diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/i915_fragprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/i915_fragprog.c | 1073 |
1 files changed, 0 insertions, 1073 deletions
diff --git a/src/mesa/drivers/dri/i915tex/i915_fragprog.c b/src/mesa/drivers/dri/i915tex/i915_fragprog.c deleted file mode 100644 index a4b22a0c32..0000000000 --- a/src/mesa/drivers/dri/i915tex/i915_fragprog.c +++ /dev/null @@ -1,1073 +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 "glheader.h" -#include "macros.h" -#include "enums.h" - -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "intel_batchbuffer.h" - -#include "i915_reg.h" -#include "i915_context.h" -#include "i915_program.h" - -#include "prog_instruction.h" -#include "prog_parameter.h" -#include "program.h" -#include "programopt.h" - - - -/* 1, -1/3!, 1/5!, -1/7! */ -static const GLfloat sin_constants[4] = { 1.0, - -1.0 / (3 * 2 * 1), - 1.0 / (5 * 4 * 3 * 2 * 1), - -1.0 / (7 * 6 * 5 * 4 * 3 * 2 * 1) -}; - -/* 1, -1/2!, 1/4!, -1/6! */ -static const GLfloat cos_constants[4] = { 1.0, - -1.0 / (2 * 1), - 1.0 / (4 * 3 * 2 * 1), - -1.0 / (6 * 5 * 4 * 3 * 2 * 1) -}; - -/** - * Retrieve a ureg for the given source register. Will emit - * constants, apply swizzling and negation as needed. - */ -static GLuint -src_vector(struct i915_fragment_program *p, - const struct prog_src_register *source, - const struct gl_fragment_program *program) -{ - GLuint src; - - switch (source->File) { - - /* Registers: - */ - case PROGRAM_TEMPORARY: - if (source->Index >= I915_MAX_TEMPORARY) { - i915_program_error(p, "Exceeded max temporary reg"); - return 0; - } - src = UREG(REG_TYPE_R, source->Index); - break; - case PROGRAM_INPUT: - switch (source->Index) { - case FRAG_ATTRIB_WPOS: - src = i915_emit_decl(p, REG_TYPE_T, p->wpos_tex, D0_CHANNEL_ALL); - break; - case FRAG_ATTRIB_COL0: - src = i915_emit_decl(p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL); - break; - case FRAG_ATTRIB_COL1: - src = i915_emit_decl(p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_XYZ); - src = swizzle(src, X, Y, Z, ONE); - break; - case FRAG_ATTRIB_FOGC: - src = i915_emit_decl(p, REG_TYPE_T, T_FOG_W, D0_CHANNEL_W); - src = swizzle(src, W, W, W, W); - break; - case FRAG_ATTRIB_TEX0: - case FRAG_ATTRIB_TEX1: - case FRAG_ATTRIB_TEX2: - case FRAG_ATTRIB_TEX3: - case FRAG_ATTRIB_TEX4: - case FRAG_ATTRIB_TEX5: - case FRAG_ATTRIB_TEX6: - case FRAG_ATTRIB_TEX7: - src = i915_emit_decl(p, REG_TYPE_T, - T_TEX0 + (source->Index - FRAG_ATTRIB_TEX0), - D0_CHANNEL_ALL); - break; - - default: - i915_program_error(p, "Bad source->Index"); - return 0; - } - break; - - /* Various paramters and env values. All emitted to - * hardware as program constants. - */ - case PROGRAM_LOCAL_PARAM: - src = i915_emit_param4fv(p, program->Base.LocalParams[source->Index]); - break; - - case PROGRAM_ENV_PARAM: - src = - i915_emit_param4fv(p, - p->ctx->FragmentProgram.Parameters[source-> - Index]); - break; - - case PROGRAM_CONSTANT: - case PROGRAM_STATE_VAR: - case PROGRAM_NAMED_PARAM: - src = - i915_emit_param4fv(p, - program->Base.Parameters->ParameterValues[source-> - Index]); - break; - - default: - i915_program_error(p, "Bad source->File"); - return 0; - } - - src = swizzle(src, - GET_SWZ(source->Swizzle, 0), - GET_SWZ(source->Swizzle, 1), - GET_SWZ(source->Swizzle, 2), GET_SWZ(source->Swizzle, 3)); - - if (source->NegateBase) - src = negate(src, - GET_BIT(source->NegateBase, 0), - GET_BIT(source->NegateBase, 1), - GET_BIT(source->NegateBase, 2), - GET_BIT(source->NegateBase, 3)); - - return