i965: Move brw_fs_precompile() to brw_wm.c

All other precompile functions live in the brw_<stage>.c files, make fs
follow the convention.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Signed-off-by: Kristian Høgsberg Kristensen <krh@bitplanet.net>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index 6ee9284..8dfa142 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -26,6 +26,7 @@
 #include "brw_context.h"
 #include "brw_wm.h"
 #include "brw_state.h"
+#include "brw_shader.h"
 #include "main/enums.h"
 #include "main/formats.h"
 #include "main/fbobject.h"
@@ -642,3 +643,61 @@ brw_upload_wm_prog(struct brw_context *brw)
    }
    brw->wm.base.prog_data = &brw->wm.prog_data->base;
 }
+
+bool
+brw_fs_precompile(struct gl_context *ctx,
+                  struct gl_shader_program *shader_prog,
+                  struct gl_program *prog)
+{
+   struct brw_context *brw = brw_context(ctx);
+   struct brw_wm_prog_key key;
+
+   struct gl_fragment_program *fp = (struct gl_fragment_program *) prog;
+   struct brw_fragment_program *bfp = brw_fragment_program(fp);
+   bool program_uses_dfdy = fp->UsesDFdy;
+
+   memset(&key, 0, sizeof(key));
+
+   if (brw->gen < 6) {
+      if (fp->UsesKill)
+         key.iz_lookup |= IZ_PS_KILL_ALPHATEST_BIT;
+
+      if (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
+         key.iz_lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
+
+      /* Just assume depth testing. */
+      key.iz_lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
+      key.iz_lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
+   }
+
+   if (brw->gen < 6 || _mesa_bitcount_64(fp->Base.InputsRead &
+                                         BRW_FS_VARYING_INPUT_MASK) > 16)
+      key.input_slots_valid = fp->Base.InputsRead | VARYING_BIT_POS;
+
+   brw_setup_tex_for_precompile(brw, &key.tex, &fp->Base);
+
+   if (fp->Base.InputsRead & VARYING_BIT_POS) {
+      key.drawable_height = ctx->DrawBuffer->Height;
+   }
+
+   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;
+   }
+
+   key.program_string_id = bfp->id;
+
+   uint32_t old_prog_offset = brw->wm.base.prog_offset;
+   struct brw_wm_prog_data *old_prog_data = brw->wm.prog_data;
+
+   bool success = brw_codegen_wm_prog(brw, shader_prog, bfp, &key);
+
+   brw->wm.base.prog_offset = old_prog_offset;
+   brw->wm.prog_data = old_prog_data;
+
+   return success;
+}