Fix Vulkan texture drawing.

This commit is contained in:
Dr. Chat
2016-03-08 17:57:04 -06:00
parent af7fc20c38
commit 4e27539709
4 changed files with 310 additions and 202 deletions

View File

@@ -164,33 +164,37 @@ void SpirvShaderTranslator::StartTranslation() {
push_constants_type, "push_consts");
// Texture bindings
Id samplers_t = b.makeSamplerType();
Id img_t[] = {
b.makeImageType(float_type_, spv::Dim::Dim1D, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown),
b.makeImageType(float_type_, spv::Dim::Dim2D, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown),
b.makeImageType(float_type_, spv::Dim::Dim3D, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown),
b.makeImageType(float_type_, spv::Dim::DimCube, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown)};
Id tex_t[] = {b.makeSampledImageType(b.makeImageType(
float_type_, spv::Dim::Dim1D, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown)),
b.makeSampledImageType(b.makeImageType(
float_type_, spv::Dim::Dim2D, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown)),
b.makeSampledImageType(b.makeImageType(
float_type_, spv::Dim::Dim3D, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown)),
b.makeSampledImageType(b.makeImageType(
float_type_, spv::Dim::DimCube, false, false, false, 1,
spv::ImageFormat::ImageFormatUnknown))};
Id samplers_a = b.makeArrayType(samplers_t, b.makeUintConstant(32), 0);
Id img_a_t[] = {b.makeArrayType(img_t[0], b.makeUintConstant(32), 0),
b.makeArrayType(img_t[1], b.makeUintConstant(32), 0),
b.makeArrayType(img_t[2], b.makeUintConstant(32), 0),
b.makeArrayType(img_t[3], b.makeUintConstant(32), 0)};
// Id samplers_a = b.makeArrayType(sampler_t, b.makeUintConstant(32), 0);
Id tex_a_t[] = {b.makeArrayType(tex_t[0], b.makeUintConstant(32), 0),
b.makeArrayType(tex_t[1], b.makeUintConstant(32), 0),
b.makeArrayType(tex_t[2], b.makeUintConstant(32), 0),
b.makeArrayType(tex_t[3], b.makeUintConstant(32), 0)};
samplers_ = b.createVariable(spv::StorageClass::StorageClassUniformConstant,
samplers_a, "samplers");
b.addDecoration(samplers_, spv::Decoration::DecorationDescriptorSet, 1);
b.addDecoration(samplers_, spv::Decoration::DecorationBinding, 0);
// TODO(DrChat): See texture_cache.cc - do we need separate samplers here?
// samplers_ =
// b.createVariable(spv::StorageClass::StorageClassUniformConstant,
// samplers_a, "samplers");
// b.addDecoration(samplers_, spv::Decoration::DecorationDescriptorSet, 1);
// b.addDecoration(samplers_, spv::Decoration::DecorationBinding, 0);
for (int i = 0; i < 4; i++) {
img_[i] = b.createVariable(spv::StorageClass::StorageClassUniformConstant,
img_a_t[i],
xe::format_string("images%dD", i + 1).c_str());
b.addDecoration(img_[i], spv::Decoration::DecorationDescriptorSet, 1);
b.addDecoration(img_[i], spv::Decoration::DecorationBinding, i + 1);
tex_[i] = b.createVariable(spv::StorageClass::StorageClassUniformConstant,
tex_a_t[i],
xe::format_string("textures%dD", i + 1).c_str());
b.addDecoration(tex_[i], spv::Decoration::DecorationDescriptorSet, 1);
b.addDecoration(tex_[i], spv::Decoration::DecorationBinding, i + 1);
}
// Interpolators.
@@ -674,25 +678,15 @@ void SpirvShaderTranslator::ProcessTextureFetchInstruction(
switch (instr.opcode) {
case FetchOpcode::kTextureFetch: {
auto image_index = b.makeUintConstant(instr.operands[1].storage_index);
auto image_ptr =
auto texture_index = b.makeUintConstant(instr.operands[1].storage_index);
auto texture_ptr =
b.createAccessChain(spv::StorageClass::StorageClassUniformConstant,
img_[dim_idx], std::vector<Id>({image_index}));
auto sampler_ptr =
b.createAccessChain(spv::StorageClass::StorageClassUniformConstant,
samplers_, std::vector<Id>({image_index}));
auto image = b.createLoad(image_ptr);
auto sampler = b.createLoad(sampler_ptr);
assert(b.isImageType(b.getTypeId(image)));
assert(b.isSamplerType(b.getTypeId(sampler)));
auto sampled_image_type = b.makeSampledImageType(b.getImageType(image));
auto tex = b.createBinOp(spv::Op::OpSampledImage, sampled_image_type,
image, sampler);
tex_[dim_idx], std::vector<Id>({texture_index}));
auto texture = b.createLoad(texture_ptr);
spv::Builder::TextureParameters params = {0};
params.coords = src;
params.sampler = tex;
params.sampler = texture;
dest = b.createTextureCall(spv::NoPrecision, vec4_float_type_, false,
false, false, false, false, params);
} break;
@@ -1741,10 +1735,18 @@ void SpirvShaderTranslator::StoreToResult(Id source_value_id,
auto n_dst = b.getNumTypeComponents(storage_type);
assert_true(n_el < n_dst);
constituents.push_back(source_value_id);
for (int i = n_el; i < n_dst; i++) {
// Pad with zeroes.
constituents.push_back(b.makeFloatConstant(0.f));
if (n_el == 1) {
// Smear scalar.
for (int i = 0; i < n_dst; i++) {
constituents.push_back(source_value_id);
}
} else {
// FIXME: This may not work as intended.
constituents.push_back(source_value_id);
for (int i = n_el; i < n_dst; i++) {
// Pad with zeroes.
constituents.push_back(b.makeFloatConstant(0.f));
}
}
source_value_id =