From 6b9e31f3eb3dbe20cbc8493b963bbc6530e392c6 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Wed, 1 Nov 2006 12:03:11 +0000 Subject: Import texmem i915 driver to its new location as i915tex. --- src/mesa/drivers/dri/i915tex/i915_program.c | 518 ++++++++++++++++++++++++++++ 1 file changed, 518 insertions(+) create mode 100644 src/mesa/drivers/dri/i915tex/i915_program.c (limited to 'src/mesa/drivers/dri/i915tex/i915_program.c') diff --git a/src/mesa/drivers/dri/i915tex/i915_program.c b/src/mesa/drivers/dri/i915tex/i915_program.c new file mode 100644 index 0000000000..4fb56222c6 --- /dev/null +++ b/src/mesa/drivers/dri/i915tex/i915_program.c @@ -0,0 +1,518 @@ +/************************************************************************** + * + * 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 + +#include "glheader.h" +#include "macros.h" +#include "enums.h" + +#include "tnl/t_context.h" +#include "intel_batchbuffer.h" + +#include "i915_reg.h" +#include "i915_context.h" +#include "i915_program.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_SRC1_SHIFT_LEFT) +#define A2_SRC1( 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)<temp_flag); + if (!bit) { + fprintf(stderr, "%s: out of temporaries\n", __FILE__); + exit(1); + } + + p->temp_flag |= 1 << (bit - 1); + return UREG(REG_TYPE_R, (bit - 1)); +} + + +GLuint +i915_get_utemp(struct i915_fragment_program * p) +{ + int bit = ffs(~p->utemp_flag); + if (!bit) { + fprintf(stderr, "%s: out of temporaries\n", __FILE__); + exit(1); + } + + p->utemp_flag |= 1 << (bit - 1); + return UREG(REG_TYPE_U, (bit - 1)); +} + +void +i915_release_utemps(struct i915_fragment_program *p) +{ + p->utemp_flag = ~0x7; +} + + +GLuint +i915_emit_decl(struct i915_fragment_program *p, + GLuint type, GLuint nr, GLuint d0_flags) +{ + GLuint 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; +} + +GLuint +i915_emit_arith(struct i915_fragment_program * p, + GLuint op, + GLuint dest, + GLuint mask, + GLuint saturate, GLuint src0, GLuint src1, GLuint src2) +{ + GLuint c[3]; + GLuint 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) { + GLuint 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) { + GLuint 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; +} + +GLuint i915_emit_texld( struct i915_fragment_program *p, + GLuint dest, + GLuint destmask, + GLuint sampler, + GLuint coord, + GLuint op ) +{ + if (coord != UREG(GET_UREG_TYPE(coord), GET_UREG_NR(coord))) { + /* No real way to work around this in the general case - need to + * allocate and declare a new temporary register (a utemp won't + * do). Will fallback for now. + */ + i915_program_error(p, "Can't (yet) swizzle TEX arguments"); + return 0; + } + + /* Don't worry about saturate as we only support + */ + if (destmask != A0_DEST_CHANNEL_ALL) { + GLuint tmp = i915_get_utemp(p); + i915_emit_texld( p, tmp, A0_DEST_CHANNEL_ALL, sampler, coord, op ); + i915_emit_arith( p, A0_MOV, dest, destmask, 0, tmp, 0, 0 ); + return dest; + } + else { + assert(GET_UREG_TYPE(dest) != REG_TYPE_CONST); + assert(dest = UREG(GET_UREG_TYPE(dest), GET_UREG_NR(dest))); + + if (GET_UREG_TYPE(coord) != REG_TYPE_T) { + p->nr_tex_indirect++; + } + + *(p->csr++) = (op | + T0_DEST( dest ) | + T0_SAMPLER( sampler )); + + *(p->csr++) = T1_ADDRESS_REG( coord ); + *(p->csr++) = T2_MBZ; + + p->nr_tex_insn++; + return dest; + } +} + + +GLuint +i915_emit_const1f(struct i915_fragment_program * p, GLfloat c0) +{ + GLint 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 (p->constant_flags[reg] == I915_CONSTFLAG_PARAM) + continue; + for (idx = 0; idx < 4; idx++) { + if (!