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//
// Copyright 2012 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// renderer11_utils.cpp: Conversion functions and other utility routines
// specific to the D3D11 renderer.
#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
#include <versionhelpers.h>
#include <algorithm>
#include "common/debug.h"
#include "libANGLE/Buffer.h"
#include "libANGLE/Context.h"
#include "libANGLE/Framebuffer.h"
#include "libANGLE/Program.h"
#include "libANGLE/State.h"
#include "libANGLE/VertexArray.h"
#include "libANGLE/formatutils.h"
#include "libANGLE/renderer/d3d/BufferD3D.h"
#include "libANGLE/renderer/d3d/FramebufferD3D.h"
#include "libANGLE/renderer/d3d/d3d11/Context11.h"
#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
#include "libANGLE/renderer/driver_utils.h"
#include "libANGLE/renderer/dxgi_support_table.h"
#include "platform/FeaturesD3D_autogen.h"
#include "platform/PlatformMethods.h"
namespace rx
{
namespace d3d11_gl
{
namespace
{
// TODO(xinghua.cao@intel.com): Get a more accurate limit.
static D3D_FEATURE_LEVEL kMinimumFeatureLevelForES31 = D3D_FEATURE_LEVEL_11_0;
// Helper functor for querying DXGI support. Saves passing the parameters repeatedly.
class DXGISupportHelper : angle::NonCopyable
{
public:
DXGISupportHelper(ID3D11Device *device, D3D_FEATURE_LEVEL featureLevel)
: mDevice(device), mFeatureLevel(featureLevel)
{}
bool query(DXGI_FORMAT dxgiFormat, UINT supportMask)
{
if (dxgiFormat == DXGI_FORMAT_UNKNOWN)
return false;
auto dxgiSupport = d3d11::GetDXGISupport(dxgiFormat, mFeatureLevel);
UINT supportedBits = dxgiSupport.alwaysSupportedFlags;
if ((dxgiSupport.optionallySupportedFlags & supportMask) != 0)
{
UINT formatSupport;
if (SUCCEEDED(mDevice->CheckFormatSupport(dxgiFormat, &formatSupport)))
{
supportedBits |= (formatSupport & supportMask);
}
else
{
// TODO(jmadill): find out why we fail this call sometimes in FL9_3
// ERR() << "Error checking format support for format 0x" << std::hex << dxgiFormat;
}
}
return ((supportedBits & supportMask) == supportMask);
}
private:
ID3D11Device *mDevice;
D3D_FEATURE_LEVEL mFeatureLevel;
};
gl::TextureCaps GenerateTextureFormatCaps(gl::Version maxClientVersion,
GLenum internalFormat,
ID3D11Device *device,
const Renderer11DeviceCaps &renderer11DeviceCaps)
{
gl::TextureCaps textureCaps;
DXGISupportHelper support(device, renderer11DeviceCaps.featureLevel);
const d3d11::Format &formatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
const gl::InternalFormat &internalFormatInfo = gl::GetSizedInternalFormatInfo(internalFormat);
UINT texSupportMask = D3D11_FORMAT_SUPPORT_TEXTURE2D;
if (internalFormatInfo.depthBits == 0 && internalFormatInfo.stencilBits == 0)
{
texSupportMask |= D3D11_FORMAT_SUPPORT_TEXTURECUBE;
if (maxClientVersion.major > 2)
{
texSupportMask |= D3D11_FORMAT_SUPPORT_TEXTURE3D;
}
}
textureCaps.texturable = support.query(formatInfo.texFormat, texSupportMask);
textureCaps.filterable =
support.query(formatInfo.srvFormat, D3D11_FORMAT_SUPPORT_SHADER_SAMPLE);
textureCaps.textureAttachment =
(support.query(formatInfo.rtvFormat, D3D11_FORMAT_SUPPORT_RENDER_TARGET)) ||
(support.query(formatInfo.dsvFormat, D3D11_FORMAT_SUPPORT_DEPTH_STENCIL));
textureCaps.renderbuffer = textureCaps.textureAttachment;
textureCaps.blendable = textureCaps.renderbuffer;
DXGI_FORMAT renderFormat = DXGI_FORMAT_UNKNOWN;
if (formatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN)
{
renderFormat = formatInfo.dsvFormat;
}
else if (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
{
renderFormat = formatInfo.rtvFormat;
}
if (renderFormat != DXGI_FORMAT_UNKNOWN &&
support.query(renderFormat, D3D11_FORMAT_SUPPORT_MULTISAMPLE_RENDERTARGET))
{
// Assume 1x
textureCaps.sampleCounts.insert(1);
for (unsigned int sampleCount = 2; sampleCount <= D3D11_MAX_MULTISAMPLE_SAMPLE_COUNT;
sampleCount *= 2)
{
UINT qualityCount = 0;
if (SUCCEEDED(device->CheckMultisampleQualityLevels(renderFormat, sampleCount,
&qualityCount)))
{
// Assume we always support lower sample counts
if (qualityCount == 0)
{
break;
}
textureCaps.sampleCounts.insert(sampleCount);
}
}
}
return textureCaps;
}
bool GetNPOTTextureSupport(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return true;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return false;
default:
UNREACHABLE();
return false;
}
}
float GetMaximumAnisotropy(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_MAX_MAXANISOTROPY;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_MAX_MAXANISOTROPY;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
return 16;
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_DEFAULT_MAX_ANISOTROPY;
default:
UNREACHABLE();
return 0;
}
}
bool GetOcclusionQuerySupport(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return true;
// ID3D11Device::CreateQuery
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
return true;
case D3D_FEATURE_LEVEL_9_1:
return false;
default:
UNREACHABLE();
return false;
}
}
bool GetEventQuerySupport(D3D_FEATURE_LEVEL featureLevel)
{
// ID3D11Device::CreateQuery
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return true;
default:
UNREACHABLE();
return false;
}
}
bool GetInstancingSupport(D3D_FEATURE_LEVEL featureLevel)
{
// ID3D11Device::CreateInputLayout
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return true;
// Feature Level 9_3 supports instancing, but slot 0 in the input layout must not be
// instanced.
// D3D9 has a similar restriction, where stream 0 must not be instanced.
// This restriction can be worked around by remapping any non-instanced slot to slot
// 0.
// This works because HLSL uses shader semantics to match the vertex inputs to the
// elements in the input layout, rather than the slots.
// Note that we only support instancing via ANGLE_instanced_array on 9_3, since 9_3
// doesn't support OpenGL ES 3.0
case D3D_FEATURE_LEVEL_9_3:
return true;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return false;
default:
UNREACHABLE();
return false;
}
}
bool GetFramebufferMultisampleSupport(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return true;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return false;
default:
UNREACHABLE();
return false;
}
}
bool GetFramebufferBlitSupport(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return true;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return false;
default:
UNREACHABLE();
return false;
}
}
bool GetDerivativeInstructionSupport(D3D_FEATURE_LEVEL featureLevel)
{
// shader model
// ps_2_x is required for the ddx (and other derivative functions).
// feature level
// 9.3 supports shader model ps_2_x.
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
case D3D_FEATURE_LEVEL_9_3:
return true;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return false;
default:
UNREACHABLE();
return false;
}
}
bool GetShaderTextureLODSupport(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return true;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return false;
default:
UNREACHABLE();
return false;
}
}
int GetMaximumSimultaneousRenderTargets(D3D_FEATURE_LEVEL featureLevel)
{
// ID3D11Device::CreateInputLayout
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_SIMULTANEOUS_RENDER_TARGET_COUNT;
case D3D_FEATURE_LEVEL_9_3:
return D3D_FL9_3_SIMULTANEOUS_RENDER_TARGET_COUNT;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_SIMULTANEOUS_RENDER_TARGET_COUNT;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximum2DTextureSize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_REQ_TEXTURE2D_U_OR_V_DIMENSION;
case D3D_FEATURE_LEVEL_9_3:
return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumCubeMapTextureSize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_TEXTURECUBE_DIMENSION;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_REQ_TEXTURECUBE_DIMENSION;
case D3D_FEATURE_LEVEL_9_3:
return D3D_FL9_3_REQ_TEXTURECUBE_DIMENSION;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_REQ_TEXTURECUBE_DIMENSION;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximum2DTextureArraySize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximum3DTextureSize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumViewportSize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_VIEWPORT_BOUNDS_MAX;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_VIEWPORT_BOUNDS_MAX;
// No constants for D3D11 Feature Level 9 viewport size limits, use the maximum
// texture sizes
case D3D_FEATURE_LEVEL_9_3:
return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumDrawIndexedIndexCount(D3D_FEATURE_LEVEL featureLevel)
{
// D3D11 allows up to 2^32 elements, but we report max signed int for convenience since
// that's what's
// returned from glGetInteger
static_assert(D3D11_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32,
"Unexpected D3D11 constant value.");
static_assert(D3D10_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32,
"Unexpected D3D11 constant value.");
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return std::numeric_limits<GLint>::max();
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
return D3D_FL9_2_IA_PRIMITIVE_MAX_COUNT;
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_IA_PRIMITIVE_MAX_COUNT;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumDrawVertexCount(D3D_FEATURE_LEVEL featureLevel)
{
// D3D11 allows up to 2^32 elements, but we report max signed int for convenience since
// that's what's
// returned from glGetInteger
static_assert(D3D11_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32, "Unexpected D3D11 constant value.");
static_assert(D3D10_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32, "Unexpected D3D11 constant value.");
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return std::numeric_limits<GLint>::max();
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
return D3D_FL9_2_IA_PRIMITIVE_MAX_COUNT;
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_IA_PRIMITIVE_MAX_COUNT;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumVertexInputSlots(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_STANDARD_VERTEX_ELEMENT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
return D3D10_1_STANDARD_VERTEX_ELEMENT_COUNT;
case D3D_FEATURE_LEVEL_10_0:
return D3D10_STANDARD_VERTEX_ELEMENT_COUNT;
// "Max Input Slots"
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 16;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
// ID3D11DeviceContext::VSSetConstantBuffers
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 255 - d3d11_gl::GetReservedVertexUniformVectors(featureLevel);
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumVertexUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
// Uniform blocks not supported on D3D11 Feature Level 9
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetReservedVertexOutputVectors(D3D_FEATURE_LEVEL featureLevel)
{
// According to The OpenGL ES Shading Language specifications
// (Language Version 1.00 section 10.16, Language Version 3.10 section 12.21)
// built-in special variables (e.g. gl_FragCoord, or gl_PointCoord)
// which are statically used in the shader should be included in the variable packing
// algorithm.
