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Commit 66aaf723 by Geoff Lang
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Always store GL_DEPTH_COMPONENT32_OES as a 24-bit depth format.

Greatly simplifies the format utils by not having any internal format <-> DXGI format conversions depend on the client version. 32 bit floats and 24bit integers have very close precision in the [0,1] range so there should be no precision issues. BUG=angle:659 Change-Id: Ife64445ef35f77283fc4c70c98754f5e87b6fb19 Reviewed-on: https://chromium-review.googlesource.com/202507Reviewed-by: 's avatarShannon Woods <shannonwoods@chromium.org> Tested-by: 's avatarGeoff Lang <geofflang@chromium.org>
parent cbb8412a
Showing with 13 additions and 39 deletions
src/libGLESv2/renderer/d3d11/formatutils11.cpp
......@@ -375,10 +375,12 @@ static D3D11ES2FormatMap BuildD3D11ES2FormatMap()
// | Internal format | | Texture format | SRV format | RTV format | DSV format | Load function |
map.insert(D3D11ES2FormatPair(GL_NONE, D3D11ES2FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction )));
map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT16, D3D11ES2FormatInfo(DXGI_FORMAT_R16_TYPELESS, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM, UnreachableLoadFunction )));
map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT32_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT, UnreachableLoadFunction )));
map.insert(D3D11ES2FormatPair(GL_DEPTH24_STENCIL8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT, UnreachableLoadFunction )));
map.insert(D3D11ES2FormatPair(GL_STENCIL_INDEX8, D3D11ES2FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_X24_TYPELESS_G8_UINT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT, UnreachableLoadFunction )));
// Since D3D11 doesn't have a D32_UNORM format, use D24S8 which has comparable precision and matches the ES3 format.
map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT32_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT, UnreachableLoadFunction )));
map.insert(D3D11ES2FormatPair(GL_RGBA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBAFloatDataToRGBA )));
map.insert(D3D11ES2FormatPair(GL_RGB32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBFloatDataToRGBA )));
map.insert(D3D11ES2FormatPair(GL_ALPHA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadAlphaFloatDataToRGBA )));
......@@ -558,7 +560,7 @@ inline void AddDXGIToESEntry(DXGIToESFormatMap *map, DXGI_FORMAT key, GLenum val
map->insert(std::make_pair(key, value));
}
static DXGIToESFormatMap BuildCommonDXGIToESFormatMap()
static DXGIToESFormatMap BuildDXGIToESFormatMap()
{
DXGIToESFormatMap map;
......@@ -621,6 +623,8 @@ static DXGIToESFormatMap BuildCommonDXGIToESFormatMap()
AddDXGIToESEntry(&map, DXGI_FORMAT_R32G8X24_TYPELESS, GL_DEPTH32F_STENCIL8);
AddDXGIToESEntry(&map, DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS, GL_DEPTH32F_STENCIL8);
AddDXGIToESEntry(&map, DXGI_FORMAT_D32_FLOAT_S8X24_UINT, GL_DEPTH32F_STENCIL8);
AddDXGIToESEntry(&map, DXGI_FORMAT_R32_TYPELESS, GL_DEPTH_COMPONENT32F);
AddDXGIToESEntry(&map, DXGI_FORMAT_D32_FLOAT, GL_DEPTH_COMPONENT32F);
AddDXGIToESEntry(&map, DXGI_FORMAT_BC1_UNORM, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT);
AddDXGIToESEntry(&map, DXGI_FORMAT_BC2_UNORM, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE);
......@@ -629,26 +633,6 @@ static DXGIToESFormatMap BuildCommonDXGIToESFormatMap()
return map;
}
static DXGIToESFormatMap BuildDXGIToES2FormatMap()
{
DXGIToESFormatMap map = BuildCommonDXGIToESFormatMap();
AddDXGIToESEntry(&map, DXGI_FORMAT_R32_TYPELESS, GL_DEPTH_COMPONENT32_OES);
AddDXGIToESEntry(&map, DXGI_FORMAT_D32_FLOAT, GL_DEPTH_COMPONENT32_OES);
return map;
}
static DXGIToESFormatMap BuildDXGIToES3FormatMap()
{
DXGIToESFormatMap map = BuildCommonDXGIToESFormatMap();
AddDXGIToESEntry(&map, DXGI_FORMAT_R32_TYPELESS, GL_DEPTH_COMPONENT32F);
AddDXGIToESEntry(&map, DXGI_FORMAT_D32_FLOAT, GL_DEPTH_COMPONENT32F);
return map;
}
static const DXGIFormatInfoMap &GetDXGIFormatInfoMap()
{
static const DXGIFormatInfoMap infoMap = BuildDXGIFormatInfoMap();
......@@ -1634,27 +1618,17 @@ namespace d3d11_gl
GLenum GetInternalFormat(DXGI_FORMAT format, GLuint clientVersion)
{
if (clientVersion == 2)
static const DXGIToESFormatMap formatMap = BuildDXGIToESFormatMap();
auto formatIt = formatMap.find(format);
if (formatIt != formatMap.end())
{
static DXGIToESFormatMap es2FormatMap = BuildDXGIToES2FormatMap();
auto formatIt = es2FormatMap.find(format);
if (formatIt != es2FormatMap.end())
{
return formatIt->second;
}
return formatIt->second;
}
else if (clientVersion == 3)
else
{
static DXGIToESFormatMap es3FormatMap = BuildDXGIToES3FormatMap();
auto formatIt = es3FormatMap.find(format);
if (formatIt != es3FormatMap.end())
{
return formatIt->second;
}
UNREACHABLE();
return GL_NONE;
}
UNREACHABLE();
return GL_NONE;
}
}
......
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