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VideoBackends: add support to allow rendering to multiple output textures

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This commit is contained in:
iwubcode
2023-05-28 20:59:02 -05:00
parent 252d3f353a
commit 834f8f7b5c
43 changed files with 713 additions and 327 deletions
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70
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
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@ -126,6 +126,10 @@ void SHADER::SetProgramVariables()
void SHADER::SetProgramBindings(bool is_compute)
{
if (g_ogl_config.bSupportsExplicitLayoutInShader)
{
return;
}
if (!is_compute)
{
if (g_ActiveConfig.backend_info.bSupportsDualSourceBlend)
@ -729,6 +733,49 @@ void ProgramShaderCache::CreateHeader()
v >= GlslEs320 ||
g_ogl_config.SupportedMultisampleTexStorage != MultisampleTexStorageType::TexStorageNone;
std::string binding_layout;
if (g_ActiveConfig.backend_info.bSupportsBindingLayout)
{
if (g_ogl_config.bSupportsExplicitLayoutInShader)
{
binding_layout =
"#extension GL_ARB_explicit_attrib_location : enable\n"
"#define ATTRIBUTE_LOCATION(x) layout(location = x)\n"
"#define FRAGMENT_OUTPUT_LOCATION(x) layout(location = x)\n"
"#define FRAGMENT_OUTPUT_LOCATION_INDEXED(x, y) layout(location = x, index = y)\n"
"#define UBO_BINDING(packing, x) layout(packing, binding = x)\n"
"#define SAMPLER_BINDING(x) layout(binding = x)\n"
"#define TEXEL_BUFFER_BINDING(x) layout(binding = x)\n"
"#define SSBO_BINDING(x) layout(std430, binding = x)\n"
"#define IMAGE_BINDING(format, x) layout(format, binding = x)\n";
}
else
{
binding_layout = "#define ATTRIBUTE_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION_INDEXED(x, y)\n"
"#define UBO_BINDING(packing, x) layout(packing, binding = x)\n"
"#define SAMPLER_BINDING(x) layout(binding = x)\n"
"#define TEXEL_BUFFER_BINDING(x) layout(binding = x)\n"
"#define SSBO_BINDING(x) layout(std430, binding = x)\n"
"#define IMAGE_BINDING(format, x) layout(format, binding = x)\n";
}
}
else
{
binding_layout = "#define ATTRIBUTE_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION_INDEXED(x, y)\n"
"#define UBO_BINDING(packing, x) layout(packing)\n"
"#define SAMPLER_BINDING(x)\n"
"#define TEXEL_BUFFER_BINDING(x)\n"
"#define SSBO_BINDING(x) layout(std430)\n"
"#define IMAGE_BINDING(format, x) layout(format)\n";
}
// TODO: actually define this if using 'bSupportsExplicitLayoutInShader'
const std::string varying_location = "#define VARYING_LOCATION(x)\n";
std::string shader_shuffle_string;
if (g_ogl_config.bSupportsKHRShaderSubgroup)
{
@ -799,28 +846,7 @@ void ProgramShaderCache::CreateHeader()
(g_ogl_config.bSupportsMSAA && v < Glsl150) ?
"#extension GL_ARB_texture_multisample : enable" :
"",
// Attribute and fragment output bindings are still done via glBindAttribLocation and
// glBindFragDataLocation. In the future this could be moved to the layout qualifier
// in GLSL, but requires verification of GL_ARB_explicit_attrib_location.
g_ActiveConfig.backend_info.bSupportsBindingLayout ?
"#define ATTRIBUTE_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION_INDEXED(x, y)\n"
"#define UBO_BINDING(packing, x) layout(packing, binding = x)\n"
"#define SAMPLER_BINDING(x) layout(binding = x)\n"
"#define TEXEL_BUFFER_BINDING(x) layout(binding = x)\n"
"#define SSBO_BINDING(x) layout(std430, binding = x)\n"
"#define IMAGE_BINDING(format, x) layout(format, binding = x)\n" :
"#define ATTRIBUTE_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION(x)\n"
"#define FRAGMENT_OUTPUT_LOCATION_INDEXED(x, y)\n"
"#define UBO_BINDING(packing, x) layout(packing)\n"
"#define SAMPLER_BINDING(x)\n"
"#define TEXEL_BUFFER_BINDING(x)\n"
"#define SSBO_BINDING(x) layout(std430)\n"
"#define IMAGE_BINDING(format, x) layout(format)\n",
// Input/output blocks are matched by name during program linking
"#define VARYING_LOCATION(x)\n",
binding_layout.c_str(), varying_location.c_str(),
!is_glsles && g_ActiveConfig.backend_info.bSupportsFragmentStoresAndAtomics ?
"#extension GL_ARB_shader_storage_buffer_object : enable" :
"",