s_fragprog.c revision 999b55663a09d9669a9d14c5aadfa84e6dcba288
1865f88afc0d59d886fb2ad50429e584ecf17fa81Brian/* 2865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Mesa 3-D graphics library 3827e72de7537e62cac9652f8b7344ff356de9bb1Brian * Version: 7.0.3 4865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * 5827e72de7537e62cac9652f8b7344ff356de9bb1Brian * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. 6865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * 7865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Permission is hereby granted, free of charge, to any person obtaining a 8865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * copy of this software and associated documentation files (the "Software"), 9865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * to deal in the Software without restriction, including without limitation 10865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * and/or sell copies of the Software, and to permit persons to whom the 12865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Software is furnished to do so, subject to the following conditions: 13865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * 14865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * The above copyright notice and this permission notice shall be included 15865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * in all copies or substantial portions of the Software. 16865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * 17865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23865f88afc0d59d886fb2ad50429e584ecf17fa81Brian */ 24865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 25c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/glheader.h" 26c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/colormac.h" 27c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/context.h" 28c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "main/texstate.h" 29c223c6b663cd5db39ba19c2be74b88cc3b8f53f3Brian#include "shader/prog_instruction.h" 30865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 31c968d3d410a1897ecbb41d3557adaef69a4c627aBrian#include "s_fragprog.h" 32865f88afc0d59d886fb2ad50429e584ecf17fa81Brian#include "s_span.h" 33865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 34865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 35865f88afc0d59d886fb2ad50429e584ecf17fa81Brian/** 36865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Fetch a texel. 37865f88afc0d59d886fb2ad50429e584ecf17fa81Brian */ 38865f88afc0d59d886fb2ad50429e584ecf17fa81Brianstatic void 39865f88afc0d59d886fb2ad50429e584ecf17fa81Brianfetch_texel( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda, 40865f88afc0d59d886fb2ad50429e584ecf17fa81Brian GLuint unit, GLfloat color[4] ) 41865f88afc0d59d886fb2ad50429e584ecf17fa81Brian{ 42865f88afc0d59d886fb2ad50429e584ecf17fa81Brian GLchan rgba[4]; 43865f88afc0d59d886fb2ad50429e584ecf17fa81Brian SWcontext *swrast = SWRAST_CONTEXT(ctx); 44827e72de7537e62cac9652f8b7344ff356de9bb1Brian const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current; 45865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 46827e72de7537e62cac9652f8b7344ff356de9bb1Brian lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod); 47827e72de7537e62cac9652f8b7344ff356de9bb1Brian 48865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* XXX use a float-valued TextureSample routine here!!! */ 49999b55663a09d9669a9d14c5aadfa84e6dcba288Brian swrast->TextureSample[unit](ctx, texObj, 1, (const GLfloat (*)[4]) texcoord, 50865f88afc0d59d886fb2ad50429e584ecf17fa81Brian &lambda, &rgba); 51865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[0] = CHAN_TO_FLOAT(rgba[0]); 52865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[1] = CHAN_TO_FLOAT(rgba[1]); 53865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[2] = CHAN_TO_FLOAT(rgba[2]); 54865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[3] = CHAN_TO_FLOAT(rgba[3]); 55865f88afc0d59d886fb2ad50429e584ecf17fa81Brian} 56865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 57865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 58865f88afc0d59d886fb2ad50429e584ecf17fa81Brian/** 59865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Fetch a texel with the given partial derivatives to compute a level 60865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * of detail in the mipmap. 