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/**************************************************************************
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#include "tnl/t_context.h"
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#include "intel_batchbuffer.h"
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#include "i915_context.h"
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#include "i915_program.h"
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#include "program_instruction.h"
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#include "programopt.h"
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/* 1, -1/3!, 1/5!, -1/7! */
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static const GLfloat sin_constants[4] = { 1.0,
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1.0 / (5 * 4 * 3 * 2 * 1),
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-1.0 / (7 * 6 * 5 * 4 * 3 * 2 * 1)
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/* 1, -1/2!, 1/4!, -1/6! */
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static const GLfloat cos_constants[4] = { 1.0,
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1.0 / (4 * 3 * 2 * 1),
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-1.0 / (6 * 5 * 4 * 3 * 2 * 1)
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* Retrieve a ureg for the given source register. Will emit
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* constants, apply swizzling and negation as needed.
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src_vector(struct i915_fragment_program *p,
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const struct prog_src_register *source,
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const struct gl_fragment_program *program)
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switch (source->File) {
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case PROGRAM_TEMPORARY:
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if (source->Index >= I915_MAX_TEMPORARY) {
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i915_program_error(p, "Exceeded max temporary reg");
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src = UREG(REG_TYPE_R, source->Index);
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switch (source->Index) {
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case FRAG_ATTRIB_WPOS:
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src = i915_emit_decl(p, REG_TYPE_T, p->wpos_tex, D0_CHANNEL_ALL);
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case FRAG_ATTRIB_COL0:
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src = i915_emit_decl(p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL);
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case FRAG_ATTRIB_COL1:
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src = i915_emit_decl(p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_XYZ);
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src = swizzle(src, X, Y, Z, ONE);
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case FRAG_ATTRIB_FOGC:
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src = i915_emit_decl(p, REG_TYPE_T, T_FOG_W, D0_CHANNEL_W);
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src = swizzle(src, W, W, W, W);
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case FRAG_ATTRIB_TEX0:
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case FRAG_ATTRIB_TEX1:
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case FRAG_ATTRIB_TEX2:
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case FRAG_ATTRIB_TEX3:
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case FRAG_ATTRIB_TEX4:
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case FRAG_ATTRIB_TEX5:
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case FRAG_ATTRIB_TEX6:
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case FRAG_ATTRIB_TEX7:
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src = i915_emit_decl(p, REG_TYPE_T,
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T_TEX0 + (source->Index - FRAG_ATTRIB_TEX0),
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i915_program_error(p, "Bad source->Index");
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/* Various paramters and env values. All emitted to
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* hardware as program constants.
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case PROGRAM_LOCAL_PARAM:
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src = i915_emit_param4fv(p, program->Base.LocalParams[source->Index]);
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case PROGRAM_ENV_PARAM:
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i915_emit_param4fv(p,
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p->ctx->FragmentProgram.Parameters[source->
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case PROGRAM_CONSTANT:
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case PROGRAM_STATE_VAR:
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case PROGRAM_NAMED_PARAM:
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i915_emit_param4fv(p,
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program->Base.Parameters->ParameterValues[source->
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i915_program_error(p, "Bad source->File");
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GET_SWZ(source->Swizzle, 0),
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GET_SWZ(source->Swizzle, 1),
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GET_SWZ(source->Swizzle, 2), GET_SWZ(source->Swizzle, 3));
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if (source->NegateBase)
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GET_BIT(source->NegateBase, 0),
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GET_BIT(source->NegateBase, 1),
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GET_BIT(source->NegateBase, 2),
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GET_BIT(source->NegateBase, 3));
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get_result_vector(struct i915_fragment_program *p,
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const struct prog_instruction *inst)