src; -} - - -static GLuint -get_result_vector(struct i915_fragment_program *p, - const struct prog_instruction *inst) -{ - switch (inst->DstReg.File) { - case PROGRAM_OUTPUT: - switch (inst->DstReg.Index) { - case FRAG_RESULT_COLR: - return UREG(REG_TYPE_OC, 0); - case FRAG_RESULT_DEPR: - p->depth_written = 1; - return UREG(REG_TYPE_OD, 0); - default: - i915_program_error(p, "Bad inst->DstReg.Index"); - return 0; - } - case PROGRAM_TEMPORARY: - return UREG(REG_TYPE_R, inst->DstReg.Index); - default: - i915_program_error(p, "Bad inst->DstReg.File"); - return 0; - } -} - -static GLuint -get_result_flags(const struct prog_instruction *inst) -{ - GLuint flags = 0; - - if (inst->SaturateMode == SATURATE_ZERO_ONE) - flags |= A0_DEST_SATURATE; - if (inst->DstReg.WriteMask & WRITEMASK_X) - flags |= A0_DEST_CHANNEL_X; - if (inst->DstReg.WriteMask & WRITEMASK_Y) - flags |= A0_DEST_CHANNEL_Y; - if (inst->DstReg.WriteMask & WRITEMASK_Z) - flags |= A0_DEST_CHANNEL_Z; - if (inst->DstReg.WriteMask & WRITEMASK_W) - flags |= A0_DEST_CHANNEL_W; - - return flags; -} - -static GLuint -translate_tex_src_target(struct i915_fragment_program *p, GLubyte bit) -{ - switch (bit) { - case TEXTURE_1D_INDEX: - return D0_SAMPLE_TYPE_2D; - case TEXTURE_2D_INDEX: - return D0_SAMPLE_TYPE_2D; - case TEXTURE_RECT_INDEX: - return D0_SAMPLE_TYPE_2D; - case TEXTURE_3D_INDEX: - return D0_SAMPLE_TYPE_VOLUME; - case TEXTURE_CUBE_INDEX: - return D0_SAMPLE_TYPE_CUBE; - default: - i915_program_error(p, "TexSrcBit"); - return 0; - } -} - -#define EMIT_TEX( OP ) \ -do { \ - GLuint dim = translate_tex_src_target( p, inst->TexSrcTarget ); \ - GLuint sampler = i915_emit_decl(p, REG_TYPE_S, \ - inst->TexSrcUnit, dim); \ - GLuint coord = src_vector( p, &inst->SrcReg[0], program); \ - /* Texel lookup */ \ - \ - i915_emit_texld( p, \ - get_result_vector( p, inst ), \ - get_result_flags( inst ), \ - sampler, \ - coord, \ - OP); \ -} while (0) - -#define EMIT_ARITH( OP, N ) \ -do { \ - i915_emit_arith( p, \ - OP, \ - get_result_vector( p, inst ), \ - get_result_flags( inst ), 0, \ - (N<1)?0:src_vector( p, &inst->SrcReg[0], program), \ - (N<2)?0:src_vector( p, &inst->SrcReg[1], program), \ - (N<3)?0:src_vector( p, &inst->SrcReg[2], program)); \ -} while (0) - -#define EMIT_1ARG_ARITH( OP ) EMIT_ARITH( OP, 1 ) -#define EMIT_2ARG_ARITH( OP ) EMIT_ARITH( OP, 2 ) -#define EMIT_3ARG_ARITH( OP ) EMIT_ARITH( OP, 3 ) - - -/* Possible concerns: - * - * SIN, COS -- could use another taylor step? - * LIT -- results seem a little different to sw mesa - * LOG -- different to mesa on negative numbers, but this is conformant. - * - * Parse failures -- Mesa doesn't currently give a good indication - * internally whether a particular program string parsed or not. This - * can lead to confusion -- hopefully we cope with it ok now. - * - */ -static void -upload_program(struct i915_fragment_program *p) -{ - const struct gl_fragment_program *program = - p->ctx->FragmentProgram._Current; - const struct prog_instruction *inst = program->Base.Instructions; - -/* _mesa_debug_fp_inst(program->Base.NumInstructions, inst); */ - - /* Is this a parse-failed program? Ensure a valid program is - * loaded, as the flagging of an error isn't sufficient to stop - * this being uploaded to hardware. - */ - if (inst[0].Opcode == OPCODE_END) { - GLuint tmp = i915_get_utemp(p); - i915_emit_arith(p, - A0_MOV, - UREG(REG_TYPE_OC, 0), - A0_DEST_CHANNEL_ALL, 0, - swizzle(tmp, ONE, ZERO, ONE, ONE), 0, 0); - return; - } - - while (1) { - GLuint src0, src1, src2, flags; - GLuint tmp = 