61865f88afc0d59d886fb2ad50429e584ecf17fa81Brian */ 62865f88afc0d59d886fb2ad50429e584ecf17fa81Brianstatic void 63865f88afc0d59d886fb2ad50429e584ecf17fa81Brianfetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4], 64865f88afc0d59d886fb2ad50429e584ecf17fa81Brian const GLfloat texdx[4], const GLfloat texdy[4], 65999b55663a09d9669a9d14c5aadfa84e6dcba288Brian GLfloat lodBias, GLuint unit, GLfloat color[4] ) 66865f88afc0d59d886fb2ad50429e584ecf17fa81Brian{ 67865f88afc0d59d886fb2ad50429e584ecf17fa81Brian SWcontext *swrast = SWRAST_CONTEXT(ctx); 68865f88afc0d59d886fb2ad50429e584ecf17fa81Brian const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current; 69865f88afc0d59d886fb2ad50429e584ecf17fa81Brian const struct gl_texture_image *texImg = texObj->Image[0][texObj->BaseLevel]; 70865f88afc0d59d886fb2ad50429e584ecf17fa81Brian const GLfloat texW = (GLfloat) texImg->WidthScale; 71865f88afc0d59d886fb2ad50429e584ecf17fa81Brian const GLfloat texH = (GLfloat) texImg->HeightScale; 72865f88afc0d59d886fb2ad50429e584ecf17fa81Brian GLchan rgba[4]; 73865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 74999b55663a09d9669a9d14c5aadfa84e6dcba288Brian GLfloat lambda 75999b55663a09d9669a9d14c5aadfa84e6dcba288Brian = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */ 76999b55663a09d9669a9d14c5aadfa84e6dcba288Brian texdx[1], texdy[1], /* dt/dx, dt/dy */ 77999b55663a09d9669a9d14c5aadfa84e6dcba288Brian texdx[3], texdy[2], /* dq/dx, dq/dy */ 78999b55663a09d9669a9d14c5aadfa84e6dcba288Brian texW, texH, 79999b55663a09d9669a9d14c5aadfa84e6dcba288Brian texcoord[0], texcoord[1], texcoord[3], 80999b55663a09d9669a9d14c5aadfa84e6dcba288Brian 1.0F / texcoord[3]) + lodBias; 81865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 82999b55663a09d9669a9d14c5aadfa84e6dcba288Brian lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod); 83999b55663a09d9669a9d14c5aadfa84e6dcba288Brian 84999b55663a09d9669a9d14c5aadfa84e6dcba288Brian swrast->TextureSample[unit](ctx, texObj, 1, (const GLfloat (*)[4]) texcoord, 85865f88afc0d59d886fb2ad50429e584ecf17fa81Brian &lambda, &rgba); 86865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[0] = CHAN_TO_FLOAT(rgba[0]); 87865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[1] = CHAN_TO_FLOAT(rgba[1]); 88865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[2] = CHAN_TO_FLOAT(rgba[2]); 89865f88afc0d59d886fb2ad50429e584ecf17fa81Brian color[3] = CHAN_TO_FLOAT(rgba[3]); 90865f88afc0d59d886fb2ad50429e584ecf17fa81Brian} 91865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 92865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 93865f88afc0d59d886fb2ad50429e584ecf17fa81Brian/** 94865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Initialize the virtual fragment program machine state prior to running 95865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * fragment program on a fragment. This involves initializing the input 96865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * registers, condition codes, etc. 97865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * \param machine the virtual machine state to init 98865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * \param program the fragment program we're about to run 99865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * \param span the span of pixels we'll operate on 100865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * \param col which element (column) of the span we'll operate on 101865f88afc0d59d886fb2ad50429e584ecf17fa81Brian */ 102865f88afc0d59d886fb2ad50429e584ecf17fa81Brianstatic void 103f6803de7396edda2223adf7ff7445579dbe475c9Brianinit_machine(GLcontext *ctx, struct gl_program_machine *machine, 104f6803de7396edda2223adf7ff7445579dbe475c9Brian const struct gl_fragment_program *program, 105f6803de7396edda2223adf7ff7445579dbe475c9Brian const SWspan *span, GLuint col) 106865f88afc0d59d886fb2ad50429e584ecf17fa81Brian{ 107ced6f76404ff1a6713c85edff17551f82c33cc24Brian if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) { 108865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* Clear temporary registers (undefined for ARB_f_p) */ 109865f88afc0d59d886fb2ad50429e584ecf17fa81Brian _mesa_bzero(machine->Temporaries, 1103ed1acd13c7876288a5d1ab6d288b1654f0c2e6dBrian MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat)); 111865f88afc0d59d886fb2ad50429e584ecf17fa81Brian } 112865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 113f3e507ef9f75dbfc58ccd07b5fe8cfca10d9a9e3Brian /* Setup pointer to input attributes */ 114f3e507ef9f75dbfc58ccd07b5fe8cfca10d9a9e3Brian machine->Attribs = span->array->attribs; 