From 41356014599ff1ce23279e49a8a1f5b209497d5e Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 30 Mar 2004 16:34:45 +0000 Subject: [PATCH] Make the output a little more likely to compile... --- src/mesa/swrast/s_fragprog_to_c.c | 93 ++++++++++++++++++++----------- 1 file changed, 60 insertions(+), 33 deletions(-) diff --git a/src/mesa/swrast/s_fragprog_to_c.c b/src/mesa/swrast/s_fragprog_to_c.c index b649da2a3ed..5ce8e808cb2 100644 --- a/src/mesa/swrast/s_fragprog_to_c.c +++ b/src/mesa/swrast/s_fragprog_to_c.c @@ -159,9 +159,6 @@ static GLuint src_vector( const struct fp_src_register *source ) { GLuint src; -/* fprintf(stderr, "%s File %d, Index %d\n", */ -/* __FUNCTION__, source->File, source->Index); */ - assert(source->Index < 32); /* limitiation of UREG representation */ src = UREG( src_reg_file( source->File ), source->Index ); @@ -180,13 +177,43 @@ static GLuint src_vector( const struct fp_src_register *source ) static void print_header( void ) { - printf("static void run_program( const GLfloat (*local_param)[4], \n" - " const GLfloat (*env_param)[4], \n" - " const GLfloat (*state_param)[4], \n" - " const GLfloat (*interp)[4], \n" - " GLfloat *outputs)\n" + printf("\n\n\n"); + + /* Texture samplers, not written yet: + */ + printf("extern void TEX( void *ctx, const float *txc, int unit, float *rslt );\n" + "extern void TXB( void *ctx, const float *txc, int unit, float *rslt );\n" + "extern void TXP( void *ctx, const float *txc, int unit, float *rslt );\n"); + + /* Resort to the standard math library (float versions): + */ + printf("extern float fabsf( float );\n" + "extern float cosf( float );\n" + "extern float sinf( float );\n" + "extern float expf( float );\n" + "extern float powf( float, float );\n" + "extern float floorf( float );\n"); + + /* These ones we have fast code in Mesa for: + */ + printf("extern float LOG2( float );\n" + "extern float _mesa_inv_sqrtf( float );\n"); + + /* The usual macros, not really needed, but handy: + */ + printf("#define MIN2(x,y) ((x)<(y)?(x):(y))\n" + "#define MAX2(x,y) ((x)<(y)?(x):(y))\n"); + + /* Our function! + */ + printf("void run_program( void *ctx, \n" + " const float (*local_param)[4], \n" + " const float (*env_param)[4], \n" + " const float (*state_param)[4], \n" + " const float (*interp)[4], \n" + " float (*outputs)[4])\n" "{\n" - " GLfloat temp[32][4];\n" + " float temp[32][4];\n" ); } @@ -326,8 +353,8 @@ static void do_tex( const struct fragment_program *p, } printf(" {\n"); - printf(" GLfloat texcoord[4];\n"); - printf(" GLfloat result[4];\n"); + printf(" float texcoord[4];\n"); + printf(" float result[4];\n"); for (i = 0; i < 4; i++) { printf(" texcoord[%d] = ", i); @@ -464,7 +491,7 @@ static GLuint nr_args( GLuint opcode ) -static void upload_program( const struct fragment_program *p ) +static void print_program( const struct fragment_program *p ) { const struct fp_instruction *inst = p->Instructions; @@ -477,6 +504,7 @@ static void upload_program( const struct fragment_program *p ) src[i] = src_vector( &inst->SrcReg[i] ); /* Print the original program instruction string */ + if (p->Base.String) { const char *s = (const char *) p->Base.String + inst->StringPos; printf(" /* "); @@ -489,7 +517,7 @@ static void upload_program( const struct fragment_program *p ) switch (inst->Opcode) { case FP_OPCODE_ABS: - assign4(p, inst, "FABSF(%s)", src[0]); + assign4(p, inst, "fabsf(%s)", src[0]); break; case FP_OPCODE_ADD: @@ -541,25 +569,26 @@ static void upload_program( const struct fragment_program *p ) * result[1] = a[1] * b[1]; * result[2] = a[2] * 1; * result[3] = 1 * b[3]; - * - * Here we hope that the compiler can optimize away "x*1" to "x". */ - assign4(p, inst, - "%s*%s", - swizzle(src[0], _ONE, _Y, _Z, _ONE), - swizzle(src[1], _ONE, _Y, _ONE, _W )); + assign_single(0, p, inst, "1.0"); + + assign_single(1, p, inst, "%s * %s", + deref(src[0], _Y), deref(src[1], _Y)); + + assign_single(2, p, inst, "%s", deref(src[0], _Z)); + assign_single(3, p, inst, "%s", deref(src[1], _W)); break; case FP_OPCODE_EX2: - assign4_replicate(p, inst, "EX2(%s)", src[0]); + assign4_replicate(p, inst, "powf(2.0, %s)", src[0]); break; case FP_OPCODE_FLR: - assign4_replicate(p, inst, "FLR(%s)", src[0]); + assign4_replicate(p, inst, "floorf(%s)", src[0]); break; case FP_OPCODE_FRC: - assign4_replicate(p, inst, "FRC(%s)", src[0]); + assign4_replicate(p, inst, "%s - floorf(%s)", src[0], src[0]); break; case FP_OPCODE_KIL: @@ -567,13 +596,13 @@ static void upload_program( const struct fragment_program *p ) break; case FP_OPCODE_LG2: - assign4_replicate(p, inst, "LOG(%s)", deref(src[0], _X)); + assign4_replicate(p, inst, "LOG2(%s)", src[0]); break; case FP_OPCODE_LIT: assign_single(0, p, inst, "1.0"); assign_single(1, p, inst, "MIN2(%s, 0)", deref(src[0], _X)); - assign_single(2, p, inst, "(%s > 0.0) ? EXP(%s * MIN2(%s, 0)) : 0.0", + assign_single(2, p, inst, "(%s > 0.0) ? expf(%s * MIN2(%s, 0)) : 0.0", deref(src[0], _X), deref(src[0], _Z), deref(src[0], _Y)); @@ -607,26 +636,24 @@ static void upload_program( const struct fragment_program *p ) break; case FP_OPCODE_POW: - assign4_replicate(p, inst, "POW(%s, %s)", - deref(src[0], _X), - deref(src[1], _X)); + assign4_replicate(p, inst, "powf(%s, %s)", src[0], src[1]); break; case FP_OPCODE_RCP: - assign4_replicate(p, inst, "1.0/%s", deref(src[0], _X)); + assign4_replicate(p, inst, "1.0/%s", src[0]); break; case FP_OPCODE_RSQ: - assign4_replicate(p, inst, "INV_SQRTF(%s)", deref(src[0], _X)); + assign4_replicate(p, inst, "_mesa_inv_sqrtf(%s)", src[0]); break; case FP_OPCODE_SCS: if (inst->DstReg.WriteMask[0]) { - assign_single(0, p, inst, "COS(%s)", deref(src[0], _X)); + assign_single(0, p, inst, "cosf(%s)", deref(src[0], _X)); } if (inst->DstReg.WriteMask[1]) { - assign_single(1, p, inst, "SIN(%s)", deref(src[0], _X)); + assign_single(1, p, inst, "sinf(%s)", deref(src[0], _X)); } break; @@ -635,7 +662,7 @@ static void upload_program( const struct fragment_program *p ) break; case FP_OPCODE_SIN: - assign4_replicate(p, inst, "SIN(%s)", deref(src[0], _X)); + assign4_replicate(p, inst, "sinf(%s)", src[0]); break; case FP_OPCODE_SLT: @@ -691,7 +718,7 @@ void _swrast_translate_program( GLcontext *ctx ) { if (ctx->FragmentProgram.Current) { print_header(); - upload_program( ctx->FragmentProgram.Current ); + print_program( ctx->FragmentProgram.Current ); print_footer(); } } -- 2.30.2