0; - - switch (inst->Opcode) { - case OPCODE_ABS: - src0 = src_vector(p, &inst->SrcReg[0], program); - i915_emit_arith(p, - A0_MAX, - get_result_vector(p, inst), - get_result_flags(inst), 0, - src0, negate(src0, 1, 1, 1, 1), 0); - break; - - case OPCODE_ADD: - EMIT_2ARG_ARITH(A0_ADD); - break; - - case OPCODE_CMP: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - src2 = src_vector(p, &inst->SrcReg[2], program); - i915_emit_arith(p, A0_CMP, get_result_vector(p, inst), get_result_flags(inst), 0, src0, src2, src1); /* NOTE: order of src2, src1 */ - break; - - case OPCODE_COS: - src0 = src_vector(p, &inst->SrcReg[0], program); - tmp = i915_get_utemp(p); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_X, 0, - src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0); - - i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0); - - /* By choosing different taylor constants, could get rid of this mul: - */ - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_X, 0, - tmp, i915_emit_const1f(p, (M_PI * 2)), 0); - - /* - * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1 - * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, 1 - * t0 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1 - * result = DP4 t0, cos_constants - */ - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_XY, 0, - swizzle(tmp, X, X, ONE, ONE), - swizzle(tmp, X, ONE, ONE, ONE), 0); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_XYZ, 0, - swizzle(tmp, X, Y, X, ONE), - swizzle(tmp, X, X, ONE, ONE), 0); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_XYZ, 0, - swizzle(tmp, X, X, Z, ONE), - swizzle(tmp, Z, ONE, ONE, ONE), 0); - - i915_emit_arith(p, - A0_DP4, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(tmp, ONE, Z, Y, X), - i915_emit_const4fv(p, cos_constants), 0); - - break; - - case OPCODE_DP3: - EMIT_2ARG_ARITH(A0_DP3); - break; - - case OPCODE_DP4: - EMIT_2ARG_ARITH(A0_DP4); - break; - - case OPCODE_DPH: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - - i915_emit_arith(p, - A0_DP4, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(src0, X, Y, Z, ONE), src1, 0); - break; - - case OPCODE_DST: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - - /* result[0] = 1 * 1; - * result[1] = a[1] * b[1]; - * result[2] = a[2] * 1; - * result[3] = 1 * b[3]; - */ - i915_emit_arith(p, - A0_MUL, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(src0, ONE, Y, Z, ONE), - swizzle(src1, ONE, Y, ONE, W), 0); - break; - - case OPCODE_EX2: - src0 = src_vector(p, &inst->SrcReg[0], program); - - i915_emit_arith(p, - A0_EXP, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(src0, X, X, X, X), 0, 0); - break; - - case OPCODE_FLR: - EMIT_1ARG_ARITH(A0_FLR); - break; - - case OPCODE_FRC: - EMIT_1ARG_ARITH(A0_FRC); - break; - - case OPCODE_KIL: - src0 = src_vector(p, &inst->SrcReg[0], program); - tmp = i915_get_utemp(p); - - i915_emit_texld(p, tmp, A0_DEST_CHANNEL_ALL, /* use a dummy dest reg */ - 0, src0, T0_TEXKILL); - break; - - case OPCODE_LG2: - src0 = src_vector(p, &inst->SrcReg[0], program); - - i915_emit_arith(p, - A0_LOG, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(src0, X, X, X, X), 0, 0); - break; - - case OPCODE_LIT: - src0 = src_vector(p, &inst->SrcReg[0], program); - tmp = i915_get_utemp(p); - - /* tmp = max( a.xyzw, a.00zw ) - * XXX: Clamp tmp.w to -128..128 - * tmp.y = log(tmp.y) - * tmp.y = tmp.w * tmp.y - * tmp.y = exp(tmp.y) - * result = cmp (a.11-x1, a.1x01, a.1xy1 ) - */ - i915_emit_arith(p, A0_MAX, tmp, A0_DEST_CHANNEL_ALL, 0, - src0, swizzle(src0, ZERO, ZERO, Z, W), 