1 files changed, 120 insertions, 0 deletions
diff --git a/src/gallium/drivers/etnaviv/etnaviv_compiler.h b/src/gallium/drivers/etnaviv/etnaviv_compiler.h
new file mode 100644
index 00000000000..d3101096f98
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+++ b/src/gallium/drivers/etnaviv/etnaviv_compiler.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2012-2015 Etnaviv Project
+ *
+ * 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, sub license,
+ * 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT. 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.
+ *
+ * Authors:
+ *    Wladimir J. van der Laan <laanwj@gmail.com>
+ */
+
+#ifndef H_ETNAVIV_COMPILER
+#define H_ETNAVIV_COMPILER
+
+#include "etnaviv_context.h"
+#include "etnaviv_internal.h"
+#include "pipe/p_compiler.h"
+#include "pipe/p_shader_tokens.h"
+
+/* XXX some of these are pretty arbitrary limits, may be better to switch
+ * to dynamic allocation at some point.
+ */
+#define ETNA_MAX_TEMPS (64) /* max temp register count of all Vivante hw */
+#define ETNA_MAX_TOKENS (2048)
+#define ETNA_MAX_IMM (1024) /* max const+imm in 32-bit words */
+#define ETNA_MAX_DECL (2048) /* max declarations */
+#define ETNA_MAX_DEPTH (32)
+#define ETNA_MAX_INSTRUCTIONS (2048)
+
+/* compiler output per input/output */
+struct etna_shader_inout {
+   int reg; /* native register */
+   struct tgsi_declaration_semantic semantic; /* tgsi semantic name and index */
+   int num_components;
+};
+
+struct etna_shader_io_file {
+   size_t num_reg;
+   struct etna_shader_inout reg[ETNA_NUM_INPUTS];
+};
+
+/* shader object, for linking */
+struct etna_shader {
+   uint processor; /* TGSI_PROCESSOR_... */
+   uint32_t code_size; /* code size in uint32 words */
+   uint32_t *code;
+   unsigned num_temps;
+
+   struct etna_shader_uniform_info uniforms;
+
+   /* ETNA_DIRTY_* flags that, when set in context dirty, mean that the
+    * uniforms have to get (partial) reloaded. */
+   uint32_t uniforms_dirty_bits;
+
+   /* inputs (for linking) for fs, the inputs must be in register 1..N */
+   struct etna_shader_io_file infile;
+
+   /* outputs (for linking) */
+   struct etna_shader_io_file outfile;
+
+   /* index into outputs (for linking) */
+   int output_count_per_semantic[TGSI_SEMANTIC_COUNT];
+   struct etna_shader_inout * *output_per_semantic_list; /* list of pointers to outputs */
+   struct etna_shader_inout **output_per_semantic[TGSI_SEMANTIC_COUNT];
+
+   /* special outputs (vs only) */
+   int vs_pos_out_reg; /* VS position output */
+   int vs_pointsize_out_reg; /* VS point size output */
+   uint32_t vs_load_balancing;
+
+   /* special outputs (ps only) */
+   int ps_color_out_reg; /* color output register */
+   int ps_depth_out_reg; /* depth output register */
+
+   /* unknown input property (XX_INPUT_COUNT, field UNK8) */
+   uint32_t input_count_unk8;
+};
+
+struct etna_varying {
+   uint32_t pa_attributes;
+   uint8_t num_components;
+   uint8_t use[4];
+   uint8_t reg;
+};
+
+struct etna_shader_link_info {
+   /* each PS input is annotated with the VS output reg */
+   unsigned num_varyings;
+   struct etna_varying varyings[ETNA_NUM_INPUTS];
+};
+
+struct etna_shader *
+etna_compile_shader(const struct etna_specs *specs, const struct tgsi_token *tokens);
+
+void
+etna_dump_shader(const struct etna_shader *shader);
+
+bool
+etna_link_shader(struct etna_shader_link_info *info,
+                 const struct etna_shader *vs, const struct etna_shader *fs);
+
+void
+etna_destroy_shader(struct etna_shader *shader);
+
+#endif