535cbfcb26..c3030d42b0 100644 --- a/src/mesa/drivers/dri/i915/intel_pixel.c +++ b/src/mesa/drivers/dri/i915/intel_pixel.c @@ -439,10 +439,32 @@ intelDrawPixels( GLcontext *ctx, if (INTEL_DEBUG & DEBUG_PIXEL) fprintf(stderr, "%s\n", __FUNCTION__); - if (!intelTryDrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels )) + if (intelTryDrawPixels( ctx, x, y, width, height, format, type, + unpack, pixels )) + return; + + if (ctx->FragmentProgram._Current == ctx->FragmentProgram._TexEnvProgram) { + /* + * We don't want the i915 texenv program to be applied to DrawPixels. + * This is really just a performance optimization (mesa will other- + * wise happily run the fragment program on each pixel in the image). + */ + struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current; + /* can't just set current frag prog to 0 here as on buffer resize + we'll get new state checks which will segfault. Remains a hack. */ + ctx->FragmentProgram._Current = NULL; + ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE; + ctx->FragmentProgram._Active = GL_FALSE; + _swrast_DrawPixels( ctx, x, y, width, height, format, type, + unpack, pixels ); + ctx->FragmentProgram._Current = fpSave; + ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE; + ctx->FragmentProgram._Active = GL_TRUE; + } + else { _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); + unpack, pixels ); + } } |