11510b5895597d5e069183cb647d17eb412effceb4fBrian 11660d136f63c5a5a18b12952ec8e8532cbce086a4dBrian machine->DerivX = (GLfloat (*)[4]) span->attrStepX; 11760d136f63c5a5a18b12952ec8e8532cbce086a4dBrian machine->DerivY = (GLfloat (*)[4]) span->attrStepY; 11860d136f63c5a5a18b12952ec8e8532cbce086a4dBrian machine->NumDeriv = FRAG_ATTRIB_MAX; 11960d136f63c5a5a18b12952ec8e8532cbce086a4dBrian 120e48f0b09abe42aa3393a492af07e53b76ad0ff3cBrian /* if running a GLSL program (not ARB_fragment_program) */ 121af0ae93863b4c876e70efa4e7406f04a3409f135Brian if (ctx->Shader.CurrentProgram) { 122af0ae93863b4c876e70efa4e7406f04a3409f135Brian /* Store front/back facing value in register FOGC.Y */ 123af0ae93863b4c876e70efa4e7406f04a3409f135Brian machine->Attribs[FRAG_ATTRIB_FOGC][col][1] = (GLfloat) ctx->_Facing; 124af0ae93863b4c876e70efa4e7406f04a3409f135Brian } 12510b5895597d5e069183cb647d17eb412effceb4fBrian 126f6803de7396edda2223adf7ff7445579dbe475c9Brian machine->CurElement = col; 127865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 128865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* init condition codes */ 129865f88afc0d59d886fb2ad50429e584ecf17fa81Brian machine->CondCodes[0] = COND_EQ; 130865f88afc0d59d886fb2ad50429e584ecf17fa81Brian machine->CondCodes[1] = COND_EQ; 131865f88afc0d59d886fb2ad50429e584ecf17fa81Brian machine->CondCodes[2] = COND_EQ; 132865f88afc0d59d886fb2ad50429e584ecf17fa81Brian machine->CondCodes[3] = COND_EQ; 133865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 134865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* init call stack */ 135865f88afc0d59d886fb2ad50429e584ecf17fa81Brian machine->StackDepth = 0; 136f6803de7396edda2223adf7ff7445579dbe475c9Brian 137f6803de7396edda2223adf7ff7445579dbe475c9Brian machine->FetchTexelLod = fetch_texel; 138f6803de7396edda2223adf7ff7445579dbe475c9Brian machine->FetchTexelDeriv = fetch_texel_deriv; 139865f88afc0d59d886fb2ad50429e584ecf17fa81Brian} 140865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 141865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 142865f88afc0d59d886fb2ad50429e584ecf17fa81Brian/** 143865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Run fragment program on the pixels in span from 'start' to 'end' - 1. 144865f88afc0d59d886fb2ad50429e584ecf17fa81Brian */ 145865f88afc0d59d886fb2ad50429e584ecf17fa81Brianstatic void 146865f88afc0d59d886fb2ad50429e584ecf17fa81Brianrun_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end) 147865f88afc0d59d886fb2ad50429e584ecf17fa81Brian{ 1481c09bcfdda4083636a3ac27d804a34ef87875ce7Brian SWcontext *swrast = SWRAST_CONTEXT(ctx); 149865f88afc0d59d886fb2ad50429e584ecf17fa81Brian const struct gl_fragment_program *program = ctx->FragmentProgram._Current; 1501c09bcfdda4083636a3ac27d804a34ef87875ce7Brian const GLbitfield outputsWritten = program->Base.OutputsWritten; 1518b5fce6bcc88cd9dd321f0db95c1714e5e5e85a1Brian struct gl_program_machine *machine = &swrast->FragProgMachine; 152865f88afc0d59d886fb2ad50429e584ecf17fa81Brian GLuint i; 153865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 154865f88afc0d59d886fb2ad50429e584ecf17fa81Brian for (i = start; i < end; i++) { 155865f88afc0d59d886fb2ad50429e584ecf17fa81Brian if (span->array->mask[i]) { 1568b5fce6bcc88cd9dd321f0db95c1714e5e5e85a1Brian init_machine(ctx, machine, program, span, i); 157865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 1588b5fce6bcc88cd9dd321f0db95c1714e5e5e85a1Brian if (_mesa_execute_program(ctx, &program->Base, machine)) { 1591c09bcfdda4083636a3ac27d804a34ef87875ce7Brian 160865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* Store result color */ 1611c09bcfdda4083636a3ac27d804a34ef87875ce7Brian if (outputsWritten & (1 << FRAG_RESULT_COLR)) { 1621c09bcfdda4083636a3ac27d804a34ef87875ce7Brian COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i], 1638b5fce6bcc88cd9dd321f0db95c1714e5e5e85a1Brian machine->Outputs[FRAG_RESULT_COLR]); 1641c09bcfdda4083636a3ac27d804a34ef87875ce7Brian } 1651c09bcfdda4083636a3ac27d804a34ef87875ce7Brian else { 1661c09bcfdda4083636a3ac27d804a34ef87875ce7Brian /* Multiple drawbuffers / render targets 1671c09bcfdda4083636a3ac27d804a34ef87875ce7Brian * Note that colors beyond 0 and 1 will overwrite other 1681c09bcfdda4083636a3ac27d804a34ef87875ce7Brian * attributes, such as FOGC, TEX0, TEX1, etc. That's OK. 1691c09bcfdda4083636a3ac27d804a34ef87875ce7Brian */ 1701c09bcfdda4083636a3ac27d804a34ef87875ce7Brian GLuint output; 1711c09bcfdda4083636a3ac27d804a34ef87875ce7Brian for (output = 0; output < swrast->_NumColorOutputs; output++) { 1721c09bcfdda4083636a3ac27d804a34ef87875ce7Brian if (outputsWritten & (1 << (FRAG_RESULT_DATA0 + output))) { 1731c09bcfdda4083636a3ac27d804a34ef87875ce7Brian COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0+output][i], 1748b5fce6bcc88cd9dd321f0db95c1714e5e5e85a1Brian machine->Outputs[FRAG_RESULT_DATA0 + output]); 1751c09bcfdda4083636a3ac27d804a34ef87875ce7Brian } 1761c09bcfdda4083636a3ac27d804a34ef87875ce7Brian } 1771c09bcfdda4083636a3ac27d804a34ef87875ce7Brian } 178865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 179865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* Store result depth/z */ 1801c09bcfdda4083636a3ac27d804a34ef87875ce7Brian if (outputsWritten & (1 << FRAG_RESULT_DEPR)) { 1818b5fce6bcc88cd9dd321f0db95c1714e5e5e85a1Brian const GLfloat depth = machine->Outputs[FRAG_RESULT_DEPR][2]; 182865f88afc0d59d886fb2ad50429e584ecf17fa81Brian if (depth <= 0.0) 183865f88afc0d59d886fb2ad50429e584ecf17fa81Brian span->array->z[i] = 0; 184865f88afc0d59d886fb2ad50429e584ecf17fa81Brian else if (depth >= 1.0) 185865f88afc0d59d886fb2ad50429e584ecf17fa81Brian span->array->z[i] = ctx->DrawBuffer->_DepthMax; 186865f88afc0d59d886fb2ad50429e584ecf17fa81Brian else 187865f88afc0d59d886fb2ad50429e584ecf17fa81Brian span->array->z[i] = IROUND(depth * ctx->DrawBuffer->_DepthMaxF); 188865f88afc0d59d886fb2ad50429e584ecf17fa81Brian } 189865f88afc0d59d886fb2ad50429e584ecf17fa81Brian } 190865f88afc0d59d886fb2ad50429e584ecf17fa81Brian else { 191865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* killed fragment */ 192865f88afc0d59d886fb2ad50429e584ecf17fa81Brian span->array->mask[i] = GL_FALSE; 193865f88afc0d59d886fb2ad50429e584ecf17fa81Brian span->writeAll = GL_FALSE; 194865f88afc0d59d886fb2ad50429e584ecf17fa81Brian } 195865f88afc0d59d886fb2ad50429e584ecf17fa81Brian } 196865f88afc0d59d886fb2ad50429e584ecf17fa81Brian } 197865f88afc0d59d886fb2ad50429e584ecf17fa81Brian} 198865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 199865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 200865f88afc0d59d886fb2ad50429e584ecf17fa81Brian/** 201865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * Execute the current fragment program for all the fragments 202865f88afc0d59d886fb2ad50429e584ecf17fa81Brian * in the given span. 203865f88afc0d59d886fb2ad50429e584ecf17fa81Brian */ 204865f88afc0d59d886fb2ad50429e584ecf17fa81Brianvoid 205865f88afc0d59d886fb2ad50429e584ecf17fa81Brian_swrast_exec_fragment_program( GLcontext *ctx, SWspan *span ) 206865f88afc0d59d886fb2ad50429e584ecf17fa81Brian{ 207865f88afc0d59d886fb2ad50429e584ecf17fa81Brian const struct gl_fragment_program *program = ctx->FragmentProgram._Current; 208865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 209865f88afc0d59d886fb2ad50429e584ecf17fa81Brian /* incoming colors should be floats */ 21017ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian if (program->Base.InputsRead & FRAG_BIT_COL0) { 21117ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian ASSERT(span->array->ChanType == GL_FLOAT); 21217ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian } 213865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 214865f88afc0d59d886fb2ad50429e584ecf17fa81Brian ctx->_CurrentProgram = GL_FRAGMENT_PROGRAM_ARB; /* or NV, doesn't matter */ 215865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 216865f88afc0d59d886fb2ad50429e584ecf17fa81Brian run_program(ctx, span, 0, span->end); 217865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 21817ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian if (program->Base.OutputsWritten & (1 << FRAG_RESULT_COLR)) { 21917ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian span->interpMask &= ~SPAN_RGBA; 22017ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian span->arrayMask |= SPAN_RGBA; 22117ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian } 22217ad1d12ebf04ebf4b2b35c1c37d36bb4d2bb550Brian 223865f88afc0d59d886fb2ad50429e584ecf17fa81Brian if (program->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR)) { 224865f88afc0d59d886fb2ad50429e584ecf17fa81Brian span->interpMask &= ~SPAN_Z; 225865f88afc0d59d886fb2ad50429e584ecf17fa81Brian span->arrayMask |= SPAN_Z; 226865f88afc0d59d886fb2ad50429e584ecf17fa81Brian } 227865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 228865f88afc0d59d886fb2ad50429e584ecf17fa81Brian ctx->_CurrentProgram = 0; 229865f88afc0d59d886fb2ad50429e584ecf17fa81Brian} 230865f88afc0d59d886fb2ad50429e584ecf17fa81Brian 231