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-rw-r--r--src/mesa/swrast/s_nvfragprog.c514
1 files changed, 475 insertions, 39 deletions
diff --git a/src/mesa/swrast/s_nvfragprog.c b/src/mesa/swrast/s_nvfragprog.c
index 6ff4569a8e8..16bfe7d1c45 100644
--- a/src/mesa/swrast/s_nvfragprog.c
+++ b/src/mesa/swrast/s_nvfragprog.c
@@ -1,10 +1,10 @@
-/* $Id: s_nvfragprog.c,v 1.2 2003/02/17 15:38:04 brianp Exp $ */
+/* $Id: s_nvfragprog.c,v 1.3 2003/02/23 04:10:54 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 5.1
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2003 Brian Paul 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"),
@@ -36,56 +36,42 @@
#include "s_nvfragprog.h"
+
/**
* Fetch a texel.
*/
static void
fetch_texel( GLcontext *ctx, const GLfloat texcoord[4], GLuint unit,
- GLenum target, GLfloat color[4] )
+ GLuint targetIndex, GLfloat color[4] )
{
+ const GLfloat *lambda = NULL;
+ GLchan rgba[4];
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
const struct gl_texture_object *texObj;
- /* XXX Use swrast->TextureSample[texUnit]() to sample texture.
- * Needs to be swrast->TextureSample[target][texUnit]() though.
- */
-
- switch (target) {
- case GL_TEXTURE_1D:
+ switch (targetIndex) {
+ case TEXTURE_1D_INDEX:
texObj = ctx->Texture.Unit[unit].Current1D;
break;
- case GL_TEXTURE_2D:
+ case TEXTURE_2D_INDEX:
texObj = ctx->Texture.Unit[unit].Current2D;
break;
- case GL_TEXTURE_3D:
+ case TEXTURE_3D_INDEX:
texObj = ctx->Texture.Unit[unit].Current3D;
break;
- case GL_TEXTURE_CUBE_MAP:
+ case TEXTURE_CUBE_INDEX:
texObj = ctx->Texture.Unit[unit].CurrentCubeMap;
break;
- case GL_TEXTURE_RECTANGLE_NV:
+ case TEXTURE_RECT_INDEX:
texObj = ctx->Texture.Unit[unit].CurrentRect;
break;
default:
_mesa_problem(ctx, "Invalid target in fetch_texel");
}
- if (texObj->Complete) {
- const struct gl_texture_image *texImage;
- GLint col, row, img;
- GLchan texel[4];
- col = IROUND(texcoord[0] * texImage->Width); /* XXX temporary! */
- row = IROUND(texcoord[1] * texImage->Height); /* XXX temporary! */
- img = 0;
- texImage->FetchTexel(texImage, col, row, img, texel);
- /* XXX texture format? */
- color[0] = CHAN_TO_FLOAT(texel[0]);
- color[1] = CHAN_TO_FLOAT(texel[1]);
- color[2] = CHAN_TO_FLOAT(texel[2]);
- color[3] = CHAN_TO_FLOAT(texel[3]);
- }
- else {
- ASSIGN_4V(color, 0.0, 0.0, 0.0, 0.0);
- }
+ swrast->TextureSample[unit](ctx, unit, texObj, 1,
+ (const GLfloat (*)[4]) &texcoord,
+ lambda, &rgba);
}
@@ -95,7 +81,7 @@ fetch_texel( GLcontext *ctx, const GLfloat texcoord[4], GLuint unit,
static void
fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4],
const GLfloat dtdx[4], const GLfloat dtdy[4],
- GLuint unit, GLenum target, GLfloat color[4] )
+ GLuint unit, GLuint targetIndex, GLfloat color[4] )
{
/* XXX to do */
@@ -314,6 +300,30 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
inst->UpdateCondRegister );
}
break;
+ case FP_OPCODE_DDX: /* Partial derivative with respect to X */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ result[0] = 0; /* XXX fix */
+ result[1] = 0;
+ result[2] = 0;
+ result[3] = 0;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_DDY: /* Partial derivative with respect to Y */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ result[0] = 0; /* XXX fix */
+ result[1] = 0;
+ result[2] = 0;
+ result[3] = 0;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
case FP_OPCODE_DP3:
{
GLfloat a[4], b[4], result[4];
@@ -336,6 +346,53 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
inst->UpdateCondRegister );
}
break;
+ case FP_OPCODE_DST: /* Distance vector */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = 1.0F;
+ result[1] = a[1] * b[1];
+ result[2] = a[2];
+ result[3] = b[3];
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_EX2: /* Exponential base 2 */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = result[1] = result[2] = result[3] =
+ (GLfloat) pow(2.0, a[0]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_FLR:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ result[0] = FLOORF(a[0]);
