diff options
Diffstat (limited to 'src/gallium/drivers/i915/i915_fpc.h')
| -rw-r--r-- | src/gallium/drivers/i915/i915_fpc.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_fpc.h b/src/gallium/drivers/i915/i915_fpc.h new file mode 100644 index 00000000000..2f0f99d0468 --- /dev/null +++ b/src/gallium/drivers/i915/i915_fpc.h @@ -0,0 +1,207 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + + +#ifndef I915_FPC_H +#define I915_FPC_H + + +#include "i915_context.h" +#include "i915_reg.h" + + + +#define I915_PROGRAM_SIZE 192 + + + +/** + * Program translation state + */ +struct i915_fp_compile { + struct i915_fragment_shader *shader; /* the shader we're compiling */ + + boolean used_constants[I915_MAX_CONSTANT]; + + /** maps TGSI immediate index to constant slot */ + uint num_immediates; + uint immediates_map[I915_MAX_CONSTANT]; + float immediates[I915_MAX_CONSTANT][4]; + + boolean first_instruction; + + uint declarations[I915_PROGRAM_SIZE]; + uint program[I915_PROGRAM_SIZE]; + + uint *csr; /**< Cursor, points into program. */ + + uint *decl; /**< Cursor, points into declarations. */ + + uint decl_s; /**< flags for which s regs need to be decl'd */ + uint decl_t; /**< flags for which t regs need to be decl'd */ + + uint temp_flag; /**< Tracks temporary regs which are in use */ + uint utemp_flag; /**< Tracks TYPE_U temporary regs which are in use */ + + 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; + uint NumNativeTexIndirections; +}; + + +/* Having zero and one in here makes the definition of swizzle a lot + * easier. + */ +#define UREG_TYPE_SHIFT 29 +#define UREG_NR_SHIFT 24 +#define UREG_CHANNEL_X_NEGATE_SHIFT 23 +#define UREG_CHANNEL_X_SHIFT 20 +#define UREG_CHANNEL_Y_NEGATE_SHIFT 19 +#define UREG_CHANNEL_Y_SHIFT 16 +#define UREG_CHANNEL_Z_NEGATE_SHIFT 15 +#define UREG_CHANNEL_Z_SHIFT 12 +#define UREG_CHANNEL_W_NEGATE_SHIFT 11 +#define UREG_CHANNEL_W_SHIFT 8 +#define UREG_CHANNEL_ZERO_NEGATE_MBZ 5 +#define UREG_CHANNEL_ZERO_SHIFT 4 +#define UREG_CHANNEL_ONE_NEGATE_MBZ 1 +#define UREG_CHANNEL_ONE_SHIFT 0 + +#define UREG_BAD 0xffffffff /* not a valid ureg */ + +#define X SRC_X +#define Y SRC_Y +#define Z SRC_Z +#define W SRC_W +#define ZERO SRC_ZERO +#define ONE SRC_ONE + +/* Construct a ureg: + */ +#define UREG( type, nr ) (((type)<< UREG_TYPE_SHIFT) | \ + ((nr) << UREG_NR_SHIFT) | \ + (X << UREG_CHANNEL_X_SHIFT) | \ + (Y << UREG_CHANNEL_Y_SHIFT) | \ + (Z << UREG_CHANNEL_Z_SHIFT) | \ + (W << UREG_CHANNEL_W_SHIFT) | \ + (ZERO << UREG_CHANNEL_ZERO_SHIFT) | \ + (ONE << UREG_CHANNEL_ONE_SHIFT)) + +#define GET_CHANNEL_SRC( reg, channel ) ((reg<<(channel*4)) & (0xf<<20)) +#define CHANNEL_SRC( src, channel ) (src>>(channel*4)) + +#define GET_UREG_TYPE(reg) (((reg)>>UREG_TYPE_SHIFT)®_TYPE_MASK) +#define GET_UREG_NR(reg) (((reg)>>UREG_NR_SHIFT)®_NR_MASK) + + + +#define UREG_XYZW_CHANNEL_MASK 0x00ffff00 + +/* One neat thing about the UREG representation: + */ +static INLINE int +swizzle(int reg, uint x, uint y, uint z, uint w) +{ + assert(x <= SRC_ONE); + assert(y <= SRC_ONE); + assert(z <= SRC_ONE); + assert(w <= SRC_ONE); + return ((reg & ~UREG_XYZW_CHANNEL_MASK) | + CHANNEL_SRC(GET_CHANNEL_SRC(reg, x), 0) | + CHANNEL_SRC(GET_CHANNEL_SRC(reg, y), 1) | + CHANNEL_SRC(GET_CHANNEL_SRC(reg, z), 2) | + CHANNEL_SRC(GET_CHANNEL_SRC(reg, w), 3)); +} + + + +/*********************************************************************** + * Public interface for the compiler + */ +extern void +i915_translate_fragment_program( struct i915_context *i915, + struct i915_fragment_shader *fs); + + + +extern uint i915_get_temp(struct i915_fp_compile *p); +extern uint i915_get_utemp(struct i915_fp_compile *p); +extern void i915_release_utemps(struct i915_fp_compile *p); + + +extern uint i915_emit_texld(struct i915_fp_compile *p, + uint dest, + uint destmask, + uint sampler, uint coord, uint op); + +extern uint i915_emit_arith(struct i915_fp_compile *p, + uint op, + uint dest, + uint mask, + uint saturate, + uint src0, uint src1, uint src2); + +extern uint i915_emit_decl(struct i915_fp_compile *p, + uint type, uint nr, uint d0_flags); + + +extern uint i915_emit_const1f(struct i915_fp_compile *p, float c0); + +extern uint i915_emit_const2f(struct i915_fp_compile *p, + float c0, float c1); + +extern uint i915_emit_const4fv(struct i915_fp_compile *p, + const float * c); + +extern uint i915_emit_const4f(struct i915_fp_compile *p, + float c0, float c1, + float c2, float c3); + + +/*====================================================================== + * i915_fpc_debug.c + */ +extern void i915_disassemble_program(const uint * program, uint sz); + + +/*====================================================================== + * i915_fpc_translate.c + */ + +extern void +i915_program_error(struct i915_fp_compile *p, const char *msg, ...); + + +#endif |