// Therefore, we should not reserve output vectors for them.
switch (featureLevel)
{
// We must reserve one output vector for dx_Position.
// We also reserve one for gl_Position, which we unconditionally output on Feature
// Levels 10_0+,
// even if it's unused in the shader (e.g. for transform feedback). TODO: This could
// be improved.
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return 2;
// Just reserve dx_Position on Feature Level 9, since we don't ever need to output
// gl_Position.
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 1;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumVertexOutputVectors(D3D_FEATURE_LEVEL featureLevel)
{
static_assert(gl::IMPLEMENTATION_MAX_VARYING_VECTORS == D3D11_VS_OUTPUT_REGISTER_COUNT,
"Unexpected D3D11 constant value.");
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
case D3D_FEATURE_LEVEL_10_1:
return D3D10_1_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
case D3D_FEATURE_LEVEL_10_0:
return D3D10_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
// Use Shader Model 2.X limits
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 8 - GetReservedVertexOutputVectors(featureLevel);
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumVertexTextureUnits(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_COMMONSHADER_SAMPLER_SLOT_COUNT;
// Vertex textures not supported on D3D11 Feature Level 9 according to
// ID3D11DeviceContext::VSSetSamplers and ID3D11DeviceContext::VSSetShaderResources
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumPixelUniformVectors(D3D_FEATURE_LEVEL featureLevel)
{
// TODO(geofflang): Remove hard-coded limit once the gl-uniform-arrays test can pass
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return 1024; // D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return 1024; // D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
// ID3D11DeviceContext::PSSetConstantBuffers
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 32 - d3d11_gl::GetReservedFragmentUniformVectors(featureLevel);
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumPixelUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
// Uniform blocks not supported on D3D11 Feature Level 9
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumPixelInputVectors(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_PS_INPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_PS_INPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
// Use Shader Model 2.X limits
case D3D_FEATURE_LEVEL_9_3:
return 8 - GetReservedVertexOutputVectors(featureLevel);
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 8 - GetReservedVertexOutputVectors(featureLevel);
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumPixelTextureUnits(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_COMMONSHADER_SAMPLER_SLOT_COUNT;
// ID3D11DeviceContext::PSSetShaderResources
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 16;
default:
UNREACHABLE();
return 0;
}
}
std::array<GLint, 3> GetMaxComputeWorkGroupCount(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return {{D3D11_CS_DISPATCH_MAX_THREAD_GROUPS_PER_DIMENSION,
D3D11_CS_DISPATCH_MAX_THREAD_GROUPS_PER_DIMENSION,
D3D11_CS_DISPATCH_MAX_THREAD_GROUPS_PER_DIMENSION}};
default:
return {{0, 0, 0}};
}
}
std::array<GLint, 3> GetMaxComputeWorkGroupSize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return {{D3D11_CS_THREAD_GROUP_MAX_X, D3D11_CS_THREAD_GROUP_MAX_Y,
D3D11_CS_THREAD_GROUP_MAX_Z}};
default:
return {{0, 0, 0}};
}
}
int GetMaxComputeWorkGroupInvocations(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_CS_THREAD_GROUP_MAX_THREADS_PER_GROUP;
default:
return 0;
}
}
int GetMaxComputeSharedMemorySize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
// In D3D11 the maximum total size of all variables with the groupshared storage class is
// 32kb.
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return 32768;
default:
return 0;
}
}
int GetMaximumComputeUniformVectors(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
default:
return 0;
}
}
int GetMaximumComputeUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
default:
return 0;
}
}
int GetMaximumComputeTextureUnits(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
default:
return 0;
}
}
void SetUAVRelatedResourceLimits(D3D_FEATURE_LEVEL featureLevel, gl::Caps *caps)
{
ASSERT(caps);
GLuint reservedUAVsForAtomicCounterBuffers = 0u;
// For pixel shaders, the render targets and unordered access views share the same resource
// slots when being written out.
GLuint maxNumRTVsAndUAVs = 0u;
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
// Currently we allocate 4 UAV slots for atomic counter buffers on feature level 11_1.
reservedUAVsForAtomicCounterBuffers = 4u;
maxNumRTVsAndUAVs = D3D11_1_UAV_SLOT_COUNT;
break;
case D3D_FEATURE_LEVEL_11_0:
// Currently we allocate 1 UAV slot for atomic counter buffers on feature level 11_0.
reservedUAVsForAtomicCounterBuffers = 1u;
maxNumRTVsAndUAVs = D3D11_PS_CS_UAV_REGISTER_COUNT;
break;
default:
return;
}
// Set limits on atomic counter buffers in fragment shaders and compute shaders.
caps->maxCombinedAtomicCounterBuffers = reservedUAVsForAtomicCounterBuffers;
caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Compute] =
reservedUAVsForAtomicCounterBuffers;
caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Fragment] =
reservedUAVsForAtomicCounterBuffers;
caps->maxAtomicCounterBufferBindings = reservedUAVsForAtomicCounterBuffers;
// Setting MAX_COMPUTE_ATOMIC_COUNTERS to a conservative number of 1024 * the number of UAV
// reserved for atomic counters. It could theoretically be set to max buffer size / 4 but that
// number could cause problems.
caps->maxCombinedAtomicCounters = reservedUAVsForAtomicCounterBuffers * 1024;
caps->maxShaderAtomicCounters[gl::ShaderType::Compute] = caps->maxCombinedAtomicCounters;
// See
// https://docs.microsoft.com/en-us/windows/desktop/direct3d11/overviews-direct3d-11-resources-limits
// Resource size (in MB) for any of the preceding resources is min(max(128,0.25f * (amount of
// dedicated VRAM)), 2048) MB. So we set it to 128MB to keep same with GL backend.
caps->maxShaderStorageBlockSize =
D3D11_REQ_RESOURCE_SIZE_IN_MEGABYTES_EXPRESSION_A_TERM * 1024 * 1024;
// Allocate the remaining slots for images and shader storage blocks.
// The maximum number of fragment shader outputs depends on the current context version, so we
// will not set it here. See comments in Context11::initialize().
caps->maxCombinedShaderOutputResources =
maxNumRTVsAndUAVs - reservedUAVsForAtomicCounterBuffers;
// Set limits on images and shader storage blocks in fragment shaders and compute shaders.
caps->maxCombinedShaderStorageBlocks = caps->maxCombinedShaderOutputResources;
caps->maxShaderStorageBlocks[gl::ShaderType::Compute] = caps->maxCombinedShaderOutputResources;
caps->maxShaderStorageBlocks[gl::ShaderType::Fragment] = caps->maxCombinedShaderOutputResources;
caps->maxShaderStorageBufferBindings = caps->maxCombinedShaderOutputResources;
caps->maxImageUnits = caps->maxCombinedShaderOutputResources;
caps->maxCombinedImageUniforms = caps->maxCombinedShaderOutputResources;
caps->maxShaderImageUniforms[gl::ShaderType::Compute] = caps->maxCombinedShaderOutputResources;
caps->maxShaderImageUniforms[gl::ShaderType::Fragment] = caps->maxCombinedShaderOutputResources;
// On feature level 11_1, UAVs are also available in vertex shaders and geometry shaders.
if (featureLevel == D3D_FEATURE_LEVEL_11_1)
{
caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Vertex] =
caps->maxCombinedAtomicCounterBuffers;
caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Geometry] =
caps->maxCombinedAtomicCounterBuffers;
caps->maxShaderImageUniforms[gl::ShaderType::Vertex] =
caps->maxCombinedShaderOutputResources;
caps->maxShaderStorageBlocks[gl::ShaderType::Vertex] =
caps->maxCombinedShaderOutputResources;
caps->maxShaderImageUniforms[gl::ShaderType::Geometry] =
caps->maxCombinedShaderOutputResources;
caps->maxShaderStorageBlocks[gl::ShaderType::Geometry] =
caps->maxCombinedShaderOutputResources;
}
}
int GetMinimumTexelOffset(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_NEGATIVE;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_COMMONSHADER_TEXEL_OFFSET_MAX_NEGATIVE;
// Sampling functions with offsets are not available below shader model 4.0.