0); - - i915_emit_arith(p, A0_LOG, tmp, A0_DEST_CHANNEL_Y, 0, - swizzle(tmp, Y, Y, Y, Y), 0, 0); - - i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_Y, 0, - swizzle(tmp, ZERO, Y, ZERO, ZERO), - swizzle(tmp, ZERO, W, ZERO, ZERO), 0); - - i915_emit_arith(p, A0_EXP, tmp, A0_DEST_CHANNEL_Y, 0, - swizzle(tmp, Y, Y, Y, Y), 0, 0); - - i915_emit_arith(p, A0_CMP, - get_result_vector(p, inst), - get_result_flags(inst), 0, - negate(swizzle(tmp, ONE, ONE, X, ONE), 0, 0, 1, 0), - swizzle(tmp, ONE, X, ZERO, ONE), - swizzle(tmp, ONE, X, Y, ONE)); - - break; - - case OPCODE_LRP: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - src2 = src_vector(p, &inst->SrcReg[2], program); - flags = get_result_flags(inst); - tmp = i915_get_utemp(p); - - /* b*a + c*(1-a) - * - * b*a + c - ca - * - * tmp = b*a + c, - * result = (-c)*a + tmp - */ - i915_emit_arith(p, A0_MAD, tmp, - flags & A0_DEST_CHANNEL_ALL, 0, src1, src0, src2); - - i915_emit_arith(p, A0_MAD, - get_result_vector(p, inst), - flags, 0, negate(src2, 1, 1, 1, 1), src0, tmp); - break; - - case OPCODE_MAD: - EMIT_3ARG_ARITH(A0_MAD); - break; - - case OPCODE_MAX: - EMIT_2ARG_ARITH(A0_MAX); - break; - - case OPCODE_MIN: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - tmp = i915_get_utemp(p); - flags = get_result_flags(inst); - - i915_emit_arith(p, - A0_MAX, - tmp, flags & A0_DEST_CHANNEL_ALL, 0, - negate(src0, 1, 1, 1, 1), - negate(src1, 1, 1, 1, 1), 0); - - i915_emit_arith(p, - A0_MOV, - get_result_vector(p, inst), - flags, 0, negate(tmp, 1, 1, 1, 1), 0, 0); - break; - - case OPCODE_MOV: - EMIT_1ARG_ARITH(A0_MOV); - break; - - case OPCODE_MUL: - EMIT_2ARG_ARITH(A0_MUL); - break; - - case OPCODE_POW: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - tmp = i915_get_utemp(p); - flags = get_result_flags(inst); - - /* XXX: masking on intermediate values, here and elsewhere. - */ - i915_emit_arith(p, - A0_LOG, - tmp, A0_DEST_CHANNEL_X, 0, - swizzle(src0, X, X, X, X), 0, 0); - - i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_X, 0, tmp, src1, 0); - - - i915_emit_arith(p, - A0_EXP, - get_result_vector(p, inst), - flags, 0, swizzle(tmp, X, X, X, X), 0, 0); - - break; - - case OPCODE_RCP: - src0 = src_vector(p, &inst->SrcReg[0], program); - - i915_emit_arith(p, - A0_RCP, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(src0, X, X, X, X), 0, 0); - break; - - case OPCODE_RSQ: - - src0 = src_vector(p, &inst->SrcReg[0], program); - - i915_emit_arith(p, - A0_RSQ, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(src0, X, X, X, X), 0, 0); - break; - - case OPCODE_SCS: - src0 = src_vector(p, &inst->SrcReg[0], program); - tmp = i915_get_utemp(p); - - /* - * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1 - * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x - * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x - * scs.x = DP4 t1, sin_constants - * t1 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1 - * scs.y = DP4 t1, cos_constants - */ - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_XY, 0, - swizzle(src0, X, X, ONE, ONE), - swizzle(src0, X, ONE, ONE, ONE), 0); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_ALL, 0, - swizzle(tmp, X, Y, X, Y), - swizzle(tmp, X, X, ONE, ONE), 0); - - if (inst->DstReg.WriteMask & WRITEMASK_Y) { - GLuint tmp1; - - if (inst->DstReg.WriteMask & WRITEMASK_X) - tmp1 = i915_get_utemp(p); - else - tmp1 = tmp; - - i915_emit_arith(p, - A0_MUL, - tmp1, A0_DEST_CHANNEL_ALL, 0, - swizzle(tmp, X, Y, Y, W), - swizzle(tmp, X, Z, ONE, ONE), 0); - - i915_emit_arith(p, - A0_DP4, - get_result_vector(p, inst), - A0_DEST_CHANNEL_Y, 