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gl: Implement basic MSAA rendertarget support

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- Enough to get some popular titles working.
- Some depth resolvers still need work
This commit is contained in:
kd-11 2025-02-08 18:19:44 +03:00 • committed by kd-11
parent 26d85e53a4
commit 042be7d7d1
12 changed files with 309 additions and 55 deletions
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32
rpcs3/Emu/RSX/GL/GLFragmentProgram.cpp
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@ -44,6 +44,21 @@ void GLFragmentDecompilerThread::insertHeader(std::stringstream & OS)
}
}
if (properties.multisampled_sampler_mask)
{
// Requires this extension or GLSL 450
const auto driver_caps = gl::get_driver_caps();
if (driver_caps.glsl_version.version >= 450)
{
gl_version = 450;
}
else
{
ensure(driver_caps.ARB_shader_texture_image_samples, "MSAA support on OpenGL requires a driver running OpenGL 4.5 or supporting GL_ARB_shader_texture_image_samples.");
required_extensions.push_back("GL_ARB_shader_texture_image_samples");
}
}
if (m_prog.ctrl & RSX_SHADER_CONTROL_ATTRIBUTE_INTERPOLATION)
{
gl_version = std::max(gl_version, 450);
@ -110,10 +125,14 @@ void GLFragmentDecompilerThread::insertConstants(std::stringstream & OS)
const auto mask = (1 << index);
if (properties.redirected_sampler_mask & mask)
if (properties.multisampled_sampler_mask & mask)
{
// Provide a stencil view of the main resource for the S channel
OS << "uniform u" << samplerType << " " << PI.name << "_stencil;\n";
if (samplerType != "sampler1D" && samplerType != "sampler2D")
{
rsx_log.error("Unexpected multisampled image type '%s'", samplerType);
}
samplerType = "sampler2DMS";
}
else if (properties.shadow_sampler_mask & mask)
{
@ -127,6 +146,12 @@ void GLFragmentDecompilerThread::insertConstants(std::stringstream & OS)
}
}
if (properties.redirected_sampler_mask & mask)
{
// Provide a stencil view of the main resource for the S channel
OS << "uniform u" << samplerType << " " << PI.name << "_stencil;\n";
}
OS << "uniform " << samplerType << " " << PI.name << ";\n";
}
}
@ -188,6 +213,7 @@ void GLFragmentDecompilerThread::insertGlobalFunctions(std::stringstream &OS)
m_shader_props.require_wpos = !!(properties.in_register_mask & in_wpos);
m_shader_props.require_texture_ops = properties.has_tex_op;
m_shader_props.require_tex_shadow_ops = properties.shadow_sampler_mask != 0;
m_shader_props.require_msaa_ops = properties.multisampled_sampler_mask != 0;
m_shader_props.require_texture_expand = properties.has_exp_tex_op;
m_shader_props.require_srgb_to_linear = properties.has_upg;
m_shader_props.require_linear_to_srgb = properties.has_pkg;