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumTexelOffset(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_POSITIVE;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_POSITIVE;
// Sampling functions with offsets are not available below shader model 4.0.
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMinimumTextureGatherOffset(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return -32;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumTextureGatherOffset(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return 31;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
size_t GetMaximumConstantBufferSize(D3D_FEATURE_LEVEL featureLevel)
{
// Returns a size_t despite the limit being a GLuint64 because size_t is the maximum
// size of
// any buffer that could be allocated.
const size_t bytesPerComponent = 4 * sizeof(float);
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * bytesPerComponent;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * bytesPerComponent;
// remarks section
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 4096 * bytesPerComponent;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumStreamOutputBuffers(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_SO_BUFFER_SLOT_COUNT;
case D3D_FEATURE_LEVEL_10_1:
return D3D10_1_SO_BUFFER_SLOT_COUNT;
case D3D_FEATURE_LEVEL_10_0:
return D3D10_SO_BUFFER_SLOT_COUNT;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumStreamOutputInterleavedComponents(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return GetMaximumVertexOutputVectors(featureLevel) * 4;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumStreamOutputSeparateComponents(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return GetMaximumStreamOutputInterleavedComponents(featureLevel) /
GetMaximumStreamOutputBuffers(featureLevel);
// D3D 10 and 10.1 only allow one output per output slot if an output slot other
// than zero is used.
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return 4;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
int GetMaximumRenderToBufferWindowSize(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_REQ_RENDER_TO_BUFFER_WINDOW_WIDTH;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return D3D10_REQ_RENDER_TO_BUFFER_WINDOW_WIDTH;
// REQ_RENDER_TO_BUFFER_WINDOW_WIDTH not supported on D3D11 Feature Level 9,
// use the maximum texture sizes
case D3D_FEATURE_LEVEL_9_3:
return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
default:
UNREACHABLE();
return 0;
}
}
IntelDriverVersion GetIntelDriverVersion(const Optional<LARGE_INTEGER> driverVersion)
{
if (!driverVersion.valid())
return IntelDriverVersion(0);
DWORD lowPart = driverVersion.value().LowPart;
return IntelDriverVersion(HIWORD(lowPart) * 10000 + LOWORD(lowPart));
}
} // anonymous namespace
unsigned int GetReservedVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return 0;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 3; // dx_ViewAdjust, dx_ViewCoords and dx_ViewScale
default:
UNREACHABLE();
return 0;
}
}
unsigned int GetReservedFragmentUniformVectors(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return 0;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 4; // dx_ViewCoords, dx_DepthFront, dx_DepthRange, dx_FragCoordOffset
default:
UNREACHABLE();
return 0;
}
}
gl::Version GetMaximumClientVersion(const Renderer11DeviceCaps &caps)
{
switch (caps.featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return gl::Version(3, 1);
case D3D_FEATURE_LEVEL_10_1:
return gl::Version(3, 0);
case D3D_FEATURE_LEVEL_10_0:
if (caps.allowES3OnFL10_0)
{
return gl::Version(3, 0);
}
else
{
return gl::Version(2, 0);
}
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return gl::Version(2, 0);
default:
UNREACHABLE();
return gl::Version(0, 0);
}
}
D3D_FEATURE_LEVEL GetMinimumFeatureLevelForES31()
{
return kMinimumFeatureLevelForES31;
}
unsigned int GetMaxViewportAndScissorRectanglesPerPipeline(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 1;
default:
UNREACHABLE();
return 0;
}
}
bool IsMultiviewSupported(D3D_FEATURE_LEVEL featureLevel)
{
// The ANGLE_multiview extension can always be supported in D3D11 through geometry shaders.
switch (featureLevel)
{
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
return true;
default:
return false;
}
}
int GetMaxSampleMaskWords(D3D_FEATURE_LEVEL featureLevel)
{
switch (featureLevel)
{
// D3D10+ only allows 1 sample mask.
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return 1;
case D3D_FEATURE_LEVEL_9_3:
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 0;
default:
UNREACHABLE();
return 0;
}
}
bool HasTextureBufferSupport(ID3D11Device *device, const Renderer11DeviceCaps &renderer11DeviceCaps)
{
if (renderer11DeviceCaps.featureLevel < D3D_FEATURE_LEVEL_11_0)
return false;
if (!renderer11DeviceCaps.supportsTypedUAVLoadAdditionalFormats)
return false;
// we don't need to check the typed store. from the spec,
// all the following format support typed stored.
// According to spec,
// required image unit format are GL_RGBA32F, GL_RGBA32UI, GL_RGBA32I, GL_RGBA16F, GL_RGBA16UI,
// GL_RGBA16I, GL_RGBA8, GL_RGBAUI, GL_RGBA8I, GL_RGBA8_SNORM, GL_R32F, GL_R32UI, GL_R32I,
const std::array<DXGI_FORMAT, 2> &optionalFormats = {
DXGI_FORMAT_R32G32B32A32_FLOAT, // test for GL_RGBA32(UIF), GL_RGBA16(UIF),
// GL_RGBA8(UIUnorm)
DXGI_FORMAT_R8G8B8A8_SNORM, // test for GL_RGBA8_SNORM,
};
for (DXGI_FORMAT dxgiFormat : optionalFormats)
{
D3D11_FEATURE_DATA_FORMAT_SUPPORT FormatSupport = {dxgiFormat, 0};
if (!SUCCEEDED(device->CheckFeatureSupport(D3D11_FEATURE_FORMAT_SUPPORT, &FormatSupport,
sizeof(FormatSupport))))
{
WARN() << "Error checking typed load support for format 0x" << std::hex << dxgiFormat;
return false;
}
if ((FormatSupport.OutFormatSupport & D3D11_FORMAT_SUPPORT2_UAV_TYPED_LOAD) == 0)
return false;
}
return true;
}
void GenerateCaps(ID3D11Device *device,
ID3D11DeviceContext *deviceContext,
const Renderer11DeviceCaps &renderer11DeviceCaps,
const angle::FeaturesD3D &features,
const char *description,
gl::Caps *caps,
gl::TextureCapsMap *textureCapsMap,
gl::Extensions *extensions,
gl::Limitations *limitations)
{
D3D_FEATURE_LEVEL featureLevel = renderer11DeviceCaps.featureLevel;
const gl::FormatSet &allFormats = gl::GetAllSizedInternalFormats();
for (GLenum internalFormat : allFormats)
{
gl::TextureCaps textureCaps =
GenerateTextureFormatCaps(GetMaximumClientVersion(renderer11DeviceCaps), internalFormat,
device, renderer11DeviceCaps);
textureCapsMap->insert(internalFormat, textureCaps);
}
// GL core feature limits
// Reserve MAX_UINT for D3D11's primitive restart.
caps->maxElementIndex = static_cast<GLint64>(std::numeric_limits<unsigned int>::max() - 1);
caps->max3DTextureSize = GetMaximum3DTextureSize(featureLevel);
caps->max2DTextureSize = GetMaximum2DTextureSize(featureLevel);
caps->maxCubeMapTextureSize = GetMaximumCubeMapTextureSize(featureLevel);
caps->maxArrayTextureLayers = GetMaximum2DTextureArraySize(featureLevel);
// Unimplemented, set to minimum required
caps->maxLODBias = 2.0f;
// No specific limits on render target size, maximum 2D texture size is equivalent
caps->maxRenderbufferSize = caps->max2DTextureSize;
// Maximum draw buffers and color attachments are the same, max color attachments could
// eventually be increased to 16
caps->maxDrawBuffers = GetMaximumSimultaneousRenderTargets(featureLevel);
caps->maxColorAttachments = GetMaximumSimultaneousRenderTargets(featureLevel);
// D3D11 has the same limit for viewport width and height
caps->maxViewportWidth = GetMaximumViewportSize(featureLevel);
caps->maxViewportHeight = caps->maxViewportWidth;
// Choose a reasonable maximum, enforced in the shader.