+ result[1] = FLOORF(a[1]);
+ result[2] = FLOORF(a[2]);
+ result[3] = FLOORF(a[3]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_FRC:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ result[0] = a[0] - FLOORF(a[0]);
+ result[1] = a[1] - FLOORF(a[1]);
+ result[2] = a[2] - FLOORF(a[2]);
+ result[3] = a[3] - FLOORF(a[3]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
case FP_OPCODE_KIL:
{
const GLuint *swizzle = inst->DstReg.CondSwizzle;
@@ -347,6 +404,32 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
return;
}
break;
+ case FP_OPCODE_LG2: /* log base 2 */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = result[1] = result[2] = result[3]
+ = LOG2(a[0]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_LIT:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ if (a[0] < 0.0F)
+ a[0] = 0.0F;
+ if (a[1] < 0.0F)
+ a[1] = 0.0F;
+ result[0] = 1.0F;
+ result[1] = a[0];
+ result[2] = (a[0] > 0.0) ? pow(2.0, a[3]) : 0.0F;
+ result[3] = 1.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
case FP_OPCODE_LRP:
{
GLfloat a[4], b[4], c[4], result[4];
@@ -361,6 +444,46 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
inst->UpdateCondRegister );
}
break;
+ case FP_OPCODE_MAD:
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ fetch_vector4( &inst->SrcReg[2], machine, c );
+ result[0] = a[0] * b[0] + c[0];
+ result[1] = a[1] * b[1] + c[1];
+ result[2] = a[2] * b[2] + c[2];
+ result[3] = a[3] * b[3] + c[3];
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_MAX:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = MAX2(a[0], b[0]);
+ result[1] = MAX2(a[1], b[1]);
+ result[2] = MAX2(a[2], b[2]);
+ result[3] = MAX2(a[3], b[3]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_MIN:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = MIN2(a[0], b[0]);
+ result[1] = MIN2(a[1], b[1]);
+ result[2] = MIN2(a[2], b[2]);
+ result[3] = MIN2(a[3], b[3]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
case FP_OPCODE_MOV:
{
GLfloat t[4];
@@ -369,7 +492,136 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
inst->UpdateCondRegister );
}
break;
- case FP_OPCODE_SEQ:
+ case FP_OPCODE_MUL:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = a[0] * b[0];
+ result[1] = a[1] * b[1];
+ result[2] = a[2] * b[2];
+ result[3] = a[3] * b[3];
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_PK2H: /* pack two 16-bit floats */
+ /* XXX this is probably wrong */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ GLuint *rawResult = (GLuint *) result;
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = rawBits[0] | (rawBits[1] << 16);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_PK2US: /* pack two GLushorts */
+ {
+ GLfloat a[4], result[4];
+ GLuint usx, usy, *rawResult = (GLuint *) result;
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ a[0] = CLAMP(a[0], 0.0F, 1.0F);
+ a[1] = CLAMP(a[0], 0.0F, 1.0F);
+ usx = IROUND(a[0] * 65535.0F);
+ usy = IROUND(a[1] * 65535.0F);
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = usx | (usy << 16);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_PK4B: /* pack four GLbytes */
+ {
+ GLfloat a[4], result[4];
+ GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result;
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F);
+ a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F);
+ a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F);
+ a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F);
+ ubx = IROUND(127.0F * a[0] + 128.0F);
+ uby = IROUND(127.0F * a[1] + 128.0F);
+ ubz = IROUND(127.0F * a[2] + 128.0F);
+ ubw = IROUND(127.0F * a[3] + 128.0F);
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_PK4UB: /* pack four GLubytes */
+ {
+ GLfloat a[4], result[4];
+ GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result;
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ a[0] = CLAMP(a[0], 0.0F, 1.0F);
+ a[1] = CLAMP(a[1], 0.0F, 1.0F);
+ a[2] = CLAMP(a[2], 0.0F, 1.0F);
+ a[3] = CLAMP(a[3], 0.0F, 1.0F);
+ ubx = IROUND(255.0F * a[0]);
+ uby = IROUND(255.0F * a[1]);
