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Initial implementation of GL_MESA_program_debug - a vertex/fragment program

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debugging extension.
This commit is contained in:
Brian Paul
2003-07-21 04:22:40 +00:00
parent 190c11e06d
commit 08ff059f20
16 changed files with 461 additions and 20 deletions
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26
src/mesa/swrast/s_nvfragprog.c
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@@ -527,6 +527,14 @@ execute_program( GLcontext *ctx,
for (pc = 0; pc < maxInst; pc++) {
const struct fp_instruction *inst = program->Instructions + pc;
if (ctx->FragmentProgram.CallbackEnabled &&
ctx->FragmentProgram.Callback) {
ctx->FragmentProgram.CurrentPosition = inst->StringPos;
ctx->FragmentProgram.Callback(program->Base.Target,
ctx->FragmentProgram.CallbackData);
}
switch (inst->Opcode) {
case FP_OPCODE_ADD:
{
@@ -1105,8 +1113,12 @@ init_machine( GLcontext *ctx, struct fp_machine *machine,
const struct fragment_program *program,
const struct sw_span *span, GLuint col )
{
GLuint inputsRead = program->InputsRead;
GLuint j, u;
if (ctx->FragmentProgram.CallbackEnabled)
inputsRead = ~0;
/* Clear temporary registers */
_mesa_bzero(machine->Registers + FP_TEMP_REG_START,
MAX_NV_FRAGMENT_PROGRAM_TEMPS * 4 * sizeof(GLfloat));
@@ -1118,28 +1130,28 @@ init_machine( GLcontext *ctx, struct fp_machine *machine,
}
/* Load input registers */
if (program->InputsRead & (1 << FRAG_ATTRIB_WPOS)) {
if (inputsRead & (1 << FRAG_ATTRIB_WPOS)) {
GLfloat *wpos = machine->Registers[FP_INPUT_REG_START+FRAG_ATTRIB_WPOS];
wpos[0] = span->x + col;
wpos[1] = span->y;
wpos[2] = (GLfloat) span->array->z[col] / ctx->DepthMaxF;
wpos[3] = span->w + col * span->dwdx;
}
if (program->InputsRead & (1 << FRAG_ATTRIB_COL0)) {
if (inputsRead & (1 << FRAG_ATTRIB_COL0)) {
GLfloat *col0 = machine->Registers[FP_INPUT_REG_START+FRAG_ATTRIB_COL0];
col0[0] = CHAN_TO_FLOAT(span->array->rgba[col][RCOMP]);
col0[1] = CHAN_TO_FLOAT(span->array->rgba[col][GCOMP]);
col0[2] = CHAN_TO_FLOAT(span->array->rgba[col][BCOMP]);
col0[3] = CHAN_TO_FLOAT(span->array->rgba[col][ACOMP]);
}
if (program->InputsRead & (1 << FRAG_ATTRIB_COL1)) {
if (inputsRead & (1 << FRAG_ATTRIB_COL1)) {
GLfloat *col1 = machine->Registers[FP_INPUT_REG_START+FRAG_ATTRIB_COL1];
col1[0] = CHAN_TO_FLOAT(span->array->spec[col][RCOMP]);
col1[1] = CHAN_TO_FLOAT(span->array->spec[col][GCOMP]);
col1[2] = CHAN_TO_FLOAT(span->array->spec[col][BCOMP]);
col1[3] = CHAN_TO_FLOAT(span->array->spec[col][ACOMP]);
}
if (program->InputsRead & (1 << FRAG_ATTRIB_FOGC)) {
if (inputsRead & (1 << FRAG_ATTRIB_FOGC)) {
GLfloat *fogc = machine->Registers[FP_INPUT_REG_START+FRAG_ATTRIB_FOGC];
fogc[0] = span->array->fog[col];
fogc[1] = 0.0F;
@@ -1147,11 +1159,11 @@ init_machine( GLcontext *ctx, struct fp_machine *machine,
fogc[3] = 0.0F;
}
for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
if (program->InputsRead & (1 << (FRAG_ATTRIB_TEX0 + u))) {
if (inputsRead & (1 << (FRAG_ATTRIB_TEX0 + u))) {
GLfloat *tex = machine->Registers[FP_INPUT_REG_START+FRAG_ATTRIB_TEX0+u];
ASSERT(ctx->Texture._EnabledCoordUnits & (1 << 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);
/*ASSERT(tex[0] != 0 || tex[1] != 0 || tex[2] != 0);*/
}
}