caps->minAliasedPointSize = 1.0f;
caps->maxAliasedPointSize = 1024.0f;
// Wide lines not supported
caps->minAliasedLineWidth = 1.0f;
caps->maxAliasedLineWidth = 1.0f;
// Primitive count limits
caps->maxElementsIndices = GetMaximumDrawIndexedIndexCount(featureLevel);
caps->maxElementsVertices = GetMaximumDrawVertexCount(featureLevel);
// Program and shader binary formats (no supported shader binary formats)
caps->programBinaryFormats.push_back(GL_PROGRAM_BINARY_ANGLE);
caps->vertexHighpFloat.setIEEEFloat();
caps->vertexMediumpFloat.setIEEEFloat();
caps->vertexLowpFloat.setIEEEFloat();
caps->fragmentHighpFloat.setIEEEFloat();
caps->fragmentMediumpFloat.setIEEEFloat();
caps->fragmentLowpFloat.setIEEEFloat();
// 32-bit integers are natively supported
caps->vertexHighpInt.setTwosComplementInt(32);
caps->vertexMediumpInt.setTwosComplementInt(32);
caps->vertexLowpInt.setTwosComplementInt(32);
caps->fragmentHighpInt.setTwosComplementInt(32);
caps->fragmentMediumpInt.setTwosComplementInt(32);
caps->fragmentLowpInt.setTwosComplementInt(32);
// We do not wait for server fence objects internally, so report a max timeout of zero.
caps->maxServerWaitTimeout = 0;
// Vertex shader limits
caps->maxVertexAttributes = GetMaximumVertexInputSlots(featureLevel);
caps->maxVertexUniformVectors = GetMaximumVertexUniformVectors(featureLevel);
if (features.skipVSConstantRegisterZero.enabled)
{
caps->maxVertexUniformVectors -= 1;
}
caps->maxShaderUniformComponents[gl::ShaderType::Vertex] = caps->maxVertexUniformVectors * 4;
caps->maxShaderUniformBlocks[gl::ShaderType::Vertex] =
GetMaximumVertexUniformBlocks(featureLevel);
caps->maxVertexOutputComponents = GetMaximumVertexOutputVectors(featureLevel) * 4;
caps->maxShaderTextureImageUnits[gl::ShaderType::Vertex] =
GetMaximumVertexTextureUnits(featureLevel);
// Vertex Attribute Bindings are emulated on D3D11.
caps->maxVertexAttribBindings = caps->maxVertexAttributes;
// Experimental testing confirmed there is no explicit limit on maximum buffer offset in D3D11.
caps->maxVertexAttribRelativeOffset = std::numeric_limits<GLint>::max();
// Experimental testing confirmed 2048 is the maximum stride that D3D11 can support on all
// platforms.
caps->maxVertexAttribStride = 2048;
// Fragment shader limits
caps->maxFragmentUniformVectors = GetMaximumPixelUniformVectors(featureLevel);
caps->maxShaderUniformComponents[gl::ShaderType::Fragment] =
caps->maxFragmentUniformVectors * 4;
caps->maxShaderUniformBlocks[gl::ShaderType::Fragment] =
GetMaximumPixelUniformBlocks(featureLevel);
caps->maxFragmentInputComponents = GetMaximumPixelInputVectors(featureLevel) * 4;
caps->maxShaderTextureImageUnits[gl::ShaderType::Fragment] =
GetMaximumPixelTextureUnits(featureLevel);
caps->minProgramTexelOffset = GetMinimumTexelOffset(featureLevel);
caps->maxProgramTexelOffset = GetMaximumTexelOffset(featureLevel);
// Compute shader limits
caps->maxComputeWorkGroupCount = GetMaxComputeWorkGroupCount(featureLevel);
caps->maxComputeWorkGroupSize = GetMaxComputeWorkGroupSize(featureLevel);
caps->maxComputeWorkGroupInvocations = GetMaxComputeWorkGroupInvocations(featureLevel);
caps->maxComputeSharedMemorySize = GetMaxComputeSharedMemorySize(featureLevel);
caps->maxShaderUniformComponents[gl::ShaderType::Compute] =
GetMaximumComputeUniformVectors(featureLevel) * 4;
caps->maxShaderUniformBlocks[gl::ShaderType::Compute] =
GetMaximumComputeUniformBlocks(featureLevel);
caps->maxShaderTextureImageUnits[gl::ShaderType::Compute] =
GetMaximumComputeTextureUnits(featureLevel);
SetUAVRelatedResourceLimits(featureLevel, caps);
// Aggregate shader limits
caps->maxUniformBufferBindings = caps->maxShaderUniformBlocks[gl::ShaderType::Vertex] +
caps->maxShaderUniformBlocks[gl::ShaderType::Fragment];
caps->maxUniformBlockSize = static_cast<GLuint64>(GetMaximumConstantBufferSize(featureLevel));
// TODO(oetuaho): Get a more accurate limit. For now using the minimum requirement for GLES 3.1.
caps->maxUniformLocations = 1024;
// With DirectX 11.1, constant buffer offset and size must be a multiple of 16 constants of 16
// bytes each.
// With DirectX 11.0, we emulate UBO offsets using copies of ranges of the UBO however
// we still keep the same alignment as 11.1 for consistency.
caps->uniformBufferOffsetAlignment = 256;
caps->maxCombinedUniformBlocks = caps->maxShaderUniformBlocks[gl::ShaderType::Vertex] +
caps->maxShaderUniformBlocks[gl::ShaderType::Fragment];
// A shader storage block will be translated to a structure in HLSL. So We reference the HLSL
// structure packing rules
// resulting size of any structure will always be evenly divisible by sizeof(four-component
// vector).
caps->shaderStorageBufferOffsetAlignment = 16;
for (gl::ShaderType shaderType : gl::AllShaderTypes())
{
caps->maxCombinedShaderUniformComponents[shaderType] =
static_cast<GLint64>(caps->maxShaderUniformBlocks[shaderType]) *
static_cast<GLint64>(caps->maxUniformBlockSize / 4) +
static_cast<GLint64>(caps->maxShaderUniformComponents[shaderType]);
}
caps->maxVaryingComponents = GetMaximumVertexOutputVectors(featureLevel) * 4;
caps->maxVaryingVectors = GetMaximumVertexOutputVectors(featureLevel);
caps->maxCombinedTextureImageUnits = caps->maxShaderTextureImageUnits[gl::ShaderType::Vertex] +
caps->maxShaderTextureImageUnits[gl::ShaderType::Fragment];
// Transform feedback limits
caps->maxTransformFeedbackInterleavedComponents =
GetMaximumStreamOutputInterleavedComponents(featureLevel);
caps->maxTransformFeedbackSeparateAttributes = GetMaximumStreamOutputBuffers(featureLevel);
caps->maxTransformFeedbackSeparateComponents =
GetMaximumStreamOutputSeparateComponents(featureLevel);
// Defer the computation of multisample limits to Context::updateCaps() where max*Samples values
// are determined according to available sample counts for each individual format.
caps->maxSamples = std::numeric_limits<GLint>::max();
caps->maxColorTextureSamples = std::numeric_limits<GLint>::max();
caps->maxDepthTextureSamples = std::numeric_limits<GLint>::max();
caps->maxIntegerSamples = std::numeric_limits<GLint>::max();
// Sample mask words limits
caps->maxSampleMaskWords = GetMaxSampleMaskWords(featureLevel);
// Framebuffer limits
caps->maxFramebufferSamples = std::numeric_limits<GLint>::max();
caps->maxFramebufferWidth = GetMaximumRenderToBufferWindowSize(featureLevel);
caps->maxFramebufferHeight = caps->maxFramebufferWidth;
// Texture gather offset limits
caps->minProgramTextureGatherOffset = GetMinimumTextureGatherOffset(featureLevel);
caps->maxProgramTextureGatherOffset = GetMaximumTextureGatherOffset(featureLevel);
caps->maxTextureAnisotropy = GetMaximumAnisotropy(featureLevel);
caps->queryCounterBitsTimeElapsed = 64;
caps->queryCounterBitsTimestamp = 0; // Timestamps cannot be supported due to D3D11 limitations
caps->maxDualSourceDrawBuffers = 1;
// GL extension support
extensions->setTextureExtensionSupport(*textureCapsMap);
// Explicitly disable GL_OES_compressed_ETC1_RGB8_texture because it's emulated and never
// becomes core. WebGL doesn't want to expose it unless there is native support.