+ ubz = IROUND(255.0F * a[2]);
+ ubw = IROUND(255.0F * a[3]);
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_POW:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ fetch_vector1( &inst->SrcReg[1], machine, b );
+ result[0] = result[1] = result[2] = result[3]
+ = pow(a[0], b[0]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_RCP:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = result[1] = result[2] = result[3]
+ = 1.0F / a[0];
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_RFL:
+ {
+ GLfloat axis[4], dir[4], result[4], tmp[4];
+ fetch_vector4( &inst->SrcReg[0], machine, axis );
+ fetch_vector4( &inst->SrcReg[1], machine, dir );
+ tmp[3] = axis[0] * axis[0]
+ + axis[1] * axis[1]
+ + axis[2] * axis[2];
+ tmp[0] = (2.0F * (axis[0] * dir[0] +
+ axis[1] * dir[1] +
+ axis[2] * dir[2])) / tmp[3];
+ result[0] = tmp[0] * axis[0] - dir[0];
+ result[1] = tmp[0] * axis[1] - dir[1];
+ result[2] = tmp[0] * axis[2] - dir[2];
+ /* result[3] is never written! XXX enforce in parser! */
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_RSQ: /* 1 / sqrt() */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = result[1] = result[2] = result[3]
+ = 1.0F / GL_SQRT(a[0]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SEQ: /* set on equal */
{
GLfloat a[4], b[4], result[4];
fetch_vector4( &inst->SrcReg[0], machine, a );
@@ -382,13 +634,114 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
inst->UpdateCondRegister );
}
break;
+ case FP_OPCODE_SFL: /* set false, operands ignored */
+ {
+ static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SGE: /* set on greater or equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SGT: /* set on greater */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = (a[0] > b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] > b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] > b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] > b[3]) ? 1.0F : 0.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SIN:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = result[1] = result[2] = result[3] = sin(a[0]);
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SLE: /* set on less or equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SLT: /* set on less */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = (a[0] < b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] < b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] < b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] < b[3]) ? 1.0F : 0.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SNE: /* set on not equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = (a[0] != b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] != b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] != b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] != b[3]) ? 1.0F : 0.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_STR: /* set true, operands ignored */
+ {
+ static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F };
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_SUB:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ result[0] = a[0] - b[0];
+ result[1] = a[1] - b[1];
+ result[2] = a[2] - b[2];
+ result[3] = a[3] - b[3];
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
case FP_OPCODE_TEX:
/* Texel lookup */
{
GLfloat texcoord[4], color[4];
fetch_vector4( &inst->SrcReg[0], machine, texcoord );
fetch_texel( ctx, texcoord, inst->TexSrcUnit,
- inst->TexSrcTarget, color );
+ inst->TexSrcIndex, color );
store_vector4( &inst->DstReg, machine, color, inst->Saturate,
inst->UpdateCondRegister );
}
@@ -401,7 +754,7 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
fetch_vector4( &inst->SrcReg[1], machine, dtdx );
fetch_vector4( &inst->SrcReg[2], machine, dtdy );
fetch_texel_deriv( ctx, texcoord, dtdx, dtdy, inst->TexSrcUnit,
- inst->TexSrcTarget, color );
+ inst->TexSrcIndex, color );
store_vector4( &inst->DstReg, machine, color, inst->Saturate,
inst->UpdateCondRegister );
}
@@ -415,17 +768,84 @@ execute_program(GLcontext *ctx, const struct fragment_program *program)
