st/mesa: implement GL_ATI_fragment_shader

v2: fix arithmetic for special opcodes,
 fix fog state, cleanup
v3: simplify handling of special opcodes,
 fix rebinding with different textargets or fog equation,
 lots of formatting fixes
v4: adapt to the compile early, fix later architecture,
 formatting fixes

Signed-off-by: Miklós Máté <[email protected]>
Signed-off-by: Marek Olšák <[email protected]>

1 files changed, 67 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_atifs_to_tgsi.h b/src/mesa/state_tracker/st_atifs_to_tgsi.h
new file mode 100644
index 00000000000..c1b6758ba02
--- /dev/null
+++ b/src/mesa/state_tracker/st_atifs_to_tgsi.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2016 Miklós Máté
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef ST_ATIFS_TO_TGSI_H
+#define ST_ATIFS_TO_TGSI_H
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+#include "main/glheader.h"
+#include "pipe/p_defines.h"
+
+struct gl_context;
+struct gl_program;
+struct ureg_program;
+struct tgsi_token;
+struct ati_fragment_shader;
+struct st_fp_variant_key;
+
+enum pipe_error
+st_translate_atifs_program(
+    struct ureg_program *ureg,
+    struct ati_fragment_shader *atifs,
+    struct gl_program *program,
+    GLuint numInputs,
+    const GLuint inputMapping[],
+    const ubyte inputSemanticName[],
+    const ubyte inputSemanticIndex[],
+    const GLuint interpMode[],
+    GLuint numOutputs,
+    const GLuint outputMapping[],
+    const ubyte outputSemanticName[],
+    const ubyte outputSemanticIndex[]);
+
+
+void
+st_init_atifs_prog(struct gl_context *ctx, struct gl_program *prog);
+
+const struct tgsi_token *
+st_fixup_atifs(const struct tgsi_token *tokens,
+               const struct st_fp_variant_key *key);
+
+#if defined __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* ST_ATIFS_TO_TGSI_H */