diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/i915_program.h')
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/i915_program.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915tex/i915_program.h b/src/mesa/drivers/dri/i915tex/i915_program.h new file mode 100644 index 0000000000..3c12b34f16 --- /dev/null +++ b/src/mesa/drivers/dri/i915tex/i915_program.h @@ -0,0 +1,160 @@ +/************************************************************************** + * + * 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_PROGRAM_H +#define I915_PROGRAM_H + +#include "i915_context.h" +#include "i915_reg.h" + + + +/* 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, int x, int y, int z, int w) +{ + 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)); +} + +/* Another neat thing about the UREG representation: + */ +static INLINE int +negate(int reg, int x, int y, int z, int w) +{ + return reg ^ (((x & 1) << UREG_CHANNEL_X_NEGATE_SHIFT) | + ((y & 1) << UREG_CHANNEL_Y_NEGATE_SHIFT) | + ((z & 1) << UREG_CHANNEL_Z_NEGATE_SHIFT) | + ((w & 1) << UREG_CHANNEL_W_NEGATE_SHIFT)); +} + + +extern GLuint i915_get_temp(struct i915_fragment_program *p); +extern GLuint i915_get_utemp(struct i915_fragment_program *p); +extern void i915_release_utemps(struct i915_fragment_program *p); + + +extern GLuint i915_emit_texld(struct i915_fragment_program *p, + GLuint dest, + GLuint destmask, + GLuint sampler, GLuint coord, GLuint op); + +extern GLuint i915_emit_arith(struct i915_fragment_program *p, + GLuint op, + GLuint dest, + GLuint mask, + GLuint saturate, + GLuint src0, GLuint src1, GLuint src2); + +extern GLuint i915_emit_decl(struct i915_fragment_program *p, + GLuint type, GLuint nr, GLuint d0_flags); + + +extern GLuint i915_emit_const1f(struct i915_fragment_program *p, GLfloat c0); + +extern GLuint i915_emit_const2f(struct i915_fragment_program *p, + GLfloat c0, GLfloat c1); + +extern GLuint i915_emit_const4fv(struct i915_fragment_program *p, + const GLfloat * c); + +extern GLuint i915_emit_const4f(struct i915_fragment_program *p, + GLfloat c0, GLfloat c1, + GLfloat c2, GLfloat c3); + + +extern GLuint i915_emit_param4fv(struct i915_fragment_program *p, + const GLfloat * values); + +extern void i915_program_error(struct i915_fragment_program *p, + const char *msg); + +extern void i915_init_program(struct i915_context *i915, + struct i915_fragment_program *p); + +extern void i915_upload_program(struct i915_context *i915, + struct i915_fragment_program *p); + +extern void i915_fini_program(struct i915_fragment_program *p); + + + + +#endif |