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switch (inst->DstReg.File) {
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switch (inst->DstReg.Index) {
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case FRAG_RESULT_COLR:
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return UREG(REG_TYPE_OC, 0);
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case FRAG_RESULT_DEPR:
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p->depth_written = 1;
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return UREG(REG_TYPE_OD, 0);
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i915_program_error(p, "Bad inst->DstReg.Index");
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case PROGRAM_TEMPORARY:
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return UREG(REG_TYPE_R, inst->DstReg.Index);
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i915_program_error(p, "Bad inst->DstReg.File");
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get_result_flags(const struct prog_instruction *inst)
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if (inst->SaturateMode == SATURATE_ZERO_ONE)
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flags |= A0_DEST_SATURATE;
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if (inst->DstReg.WriteMask & WRITEMASK_X)
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flags |= A0_DEST_CHANNEL_X;
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if (inst->DstReg.WriteMask & WRITEMASK_Y)
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flags |= A0_DEST_CHANNEL_Y;
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if (inst->DstReg.WriteMask & WRITEMASK_Z)
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flags |= A0_DEST_CHANNEL_Z;
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if (inst->DstReg.WriteMask & WRITEMASK_W)
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flags |= A0_DEST_CHANNEL_W;
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translate_tex_src_target(struct i915_fragment_program *p, GLubyte bit)
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case TEXTURE_1D_INDEX:
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return D0_SAMPLE_TYPE_2D;
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case TEXTURE_2D_INDEX:
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return D0_SAMPLE_TYPE_2D;
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case TEXTURE_RECT_INDEX:
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return D0_SAMPLE_TYPE_2D;
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case TEXTURE_3D_INDEX:
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return D0_SAMPLE_TYPE_VOLUME;
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case TEXTURE_CUBE_INDEX:
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return D0_SAMPLE_TYPE_CUBE;
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i915_program_error(p, "TexSrcBit");
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#define EMIT_TEX( OP ) \
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GLuint dim = translate_tex_src_target( p, inst->TexSrcTarget ); \
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GLuint sampler = i915_emit_decl(p, REG_TYPE_S, \
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inst->TexSrcUnit, dim); \
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GLuint coord = src_vector( p, &inst->SrcReg[0], program); \
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i915_emit_texld( p, \
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get_result_vector( p, inst ), \
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get_result_flags( inst ), \
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#define EMIT_ARITH( OP, N ) \
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i915_emit_arith( p, \
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get_result_vector( p, inst ), \
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get_result_flags( inst ), 0, \
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(N<1)?0:src_vector( p, &inst->SrcReg[0], program), \
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(N<2)?0:src_vector( p, &inst->SrcReg[1], program), \
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(N<3)?0:src_vector( p, &inst->SrcReg[2], program)); \
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#define EMIT_1ARG_ARITH( OP ) EMIT_ARITH( OP, 1 )
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#define EMIT_2ARG_ARITH( OP ) EMIT_ARITH( OP, 2 )
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#define EMIT_3ARG_ARITH( OP ) EMIT_ARITH( OP, 3 )
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/* Possible concerns:
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* SIN, COS -- could use another taylor step?
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* LIT -- results seem a little different to sw mesa
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* LOG -- different to mesa on negative numbers, but this is conformant.
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* Parse failures -- Mesa doesn't currently give a good indication
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* internally whether a particular program string parsed or not. This
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* can lead to confusion -- hopefully we cope with it ok now.
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upload_program(struct i915_fragment_program *p)
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const struct gl_fragment_program *program =
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p->ctx->FragmentProgram._Current;
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const struct prog_instruction *inst = program->Base.Instructions;
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/* _mesa_debug_fp_inst(program->Base.NumInstructions, inst); */
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/* Is this a parse-failed program? Ensure a valid program is
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* loaded, as the flagging of an error isn't sufficient to stop
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* this being uploaded to hardware.
