diff options
author | Brian <brian@yutani.localnet.net> | 2007-02-01 09:51:48 -0700 |
---|---|---|
committer | Brian <brian@yutani.localnet.net> | 2007-02-01 09:51:48 -0700 |
commit | f3e507ef9f75dbfc58ccd07b5fe8cfca10d9a9e3 (patch) | |
tree | 52aaa2c8e7f9688752f2010254cd04aa5b117743 /src/mesa/swrast/s_fragprog.c | |
parent | 81ef03be65f1458d627528a13cb86feb992d758f (diff) |
New SWspanarrays attribs[] array.
Replace texcoord[], varying[], etc. arrays with single attribs[] array, indexed
by FRAG_ATTRIB_* values.
Eliminates need to copy data into fragment program machine input registers.
Will lead to future clean-ups.
Diffstat (limited to 'src/mesa/swrast/s_fragprog.c')
-rw-r--r-- | src/mesa/swrast/s_fragprog.c | 84 |
1 files changed, 16 insertions, 68 deletions
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c index 12afb5ea0ed..9ae423dde92 100644 --- a/src/mesa/swrast/s_fragprog.c +++ b/src/mesa/swrast/s_fragprog.c @@ -47,8 +47,11 @@ */ struct fp_machine { + /** Fragment Input attributes */ + GLfloat (*Attribs)[MAX_WIDTH][4]; + GLuint CurFrag; /**< Index into Attribs arrays */ + GLfloat Temporaries[MAX_PROGRAM_TEMPS][4]; - GLfloat Inputs[FRAG_ATTRIB_MAX][4]; GLfloat Outputs[FRAG_RESULT_MAX][4]; GLuint CondCodes[4]; /**< COND_* value for x/y/z/w */ @@ -72,7 +75,7 @@ _swrast_get_program_register(GLcontext *ctx, enum register_file file, if (CurrentMachine) { switch (file) { case PROGRAM_INPUT: - COPY_4V(val, CurrentMachine->Inputs[index]); + COPY_4V(val, CurrentMachine->Attribs[index][CurrentMachine->CurFrag]); break; case PROGRAM_OUTPUT: COPY_4V(val, CurrentMachine->Outputs[index]); @@ -160,7 +163,7 @@ get_register_pointer( GLcontext *ctx, return machine->Temporaries[source->Index]; case PROGRAM_INPUT: ASSERT(source->Index < FRAG_ATTRIB_MAX); - return machine->Inputs[source->Index]; + return machine->Attribs[source->Index][machine->CurFrag]; case PROGRAM_OUTPUT: /* This is only for PRINT */ ASSERT(source->Index < FRAG_RESULT_MAX); @@ -554,7 +557,7 @@ init_machine_deriv( GLcontext *ctx, /* Add derivatives */ if (program->Base.InputsRead & FRAG_BIT_WPOS) { - GLfloat *wpos = (GLfloat*) machine->Inputs[FRAG_ATTRIB_WPOS]; + GLfloat *wpos = machine->Attribs[FRAG_ATTRIB_WPOS][machine->CurFrag]; if (xOrY == 'X') { wpos[0] += 1.0F; wpos[1] += 0.0F; @@ -569,7 +572,7 @@ init_machine_deriv( GLcontext *ctx, } } if (program->Base.InputsRead & FRAG_BIT_COL0) { - GLfloat *col0 = (GLfloat*) machine->Inputs[FRAG_ATTRIB_COL0]; + GLfloat *col0 = machine->Attribs[FRAG_ATTRIB_COL0][machine->CurFrag]; if (xOrY == 'X') { col0[0] += span->drdx * (1.0F / CHAN_MAXF); col0[1] += span->dgdx * (1.0F / CHAN_MAXF); @@ -584,7 +587,7 @@ init_machine_deriv( GLcontext *ctx, } } if (program->Base.InputsRead & FRAG_BIT_COL1) { - GLfloat *col1 = (GLfloat*) machine->Inputs[FRAG_ATTRIB_COL1]; + GLfloat *col1 = machine->Attribs[FRAG_ATTRIB_COL1][machine->CurFrag]; if (xOrY == 'X') { col1[0] += span->dsrdx * (1.0F / CHAN_MAXF); col1[1] += span->dsgdx * (1.0F / CHAN_MAXF); @@ -599,7 +602,7 @@ init_machine_deriv( GLcontext *ctx, } } if (program->Base.InputsRead & FRAG_BIT_FOGC) { - GLfloat *fogc = (GLfloat*) machine->Inputs[FRAG_ATTRIB_FOGC]; + GLfloat *fogc = machine->Attribs[FRAG_ATTRIB_FOGC][machine->CurFrag]; if (xOrY == 'X') { fogc[0] += span->dfogdx; } @@ -609,7 +612,7 @@ init_machine_deriv( GLcontext *ctx, } for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) { if (program->Base.InputsRead & FRAG_BIT_TEX(u)) { - GLfloat *tex = (GLfloat*) machine->Inputs[FRAG_ATTRIB_TEX0 + u]; + GLfloat *tex = machine->Attribs[FRAG_ATTRIB_TEX0 + u][machine->CurFrag]; /* XXX perspective-correct interpolation */ if (xOrY == 'X') { tex[0] += span->texStepX[u][0]; @@ -628,7 +631,7 @@ init_machine_deriv( GLcontext *ctx, for (v = 0; v < ctx->Const.MaxVarying; v++) { if (program->Base.InputsRead & FRAG_BIT_VAR(v)) { - GLfloat *var = (GLfloat*) machine->Inputs[FRAG_ATTRIB_VAR0 + v]; + GLfloat *var = machine->Attribs[FRAG_ATTRIB_VAR0 + v][machine->CurFrag]; if (xOrY == 'X') { var[0] += span->varStepX[v][0]; var[1] += span->varStepX[v][1]; @@ -1686,7 +1689,6 @@ init_machine( GLcontext *ctx, struct fp_machine *machine, const SWspan *span, GLuint col ) { GLuint inputsRead = program->Base.InputsRead; - GLuint u, v; if (ctx->FragmentProgram.CallbackEnabled) inputsRead = ~0; @@ -1697,63 +1699,9 @@ init_machine( GLcontext *ctx, struct fp_machine *machine, MAX_NV_FRAGMENT_PROGRAM_TEMPS * 4 * sizeof(GLfloat)); } - /* Load input registers */ - if (inputsRead & FRAG_BIT_WPOS) { - GLfloat *wpos = machine->Inputs[FRAG_ATTRIB_WPOS]; - ASSERT(span->arrayMask & SPAN_Z); - if (span->arrayMask & SPAN_XY) { - wpos[0] = (GLfloat) span->array->x[col]; - wpos[1] = (GLfloat) span->array->y[col]; - } - else { - wpos[0] = (GLfloat) span->x + col; - wpos[1] = (GLfloat) span->y; - } - wpos[2] = (GLfloat) span->array->z[col] / ctx->DrawBuffer->_DepthMaxF; - wpos[3] = span->w + col * span->dwdx; - } - if (inputsRead & FRAG_BIT_COL0) { - ASSERT(span->arrayMask & SPAN_RGBA); - COPY_4V(machine->Inputs[FRAG_ATTRIB_COL0], - span->array->color.sz4.rgba[col]); - } - if (inputsRead & FRAG_BIT_COL1) { - ASSERT(span->arrayMask & SPAN_SPEC); - COPY_4V(machine->Inputs[FRAG_ATTRIB_COL1], - span->array->color.sz4.spec[col]); - } - if (inputsRead & FRAG_BIT_FOGC) { - GLfloat *fogc = machine->Inputs[FRAG_ATTRIB_FOGC]; - ASSERT(span->arrayMask & SPAN_FOG); - fogc[0] = span->array->fog[col]; - fogc[1] = 0.0F; - fogc[2] = 0.0F; - fogc[3] = 0.0F; - } - for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) { - if (inputsRead & FRAG_BIT_TEX(u)) { - GLfloat *tex = machine->Inputs[FRAG_ATTRIB_TEX0 + u]; - /*ASSERT(ctx->Texture._EnabledCoordUnits & (1 << u));*/ - COPY_4V(tex, span->array->texcoords[u][col]); - /*ASSERT(tex[0] != 0 || tex[1] != 0 || tex[2] != 0);*/ -#if 0 - printf("Texcoord %d: %g %g %g %g\n", u, - tex[0], tex[1], tex[2], tex[3]); -#endif - } - } - for (v = 0; v < ctx->Const.MaxVarying; v++) { - if (inputsRead & FRAG_BIT_VAR(v)) { -#if 0 - printf("Frag Var %d at y=%d: %f %f %f\n", v, col, - span->array->varying[v][col][0], - span->array->varying[v][col][1], - span->array->varying[v][col][2]); -#endif - COPY_4V(machine->Inputs[FRAG_ATTRIB_VAR0 + v], - span->array->varying[v][col]); - } - } + /* Setup pointer to input attributes */ + machine->Attribs = span->array->attribs; + machine->CurFrag = col; /* init condition codes */ machine->CondCodes[0] = COND_EQ; @@ -1784,7 +1732,7 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end) if (execute_program(ctx, program, ~0, &machine, span, i)) { /* Store result color */ - COPY_4V(span->array->color.sz4.rgba[i], + COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i], machine.Outputs[FRAG_RESULT_COLR]); /* Store result depth/z */ |