texcoord[1] /= texcoord[3];
texcoord[2] /= texcoord[3];
fetch_texel( ctx, texcoord, inst->TexSrcUnit,
- inst->TexSrcTarget, color );
+ inst->TexSrcIndex, color );
store_vector4( &inst->DstReg, machine, color, inst->Saturate,
inst->UpdateCondRegister );
}
break;
+ case FP_OPCODE_UP2H: /* unpack two 16-bit floats */
+ /* XXX this is probably wrong */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ GLuint *rawResult = (GLuint *) result;
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ rawResult[0] = rawBits[0] & 0xffff;
+ rawResult[1] = (rawBits[0] >> 16) & 0xffff;
+ rawResult[2] = rawBits[0] & 0xffff;
+ rawResult[3] = (rawBits[0] >> 16) & 0xffff;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_UP2US: /* unpack two GLushorts */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = (GLfloat) ((rawBits[0] >> 0) & 0xffff) / 65535.0F;
+ result[1] = (GLfloat) ((rawBits[0] >> 16) & 0xffff) / 65535.0F;
+ result[2] = result[0];
+ result[3] = result[1];
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_UP4B: /* unpack four GLbytes */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F;
+ result[0] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F;
+ result[0] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F;
+ result[0] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_UP4UB: /* unpack four GLubytes */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ fetch_vector1( &inst->SrcReg[0], machine, a );
+ result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F;
+ result[0] = ((rawBits[0] >> 8) & 0xff) / 255.0F;
+ result[0] = ((rawBits[0] >> 16) & 0xff) / 255.0F;
+ result[0] = ((rawBits[0] >> 24) & 0xff) / 255.0F;
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
+ case FP_OPCODE_X2D: /* 2-D matrix transform */
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4( &inst->SrcReg[0], machine, a );
+ fetch_vector4( &inst->SrcReg[1], machine, b );
+ fetch_vector4( &inst->SrcReg[2], machine, c );
+ result[0] = a[0] + b[0] * c[0] + b[1] * c[1];
+ result[1] = a[1] + b[0] * c[2] + b[1] * c[3];
+ result[2] = a[2] + b[0] * c[0] + b[1] * c[1];
+ result[3] = a[3] + b[0] * c[2] + b[1] * c[3];
+ store_vector4( &inst->DstReg, machine, result, inst->Saturate,
+ inst->UpdateCondRegister );
+ }
+ break;
default:
_mesa_problem(ctx, "Bad opcode in _mesa_exec_fragment_program");
return;
}
}
-
}
@@ -443,7 +863,7 @@ _swrast_exec_nv_fragment_program( GLcontext *ctx, struct sw_span *span )
const GLfloat *colOut = ctx->FragmentProgram.Machine.Registers[FP_OUTPUT_REG_START];
GLuint j;
- /* Clear temporary registers */
+ /* Clear temporary registers XXX use memzero() */
for (j = 0; j < MAX_NV_FRAGMENT_PROGRAM_TEMPS; j++) {
ctx->FragmentProgram.Machine.Registers[FP_TEMP_REG_START+j][0] = 0.0F;
ctx->FragmentProgram.Machine.Registers[FP_TEMP_REG_START+j][1] = 0.0F;
@@ -451,11 +871,13 @@ _swrast_exec_nv_fragment_program( GLcontext *ctx, struct sw_span *span )
ctx->FragmentProgram.Machine.Registers[FP_TEMP_REG_START+j][3] = 0.0F;
}
- /* Load input registers */
+ /*
+ * Load input registers - yes this is all very inefficient for now.
+ */
wpos[0] = span->x + i;
wpos[1] = span->y + i;
wpos[2] = span->array->z[i];
- wpos[3] = 1.0;
+ wpos[3] = 1.0; /* XXX should be 1/w */
col0[0] = CHAN_TO_FLOAT(span->array->rgba[i][RCOMP]);
col0[1] = CHAN_TO_FLOAT(span->array->rgba[i][GCOMP]);
@@ -468,6 +890,20 @@ _swrast_exec_nv_fragment_program( GLcontext *ctx, struct sw_span *span )
col1[3] = CHAN_TO_FLOAT(span->array->spec[i][ACOMP]);
fogc[0] = span->array->fog[i];
+ fogc[1] = 0.0F;
+ fogc[2] = 0.0F;
+ fogc[3] = 0.0F;
+
+ for (j = 0; j < ctx->Const.MaxTextureCoordUnits; j++) {
+ if (ctx->Texture.Unit[j]._ReallyEnabled) {
+ COPY_4V(ctx->FragmentProgram.Machine.Registers[4 + j],
+ span->array->texcoords[j][i]);
+ }
+ else {
+ COPY_4V(ctx->FragmentProgram.Machine.Registers[4 + j],
+ ctx->Current.Attrib[VERT_ATTRIB_TEX0 + j]);
+ }
+ }
execute_program(ctx, ctx->FragmentProgram.Current);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 19:34:35 +0000