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if (inst[0].Opcode == OPCODE_END) {
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GLuint tmp = i915_get_utemp(p);
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UREG(REG_TYPE_OC, 0),
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A0_DEST_CHANNEL_ALL, 0,
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swizzle(tmp, ONE, ZERO, ONE, ONE), 0, 0);
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GLuint src0, src1, src2, flags;
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switch (inst->Opcode) {
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src0 = src_vector(p, &inst->SrcReg[0], program);
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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src0, negate(src0, 1, 1, 1, 1), 0);
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EMIT_2ARG_ARITH(A0_ADD);
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src0 = src_vector(p, &inst->SrcReg[0], program);
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src1 = src_vector(p, &inst->SrcReg[1], program);
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src2 = src_vector(p, &inst->SrcReg[2], program);
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i915_emit_arith(p, A0_CMP, get_result_vector(p, inst), get_result_flags(inst), 0, src0, src2, src1); /* NOTE: order of src2, src1 */
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src0 = src_vector(p, &inst->SrcReg[0], program);
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tmp = i915_get_utemp(p);
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tmp, A0_DEST_CHANNEL_X, 0,
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src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0);
324
i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
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/* By choosing different taylor constants, could get rid of this mul:
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tmp, A0_DEST_CHANNEL_X, 0,
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tmp, i915_emit_const1f(p, (M_PI * 2)), 0);
334
* t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
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* t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, 1
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* t0 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
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* result = DP4 t0, cos_constants
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tmp, A0_DEST_CHANNEL_XY, 0,
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swizzle(tmp, X, X, ONE, ONE),
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swizzle(tmp, X, ONE, ONE, ONE), 0);
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tmp, A0_DEST_CHANNEL_XYZ, 0,
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swizzle(tmp, X, Y, X, ONE),
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swizzle(tmp, X, X, ONE, ONE), 0);
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tmp, A0_DEST_CHANNEL_XYZ, 0,
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swizzle(tmp, X, X, Z, ONE),
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swizzle(tmp, Z, ONE, ONE, ONE), 0);
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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swizzle(tmp, ONE, Z, Y, X),
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i915_emit_const4fv(p, cos_constants), 0);
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EMIT_2ARG_ARITH(A0_DP3);
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EMIT_2ARG_ARITH(A0_DP4);
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src0 = src_vector(p, &inst->SrcReg[0], program);
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src1 = src_vector(p, &inst->SrcReg[1], program);
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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swizzle(src0, X, Y, Z, ONE), src1, 0);
