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authorBrian <brian@yutani.localnet.net>2007-02-01 09:51:48 -0700
committerBrian <brian@yutani.localnet.net>2007-02-01 09:51:48 -0700
commitf3e507ef9f75dbfc58ccd07b5fe8cfca10d9a9e3 (patch)
tree52aaa2c8e7f9688752f2010254cd04aa5b117743 /src/mesa/swrast/s_fragprog.c
parent81ef03be65f1458d627528a13cb86feb992d758f (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.c84
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 */