extensions->compressedETC1RGB8TextureOES = false;
extensions->compressedETC1RGB8SubTextureEXT = false;
extensions->elementIndexUintOES = true;
extensions->getProgramBinaryOES = true;
extensions->rgb8Rgba8OES = true;
extensions->readFormatBgraEXT = true;
extensions->pixelBufferObjectNV = true;
extensions->mapbufferOES = true;
extensions->mapBufferRangeEXT = true;
extensions->textureNpotOES = GetNPOTTextureSupport(featureLevel);
extensions->drawBuffersEXT = GetMaximumSimultaneousRenderTargets(featureLevel) > 1;
extensions->drawBuffersIndexedEXT =
(renderer11DeviceCaps.featureLevel >= D3D_FEATURE_LEVEL_10_1);
extensions->drawBuffersIndexedOES = extensions->drawBuffersIndexedEXT;
extensions->textureStorageEXT = true;
extensions->textureFilterAnisotropicEXT = true;
extensions->occlusionQueryBooleanEXT = GetOcclusionQuerySupport(featureLevel);
extensions->fenceNV = GetEventQuerySupport(featureLevel);
extensions->disjointTimerQueryEXT = true;
extensions->robustnessEXT = true;
// Direct3D guarantees to return zero for any resource that is accessed out of bounds.
extensions->robustBufferAccessBehaviorKHR = true;
extensions->blendMinmaxEXT = true;
extensions->floatBlendEXT = true;
extensions->framebufferBlitANGLE = GetFramebufferBlitSupport(featureLevel);
extensions->framebufferBlitNV = extensions->framebufferBlitANGLE;
extensions->framebufferMultisampleANGLE = GetFramebufferMultisampleSupport(featureLevel);
extensions->instancedArraysANGLE = GetInstancingSupport(featureLevel);
extensions->instancedArraysEXT = GetInstancingSupport(featureLevel);
extensions->packReverseRowOrderANGLE = true;
extensions->standardDerivativesOES = GetDerivativeInstructionSupport(featureLevel);
extensions->shaderTextureLodEXT = GetShaderTextureLODSupport(featureLevel);
extensions->fragDepthEXT = true;
extensions->multiviewOVR = IsMultiviewSupported(featureLevel);
extensions->multiview2OVR = IsMultiviewSupported(featureLevel);
if (extensions->multiviewOVR || extensions->multiview2OVR)
{
caps->maxViews = std::min(static_cast<GLuint>(GetMaximum2DTextureArraySize(featureLevel)),
GetMaxViewportAndScissorRectanglesPerPipeline(featureLevel));
}
extensions->textureUsageANGLE = true; // This could be false since it has no effect in D3D11
extensions->discardFramebufferEXT = true;
extensions->translatedShaderSourceANGLE = true;
extensions->fboRenderMipmapOES = true;
extensions->debugMarkerEXT = true;
extensions->EGLImageOES = true;
extensions->EGLImageExternalOES = true;
extensions->EGLImageExternalWrapModesEXT = true;
extensions->EGLImageExternalEssl3OES = true;
extensions->EGLStreamConsumerExternalNV = true;
extensions->unpackSubimageEXT = true;
extensions->packSubimageNV = true;
extensions->lossyEtcDecodeANGLE = true;
extensions->syncQueryCHROMIUM = GetEventQuerySupport(featureLevel);
extensions->copyTextureCHROMIUM = true;
extensions->copyCompressedTextureCHROMIUM = true;
extensions->textureStorageMultisample2dArrayOES = true;
extensions->multiviewMultisampleANGLE =
((extensions->multiviewOVR || extensions->multiview2OVR) &&
extensions->textureStorageMultisample2dArrayOES);
extensions->copyTexture3dANGLE = true;
extensions->textureBorderClampOES = true;
extensions->multiDrawIndirectEXT = true;
extensions->textureMultisampleANGLE = true;
extensions->provokingVertexANGLE = true;
extensions->blendFuncExtendedEXT = true;
extensions->texture3DOES = false;
extensions->baseInstanceEXT = true;
extensions->baseVertexBaseInstanceANGLE = true;
extensions->baseVertexBaseInstanceShaderBuiltinANGLE = true;
extensions->drawElementsBaseVertexOES = true;
extensions->drawElementsBaseVertexEXT = true;
if (!strstr(description, "Adreno"))
{
extensions->multisampledRenderToTextureEXT = true;
}
extensions->videoTextureWEBGL = true;
// D3D11 cannot support reading depth texture as a luminance texture.
// It treats it as a red-channel-only texture.
extensions->depthTextureOES = false;
// readPixels on depth & stencil not working with D3D11 backend.
extensions->readDepthNV = false;
extensions->readStencilNV = false;
extensions->depthBufferFloat2NV = false;
// GL_EXT_clip_control
extensions->clipControlEXT = (renderer11DeviceCaps.featureLevel >= D3D_FEATURE_LEVEL_9_3);
// GL_KHR_parallel_shader_compile
extensions->parallelShaderCompileKHR = true;
// GL_EXT_texture_buffer
extensions->textureBufferEXT = HasTextureBufferSupport(device, renderer11DeviceCaps);
// GL_OES_texture_buffer
extensions->textureBufferOES = extensions->textureBufferEXT;
// ANGLE_shader_pixel_local_storage -- fragment shader UAVs appear in D3D 11.0.
extensions->shaderPixelLocalStorageANGLE = (featureLevel >= D3D_FEATURE_LEVEL_11_0);
extensions->shaderPixelLocalStorageCoherentANGLE =
renderer11DeviceCaps.supportsRasterizerOrderViews;
// D3D11 Feature Level 10_0+ uses SV_IsFrontFace in HLSL to emulate gl_FrontFacing.
// D3D11 Feature Level 9_3 doesn't support SV_IsFrontFace, and has no equivalent, so can't
// support gl_FrontFacing.
limitations->noFrontFacingSupport =
(renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
// D3D11 Feature Level 9_3 doesn't support alpha-to-coverage
limitations->noSampleAlphaToCoverageSupport =
(renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
// D3D11 Feature Levels 9_3 and below do not support non-constant loop indexing and require
// additional
// pre-validation of the shader at compile time to produce a better error message.
limitations->shadersRequireIndexedLoopValidation =
(renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
// D3D11 has no concept of separate masks and refs for front and back faces in the depth stencil
// state.
limitations->noSeparateStencilRefsAndMasks = true;
// D3D11 cannot support constant color and alpha blend funcs together
limitations->noSimultaneousConstantColorAndAlphaBlendFunc = true;
// D3D11 does not support multiple transform feedback outputs writing to the same buffer.
limitations->noDoubleBoundTransformFeedbackBuffers = true;
// D3D11 does not support vertex attribute aliasing
limitations->noVertexAttributeAliasing = true;
// D3D11 does not support compressed textures where the base mip level is not a multiple of 4
limitations->compressedBaseMipLevelMultipleOfFour = true;
if (extensions->textureBufferAny())
{
caps->maxTextureBufferSize = 1 << D3D11_REQ_BUFFER_RESOURCE_TEXEL_COUNT_2_TO_EXP;
// this maybe touble for RGB32 format.
caps->textureBufferOffsetAlignment = 16;
}
#ifdef ANGLE_ENABLE_WINDOWS_UWP
// Setting a non-zero divisor on attribute zero doesn't work on certain Windows Phone 8-era
// devices. We should prevent developers from doing this on ALL Windows Store devices. This will
// maintain consistency across all Windows devices. We allow non-zero divisors on attribute zero
// if the Client Version >= 3, since devices affected by this issue don't support ES3+.
