diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/i915_program.c')
-rw-r--r-- | src/mesa/drivers/dri/i915/i915_program.c | 499 |
1 files changed, 0 insertions, 499 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_program.c b/src/mesa/drivers/dri/i915/i915_program.c deleted file mode 100644 index 6849112444..0000000000 --- a/src/mesa/drivers/dri/i915/i915_program.c +++ /dev/null @@ -1,499 +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 <strings.h> - -#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_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)) - - -#define I915_CONSTFLAG_PARAM 0x1f - -GLuint i915_get_temp( struct i915_fragment_program *p ) -{ - int bit = ffs( ~p->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); - assert(dest = UREG(GET_UREG_TYPE(dest), GET_UREG_NR(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 ) -{ - _mesa_problem(NULL, "i915_program_error: %s", msg); - p->error = 1; -} - -void i915_init_program( i915ContextPtr 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.Base.NumNativeAluInstructions = 0; - p->FragProg.Base.NumNativeTexInstructions = 0; - p->FragProg.Base.NumNativeTexIndirections = 0; - } - else { - p->FragProg.Base.NumNativeInstructions = (p->nr_alu_insn + - p->nr_tex_insn + - p->nr_decl_insn); - p->FragProg.Base.NumNativeAluInstructions = p->nr_alu_insn; - p->FragProg.Base.NumNativeTexInstructions = p->nr_tex_insn; - p->FragProg.Base.NumNativeTexIndirections = p->nr_tex_indirect; - } - - p->declarations[0] |= program_size + decl_size - 2; -} - -void i915_upload_program( i915ContextPtr 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; -} |