diff options
| -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. |