limitations->attributeZeroRequiresZeroDivisorInEXT = true;
#endif
}
} // namespace d3d11_gl
namespace gl_d3d11
{
D3D11_BLEND ConvertBlendFunc(GLenum glBlend, bool isAlpha)
{
D3D11_BLEND d3dBlend = D3D11_BLEND_ZERO;
switch (glBlend)
{
case GL_ZERO:
d3dBlend = D3D11_BLEND_ZERO;
break;
case GL_ONE:
d3dBlend = D3D11_BLEND_ONE;
break;
case GL_SRC_COLOR:
d3dBlend = (isAlpha ? D3D11_BLEND_SRC_ALPHA : D3D11_BLEND_SRC_COLOR);
break;
case GL_ONE_MINUS_SRC_COLOR:
d3dBlend = (isAlpha ? D3D11_BLEND_INV_SRC_ALPHA : D3D11_BLEND_INV_SRC_COLOR);
break;
case GL_DST_COLOR:
d3dBlend = (isAlpha ? D3D11_BLEND_DEST_ALPHA : D3D11_BLEND_DEST_COLOR);
break;
case GL_ONE_MINUS_DST_COLOR:
d3dBlend = (isAlpha ? D3D11_BLEND_INV_DEST_ALPHA : D3D11_BLEND_INV_DEST_COLOR);
break;
case GL_SRC_ALPHA:
d3dBlend = D3D11_BLEND_SRC_ALPHA;
break;
case GL_ONE_MINUS_SRC_ALPHA:
d3dBlend = D3D11_BLEND_INV_SRC_ALPHA;
break;
case GL_DST_ALPHA:
d3dBlend = D3D11_BLEND_DEST_ALPHA;
break;
case GL_ONE_MINUS_DST_ALPHA:
d3dBlend = D3D11_BLEND_INV_DEST_ALPHA;
break;
case GL_CONSTANT_COLOR:
d3dBlend = D3D11_BLEND_BLEND_FACTOR;
break;
case GL_ONE_MINUS_CONSTANT_COLOR:
d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;
break;
case GL_CONSTANT_ALPHA:
d3dBlend = D3D11_BLEND_BLEND_FACTOR;
break;
case GL_ONE_MINUS_CONSTANT_ALPHA:
d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;
break;
case GL_SRC_ALPHA_SATURATE:
d3dBlend = D3D11_BLEND_SRC_ALPHA_SAT;
break;
case GL_SRC1_COLOR_EXT:
d3dBlend = (isAlpha ? D3D11_BLEND_SRC1_ALPHA : D3D11_BLEND_SRC1_COLOR);
break;
case GL_SRC1_ALPHA_EXT:
d3dBlend = D3D11_BLEND_SRC1_ALPHA;
break;
case GL_ONE_MINUS_SRC1_COLOR_EXT:
d3dBlend = (isAlpha ? D3D11_BLEND_INV_SRC1_ALPHA : D3D11_BLEND_INV_SRC1_COLOR);
break;
case GL_ONE_MINUS_SRC1_ALPHA_EXT:
d3dBlend = D3D11_BLEND_INV_SRC1_ALPHA;
break;
default:
UNREACHABLE();
}
return d3dBlend;
}
D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp)
{
D3D11_BLEND_OP d3dBlendOp = D3D11_BLEND_OP_ADD;
switch (glBlendOp)
{
case GL_FUNC_ADD:
d3dBlendOp = D3D11_BLEND_OP_ADD;
break;
case GL_FUNC_SUBTRACT:
d3dBlendOp = D3D11_BLEND_OP_SUBTRACT;
break;
case GL_FUNC_REVERSE_SUBTRACT:
d3dBlendOp = D3D11_BLEND_OP_REV_SUBTRACT;
break;
case GL_MIN:
d3dBlendOp = D3D11_BLEND_OP_MIN;
break;
case GL_MAX:
d3dBlendOp = D3D11_BLEND_OP_MAX;
break;
default:
UNREACHABLE();
}
return d3dBlendOp;
}
UINT8 ConvertColorMask(bool red, bool green, bool blue, bool alpha)
{
UINT8 mask = 0;
if (red)
{
mask |= D3D11_COLOR_WRITE_ENABLE_RED;
}
if (green)
{
mask |= D3D11_COLOR_WRITE_ENABLE_GREEN;
}
if (blue)
{
mask |= D3D11_COLOR_WRITE_ENABLE_BLUE;
}
if (alpha)
{
mask |= D3D11_COLOR_WRITE_ENABLE_ALPHA;
}
return mask;
}
D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, gl::CullFaceMode cullMode)
{
D3D11_CULL_MODE cull = D3D11_CULL_NONE;
if (cullEnabled)
{
switch (cullMode)
{
case gl::CullFaceMode::Front:
cull = D3D11_CULL_FRONT;
break;
case gl::CullFaceMode::Back:
cull = D3D11_CULL_BACK;
break;
case gl::CullFaceMode::FrontAndBack:
cull = D3D11_CULL_NONE;
break;
default:
UNREACHABLE();
}
}
else
{
cull = D3D11_CULL_NONE;
}
return cull;
}
D3D11_COMPARISON_FUNC ConvertComparison(GLenum comparison)
{
D3D11_COMPARISON_FUNC d3dComp = D3D11_COMPARISON_NEVER;
switch (comparison)
{
case GL_NEVER:
d3dComp = D3D11_COMPARISON_NEVER;
break;
case GL_ALWAYS:
d3dComp = D3D11_COMPARISON_ALWAYS;
break;
case GL_LESS:
d3dComp = D3D11_COMPARISON_LESS;
break;
case GL_LEQUAL:
d3dComp = D3D11_COMPARISON_LESS_EQUAL;
break;
case GL_EQUAL:
d3dComp = D3D11_COMPARISON_EQUAL;
break;
case GL_GREATER:
d3dComp = D3D11_COMPARISON_GREATER;
break;
case GL_GEQUAL:
d3dComp = D3D11_COMPARISON_GREATER_EQUAL;
break;
case GL_NOTEQUAL:
d3dComp = D3D11_COMPARISON_NOT_EQUAL;
break;
default:
UNREACHABLE();
}
return d3dComp;
}
D3D11_DEPTH_WRITE_MASK ConvertDepthMask(bool depthWriteEnabled)
{
return depthWriteEnabled ? D3D11_DEPTH_WRITE_MASK_ALL : D3D11_DEPTH_WRITE_MASK_ZERO;
}
UINT8 ConvertStencilMask(GLuint stencilmask)
{
return static_cast<UINT8>(stencilmask);
}
D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp)
{
D3D11_STENCIL_OP d3dStencilOp = D3D11_STENCIL_OP_KEEP;
switch (stencilOp)
{
case GL_ZERO:
d3dStencilOp = D3D11_STENCIL_OP_ZERO;
break;
case GL_KEEP:
d3dStencilOp = D3D11_STENCIL_OP_KEEP;
break;
case GL_REPLACE:
d3dStencilOp = D3D11_STENCIL_OP_REPLACE;
break;
case GL_INCR:
d3dStencilOp = D3D11_STENCIL_OP_INCR_SAT;
break;
case GL_DECR:
d3dStencilOp = D3D11_STENCIL_OP_DECR_SAT;
break;
case GL_INVERT:
d3dStencilOp = D3D11_STENCIL_OP_INVERT;
break;
case GL_INCR_WRAP:
d3dStencilOp = D3D11_STENCIL_OP_INCR;
break;
case GL_DECR_WRAP:
d3dStencilOp = D3D11_STENCIL_OP_DECR;
break;
default:
UNREACHABLE();
}
return d3dStencilOp;
}
D3D11_FILTER ConvertFilter(GLenum minFilter,
GLenum magFilter,
float maxAnisotropy,
GLenum comparisonMode)
{
bool comparison = comparisonMode != GL_NONE;
if (maxAnisotropy > 1.0f)
{
return D3D11_ENCODE_ANISOTROPIC_FILTER(static_cast<D3D11_COMPARISON_FUNC>(comparison));
}
else
{
D3D11_FILTER_TYPE dxMin = D3D11_FILTER_TYPE_POINT;
D3D11_FILTER_TYPE dxMip = D3D11_FILTER_TYPE_POINT;
switch (minFilter)
{
case GL_NEAREST:
dxMin = D3D11_FILTER_TYPE_POINT;
dxMip = D3D11_FILTER_TYPE_POINT;
break;
case GL_LINEAR:
dxMin = D3D11_FILTER_TYPE_LINEAR;
dxMip = D3D11_FILTER_TYPE_POINT;
break;
case GL_NEAREST_MIPMAP_NEAREST:
dxMin = D3D11_FILTER_TYPE_POINT;
dxMip = D3D11_FILTER_TYPE_POINT;
break;
case GL_LINEAR_MIPMAP_NEAREST:
dxMin = D3D11_FILTER_TYPE_LINEAR;
dxMip = D3D11_FILTER_TYPE_POINT;
break;
case GL_NEAREST_MIPMAP_LINEAR:
dxMin = D3D11_FILTER_TYPE_POINT;
dxMip = D3D11_FILTER_TYPE_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
dxMin = D3D11_FILTER_TYPE_LINEAR;
dxMip = D3D11_FILTER_TYPE_LINEAR;
break;
default:
UNREACHABLE();
}
D3D11_FILTER_TYPE dxMag = D3D11_FILTER_TYPE_POINT;
switch (magFilter)
{
case GL_NEAREST:
dxMag = D3D11_FILTER_TYPE_POINT;
break;
case GL_LINEAR:
dxMag = D3D11_FILTER_TYPE_LINEAR;
break;
default:
UNREACHABLE();
}
return D3D11_ENCODE_BASIC_FILTER(dxMin, dxMag, dxMip,
static_cast<D3D11_COMPARISON_FUNC>(comparison));
}
}
D3D11_TEXTURE_ADDRESS_MODE ConvertTextureWrap(GLenum wrap)
{
switch (wrap)
{
case GL_REPEAT:
return D3D11_TEXTURE_ADDRESS_WRAP;
case GL_CLAMP_TO_EDGE:
return D3D11_TEXTURE_ADDRESS_CLAMP;
case GL_CLAMP_TO_BORDER:
return D3D11_TEXTURE_ADDRESS_BORDER;
case GL_MIRRORED_REPEAT:
return D3D11_TEXTURE_ADDRESS_MIRROR;
default:
UNREACHABLE();
}
return D3D11_TEXTURE_ADDRESS_WRAP;
}
UINT ConvertMaxAnisotropy(float maxAnisotropy, D3D_FEATURE_LEVEL featureLevel)
{
return static_cast<UINT>(std::min(maxAnisotropy, d3d11_gl::GetMaximumAnisotropy(featureLevel)));
}
D3D11_QUERY ConvertQueryType(gl::QueryType type)
{
switch (type)
{
case gl::QueryType::AnySamples:
case gl::QueryType::AnySamplesConservative:
return D3D11_QUERY_OCCLUSION;
case gl::QueryType::TransformFeedbackPrimitivesWritten:
return D3D11_QUERY_SO_STATISTICS;
case gl::QueryType::TimeElapsed:
// Two internal queries are also created for begin/end timestamps
return D3D11_QUERY_TIMESTAMP_DISJOINT;
case gl::QueryType::CommandsCompleted:
return D3D11_QUERY_EVENT;
default:
UNREACHABLE();
return D3D11_QUERY_EVENT;
}
}
// Get the D3D11 write mask covering all color channels of a given format
UINT8 GetColorMask(const gl::InternalFormat &format)
{
return ConvertColorMask(format.redBits > 0, format.greenBits > 0, format.blueBits > 0,
format.alphaBits > 0);
}
} // namespace gl_d3d11
namespace d3d11
{
ANGLED3D11DeviceType GetDeviceType(ID3D11Device *device)
{
// Note that this function returns an ANGLED3D11DeviceType rather than a D3D_DRIVER_TYPE value,
// since it is difficult to tell Software and Reference devices apart
IDXGIDevice *dxgiDevice = nullptr;
IDXGIAdapter *dxgiAdapter = nullptr;
IDXGIAdapter2 *dxgiAdapter2 = nullptr;
ANGLED3D11DeviceType retDeviceType = ANGLE_D3D11_DEVICE_TYPE_UNKNOWN;
HRESULT hr = device->QueryInterface(__uuidof(IDXGIDevice), (void **)&dxgiDevice);
if (SUCCEEDED(hr))
{
hr = dxgiDevice->GetParent(__uuidof(IDXGIAdapter), (void **)&dxgiAdapter);
if (SUCCEEDED(hr))
{
std::wstring adapterString;
HRESULT adapter2hr =
dxgiAdapter->QueryInterface(__uuidof(dxgiAdapter2), (void **)&dxgiAdapter2);
if (SUCCEEDED(adapter2hr))
{
// On D3D_FEATURE_LEVEL_9_*, IDXGIAdapter::GetDesc returns "Software Adapter"
// for the description string. Try to use IDXGIAdapter2::GetDesc2 to get the
// actual hardware values if possible.
