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rsx: Fixups for data cast operations via typeless transfer

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kd-11 2019-04-05 14:39:43 +03:00 • committed by kd-11
parent f04a0a2bb6
commit a5ed30a8c0
9 changed files with 207 additions and 86 deletions
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91
rpcs3/Emu/RSX/GL/GLTexture.cpp
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@ -615,6 +615,97 @@ namespace gl
fill_texture(type, mipmaps, gcm_format, width, height, depth, subresources_layout, is_swizzled, gl_format, gl_type, data_upload_buf);
}
u32 get_format_texel_width(GLenum format)
{
switch (format)
{
case GL_R8:
return 1;
case GL_R32F:
case GL_RG16:
case GL_RG16F:
case GL_RGBA8:
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return 4;
case GL_R16:
case GL_RG8:
case GL_RGB565:
return 2;
case GL_RGBA16F:
return 8;
case GL_RGBA32F:
return 16;
case GL_DEPTH_COMPONENT16:
return 2;
case GL_DEPTH24_STENCIL8:
case GL_DEPTH32F_STENCIL8:
return 4;
default:
fmt::throw_exception("Unexpected internal format 0x%X" HERE, (u32)format);
}
}
std::pair<bool, u32> get_format_convert_flags(GLenum format)
{
switch (format)
{
case GL_R8:
case GL_RG8:
case GL_RGBA8:
return { false, 1 };
case GL_R16:
case GL_RG16:
case GL_RG16F:
case GL_RGB565:
case GL_RGBA16F:
return { true, 2 };
case GL_R32F:
case GL_RGBA32F:
return { true, 4 };
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return { false, 4 };
case GL_DEPTH_COMPONENT16:
return { true, 2 };
case GL_DEPTH24_STENCIL8:
case GL_DEPTH32F_STENCIL8:
return { true, 4 };
default:
fmt::throw_exception("Unexpected internal format 0x%X" HERE, (u32)format);
}
}
bool formats_are_bitcast_compatible(GLenum format1, GLenum format2)
{
if (LIKELY(format1 == format2))
{
return true;
}
// Formats are compatible if the following conditions are met:
// 1. Texel sizes must match
// 2. Both formats require no transforms (basic memcpy) or...
// 3. Both formats have the same transform (e.g RG16_UNORM to RG16_SFLOAT, both are down and uploaded with a 2-byte byteswap)
if (get_format_texel_width(format1) != get_format_texel_width(format2))
{
return false;
}
const auto transform_a = get_format_convert_flags(format1);
const auto transform_b = get_format_convert_flags(format2);
if (transform_a.first == transform_b.first)
{
return !transform_a.first || (transform_a.second == transform_b.second);
}
return false;
}
void copy_typeless(texture * dst, const texture * src)
{
GLsizeiptr src_mem = src->width() * src->height();