1 files changed, 345 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi_emit.h b/src/gallium/drivers/svga/svga_tgsi_emit.h
new file mode 100644
index 0000000000..2557824293
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_tgsi_emit.h
@@ -0,0 +1,345 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc.  All rights reserved.
+ *
+ * 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 SVGA_TGSI_EMIT_H
+#define SVGA_TGSI_EMIT_H
+
+#include "tgsi/tgsi_scan.h"
+#include "svga_hw_reg.h"
+#include "svga_tgsi.h"
+#include "svga3d_shaderdefs.h"
+
+struct src_register
+{
+   SVGA3dShaderSrcToken base;
+   SVGA3dShaderSrcToken indirect;
+};
+
+
+struct svga_arl_consts {
+   int number;
+   int idx;
+   int swizzle;
+   int arl_num;
+};
+
+/* Internal functions:
+ */
+
+struct svga_shader_emitter
+{
+   boolean use_sm30;
+   
+   unsigned size;
+   char *buf;
+   char *ptr;
+
+   union svga_compile_key key;
+   struct tgsi_shader_info info;
+   int unit;
+
+   int imm_start;
+
+   int nr_hw_const;
+   int nr_hw_temp;
+   
+   int insn_offset;
+
+   int internal_temp_count;
+   int internal_imm_count;
+
+   int internal_color_idx[2]; /* diffuse, specular */
+   int internal_color_count;
+
+   boolean emitted_vface;
+   boolean emit_frontface;
+   int internal_frontface_idx;
+
+   int ps30_input_count;
+
+   boolean in_main_func;
+
+   boolean created_zero_immediate;
+   int zero_immediate_idx;
+
+   boolean created_loop_const;
+   int loop_const_idx;
+
+   boolean created_sincos_consts;
+   int sincos_consts_idx;
+
+   unsigned label[32];
+   unsigned nr_labels;
+
+   struct src_register input_map[PIPE_MAX_ATTRIBS];
+   SVGA3dShaderDestToken output_map[PIPE_MAX_ATTRIBS];
+
+   struct src_register imm_0055;
+   SVGA3dShaderDestToken temp_pos;
+   SVGA3dShaderDestToken true_pos;
+
+   SVGA3dShaderDestToken temp_col[PIPE_MAX_COLOR_BUFS];
+   SVGA3dShaderDestToken true_col[PIPE_MAX_COLOR_BUFS];
+
+   SVGA3dShaderDestToken temp_psiz;
+   SVGA3dShaderDestToken true_psiz;
+
+   struct svga_arl_consts arl_consts[12];
+   int num_arl_consts;
+   int current_arl;
+};
+
+
+boolean svga_shader_emit_dword( struct svga_shader_emitter *emit,
+                                unsigned dword );
+
+boolean svga_shader_emit_dwords( struct svga_shader_emitter *emit,
+                                 const unsigned *dwords,
+                                 unsigned nr );
+
+boolean svga_shader_emit_opcode( struct svga_shader_emitter *emit,
+                                 unsigned opcode );
+
+boolean svga_shader_emit_instructions( struct svga_shader_emitter *emit,
+                                       const struct tgsi_token *tokens );
+
+boolean svga_translate_decl_sm20( struct svga_shader_emitter *emit,
+                               const struct tgsi_full_declaration *decl );
+
+boolean svga_translate_decl_sm30( struct svga_shader_emitter *emit,
+                               const struct tgsi_full_declaration *decl );
+
+
+static INLINE boolean emit_dst( struct svga_shader_emitter *emit,
+                         SVGA3dShaderDestToken dest )
+{
+   assert(dest.reserved0);
+   return svga_shader_emit_dword( emit, dest.value );
+}
+
+static INLINE boolean emit_src( struct svga_shader_emitter *emit,
+                         const struct src_register src )
+{
+   if (src.base.relAddr) {
+      assert(src.base.reserved0);
+      assert(src.indirect.reserved0);
+      return (svga_shader_emit_dword( emit, src.base.value ) &&
+              svga_shader_emit_dword( emit, src.indirect.value ));
+   }
+   else {
+      assert(src.base.reserved0);
+      return svga_shader_emit_dword( emit, src.base.value );
+   }
+}
+
+
+static INLINE boolean emit_instruction( struct svga_shader_emitter *emit,
+                                 SVGA3dShaderInstToken opcode )
+{
+   return svga_shader_emit_opcode( emit, opcode.value );
+}
+
+
+static INLINE boolean emit_op1( struct svga_shader_emitter *emit,
+                         SVGA3dShaderInstToken inst,
+                         SVGA3dShaderDestToken dest,
+                         struct src_register src0 )
+{
+   return (emit_instruction( emit, inst ) &&
+           emit_dst( emit, dest ) &&
+           emit_src( emit, src0 ));
+}
+
+static INLINE boolean emit_op2( struct svga_shader_emitter *emit,