DXGI_ADAPTER_DESC2 adapterDesc2;
dxgiAdapter2->GetDesc2(&adapterDesc2);
adapterString = std::wstring(adapterDesc2.Description);
}
else
{
DXGI_ADAPTER_DESC adapterDesc;
dxgiAdapter->GetDesc(&adapterDesc);
adapterString = std::wstring(adapterDesc.Description);
}
// Both Reference and Software adapters will be 'Software Adapter'
const bool isSoftwareDevice =
(adapterString.find(std::wstring(L"Software Adapter")) != std::string::npos);
const bool isNullDevice = (adapterString == L"");
const bool isWARPDevice =
(adapterString.find(std::wstring(L"Basic Render")) != std::string::npos);
if (isSoftwareDevice || isNullDevice)
{
ASSERT(!isWARPDevice);
retDeviceType = ANGLE_D3D11_DEVICE_TYPE_SOFTWARE_REF_OR_NULL;
}
else if (isWARPDevice)
{
retDeviceType = ANGLE_D3D11_DEVICE_TYPE_WARP;
}
else
{
retDeviceType = ANGLE_D3D11_DEVICE_TYPE_HARDWARE;
}
}
}
SafeRelease(dxgiDevice);
SafeRelease(dxgiAdapter);
SafeRelease(dxgiAdapter2);
return retDeviceType;
}
void MakeValidSize(bool isImage,
DXGI_FORMAT format,
GLsizei *requestWidth,
GLsizei *requestHeight,
int *levelOffset)
{
const DXGIFormatSize &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(format);
bool validFormat = format != DXGI_FORMAT_UNKNOWN;
bool validImage = isImage && validFormat;
int upsampleCount = 0;
// Don't expand the size of full textures that are at least (blockWidth x blockHeight) already.
if (validImage || *requestWidth < static_cast<GLsizei>(dxgiFormatInfo.blockWidth) ||
*requestHeight < static_cast<GLsizei>(dxgiFormatInfo.blockHeight))
{
while (*requestWidth % dxgiFormatInfo.blockWidth != 0 ||
*requestHeight % dxgiFormatInfo.blockHeight != 0)
{
*requestWidth <<= 1;
*requestHeight <<= 1;
upsampleCount++;
}
}
else if (validFormat)
{
if (*requestWidth % dxgiFormatInfo.blockWidth != 0)
{
*requestWidth = roundUp(*requestWidth, static_cast<GLsizei>(dxgiFormatInfo.blockWidth));
}
if (*requestHeight % dxgiFormatInfo.blockHeight != 0)
{
*requestHeight =
roundUp(*requestHeight, static_cast<GLsizei>(dxgiFormatInfo.blockHeight));
}
}
if (levelOffset)
{
*levelOffset = upsampleCount;
}
}
angle::Result GenerateInitialTextureData(
const gl::Context *context,
GLint internalFormat,
const Renderer11DeviceCaps &renderer11DeviceCaps,
GLuint width,
GLuint height,
GLuint depth,
GLuint mipLevels,
gl::TexLevelArray<D3D11_SUBRESOURCE_DATA> *outSubresourceData)
{
const d3d11::Format &d3dFormatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
ASSERT(d3dFormatInfo.dataInitializerFunction != nullptr);
const d3d11::DXGIFormatSize &dxgiFormatInfo =
d3d11::GetDXGIFormatSizeInfo(d3dFormatInfo.texFormat);
using CheckedSize = angle::CheckedNumeric<size_t>;
CheckedSize rowPitch = CheckedSize(dxgiFormatInfo.pixelBytes) * CheckedSize(width);
CheckedSize depthPitch = rowPitch * CheckedSize(height);
CheckedSize maxImageSize = depthPitch * CheckedSize(depth);
Context11 *context11 = GetImplAs<Context11>(context);
ANGLE_CHECK_GL_ALLOC(context11, maxImageSize.IsValid());
angle::MemoryBuffer *scratchBuffer = nullptr;
ANGLE_CHECK_GL_ALLOC(context11,
context->getScratchBuffer(maxImageSize.ValueOrDie(), &scratchBuffer));
d3dFormatInfo.dataInitializerFunction(width, height, depth, scratchBuffer->data(),
rowPitch.ValueOrDie(), depthPitch.ValueOrDie());
for (unsigned int i = 0; i < mipLevels; i++)
{
unsigned int mipWidth = std::max(width >> i, 1U);
unsigned int mipHeight = std::max(height >> i, 1U);
using CheckedUINT = angle::CheckedNumeric<UINT>;
CheckedUINT mipRowPitch = CheckedUINT(dxgiFormatInfo.pixelBytes) * CheckedUINT(mipWidth);
CheckedUINT mipDepthPitch = mipRowPitch * CheckedUINT(mipHeight);
ANGLE_CHECK_GL_ALLOC(context11, mipRowPitch.IsValid() && mipDepthPitch.IsValid());
outSubresourceData->at(i).pSysMem = scratchBuffer->data();
outSubresourceData->at(i).SysMemPitch = mipRowPitch.ValueOrDie();
outSubresourceData->at(i).SysMemSlicePitch = mipDepthPitch.ValueOrDie();
}
return angle::Result::Continue;
}
UINT GetPrimitiveRestartIndex()
{
return std::numeric_limits<UINT>::max();
}
void SetPositionTexCoordVertex(PositionTexCoordVertex *vertex, float x, float y, float u, float v)
{
vertex->x = x;
vertex->y = y;
vertex->u = u;
vertex->v = v;
}
void SetPositionLayerTexCoord3DVertex(PositionLayerTexCoord3DVertex *vertex,
float x,
float y,
unsigned int layer,
float u,
float v,
float s)
{
vertex->x = x;
vertex->y = y;
vertex->l = layer;
vertex->u = u;
vertex->v = v;
vertex->s = s;
}
BlendStateKey::BlendStateKey()
{
memset(this, 0, sizeof(BlendStateKey));
blendStateExt = gl::BlendStateExt();
}
BlendStateKey::BlendStateKey(const BlendStateKey &other)
{
memcpy(this, &other, sizeof(BlendStateKey));
}
bool operator==(const BlendStateKey &a, const BlendStateKey &b)
{
return memcmp(&a, &b, sizeof(BlendStateKey)) == 0;
}
bool operator!=(const BlendStateKey &a, const BlendStateKey &b)
{
return !(a == b);
}
RasterizerStateKey::RasterizerStateKey()
{
memset(this, 0, sizeof(RasterizerStateKey));
}
bool operator==(const RasterizerStateKey &a, const RasterizerStateKey &b)
{
return memcmp(&a, &b, sizeof(RasterizerStateKey)) == 0;
}
bool operator!=(const RasterizerStateKey &a, const RasterizerStateKey &b)
{
return !(a == b);
}
HRESULT SetDebugName(ID3D11DeviceChild *resource,
const char *internalName,
const std::string *khrDebugName)
{
// Prepend ANGLE to separate names from other components in the same process.
