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metal: more work on shader texture bindings

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This commit is contained in:
Alex Szpakowski
2020-10-24 17:58:25 -03:00
parent 3b2b9ef5fd
commit 6f3e590a82
2 changed files with 49 additions and 7 deletions
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src/modules/graphics/metal/Shader.mm
+29 -3
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@@ -187,7 +187,9 @@ Shader::Shader(id<MTLDevice> device, love::graphics::ShaderStage *vertex, love::
for (const auto &resource : resources.sampled_images)
{
// TODO: set MainTex to binding 0
int binding = msl.get_decoration(resource.id, spv::DecorationBinding);
const SPIRType &type = msl.get_type(resource.base_type_id);
BuiltinUniform builtin = BUILTIN_MAX_ENUM;
if (getConstant(resource.name.c_str(), builtin))
@@ -207,12 +209,36 @@ Shader::Shader(id<MTLDevice> device, love::graphics::ShaderStage *vertex, love::
u.baseType = UNIFORM_SAMPLER;
u.name = resource.name;
u.location = 0;
u.textures = new love::graphics::Texture*[1];
u.textures[0] = nullptr;
u.data = malloc(sizeof(int) * 1);
u.ints[0] = binding;
// printf("binding for %s: %d\n", u.name.c_str(), binding);
switch (type.image.dim)
{
case spv::Dim2D:
u.textureType = type.image.arrayed ? TEXTURE_2D_ARRAY : TEXTURE_2D;
u.textures = new love::graphics::Texture*[1];
u.textures[0] = nullptr;
break;
case spv::Dim3D:
u.textureType = TEXTURE_VOLUME;
u.textures = new love::graphics::Texture*[1];
u.textures[0] = nullptr;
break;
case spv::DimCube:
if (type.image.arrayed)
throw love::Exception("Cubemap Arrays are not currently supported.");
u.textureType = TEXTURE_CUBE;
u.textures = new love::graphics::Texture*[1];
u.textures[0] = nullptr;
break;
case spv::DimBuffer:
// TODO: are texel buffers sampled images in glslang?
break;
default:
break;
}
uniforms[u.name] = u;
}
@@ -352,7 +378,7 @@ Shader::Shader(id<MTLDevice> device, love::graphics::ShaderStage *vertex, love::
{
spv::StorageClass storage = msl.get_storage_class(var);
const std::string &name = msl.get_name(var);
printf("var: %s\n", name.c_str());
// printf("var: %s\n", name.c_str());
if (i == ShaderStage::STAGE_VERTEX && storage == spv::StorageClassInput)
attributes[name] = msl.get_decoration(var, spv::DecorationLocation);