0, - swizzle(tmp1, W, Z, Y, X), - i915_emit_const4fv(p, sin_constants), 0); - } - - if (inst->DstReg.WriteMask & WRITEMASK_X) { - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_XYZ, 0, - swizzle(tmp, X, X, Z, ONE), - swizzle(tmp, Z, ONE, ONE, ONE), 0); - - i915_emit_arith(p, - A0_DP4, - get_result_vector(p, inst), - A0_DEST_CHANNEL_X, 0, - swizzle(tmp, ONE, Z, Y, X), - i915_emit_const4fv(p, cos_constants), 0); - } - break; - - case OPCODE_SGE: - EMIT_2ARG_ARITH(A0_SGE); - break; - - case OPCODE_SIN: - src0 = src_vector(p, &inst->SrcReg[0], program); - tmp = i915_get_utemp(p); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_X, 0, - src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0); - - i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0); - - /* By choosing different taylor constants, could get rid of this mul: - */ - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_X, 0, - tmp, i915_emit_const1f(p, (M_PI * 2)), 0); - - /* - * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1 - * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x - * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x - * result = DP4 t1.wzyx, sin_constants - */ - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_XY, 0, - swizzle(tmp, X, X, ONE, ONE), - swizzle(tmp, X, ONE, ONE, ONE), 0); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_ALL, 0, - swizzle(tmp, X, Y, X, Y), - swizzle(tmp, X, X, ONE, ONE), 0); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_ALL, 0, - swizzle(tmp, X, Y, Y, W), - swizzle(tmp, X, Z, ONE, ONE), 0); - - i915_emit_arith(p, - A0_DP4, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(tmp, W, Z, Y, X), - i915_emit_const4fv(p, sin_constants), 0); - break; - - case OPCODE_SLT: - EMIT_2ARG_ARITH(A0_SLT); - break; - - case OPCODE_SUB: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - - i915_emit_arith(p, - A0_ADD, - get_result_vector(p, inst), - get_result_flags(inst), 0, - src0, negate(src1, 1, 1, 1, 1), 0); - break; - - case OPCODE_SWZ: - EMIT_1ARG_ARITH(A0_MOV); /* extended swizzle handled natively */ - break; - - case OPCODE_TEX: - EMIT_TEX(T0_TEXLD); - break; - - case OPCODE_TXB: - EMIT_TEX(T0_TEXLDB); - break; - - case OPCODE_TXP: - EMIT_TEX(T0_TEXLDP); - break; - - case OPCODE_XPD: - /* Cross product: - * result.x = src0.y * src1.z - src0.z * src1.y; - * result.y = src0.z * src1.x - src0.x * src1.z; - * result.z = src0.x * src1.y - src0.y * src1.x; - * result.w = undef; - */ - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - tmp = i915_get_utemp(p); - - i915_emit_arith(p, - A0_MUL, - tmp, A0_DEST_CHANNEL_ALL, 0, - swizzle(src0, Z, X, Y, ONE), - swizzle(src1, Y, Z, X, ONE), 0); - - i915_emit_arith(p, - A0_MAD, - get_result_vector(p, inst), - get_result_flags(inst), 0, - swizzle(src0, Y, Z, X, ONE), - swizzle(src1, Z, X, Y, ONE), - negate(tmp, 1, 1, 1, 0)); - break; - - case OPCODE_END: - return; - - default: - i915_program_error(p, "bad opcode"); - return; - } - - inst++; - i915_release_utemps(p); - } -} - -/* Rather than trying to intercept and jiggle depth writes during - * emit, just move the value into its correct position at the end of - * the program: - */ -static void -fixup_depth_write(struct i915_fragment_program *p) -{ - if (p->depth_written) { - GLuint depth = UREG(REG_TYPE_OD, 0); - - i915_emit_arith(p, - A0_MOV, - depth, A0_DEST_CHANNEL_W, 0, - swizzle(depth, X, Y, Z, Z), 0, 0); - } -} - - -static void -check_wpos(struct i915_fragment_program *p) -{ - GLuint inputs = p->FragProg.Base.InputsRead; - GLint