diff options
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_fpc_emit.c')
-rw-r--r-- | src/gallium/drivers/i915simple/i915_fpc_emit.c | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/src/gallium/drivers/i915simple/i915_fpc_emit.c b/src/gallium/drivers/i915simple/i915_fpc_emit.c deleted file mode 100644 index b054ce41d3..0000000000 --- a/src/gallium/drivers/i915simple/i915_fpc_emit.c +++ /dev/null @@ -1,375 +0,0 @@ -/************************************************************************** - * - * 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. - * - **************************************************************************/ - -#include "i915_reg.h" -#include "i915_context.h" -#include "i915_fpc.h" -#include "util/u_math.h" - - -#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)) - - -uint -i915_get_temp(struct i915_fp_compile *p) -{ - int bit = ffs(~p->temp_flag); - if (!bit) { - i915_program_error(p, "i915_get_temp: out of temporaries\n"); - return 0; - } - - p->temp_flag |= 1 << (bit - 1); - return bit - 1; -} - - -static void -i915_release_temp(struct i915_fp_compile *p, int reg) -{ - p->temp_flag &= ~(1 << reg); -} - - -/** - * Get unpreserved temporary, a temp whose value is not preserved between - * PS program phases. - */ -uint -i915_get_utemp(struct i915_fp_compile * p) -{ - int bit = ffs(~p->utemp_flag); - if (!bit) { - i915_program_error(p, "i915_get_utemp: out of temporaries\n"); - return 0; - } - - p->utemp_flag |= 1 << (bit - 1); - return UREG(REG_TYPE_U, (bit - 1)); -} - -void -i915_release_utemps(struct i915_fp_compile *p) -{ - p->utemp_flag = ~0x7; -} - - -uint -i915_emit_decl(struct i915_fp_compile *p, - uint type, uint nr, uint d0_flags) -{ - uint reg = UREG(type, nr); - - if (type == REG_TYPE_T) { - if (p->decl_t & (1 << nr)) - return reg; - - p->decl_t |= (1 << nr); - } - else if (type == REG_TYPE_S) { - if (p->decl_s & (1 << nr)) - return reg; - - p->decl_s |= (1 << nr); - } - else - return reg; - - *(p->decl++) = (D0_DCL | D0_DEST(reg) | d0_flags); - *(p->decl++) = D1_MBZ; - *(p->decl++) = D2_MBZ; - - p->nr_decl_insn++; - return reg; -} - -uint -i915_emit_arith(struct i915_fp_compile * p, - uint op, - uint dest, - uint mask, - uint saturate, uint src0, uint src1, uint src2) -{ - uint c[3]; - uint nr_const = 0; - - assert(GET_UREG_TYPE(dest) != REG_TYPE_CONST); - dest = UREG(GET_UREG_TYPE(dest), GET_UREG_NR(dest)); - assert(dest); - - if (GET_UREG_TYPE(src0) == REG_TYPE_CONST) - c[nr_const++] = 0; - if (GET_UREG_TYPE(src1) == REG_TYPE_CONST) - c[nr_const++] = 1; - if (GET_UREG_TYPE(src2) == REG_TYPE_CONST) - c[nr_const++] = 2; - - /* Recursively call this function to MOV additional const values - * into temporary registers. Use utemp registers for this - - * currently shouldn't be possible to run out, but keep an eye on - * this. - */ - if (nr_const > 1) { - uint s[3], first, i, old_utemp_flag; - - s[0] = src0; - s[1] = src1; - s[2] = src2; - old_utemp_flag = p->utemp_flag; - - first = GET_UREG_NR(s[c[0]]); - for (i = 1; i < nr_const; i++) { - if (GET_UREG_NR(s[c[i]]) != first) { - uint tmp = i915_get_utemp(p); - - i915_emit_arith(p, A0_MOV, tmp, A0_DEST_CHANNEL_ALL, 0, - s[c[i]], 0, 0); - s[c[i]] = tmp; - } - } - - src0 = s[0]; - src1 = s[1]; - src2 = s[2]; - p->utemp_flag = old_utemp_flag; /* restore */ - } - - *(p->csr++) = (op | A0_DEST(dest) | mask | saturate | A0_SRC0(src0)); - *(p->csr++) = (A1_SRC0(src0) | A1_SRC1(src1)); - *(p->csr++) = (A2_SRC1(src1) | A2_SRC2(src2)); - - p->nr_alu_insn++; - return dest; -} - - -/** - * Emit a texture load or texkill instruction. - * \param dest the dest i915 register - * \param destmask the dest register writemask - * \param sampler the i915 sampler register - * \param coord the i915 source texcoord operand - * \param opcode the instruction opcode - */ -uint i915_emit_texld( struct i915_fp_compile *p, - uint dest, - uint destmask, - uint sampler, - uint coord, - uint opcode ) -{ - const uint k = UREG(GET_UREG_TYPE(coord), GET_UREG_NR(coord)); - int temp = -1; - - if (coord != k) { - /* texcoord is swizzled or negated. Need to