/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
#include "i915_context.h"
#include "i915_reg.h"
+#include "pipe/p_shader_tokens.h"
+#include "tgsi/tgsi_parse.h"
#define I915_PROGRAM_SIZE 192
+/* Use those indices for pos/face routing, must be >= num of inputs */
+#define I915_SEMANTIC_POS 100
+#define I915_SEMANTIC_FACE 101
/**
uint temp_flag; /**< Tracks temporary regs which are in use */
uint utemp_flag; /**< Tracks TYPE_U temporary regs which are in use */
+ uint register_phases[I915_MAX_TEMPORARY];
uint nr_tex_indirect;
uint nr_tex_insn;
uint nr_alu_insn;
uint nr_decl_insn;
boolean error; /**< Set if i915_program_error() is called */
- uint wpos_tex;
uint NumNativeInstructions;
uint NumNativeAluInstructions;
uint NumNativeTexInstructions;
/* One neat thing about the UREG representation:
*/
-static INLINE int
+static inline int
swizzle(int reg, uint x, uint y, uint z, uint w)
{
assert(x <= SRC_ONE);
}
+#define A0_DEST( reg ) (((reg)&UREG_TYPE_NR_MASK)>>UREG_A0_DEST_SHIFT_LEFT)
+#define D0_DEST( reg ) (((reg)&UREG_TYPE_NR_MASK)>>UREG_A0_DEST_SHIFT_LEFT)
+#define T0_DEST( reg ) (((reg)&UREG_TYPE_NR_MASK)>>UREG_A0_DEST_SHIFT_LEFT)
+#define A0_SRC0( reg ) (((reg)&UREG_MASK)>>UREG_A0_SRC0_SHIFT_LEFT)
+#define A1_SRC0( reg ) (((reg)&UREG_MASK)<<UREG_A1_SRC0_SHIFT_RIGHT)
+#define A1_SRC1( reg ) (((reg)&UREG_MASK)>>UREG_A1_SRC1_SHIFT_LEFT)
+#define A2_SRC1( reg ) (((reg)&UREG_MASK)<<UREG_A2_SRC1_SHIFT_RIGHT)
+#define A2_SRC2( reg ) (((reg)&UREG_MASK)>>UREG_A2_SRC2_SHIFT_LEFT)
+
+/* These are special, and don't have swizzle/negate bits.
+ */
+#define T0_SAMPLER( reg ) (GET_UREG_NR(reg)<<T0_SAMPLER_NR_SHIFT)
+#define T1_ADDRESS_REG( reg ) ((GET_UREG_NR(reg)<<T1_ADDRESS_REG_NR_SHIFT) | \
+ (GET_UREG_TYPE(reg)<<T1_ADDRESS_REG_TYPE_SHIFT))
+
+
+/* Macros for translating UREG's into the various register fields used
+ * by the I915 programmable unit.
+ */
+#define UREG_A0_DEST_SHIFT_LEFT (UREG_TYPE_SHIFT - A0_DEST_TYPE_SHIFT)
+#define UREG_A0_SRC0_SHIFT_LEFT (UREG_TYPE_SHIFT - A0_SRC0_TYPE_SHIFT)
+#define UREG_A1_SRC0_SHIFT_RIGHT (A1_SRC0_CHANNEL_W_SHIFT - UREG_CHANNEL_W_SHIFT)
+#define UREG_A1_SRC1_SHIFT_LEFT (UREG_TYPE_SHIFT - A1_SRC1_TYPE_SHIFT)
+#define UREG_A2_SRC1_SHIFT_RIGHT (A2_SRC1_CHANNEL_W_SHIFT - UREG_CHANNEL_W_SHIFT)
+#define UREG_A2_SRC2_SHIFT_LEFT (UREG_TYPE_SHIFT - A2_SRC2_TYPE_SHIFT)
+
+#define UREG_MASK 0xffffff00
+#define UREG_TYPE_NR_MASK ((REG_TYPE_MASK << UREG_TYPE_SHIFT) | \
+ (REG_NR_MASK << UREG_NR_SHIFT))
+
+
+
/***********************************************************************
* Public interface for the compiler
extern uint i915_emit_texld(struct i915_fp_compile *p,
uint dest,
uint destmask,
- uint sampler, uint coord, uint op);
+ uint sampler,
+ uint coord,
+ uint op,
+ uint num_coord);
extern uint i915_emit_arith(struct i915_fp_compile *p,
uint op,
/*======================================================================
- * i915_fpc_debug.c
+ * i915_fpc_translate.c
*/
-extern void i915_disassemble_program(const uint * program, uint sz);
+
+extern void
+i915_program_error(struct i915_fp_compile *p, const char *msg, ...);
/*======================================================================
- * i915_fpc_translate.c
+ * i915_fpc_optimize.c
*/
-extern void
-i915_program_error(struct i915_fp_compile *p, const char *msg, ...);
+struct i915_src_register
+{
+ unsigned File : 4; /* TGSI_FILE_ */
+ unsigned Indirect : 1; /* BOOL */
+ unsigned Dimension : 1; /* BOOL */
+ int Index : 16; /* SINT */
+ unsigned SwizzleX : 3; /* TGSI_SWIZZLE_ */
+ unsigned SwizzleY : 3; /* TGSI_SWIZZLE_ */
+ unsigned SwizzleZ : 3; /* TGSI_SWIZZLE_ */
+ unsigned SwizzleW : 3; /* TGSI_SWIZZLE_ */
+ unsigned Absolute : 1; /* BOOL */
+ unsigned Negate : 1; /* BOOL */
+};
+
+/* Additional swizzle supported in i915 */
+#define TGSI_SWIZZLE_ZERO 4
+#define TGSI_SWIZZLE_ONE 5
+
+struct i915_dst_register
+{
+ unsigned File : 4; /* TGSI_FILE_ */
+ unsigned WriteMask : 4; /* TGSI_WRITEMASK_ */
+ unsigned Indirect : 1; /* BOOL */
+ unsigned Dimension : 1; /* BOOL */
+ int Index : 16; /* SINT */
+ unsigned Padding : 6;
+};
+
+
+struct i915_full_dst_register
+{
+ struct i915_dst_register Register;
+/*
+ struct tgsi_ind_register Indirect;
+ struct tgsi_dimension Dimension;
+ struct tgsi_ind_register DimIndirect;
+*/
+};
+
+struct i915_full_src_register
+{
+ struct i915_src_register Register;
+/*
+ struct tgsi_ind_register Indirect;
+ struct tgsi_dimension Dimension;
+ struct tgsi_ind_register DimIndirect;
+*/
+};
+
+struct i915_full_instruction
+{
+ struct tgsi_instruction Instruction;
+/*
+ struct tgsi_instruction_label Label;
+*/
+ struct tgsi_instruction_texture Texture;
+ struct i915_full_dst_register Dst[1];
+ struct i915_full_src_register Src[3];
+};
+
+
+union i915_full_token
+{
+ struct tgsi_token Token;
+ struct tgsi_full_declaration FullDeclaration;
+ struct tgsi_full_immediate FullImmediate;
+ struct i915_full_instruction FullInstruction;
+ struct tgsi_full_property FullProperty;
+};
+
+struct i915_token_list
+{
+ union i915_full_token* Tokens;
+ unsigned NumTokens;
+};
+
+extern struct i915_token_list* i915_optimize(const struct tgsi_token *tokens);
+
+extern void i915_optimize_free(struct i915_token_list *tokens);
+
+extern uint i915_num_coords(uint tex);
#endif
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