i; - - p->wpos_tex = -1; - - for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) { - if (inputs & FRAG_BIT_TEX(i)) - continue; - else if (inputs & FRAG_BIT_WPOS) { - p->wpos_tex = i; - inputs &= ~FRAG_BIT_WPOS; - } - } - - if (inputs & FRAG_BIT_WPOS) { - i915_program_error(p, "No free texcoord for wpos value"); - } -} - - -static void -translate_program(struct i915_fragment_program *p) -{ - struct i915_context *i915 = I915_CONTEXT(p->ctx); - - i915_init_program(i915, p); - check_wpos(p); - upload_program(p); - fixup_depth_write(p); - i915_fini_program(p); - - p->translated = 1; -} - - -static void -track_params(struct i915_fragment_program *p) -{ - GLint i; - - if (p->nr_params) - _mesa_load_state_parameters(p->ctx, p->FragProg.Base.Parameters); - - for (i = 0; i < p->nr_params; i++) { - GLint reg = p->param[i].reg; - COPY_4V(p->constant[reg], p->param[i].values); - } - - p->params_uptodate = 1; - p->on_hardware = 0; /* overkill */ -} - - -static void -i915BindProgram(GLcontext * ctx, GLenum target, struct gl_program *prog) -{ - if (target == GL_FRAGMENT_PROGRAM_ARB) { - struct i915_context *i915 = I915_CONTEXT(ctx); - struct i915_fragment_program *p = (struct i915_fragment_program *) prog; - - if (i915->current_program == p) - return; - - if (i915->current_program) { - i915->current_program->on_hardware = 0; - i915->current_program->params_uptodate = 0; - } - - i915->current_program = p; - - assert(p->on_hardware == 0); - assert(p->params_uptodate == 0); - - } -} - -static struct gl_program * -i915NewProgram(GLcontext * ctx, GLenum target, GLuint id) -{ - switch (target) { - case GL_VERTEX_PROGRAM_ARB: - return _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program), - target, id); - - case GL_FRAGMENT_PROGRAM_ARB:{ - struct i915_fragment_program *prog = - CALLOC_STRUCT(i915_fragment_program); - if (prog) { - i915_init_program(I915_CONTEXT(ctx), prog); - - return _mesa_init_fragment_program(ctx, &prog->FragProg, - target, id); - } - else - return NULL; - } - - default: - /* Just fallback: - */ - return _mesa_new_program(ctx, target, id); - } -} - -static void -i915DeleteProgram(GLcontext * ctx, struct gl_program *prog) -{ - if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) { - struct i915_context *i915 = I915_CONTEXT(ctx); - struct i915_fragment_program *p = (struct i915_fragment_program *) prog; - - if (i915->current_program == p) - i915->current_program = 0; - } - - _mesa_delete_program(ctx, prog); -} - - -static GLboolean -i915IsProgramNative(GLcontext * ctx, GLenum target, struct gl_program *prog) -{ - if (target == GL_FRAGMENT_PROGRAM_ARB) { - struct i915_fragment_program *p = (struct i915_fragment_program *) prog; - - if (!p->translated) - translate_program(p); - - return !p->error; - } - else - return GL_TRUE; -} - -static void -i915ProgramStringNotify(GLcontext * ctx, - GLenum target, struct gl_program *prog) -{ - if (target == GL_FRAGMENT_PROGRAM_ARB) { - struct i915_fragment_program *p = (struct i915_fragment_program *) prog; - p->translated = 0; - - /* Hack: make sure fog is correctly enabled according to this - * fragment program's fog options. - */ - if (p->FragProg.FogOption) { - /* add extra instructions to do fog, then turn off FogOption field */ - _mesa_append_fog_code(ctx, &p->FragProg); - p->FragProg.FogOption = GL_NONE; - } - } - - _tnl_program_string(ctx, target, prog); -} - - -void -i915ValidateFragmentProgram(struct i915_context *i915) -{ - GLcontext *ctx = &i915->intel.ctx; - struct intel_context *intel = intel_context(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - - struct i915_fragment_program *p = - (struct i915_fragment_program *) ctx->FragmentProgram._Current; - - const GLuint inputsRead = p->FragProg.Base.InputsRead; - GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK; - GLuint s2 = S2_TEXCOORD_NONE; - int i, offset = 0; - - if (i915->current_program != p) { - if (i915->current_program) { - i915->current_program->on_hardware = 0; - i915->current_program->params_uptodate = 0; - } - - i915->current_program = p; - } - - - /* Important: - */ - VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr; - - if (!p->translated) - translate_program(p); - - intel->vertex_attr_count = 0; - intel->wpos_offset = 0; - intel->wpos_size = 0; - intel->coloroffset = 0; - intel->specoffset = 0; - - if (inputsRead & FRAG_BITS_TEX_ANY) { - EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16); - } - else { - EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, S4_VFMT_XYZ, 12); - } - - if (inputsRead & FRAG_BIT_COL0) { - intel->coloroffset = offset / 4; - EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4); - } - - if ((inputsRead & (FRAG_BIT_COL1 | FRAG_BIT_FOGC)) || - i915->vertex_fog != I915_FOG_NONE) { - - if (inputsRead & FRAG_BIT_COL1) { - intel->specoffset = offset / 4; - EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, S4_VFMT_SPEC_FOG, 3); - } - else - EMIT_PAD(3); - - if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE) - EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1UB_1F, S4_VFMT_SPEC_FOG, 1); - else - EMIT_PAD(1); - } - - /* XXX this was disabled, but enabling this code helped fix the Glean - * tfragprog1 fog tests. - */ -#if 1 - if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE) { - EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4); - } -#endif - - for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) { - if (inputsRead & FRAG_BIT_TEX(i)) { - int sz = VB->TexCoordPtr[i]->size; - - s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK); - s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz)); - - EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, EMIT_SZ(sz), 0, sz * 4); - } - else if (i == p->wpos_tex) { - - /* If WPOS is required, duplicate the XYZ position data in an - * unused texture coordinate: - */ - s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK); - s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(3)); - - intel->wpos_offset = offset; - intel->wpos_size = 3 * sizeof(GLuint); - - EMIT_PAD(intel->wpos_size); - } - } - - if (s2 != i915->state.Ctx[I915_CTXREG_LIS2] || - s4 != i915->state.Ctx[I915_CTXREG_LIS4]) { - int k; - - I915_STATECHANGE(i915, I915_UPLOAD_CTX); - - /* Must do this *after* statechange, so as not to affect - * buffered vertices reliant on the old state: - */ - intel->vertex_size = _tnl_install_attrs(&intel->ctx, - intel->vertex_attrs, - intel->vertex_attr_count, - intel->ViewportMatrix.m, 0); - - intel->vertex_size >>= 2; - - i915->state.Ctx[I915_CTXREG_LIS2] = s2; - i915->state.Ctx[I915_CTXREG_LIS4] = s4; - - k = intel->vtbl.check_vertex_size(intel, intel->vertex_size); - assert(k); - } - - if (!p->params_uptodate) - track_params(p); - - if (!p->on_hardware) - i915_upload_program(i915, p); -} - -void -i915InitFragProgFuncs(struct dd_function_table *functions) -{ - functions->BindProgram = i915BindProgram; - functions->NewProgram = i915NewProgram; - functions->DeleteProgram = i915DeleteProgram; - functions->IsProgramNative = i915IsProgramNative; - functions->ProgramStringNotify = i915ProgramStringNotify; -} |