diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915-tex/i915_fragprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915-tex/i915_fragprog.c | 1066 |
1 files changed, 0 insertions, 1066 deletions
diff --git a/src/mesa/drivers/dri/i915-tex/i915_fragprog.c b/src/mesa/drivers/dri/i915-tex/i915_fragprog.c deleted file mode 100644 index f05d90298d7..00000000000 --- a/src/mesa/drivers/dri/i915-tex/i915_fragprog.c +++ /dev/null @@ -1,1066 +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/t_context.h" -#include "intel_batchbuffer.h" - -#include "i915_reg.h" -#include "i915_context.h" -#include "i915_program.h" - -#include "program_instruction.h" -#include "program.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 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_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 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); - } -} - - -#define FRAG_BIT_TEX(n) (FRAG_BIT_TEX0 << (n)) - - -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 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); - - /* Hack: make sure fog is correctly enabled according to this - * fragment program's fog options. - */ - ctx->Driver.Enable( ctx, GL_FRAGMENT_PROGRAM_ARB, - ctx->FragmentProgram.Enabled ); - } -} - -static struct program *i915NewProgram( GLcontext *ctx, - GLenum target, - GLuint id ) -{ - switch (target) { - case GL_VERTEX_PROGRAM_ARB: - return _mesa_init_vertex_program( ctx, CALLOC_STRUCT(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 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 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 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. - */ - ctx->Driver.Enable( ctx, GL_FRAGMENT_PROGRAM_ARB, - ctx->FragmentProgram.Enabled ); - } -} - - -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; - - /* 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 ); - } - -#if 0 - 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; -} |