allocate a new temporary - * register (a utemp / unpreserved temp) won't do. - */ - uint tempReg; - - temp = i915_get_temp(p); /* get temp reg index */ - tempReg = UREG(REG_TYPE_R, temp); /* make i915 register */ - - i915_emit_arith( p, A0_MOV, - tempReg, A0_DEST_CHANNEL_ALL, /* dest reg, writemask */ - 0, /* saturate */ - coord, 0, 0 ); /* src0, src1, src2 */ - - /* new src texcoord is tempReg */ - coord = tempReg; - } - - /* Don't worry about saturate as we only support - */ - if (destmask != A0_DEST_CHANNEL_ALL) { - /* if not writing to XYZW... */ - uint tmp = i915_get_utemp(p); - i915_emit_texld( p, tmp, A0_DEST_CHANNEL_ALL, sampler, coord, opcode ); - i915_emit_arith( p, A0_MOV, dest, destmask, 0, tmp, 0, 0 ); - /* XXX release utemp here? */ - } - else { - assert(GET_UREG_TYPE(dest) != REG_TYPE_CONST); - assert(dest = UREG(GET_UREG_TYPE(dest), GET_UREG_NR(dest))); - - /* is the sampler coord a texcoord input reg? */ - if (GET_UREG_TYPE(coord) != REG_TYPE_T) { - p->nr_tex_indirect++; - } - - *(p->csr++) = (opcode | - T0_DEST( dest ) | - T0_SAMPLER( sampler )); - - *(p->csr++) = T1_ADDRESS_REG( coord ); - *(p->csr++) = T2_MBZ; - - p->nr_tex_insn++; - } - - if (temp >= 0) - i915_release_temp(p, temp); - - return dest; -} - - -uint -i915_emit_const1f(struct i915_fp_compile * p, float c0) -{ - struct i915_fragment_shader *ifs = p->shader; - unsigned reg, idx; - - if (c0 == 0.0) - return swizzle(UREG(REG_TYPE_R, 0), ZERO, ZERO, ZERO, ZERO); - if (c0 == 1.0) - return swizzle(UREG(REG_TYPE_R, 0), ONE, ONE, ONE, ONE); - - for (reg = 0; reg < I915_MAX_CONSTANT; reg++) { - if (ifs->constant_flags[reg] == I915_CONSTFLAG_USER) - continue; - for (idx = 0; idx < 4; idx++) { - if (!(ifs->constant_flags[reg] & (1 << idx)) || - ifs->constants[reg][idx] == c0) { - ifs->constants[reg][idx] = c0; - ifs->constant_flags[reg] |= 1 << idx; - if (reg + 1 > ifs->num_constants) - ifs->num_constants = reg + 1; - return swizzle(UREG(REG_TYPE_CONST, reg), idx, ZERO, ZERO, ONE); - } - } - } - - i915_program_error(p, "i915_emit_const1f: out of constants\n"); - return 0; -} - -uint -i915_emit_const2f(struct i915_fp_compile * p, float c0, float c1) -{ - struct i915_fragment_shader *ifs = p->shader; - unsigned reg, idx; - - if (c0 == 0.0) - return swizzle(i915_emit_const1f(p, c1), ZERO, X, Z, W); - if (c0 == 1.0) - return swizzle(i915_emit_const1f(p, c1), ONE, X, Z, W); - - if (c1 == 0.0) - return swizzle(i915_emit_const1f(p, c0), X, ZERO, Z, W); - if (c1 == 1.0) - return swizzle(i915_emit_const1f(p, c0), X, ONE, Z, W); - - for (reg = 0; reg < I915_MAX_CONSTANT; reg++) { - if (ifs->constant_flags[reg] == 0xf || - ifs->constant_flags[reg] == I915_CONSTFLAG_USER) - continue; - for (idx = 0; idx < 3; idx++) { - if (!(ifs->constant_flags[reg] & (3 << idx))) { - ifs->constants[reg][idx + 0] = c0; - ifs->constants[reg][idx + 1] = c1; - ifs->constant_flags[reg] |= 3 << idx; - if (reg + 1 > ifs->num_constants) - ifs->num_constants = reg + 1; - return swizzle(UREG(REG_TYPE_CONST, reg), idx, idx + 1, ZERO, ONE); - } - } - } - - i915_program_error(p, "i915_emit_const2f: out of constants\n"); - return 0; -} - - - -uint -i915_emit_const4f(struct i915_fp_compile * p, - float c0, float c1, float c2, float c3) -{ - struct i915_fragment_shader *ifs = p->shader; - unsigned reg; - - for (reg = 0; reg < I915_MAX_CONSTANT; reg++) { - if (ifs->constant_flags[reg] == 0xf && - ifs->constants[reg][0] == c0 && - ifs->constants[reg][1] == c1 && - ifs->constants[reg][2] == c2 && - ifs->constants[reg][3] == c3) { - return UREG(REG_TYPE_CONST, reg); - } - else if (ifs->constant_flags[reg] == 0) { - - ifs->constants[reg][0] = c0; - ifs->constants[reg][1] = c1; - ifs->constants[reg][2] = c2; - ifs->constants[reg][3] = c3; - ifs->constant_flags[reg] = 0xf; - if (reg + 1 > ifs->num_constants) - ifs->num_constants = reg + 1; - return UREG(REG_TYPE_CONST, reg); - } - } - - i915_program_error(p, "i915_emit_const4f: out of constants\n"); - return 0; -} - - -uint -i915_emit_const4fv(struct i915_fp_compile * p, const float * c) -{ - return i915_emit_const4f(p, c[0], c[1], c[2], c[3]); -} |