161 lines
5.6 KiB
C
161 lines
5.6 KiB
C
/**************************************************************************
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*
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* Copyright 2003 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef I915_PROGRAM_H
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#define I915_PROGRAM_H
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#include "i915_context.h"
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#include "i915_reg.h"
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/* Having zero and one in here makes the definition of swizzle a lot
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* easier.
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*/
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#define UREG_TYPE_SHIFT 29
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#define UREG_NR_SHIFT 24
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#define UREG_CHANNEL_X_NEGATE_SHIFT 23
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#define UREG_CHANNEL_X_SHIFT 20
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#define UREG_CHANNEL_Y_NEGATE_SHIFT 19
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#define UREG_CHANNEL_Y_SHIFT 16
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#define UREG_CHANNEL_Z_NEGATE_SHIFT 15
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#define UREG_CHANNEL_Z_SHIFT 12
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#define UREG_CHANNEL_W_NEGATE_SHIFT 11
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#define UREG_CHANNEL_W_SHIFT 8
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#define UREG_CHANNEL_ZERO_NEGATE_MBZ 5
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#define UREG_CHANNEL_ZERO_SHIFT 4
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#define UREG_CHANNEL_ONE_NEGATE_MBZ 1
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#define UREG_CHANNEL_ONE_SHIFT 0
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#define UREG_BAD 0xffffffff /* not a valid ureg */
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#define X SRC_X
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#define Y SRC_Y
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#define Z SRC_Z
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#define W SRC_W
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#define ZERO SRC_ZERO
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#define ONE SRC_ONE
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/* Construct a ureg:
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*/
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#define UREG( type, nr ) (((type)<< UREG_TYPE_SHIFT) | \
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((nr) << UREG_NR_SHIFT) | \
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(X << UREG_CHANNEL_X_SHIFT) | \
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(Y << UREG_CHANNEL_Y_SHIFT) | \
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(Z << UREG_CHANNEL_Z_SHIFT) | \
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(W << UREG_CHANNEL_W_SHIFT) | \
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(ZERO << UREG_CHANNEL_ZERO_SHIFT) | \
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(ONE << UREG_CHANNEL_ONE_SHIFT))
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#define GET_CHANNEL_SRC( reg, channel ) ((reg<<(channel*4)) & (0xf<<20))
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#define CHANNEL_SRC( src, channel ) (src>>(channel*4))
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#define GET_UREG_TYPE(reg) (((reg)>>UREG_TYPE_SHIFT)®_TYPE_MASK)
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#define GET_UREG_NR(reg) (((reg)>>UREG_NR_SHIFT)®_NR_MASK)
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#define UREG_XYZW_CHANNEL_MASK 0x00ffff00
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/* One neat thing about the UREG representation:
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*/
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static inline int
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swizzle(int reg, int x, int y, int z, int w)
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{
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return ((reg & ~UREG_XYZW_CHANNEL_MASK) |
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CHANNEL_SRC(GET_CHANNEL_SRC(reg, x), 0) |
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CHANNEL_SRC(GET_CHANNEL_SRC(reg, y), 1) |
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CHANNEL_SRC(GET_CHANNEL_SRC(reg, z), 2) |
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CHANNEL_SRC(GET_CHANNEL_SRC(reg, w), 3));
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}
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/* Another neat thing about the UREG representation:
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*/
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static inline int
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negate(int reg, int x, int y, int z, int w)
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{
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return reg ^ (((x & 1) << UREG_CHANNEL_X_NEGATE_SHIFT) |
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((y & 1) << UREG_CHANNEL_Y_NEGATE_SHIFT) |
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((z & 1) << UREG_CHANNEL_Z_NEGATE_SHIFT) |
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((w & 1) << UREG_CHANNEL_W_NEGATE_SHIFT));
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}
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extern GLuint i915_get_temp(struct i915_fragment_program *p);
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extern GLuint i915_get_utemp(struct i915_fragment_program *p);
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extern void i915_release_utemps(struct i915_fragment_program *p);
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extern GLuint i915_emit_texld(struct i915_fragment_program *p,
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GLuint live_regs,
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GLuint dest,
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GLuint destmask,
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GLuint sampler, GLuint coord, GLuint op);
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extern GLuint i915_emit_arith(struct i915_fragment_program *p,
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GLuint op,
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GLuint dest,
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GLuint mask,
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GLuint saturate,
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GLuint src0, GLuint src1, GLuint src2);
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extern GLuint i915_emit_decl(struct i915_fragment_program *p,
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GLuint type, GLuint nr, GLuint d0_flags);
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extern GLuint i915_emit_const1f(struct i915_fragment_program *p, GLfloat c0);
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extern GLuint i915_emit_const2f(struct i915_fragment_program *p,
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GLfloat c0, GLfloat c1);
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extern GLuint i915_emit_const4fv(struct i915_fragment_program *p,
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const GLfloat * c);
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extern GLuint i915_emit_const4f(struct i915_fragment_program *p,
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GLfloat c0, GLfloat c1,
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GLfloat c2, GLfloat c3);
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extern GLuint i915_emit_param4fv(struct i915_fragment_program *p,
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const GLfloat * values);
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extern void i915_program_error(struct i915_fragment_program *p,
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const char *fmt, ...);
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extern void i915_init_program(struct i915_context *i915,
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struct i915_fragment_program *p);
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extern void i915_upload_program(struct i915_context *i915,
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struct i915_fragment_program *p);
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extern void i915_fini_program(struct i915_fragment_program *p);
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extern void i915_update_program(struct gl_context *ctx);
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#endif
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