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src0 = src_vector(p, &inst->SrcReg[0], program);
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src1 = src_vector(p, &inst->SrcReg[1], program);
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/* result[0] = 1 * 1;
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* result[1] = a[1] * b[1];
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* result[2] = a[2] * 1;
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* result[3] = 1 * b[3];
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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swizzle(src0, ONE, Y, Z, ONE),
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swizzle(src1, ONE, Y, ONE, W), 0);
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src0 = src_vector(p, &inst->SrcReg[0], program);
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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swizzle(src0, X, X, X, X), 0, 0);
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EMIT_1ARG_ARITH(A0_FLR);
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EMIT_1ARG_ARITH(A0_FRC);
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src0 = src_vector(p, &inst->SrcReg[0], program);
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tmp = i915_get_utemp(p);
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i915_emit_texld(p, tmp, A0_DEST_CHANNEL_ALL, /* use a dummy dest reg */
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0, src0, T0_TEXKILL);
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src0 = src_vector(p, &inst->SrcReg[0], program);
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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swizzle(src0, X, X, X, X), 0, 0);
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src0 = src_vector(p, &inst->SrcReg[0], program);
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tmp = i915_get_utemp(p);
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/* tmp = max( a.xyzw, a.00zw )
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* XXX: Clamp tmp.w to -128..128
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* tmp.y = tmp.w * tmp.y
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* result = cmp (a.11-x1, a.1x01, a.1xy1 )
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i915_emit_arith(p, A0_MAX, tmp, A0_DEST_CHANNEL_ALL, 0,
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src0, swizzle(src0, ZERO, ZERO, Z, W), 0);
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i915_emit_arith(p, A0_LOG, tmp, A0_DEST_CHANNEL_Y, 0,
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swizzle(tmp, Y, Y, Y, Y), 0, 0);
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i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_Y, 0,
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swizzle(tmp, ZERO, Y, ZERO, ZERO),
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swizzle(tmp, ZERO, W, ZERO, ZERO), 0);
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i915_emit_arith(p, A0_EXP, tmp, A0_DEST_CHANNEL_Y, 0,
460
swizzle(tmp, Y, Y, Y, Y), 0, 0);
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i915_emit_arith(p, A0_CMP,
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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negate(swizzle(tmp, ONE, ONE, X, ONE), 0, 0, 1, 0),
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swizzle(tmp, ONE, X, ZERO, ONE),
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swizzle(tmp, ONE, X, Y, ONE));
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src0 = src_vector(p, &inst->SrcReg[0], program);
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src1 = src_vector(p, &inst->SrcReg[1], program);
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src2 = src_vector(p, &inst->SrcReg[2], program);
475
flags = get_result_flags(inst);
476
tmp = i915_get_utemp(p);
483
* result = (-c)*a + tmp
485
i915_emit_arith(p, A0_MAD, tmp,
486
flags & A0_DEST_CHANNEL_ALL, 0, src1, src0, src2);
488
i915_emit_arith(p, A0_MAD,
489