(p->constant_flags[reg] & (1 << idx)) || + p->constant[reg][idx] == c0) { + p->constant[reg][idx] = c0; + p->constant_flags[reg] |= 1 << idx; + if (reg + 1 > p->nr_constants) + p->nr_constants = reg + 1; + return swizzle(UREG(REG_TYPE_CONST, reg), idx, ZERO, ZERO, ONE); + } + } + } + + fprintf(stderr, "%s: out of constants\n", __FUNCTION__); + p->error = 1; + return 0; +} + +GLuint +i915_emit_const2f(struct i915_fragment_program * p, GLfloat c0, GLfloat c1) +{ + GLint 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 (p->constant_flags[reg] == 0xf || + p->constant_flags[reg] == I915_CONSTFLAG_PARAM) + continue; + for (idx = 0; idx < 3; idx++) { + if (!(p->constant_flags[reg] & (3 << idx))) { + p->constant[reg][idx] = c0; + p->constant[reg][idx + 1] = c1; + p->constant_flags[reg] |= 3 << idx; + if (reg + 1 > p->nr_constants) + p->nr_constants = reg + 1; + return swizzle(UREG(REG_TYPE_CONST, reg), idx, idx + 1, ZERO, + ONE); + } + } + } + + fprintf(stderr, "%s: out of constants\n", __FUNCTION__); + p->error = 1; + return 0; +} + + + +GLuint +i915_emit_const4f(struct i915_fragment_program * p, + GLfloat c0, GLfloat c1, GLfloat c2, GLfloat c3) +{ + GLint reg; + + for (reg = 0; reg < I915_MAX_CONSTANT; reg++) { + if (p->constant_flags[reg] == 0xf && + p->constant[reg][0] == c0 && + p->constant[reg][1] == c1 && + p->constant[reg][2] == c2 && p->constant[reg][3] == c3) { + return UREG(REG_TYPE_CONST, reg); + } + else if (p->constant_flags[reg] == 0) { + p->constant[reg][0] = c0; + p->constant[reg][1] = c1; + p->constant[reg][2] = c2; + p->constant[reg][3] = c3; + p->constant_flags[reg] = 0xf; + if (reg + 1 > p->nr_constants) + p->nr_constants = reg + 1; + return UREG(REG_TYPE_CONST, reg); + } + } + + fprintf(stderr, "%s: out of constants\n", __FUNCTION__); + p->error = 1; + return 0; +} + + +GLuint +i915_emit_const4fv(struct i915_fragment_program * p, const GLfloat * c) +{ + return i915_emit_const4f(p, c[0], c[1], c[2], c[3]); +} + + +GLuint +i915_emit_param4fv(struct i915_fragment_program * p, const GLfloat * values) +{ + GLint reg, i; + + for (i = 0; i < p->nr_params; i++) { + if (p->param[i].values == values) + return UREG(REG_TYPE_CONST, p->param[i].reg); + } + + + for (reg = 0; reg < I915_MAX_CONSTANT; reg++) { + if (p->constant_flags[reg] == 0) { + p->constant_flags[reg] = I915_CONSTFLAG_PARAM; + i = p->nr_params++; + + p->param[i].values = values; + p->param[i].reg = reg; + p->params_uptodate = 0; + + if (reg + 1 > p->nr_constants) + p->nr_constants = reg + 1; + return UREG(REG_TYPE_CONST, reg); + } + } + + fprintf(stderr, "%s: out of constants\n", __FUNCTION__); + p->error = 1; + return 0; +} + + + + +void +i915_program_error(struct i915_fragment_program *p, const char *msg) +{ + /* XXX we shouldn't print anything to stdout, record GL error or + * call _mesa_problem() + */ + fprintf(stderr, "%s\n", msg); + p->error = 1; +} + +void +i915_init_program(struct i915_context *i915, struct i915_fragment_program *p) +{ + GLcontext *ctx = &i915->intel.ctx; + TNLcontext *tnl = TNL_CONTEXT(ctx); + + p->translated = 0; + p->params_uptodate = 