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Diffstat (limited to 'src/gallium/drivers/i915simple/i915_fpc_emit.c')
-rw-r--r--src/gallium/drivers/i915simple/i915_fpc_emit.c375
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]);
-}
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