get_result_vector(p, inst),
490
flags, 0, negate(src2, 1, 1, 1, 1), src0, tmp);
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EMIT_3ARG_ARITH(A0_MAD);
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EMIT_2ARG_ARITH(A0_MAX);
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src0 = src_vector(p, &inst->SrcReg[0], program);
503
src1 = src_vector(p, &inst->SrcReg[1], program);
504
tmp = i915_get_utemp(p);
505
flags = get_result_flags(inst);
509
tmp, flags & A0_DEST_CHANNEL_ALL, 0,
510
negate(src0, 1, 1, 1, 1),
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negate(src1, 1, 1, 1, 1), 0);
515
get_result_vector(p, inst),
516
flags, 0, negate(tmp, 1, 1, 1, 1), 0, 0);
520
EMIT_1ARG_ARITH(A0_MOV);
524
EMIT_2ARG_ARITH(A0_MUL);
528
src0 = src_vector(p, &inst->SrcReg[0], program);
529
src1 = src_vector(p, &inst->SrcReg[1], program);
530
tmp = i915_get_utemp(p);
531
flags = get_result_flags(inst);
533
/* XXX: masking on intermediate values, here and elsewhere.
537
tmp, A0_DEST_CHANNEL_X, 0,
538
swizzle(src0, X, X, X, X), 0, 0);
540
i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_X, 0, tmp, src1, 0);
545
get_result_vector(p, inst),
546
flags, 0, swizzle(tmp, X, X, X, X), 0, 0);
551
src0 = src_vector(p, &inst->SrcReg[0], program);
555
get_result_vector(p, inst),
556
get_result_flags(inst), 0,
557
swizzle(src0, X, X, X, X), 0, 0);
562
src0 = src_vector(p, &inst->SrcReg[0], program);
566
get_result_vector(p, inst),
567
get_result_flags(inst), 0,
568
swizzle(src0, X, X, X, X), 0, 0);
572
src0 = src_vector(p, &inst->SrcReg[0], program);
573
tmp = i915_get_utemp(p);
576
* t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
577
* t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
578
* t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
579
* scs.x = DP4 t1, sin_constants
580
* t1 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
581
* scs.y = DP4 t1, cos_constants
585
tmp, A0_DEST_CHANNEL_XY, 0,
586
swizzle(src0, X, X, ONE, ONE),
587
swizzle(src0, X, ONE, ONE, ONE), 0);
591
tmp, A0_DEST_CHANNEL_ALL, 0,
592
swizzle(tmp, X, Y, X, Y),
593
swizzle(tmp, X, X, ONE, ONE), 0);
595
if (inst->DstReg.WriteMask & WRITEMASK_Y) {
598
if (inst->DstReg.WriteMask & WRITEMASK_X)
599
tmp1 = i915_get_utemp(p);
605
tmp1, A0_DEST_CHANNEL_ALL, 0,
606
swizzle(tmp, X, Y, Y, W),
607
swizzle(tmp, X, Z, ONE, ONE), 0);
611
get_result_vector(p, inst),
612
A0_DEST_CHANNEL_Y, 0,
613
swizzle(tmp1, W, Z, Y, X),
614
i915_emit_const4fv(p, sin_constants), 0);
617
if (inst->DstReg.WriteMask & WRITEMASK_X) {
620
tmp, A0_DEST_CHANNEL_XYZ, 0,
621
swizzle(tmp, X, X, Z, ONE),
622
swizzle(tmp, Z, ONE, ONE, ONE), 0);
626
get_result_vector(p, inst),
627
A0_DEST_CHANNEL_X, 0,
628
swizzle(tmp, ONE, Z, Y, X),
629
i915_emit_const4fv(p, cos_constants), 0);
634
EMIT_2ARG_ARITH(A0_SGE);
638
src0 = src_vector(p, &inst->SrcReg[0], program);
639
tmp = i915_get_utemp(p);
643
tmp, A0_DEST_CHANNEL_X, 0,
644
src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0);
646
i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
648
/* By choosing different taylor constants, could get rid of this mul:
652
tmp, A0_DEST_CHANNEL_X, 0,
653
tmp, i915_emit_const1f(p, (M_PI * 2)), 0);
656
* t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
657
* t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
658
* t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
659
* result = DP4 t1.wzyx, sin_constants
663
tmp, A0_DEST_CHANNEL_XY, 0,
664
swizzle(tmp, X, X, ONE, ONE),
665
swizzle(tmp, X, ONE, ONE, ONE), 0);
669
tmp, A0_DEST_CHANNEL_ALL, 0,
670
swizzle(tmp, X, Y, X, Y),
671
swizzle(tmp, X, X, ONE, ONE), 0);
675
tmp, A0_DEST_CHANNEL_ALL, 0,
676
swizzle(tmp, X, Y, Y, W),
677
swizzle(tmp, X, Z, ONE, ONE), 0);
681
get_result_vector(p, inst),
682
get_result_flags(inst), 0,
683
swizzle(tmp, W, Z, Y, X),
684
i915_emit_const4fv(p, sin_constants), 0);
688
EMIT_2ARG_ARITH(A0_SLT);
692
src0 = src_vector(p, &inst->SrcReg[0], program);
693
src1 = src_vector(p, &inst->SrcReg[1], program);
697
get_result_vector(p, inst),
698