+                     SVGA3dShaderInstToken inst,
+                     SVGA3dShaderDestToken dest,
+                     struct src_register src0,
+                     struct src_register src1 )
+{
+   return (emit_instruction( emit, inst ) &&
+           emit_dst( emit, dest ) &&
+           emit_src( emit, src0 ) &&
+           emit_src( emit, src1 ));
+}
+
+static INLINE boolean emit_op3( struct svga_shader_emitter *emit,
+                         SVGA3dShaderInstToken inst,
+                         SVGA3dShaderDestToken dest,
+                         struct src_register src0,
+                         struct src_register src1,
+                         struct src_register src2 )
+{
+   return (emit_instruction( emit, inst ) &&
+           emit_dst( emit, dest ) &&
+           emit_src( emit, src0 ) &&
+           emit_src( emit, src1 ) &&
+           emit_src( emit, src2 ));
+}
+
+
+#define TRANSLATE_SWIZZLE(x,y,z,w)  ((x) | ((y) << 2) | ((z) << 4) | ((w) << 6))
+#define SWIZZLE_XYZW  \
+ TRANSLATE_SWIZZLE(TGSI_SWIZZLE_X,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_W)
+#define SWIZZLE_XXXX  \
+ TRANSLATE_SWIZZLE(TGSI_SWIZZLE_X,TGSI_SWIZZLE_X,TGSI_SWIZZLE_X,TGSI_SWIZZLE_X)
+#define SWIZZLE_YYYY  \
+ TRANSLATE_SWIZZLE(TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y)
+#define SWIZZLE_ZZZZ  \
+ TRANSLATE_SWIZZLE(TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z)
+#define SWIZZLE_WWWW  \
+ TRANSLATE_SWIZZLE(TGSI_SWIZZLE_W,TGSI_SWIZZLE_W,TGSI_SWIZZLE_W,TGSI_SWIZZLE_W)
+
+
+
+static INLINE SVGA3dShaderInstToken
+inst_token( unsigned opcode )
+{
+   SVGA3dShaderInstToken inst;
+
+   inst.value = 0;
+   inst.op = opcode;
+
+   return inst;
+}
+
+static INLINE SVGA3dShaderDestToken 
+dst_register( unsigned file,
+              int number )
+{
+   SVGA3dShaderDestToken dest;
+
+   dest.value = 0;
+   dest.num = number;
+   dest.type_upper = file >> 3;
+   dest.relAddr = 0;
+   dest.reserved1 = 0;
+   dest.mask = 0xf;
+   dest.dstMod = 0;
+   dest.shfScale = 0;
+   dest.type_lower = file & 0x7;
+   dest.reserved0 = 1;          /* is_reg */
+   
+   return dest;
+}
+
+static INLINE SVGA3dShaderDestToken
+writemask( SVGA3dShaderDestToken dest,
+           unsigned mask )
+{
+   dest.mask &= mask;
+   return dest;
+}
+
+
+static INLINE SVGA3dShaderSrcToken 
+src_token( unsigned file, int number )
+{
+   SVGA3dShaderSrcToken src;
+
+   src.value = 0;
+   src.num = number;
+   src.type_upper = file >> 3;
+   src.relAddr = 0;
+   src.reserved1 = 0;
+   src.swizzle = SWIZZLE_XYZW;
+   src.srcMod = 0;
+   src.type_lower = file & 0x7;
+   src.reserved0 = 1;           /* is_reg */
+
+   return src;
+}
+
+
+static INLINE struct src_register 
+absolute( struct src_register src )
+{
+   src.base.srcMod = SVGA3DSRCMOD_ABS;
+
+   return src;
+}
+
+
+static INLINE struct src_register 
+negate( struct src_register src )
+{
+   switch (src.base.srcMod) {
+   case SVGA3DSRCMOD_ABS:
+      src.base.srcMod = SVGA3DSRCMOD_ABSNEG;
+      break;
+   case SVGA3DSRCMOD_ABSNEG:
+      src.base.srcMod = SVGA3DSRCMOD_ABS;
+      break;
+   case SVGA3DSRCMOD_NEG:
+      src.base.srcMod = SVGA3DSRCMOD_NONE;
+      break;
+   case SVGA3DSRCMOD_NONE:
+      src.base.srcMod = SVGA3DSRCMOD_NEG;
+      break;
+   }
+   return src;
+}
+
+
+static INLINE struct src_register 
+src_register( unsigned file, int number )
+{
+   struct src_register src;
+   
+   src.base = src_token( file, number );
+   src.indirect.value = 0;
+
+   return src;
+}
+
+static INLINE SVGA3dShaderDestToken dst( struct src_register src )
+{
+   return dst_register( SVGA3dShaderGetRegType( src.base.value ),
+                        src.base.num );
+}
+
+static INLINE struct src_register src( SVGA3dShaderDestToken dst )
+{
+   return src_register( SVGA3dShaderGetRegType( dst.value ),
+                        dst.num );
+}
+
+static INLINE ubyte svga_tgsi_sampler_type( struct svga_shader_emitter *emit,
+                                            int idx )
+{
+   switch (emit->key.fkey.tex[idx].texture_target) {
+   case PIPE_TEXTURE_1D:
+      return SVGA3DSAMP_2D;
+   case PIPE_TEXTURE_2D:
+      return SVGA3DSAMP_2D;
+   case PIPE_TEXTURE_3D:
+      return SVGA3DSAMP_VOLUME;
+   case PIPE_TEXTURE_CUBE:
+      return SVGA3DSAMP_CUBE;
+   }
+
+   return SVGA3DSAMP_UNKNOWN;
+}
+
+#endif