diff options
| author | Chris Forbes <[email protected]> | 2014-01-26 11:04:42 +1300 |
|---|---|---|
| committer | Chris Forbes <[email protected]> | 2014-02-06 10:58:52 +1300 |
| commit | 5eeb12c0bcd3d25fee9749d797f8541a96935192 (patch) | |
| tree | ee5907e27637895315949009594db06f2042c1fe /src | |
| parent | 046f8d8a6fcae641ed0e7e06e24ab5da39a57c86 (diff) | |
i965/fs: Assume FBO rendering in precompile if MRT.
If multiple color outputs are written, this shader is unlikely to be
useful with a winsys framebuffer.
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index c2fa06b38ab..53388224144 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -3586,14 +3586,15 @@ brw_fs_precompile(struct gl_context *ctx, struct gl_shader_program *prog) key.drawable_height = ctx->DrawBuffer->Height; } - if ((fp->Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) { - key.render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer); - } - key.nr_color_regions = _mesa_bitcount_64(fp->Base.OutputsWritten & ~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) | BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK))); + if ((fp->Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) { + key.render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer) || + key.nr_color_regions > 1; + } + /* GL_FRAGMENT_SHADER_DERIVATIVE_HINT is almost always GL_DONT_CARE. The * quality of the derivatives is likely to be determined by the driconf * option. |