get_result_flags(inst), 0,
699
src0, negate(src1, 1, 1, 1, 1), 0);
703
EMIT_1ARG_ARITH(A0_MOV); /* extended swizzle handled natively */
720
* result.x = src0.y * src1.z - src0.z * src1.y;
721
* result.y = src0.z * src1.x - src0.x * src1.z;
722
* result.z = src0.x * src1.y - src0.y * src1.x;
725
src0 = src_vector(p, &inst->SrcReg[0], program);
726
src1 = src_vector(p, &inst->SrcReg[1], program);
727
tmp = i915_get_utemp(p);
731
tmp, A0_DEST_CHANNEL_ALL, 0,
732
swizzle(src0, Z, X, Y, ONE),
733
swizzle(src1, Y, Z, X, ONE), 0);
737
get_result_vector(p, inst),
738
get_result_flags(inst), 0,
739
swizzle(src0, Y, Z, X, ONE),
740
swizzle(src1, Z, X, Y, ONE),
741
negate(tmp, 1, 1, 1, 0));
748
i915_program_error(p, "bad opcode");
753
i915_release_utemps(p);
757
/* Rather than trying to intercept and jiggle depth writes during
758
* emit, just move the value into its correct position at the end of
762
fixup_depth_write(struct i915_fragment_program *p)
764
if (p->depth_written) {
765
GLuint depth = UREG(REG_TYPE_OD, 0);
769
depth, A0_DEST_CHANNEL_W, 0,
770
swizzle(depth, X, Y, Z, Z), 0, 0);
775
#define FRAG_BIT_TEX(n) (FRAG_BIT_TEX0 << (n))
779
check_wpos(struct i915_fragment_program *p)
781
GLuint inputs = p->FragProg.Base.InputsRead;
786
for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
787
if (inputs & FRAG_BIT_TEX(i))
789
else if (inputs & FRAG_BIT_WPOS) {
791
inputs &= ~FRAG_BIT_WPOS;
795
if (inputs & FRAG_BIT_WPOS) {
796
i915_program_error(p, "No free texcoord for wpos value");
802
translate_program(struct i915_fragment_program *p)
804
struct i915_context *i915 = I915_CONTEXT(p->ctx);
806
i915_init_program(i915, p);
809
fixup_depth_write(p);
810
i915_fini_program(p);
817
track_params(struct i915_fragment_program *p)
822
_mesa_load_state_parameters(p->ctx, p->FragProg.Base.Parameters);
824
for (i = 0; i < p->nr_params; i++) {
825
GLint reg = p->param[i].reg;
826
COPY_4V(p->constant[reg], p->param[i].values);
829
p->params_uptodate = 1;
830
p->on_hardware = 0; /* overkill */
835
i915BindProgram(GLcontext * ctx, GLenum target, struct gl_program *prog)
837
if (target == GL_FRAGMENT_PROGRAM_ARB) {
838
struct i915_context *i915 = I915_CONTEXT(ctx);
839
struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
841
if (i915->current_program == p)
844
if (i915->current_program) {
845
i915->current_program->on_hardware = 0;
846
i915->current_program->params_uptodate = 0;
849
i915->current_program = p;
851
assert(p->on_hardware == 0);
852
assert(p->params_uptodate == 0);
854
/* Hack: make sure fog is correctly enabled according to this
855
* fragment program's fog options.
857
ctx->Driver.Enable(ctx, GL_FRAGMENT_PROGRAM_ARB,
858
ctx->FragmentProgram.Enabled);
862
static struct gl_program *
863
i915NewProgram(GLcontext * ctx, GLenum target, GLuint id)
866
case GL_VERTEX_PROGRAM_ARB:
867
return _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program),
870
case GL_FRAGMENT_PROGRAM_ARB:{
871
struct i915_fragment_program *prog =
872
CALLOC_STRUCT(i915_fragment_program);
874
i915_init_program(I915_CONTEXT(ctx), prog);
876
return _mesa_init_fragment_program(ctx, &prog->FragProg,
886
return _mesa_new_program(ctx, target, id);
891
i915DeleteProgram(GLcontext * ctx, struct gl_program *prog)
893
if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
894
struct i915_context *i915 = I915_CONTEXT(ctx);
895
struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
897
if (i915->current_program == p)
898
i915->current_program = 0;
901
_mesa_delete_program(ctx, prog);
906
i915IsProgramNative(GLcontext * ctx, GLenum target, struct gl_program *prog)
908
if (target == GL_FRAGMENT_PROGRAM_ARB) {
909
struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
912
translate_program(p);
921
i915ProgramStringNotify(GLcontext * ctx,
922
GLenum target, struct gl_program *prog)
924
if (target == GL_FRAGMENT_PROGRAM_ARB) {
925
struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
928
/* Hack: make sure fog is correctly enabled according to this
929
* fragment program's fog options.
