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Hacking shaders to get dummy texture colors and such.

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This commit is contained in:
Ben Vanik
2013-10-20 00:20:36 -07:00
parent 737a567de6
commit 5a80c7b9c1
5 changed files with 219 additions and 33 deletions
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121
src/xenia/gpu/d3d11/d3d11_shader.cc
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@@ -605,10 +605,15 @@ void AppendDestReg(
break;
}
}
// TODO(benvanik): masking!
if (mask != 0xf) {
ctx.output->append(".");
// ctx.output->append(".");
for (int i = 0; i < 4; i++) {
ctx.output->append("%c", (mask & 0x1) ? chan_names[i] : '_');
// TODO(benvanik): mask out values? mix in old value as temp?
// ctx.output->append("%c", (mask & 0x1) ? chan_names[i] : 'w');
if (!(mask & 0x1)) {
XELOGW("D3D11 shader compiler skipping dest write mask!");
}
mask >>= 1;
}
}
@@ -1177,7 +1182,117 @@ int TranslateTextureFetch(
xe_gpu_translate_ctx_t& ctx, const instr_fetch_tex_t* tex, int sync) {
Output* output = ctx.output;
return 1;
// Disassemble.
static const char *filter[] = {
"POINT", // TEX_FILTER_POINT
"LINEAR", // TEX_FILTER_LINEAR
"BASEMAP", // TEX_FILTER_BASEMAP
};
static const char *aniso_filter[] = {
"DISABLED", // ANISO_FILTER_DISABLED
"MAX_1_1", // ANISO_FILTER_MAX_1_1
"MAX_2_1", // ANISO_FILTER_MAX_2_1
"MAX_4_1", // ANISO_FILTER_MAX_4_1
"MAX_8_1", // ANISO_FILTER_MAX_8_1
"MAX_16_1", // ANISO_FILTER_MAX_16_1
};
static const char *arbitrary_filter[] = {
"2x4_SYM", // ARBITRARY_FILTER_2X4_SYM
"2x4_ASYM", // ARBITRARY_FILTER_2X4_ASYM
"4x2_SYM", // ARBITRARY_FILTER_4X2_SYM
"4x2_ASYM", // ARBITRARY_FILTER_4X2_ASYM
"4x4_SYM", // ARBITRARY_FILTER_4X4_SYM
"4x4_ASYM", // ARBITRARY_FILTER_4X4_ASYM
};
static const char *sample_loc[] = {
"CENTROID", // SAMPLE_CENTROID
"CENTER", // SAMPLE_CENTER
};
uint32_t src_swiz = tex->src_swiz;
output->append(" // %sFETCH:\t", sync ? "(S)" : " ");
if (tex->pred_select) {
output->append(tex->pred_condition ? "EQ" : "NE");
}
print_fetch_dst(output, tex->dst_reg, tex->dst_swiz);
output->append(" = R%u.", tex->src_reg);
for (int i = 0; i < 3; i++) {
output->append("%c", chan_names[src_swiz & 0x3]);
src_swiz >>= 2;
}
output->append(" CONST(%u)", tex->const_idx);
if (tex->fetch_valid_only) {
output->append(" VALID_ONLY");
}
if (tex->tx_coord_denorm) {
output->append(" DENORM");
}
if (tex->mag_filter != TEX_FILTER_USE_FETCH_CONST) {
output->append(" MAG(%s)", filter[tex->mag_filter]);
}
if (tex->min_filter != TEX_FILTER_USE_FETCH_CONST) {
output->append(" MIN(%s)", filter[tex->min_filter]);
}
if (tex->mip_filter != TEX_FILTER_USE_FETCH_CONST) {
output->append(" MIP(%s)", filter[tex->mip_filter]);
}
if (tex->aniso_filter != ANISO_FILTER_USE_FETCH_CONST) {
output->append(" ANISO(%s)", aniso_filter[tex->aniso_filter]);
}
if (tex->arbitrary_filter != ARBITRARY_FILTER_USE_FETCH_CONST) {
output->append(" ARBITRARY(%s)", arbitrary_filter[tex->arbitrary_filter]);
}
if (tex->vol_mag_filter != TEX_FILTER_USE_FETCH_CONST) {
output->append(" VOL_MAG(%s)", filter[tex->vol_mag_filter]);
}
if (tex->vol_min_filter != TEX_FILTER_USE_FETCH_CONST) {
output->append(" VOL_MIN(%s)", filter[tex->vol_min_filter]);
}
if (!tex->use_comp_lod) {
output->append(" LOD(%u)", tex->use_comp_lod);
output->append(" LOD_BIAS(%u)", tex->lod_bias);
}
if (tex->use_reg_lod) {
output->append(" REG_LOD(%u)", tex->use_reg_lod);
}
if (tex->use_reg_gradients) {
output->append(" USE_REG_GRADIENTS");
}
output->append(" LOCATION(%s)", sample_loc[tex->sample_location]);
if (tex->offset_x || tex->offset_y || tex->offset_z) {
output->append(" OFFSET(%u,%u,%u)", tex->offset_x, tex->offset_y, tex->offset_z);
}
output->append("\n");
// Translate.
src_swiz = tex->src_swiz;
output->append(" ");
output->append("r%u.xyzw", tex->dst_reg);
output->append(" = ");
uint32_t fetch_slot = tex->const_idx * 3;
//output->append("i.vf%u_%d.", fetch_slot, vtx->offset);
// Texture2D some_texture;
// SamplerState some_sampler;
// some_texture.Sample(some_sampler, coords)
output->append("float4(1.0, 0.0, 0.0, 1.0).");
// Pass one over dest does xyzw and fakes the special values.
// TODO(benvanik): detect and set as rN = float4(samp.xyz, 1.0); / etc
uint32_t dst_swiz = tex->dst_swiz;
for (int i = 0; i < 4; i++) {
output->append("%c", chan_names[dst_swiz & 0x3]);
dst_swiz >>= 3;
}
output->append(";\n");
// Do another pass to set constant values.
dst_swiz = tex->dst_swiz;
for (int i = 0; i < 4; i++) {
if ((dst_swiz & 0x7) == 4) {
output->append(" r%u.%c = 0.0;\n", tex->dst_reg, chan_names[i]);
} else if ((dst_swiz & 0x7) == 5) {
output->append(" r%u.%c = 1.0;\n", tex->dst_reg, chan_names[i]);
}
dst_swiz >>= 3;
}
return 0;
}
struct {