diff options
| -rw-r--r-- | src/gallium/drivers/i915/i915_fpc_translate.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/gallium/drivers/i915/i915_fpc_translate.c b/src/gallium/drivers/i915/i915_fpc_translate.c index 9e20010c4a1..cd8219e1121 100644 --- a/src/gallium/drivers/i915/i915_fpc_translate.c +++ b/src/gallium/drivers/i915/i915_fpc_translate.c @@ -1174,15 +1174,27 @@ void i915_translate_fragment_program( struct i915_context *i915, struct i915_fragment_shader *fs) { - struct i915_fp_compile *p = i915_init_compile(i915, fs); + struct i915_fp_compile *p; const struct tgsi_token *tokens = fs->state.tokens; - - i915_find_wpos_space(p); + struct tgsi_shader_info info; #if 0 tgsi_dump(tokens, 0); #endif + tgsi_scan_shader(tokens, &info); + + /* hw doesn't seem to like empty frag programs, even when the depth write + * fixup gets emitted below - may that one is fishy, too? */ + if (info.num_instructions == 1) { + i915_use_passthrough_shader(fs); + + return; + } + + p = i915_init_compile(i915, fs); + i915_find_wpos_space(p); + i915_translate_instructions(p, tokens); i915_fixup_depth_write(p); |