0; + p->on_hardware = 0; + p->error = 0; + + p->nr_tex_indirect = 1; /* correct? */ + p->nr_tex_insn = 0; + p->nr_alu_insn = 0; + p->nr_decl_insn = 0; + + p->ctx = ctx; + memset(p->constant_flags, 0, sizeof(p->constant_flags)); + + p->nr_constants = 0; + p->csr = p->program; + p->decl = p->declarations; + p->decl_s = 0; + p->decl_t = 0; + p->temp_flag = 0xffff000; + p->utemp_flag = ~0x7; + p->wpos_tex = -1; + p->depth_written = 0; + p->nr_params = 0; + + p->src_texture = UREG_BAD; + p->src_previous = UREG(REG_TYPE_T, T_DIFFUSE); + p->last_tex_stage = 0; + p->VB = &tnl->vb; + + *(p->decl++) = _3DSTATE_PIXEL_SHADER_PROGRAM; +} + + +void +i915_fini_program(struct i915_fragment_program *p) +{ + GLuint program_size = p->csr - p->program; + GLuint decl_size = p->decl - p->declarations; + + if (p->nr_tex_indirect > I915_MAX_TEX_INDIRECT) + i915_program_error(p, "Exceeded max nr indirect texture lookups"); + + if (p->nr_tex_insn > I915_MAX_TEX_INSN) + i915_program_error(p, "Exceeded max TEX instructions"); + + if (p->nr_alu_insn > I915_MAX_ALU_INSN) + i915_program_error(p, "Exceeded max ALU instructions"); + + if (p->nr_decl_insn > I915_MAX_DECL_INSN) + i915_program_error(p, "Exceeded max DECL instructions"); + + if (p->error) { + p->FragProg.Base.NumNativeInstructions = 0; + p->FragProg.NumNativeAluInstructions = 0; + p->FragProg.NumNativeTexInstructions = 0; + p->FragProg.NumNativeTexIndirections = 0; + } + else { + p->FragProg.Base.NumNativeInstructions = (p->nr_alu_insn + + p->nr_tex_insn + + p->nr_decl_insn); + p->FragProg.NumNativeAluInstructions = p->nr_alu_insn; + p->FragProg.NumNativeTexInstructions = p->nr_tex_insn; + p->FragProg.NumNativeTexIndirections = p->nr_tex_indirect; + } + + p->declarations[0] |= program_size + decl_size - 2; +} + +void +i915_upload_program(struct i915_context *i915, + struct i915_fragment_program *p) +{ + GLuint program_size = p->csr - p->program; + GLuint decl_size = p->decl - p->declarations; + + FALLBACK(&i915->intel, I915_FALLBACK_PROGRAM, p->error); + + /* Could just go straight to the batchbuffer from here: + */ + if (i915->state.ProgramSize != (program_size + decl_size) || + memcmp(i915->state.Program + decl_size, p->program, + program_size * sizeof(int)) != 0) { + I915_STATECHANGE(i915, I915_UPLOAD_PROGRAM); + memcpy(i915->state.Program, p->declarations, decl_size * sizeof(int)); + memcpy(i915->state.Program + decl_size, p->program, + program_size * sizeof(int)); + i915->state.ProgramSize = decl_size + program_size; + } + + /* Always seemed to get a failure if I used memcmp() to + * shortcircuit this state upload. Needs further investigation? + */ + if (p->nr_constants) { + GLuint nr = p->nr_constants; + + I915_ACTIVESTATE(i915, I915_UPLOAD_CONSTANTS, 1); + I915_STATECHANGE(i915, I915_UPLOAD_CONSTANTS); + + i915->state.Constant[0] = _3DSTATE_PIXEL_SHADER_CONSTANTS | ((nr) * 4); + i915->state.Constant[1] = (1 << (nr - 1)) | ((1 << (nr - 1)) - 1); + + memcpy(&i915->state.Constant[2], p->constant, 4 * sizeof(int) * (nr)); + i915->state.ConstantSize = 2 + (nr) * 4; + + if (0) { + GLuint i; + for (i = 0; i < nr; i++) { + fprintf(stderr, "const[%d]: %f %f %f %f\n", i, + p->constant[i][0], + p->constant[i][1], p->constant[i][2], p->constant[i][3]); + } + } + } + else { + I915_ACTIVESTATE(i915, I915_UPLOAD_CONSTANTS, 0); + } + + p->on_hardware = 1; +} -- cgit v1.2.3