931
ctx->Driver.Enable(ctx, GL_FRAGMENT_PROGRAM_ARB,
932
ctx->FragmentProgram.Enabled);
934
if (p->FragProg.FogOption) {
935
/* add extra instructions to do fog, then turn off FogOption field */
936
_mesa_append_fog_code(ctx, &p->FragProg);
937
p->FragProg.FogOption = GL_NONE;
941
_tnl_program_string(ctx, target, prog);
946
i915ValidateFragmentProgram(struct i915_context *i915)
948
GLcontext *ctx = &i915->intel.ctx;
949
struct intel_context *intel = intel_context(ctx);
950
TNLcontext *tnl = TNL_CONTEXT(ctx);
951
struct vertex_buffer *VB = &tnl->vb;
953
struct i915_fragment_program *p =
954
(struct i915_fragment_program *) ctx->FragmentProgram._Current;
956
const GLuint inputsRead = p->FragProg.Base.InputsRead;
957
GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
958
GLuint s2 = S2_TEXCOORD_NONE;
961
if (i915->current_program != p) {
962
if (i915->current_program) {
963
i915->current_program->on_hardware = 0;
964
i915->current_program->params_uptodate = 0;
967
i915->current_program = p;
973
VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
976
translate_program(p);
978
intel->vertex_attr_count = 0;
979
intel->wpos_offset = 0;
980
intel->wpos_size = 0;
981
intel->coloroffset = 0;
982
intel->specoffset = 0;
984
if (inputsRead & FRAG_BITS_TEX_ANY) {
985
EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16);
988
EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, S4_VFMT_XYZ, 12);
991
if (inputsRead & FRAG_BIT_COL0) {
992
intel->coloroffset = offset / 4;
993
EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4);
996
if ((inputsRead & (FRAG_BIT_COL1 | FRAG_BIT_FOGC)) ||
997
i915->vertex_fog != I915_FOG_NONE) {
999
if (inputsRead & FRAG_BIT_COL1) {
1000
intel->specoffset = offset / 4;
1001
EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, S4_VFMT_SPEC_FOG, 3);
1006
if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE)
1007
EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1UB_1F, S4_VFMT_SPEC_FOG, 1);
1012
/* XXX this was disabled, but enabling this code helped fix the Glean
1013
* tfragprog1 fog tests.
1016
if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE) {
1017
EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4);
1021
for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
1022
if (inputsRead & FRAG_BIT_TEX(i)) {
1023
int sz = VB->TexCoordPtr[i]->size;
1025
s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
1026
s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz));
1028
EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, EMIT_SZ(sz), 0, sz * 4);
1030
else if (i == p->wpos_tex) {
1032
/* If WPOS is required, duplicate the XYZ position data in an
1033
* unused texture coordinate:
1035
s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
1036
s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(3));
1038
intel->wpos_offset = offset;
1039
intel->wpos_size = 3 * sizeof(GLuint);
1041
EMIT_PAD(intel->wpos_size);
1045
if (s2 != i915->state.Ctx[I915_CTXREG_LIS2] ||
1046
s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
1049
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
1051
/* Must do this *after* statechange, so as not to affect
1052
* buffered vertices reliant on the old state:
1054
intel->vertex_size = _tnl_install_attrs(&intel->ctx,
1055
intel->vertex_attrs,
1056
intel->vertex_attr_count,
1057
intel->ViewportMatrix.m, 0);
1059
intel->vertex_size >>= 2;
1061
i915->state.Ctx[I915_CTXREG_LIS2] = s2;
1062
i915->state.Ctx[I915_CTXREG_LIS4] = s4;
1064
k = intel->vtbl.check_vertex_size(intel, intel->vertex_size);
1068
if (!p->params_uptodate)
1071
if (!p->on_hardware)
1072
i915_upload_program(i915, p);
1076
i915InitFragProgFuncs(struct dd_function_table *functions)
1078
functions->BindProgram = i915BindProgram;
1079
functions->NewProgram = i915NewProgram;
1080
functions->DeleteProgram = i915DeleteProgram;
1081
functions->IsProgramNative = i915IsProgramNative;
1082
functions->ProgramStringNotify = i915ProgramStringNotify;