std::string d3dName = "ANGLE";
bool sendNameToD3D = false;
if (internalName && internalName[0] != '\0')
{
d3dName += std::string("_") + internalName;
sendNameToD3D = true;
}
if (khrDebugName && !khrDebugName->empty())
{
d3dName += std::string("_") + *khrDebugName;
sendNameToD3D = true;
}
// If both internalName and khrDebugName are empty, avoid sending the string to d3d.
if (sendNameToD3D)
{
return resource->SetPrivateData(WKPDID_D3DDebugObjectName,
static_cast<UINT>(d3dName.size()), d3dName.c_str());
}
return S_OK;
}
// Keep this in cpp file where it has visibility of Renderer11.h, otherwise calling
// allocateResource is only compatible with Clang and MSVS, which support calling a
// method on a forward declared class in a template.
template <ResourceType ResourceT>
angle::Result LazyResource<ResourceT>::resolveImpl(d3d::Context *context,
Renderer11 *renderer,
const GetDescType<ResourceT> &desc,
GetInitDataType<ResourceT> *initData,
const char *name)
{
if (!mResource.valid())
{
ANGLE_TRY(renderer->allocateResource(context, desc, initData, &mResource));
mResource.setInternalName(name);
}
return angle::Result::Continue;
}
template angle::Result LazyResource<ResourceType::BlendState>::resolveImpl(
d3d::Context *context,
Renderer11 *renderer,
const D3D11_BLEND_DESC &desc,
void *initData,
const char *name);
template angle::Result LazyResource<ResourceType::ComputeShader>::resolveImpl(
d3d::Context *context,
Renderer11 *renderer,
const ShaderData &desc,
void *initData,
const char *name);
template angle::Result LazyResource<ResourceType::GeometryShader>::resolveImpl(
d3d::Context *context,
Renderer11 *renderer,
const ShaderData &desc,
const std::vector<D3D11_SO_DECLARATION_ENTRY> *initData,
const char *name);
template angle::Result LazyResource<ResourceType::InputLayout>::resolveImpl(
d3d::Context *context,
Renderer11 *renderer,
const InputElementArray &desc,
const ShaderData *initData,
const char *name);
template angle::Result LazyResource<ResourceType::PixelShader>::resolveImpl(d3d::Context *context,
Renderer11 *renderer,
const ShaderData &desc,
void *initData,
const char *name);
template angle::Result LazyResource<ResourceType::VertexShader>::resolveImpl(d3d::Context *context,
Renderer11 *renderer,
const ShaderData &desc,
void *initData,
const char *name);
LazyInputLayout::LazyInputLayout(const D3D11_INPUT_ELEMENT_DESC *inputDesc,
size_t inputDescLen,
const BYTE *byteCode,
size_t byteCodeLen,
const char *debugName)
: mInputDesc(inputDesc, inputDescLen), mByteCode(byteCode, byteCodeLen), mDebugName(debugName)
{}
LazyInputLayout::~LazyInputLayout() {}
angle::Result LazyInputLayout::resolve(d3d::Context *context, Renderer11 *renderer)
{
return resolveImpl(context, renderer, mInputDesc, &mByteCode, mDebugName);
}
LazyBlendState::LazyBlendState(const D3D11_BLEND_DESC &desc, const char *debugName)
: mDesc(desc), mDebugName(debugName)
{}
angle::Result LazyBlendState::resolve(d3d::Context *context, Renderer11 *renderer)
{
return resolveImpl(context, renderer, mDesc, nullptr, mDebugName);
}
void InitializeFeatures(const Renderer11DeviceCaps &deviceCaps,
const DXGI_ADAPTER_DESC &adapterDesc,
angle::FeaturesD3D *features)
{
bool isNvidia = IsNvidia(adapterDesc.VendorId);
bool isIntel = IsIntel(adapterDesc.VendorId);
bool isSkylake = false;
bool isBroadwell = false;
bool isHaswell = false;
bool isIvyBridge = false;
bool isSandyBridge = false;
bool isAMD = IsAMD(adapterDesc.VendorId);
bool isFeatureLevel9_3 = (deviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
IntelDriverVersion capsVersion = IntelDriverVersion(0);
if (isIntel)
{
capsVersion = d3d11_gl::GetIntelDriverVersion(deviceCaps.driverVersion);
isSkylake = IsSkylake(adapterDesc.DeviceId);
isBroadwell = IsBroadwell(adapterDesc.DeviceId);
isHaswell = IsHaswell(adapterDesc.DeviceId);
isIvyBridge = IsIvyBridge(adapterDesc.DeviceId);
isSandyBridge = IsSandyBridge(adapterDesc.DeviceId);
}
if (isNvidia)
{
// TODO(jmadill): Narrow problematic driver range.
bool driverVersionValid = deviceCaps.driverVersion.valid();
if (driverVersionValid)
{
WORD part1 = HIWORD(deviceCaps.driverVersion.value().LowPart);
WORD part2 = LOWORD(deviceCaps.driverVersion.value().LowPart);
// Disable the workaround to fix a second driver bug on newer NVIDIA.
ANGLE_FEATURE_CONDITION(
features, depthStencilBlitExtraCopy,
(part1 <= 13u && part2 < 6881) && isNvidia && driverVersionValid);
}
else
{
ANGLE_FEATURE_CONDITION(features, depthStencilBlitExtraCopy,
isNvidia && !driverVersionValid);
}
}
ANGLE_FEATURE_CONDITION(features, mrtPerfWorkaround, true);
ANGLE_FEATURE_CONDITION(features, zeroMaxLodWorkaround, isFeatureLevel9_3);
ANGLE_FEATURE_CONDITION(features, useInstancedPointSpriteEmulation, isFeatureLevel9_3);
ANGLE_FEATURE_CONDITION(features, allowES3OnFL100, false);
// TODO(jmadill): Disable workaround when we have a fixed compiler DLL.
ANGLE_FEATURE_CONDITION(features, expandIntegerPowExpressions, true);
ANGLE_FEATURE_CONDITION(features, flushAfterEndingTransformFeedback, isNvidia);
ANGLE_FEATURE_CONDITION(features, getDimensionsIgnoresBaseLevel, isNvidia);
ANGLE_FEATURE_CONDITION(features, skipVSConstantRegisterZero, isNvidia);
ANGLE_FEATURE_CONDITION(features, forceAtomicValueResolution, isNvidia);
ANGLE_FEATURE_CONDITION(features, preAddTexelFetchOffsets, isIntel);
ANGLE_FEATURE_CONDITION(features, useSystemMemoryForConstantBuffers, isIntel);
// ClearView on Skylake seems to incorrectly clear with unaligned rects (edge has saw tooth
// pattern instead of straight).
ANGLE_FEATURE_CONDITION(features, scissoredClearArtifacts, isIntel && isSkylake);
ANGLE_FEATURE_CONDITION(features, callClearTwice,
isIntel && isSkylake && capsVersion >= IntelDriverVersion(160000) &&
capsVersion < IntelDriverVersion(164771));
ANGLE_FEATURE_CONDITION(features, emulateIsnanFloat,
isIntel && isSkylake && capsVersion >= IntelDriverVersion(160000) &&
capsVersion < IntelDriverVersion(164542));
ANGLE_FEATURE_CONDITION(features, rewriteUnaryMinusOperator,
isIntel && (isBroadwell || isHaswell) &&
capsVersion >= IntelDriverVersion(150000) &&
capsVersion < IntelDriverVersion(154624));
ANGLE_FEATURE_CONDITION(features, addMockTextureNoRenderTarget,
isIntel && capsVersion >= IntelDriverVersion(160000) &&
capsVersion < IntelDriverVersion(164815));
// Haswell drivers occasionally corrupt (small?) (vertex?) texture data uploads for 128bit
// formats.
ANGLE_FEATURE_CONDITION(features, setDataFasterThanImageUpload, true);
ANGLE_FEATURE_CONDITION(features, setDataFasterThanImageUploadOn128bitFormats,
!(isIvyBridge || isBroadwell || isHaswell));
ANGLE_FEATURE_CONDITION(features, emulateClearViewAfterDualSourceBlending, isSandyBridge);
ANGLE_FEATURE_CONDITION(features, disableB5G6R5Support,
(isIntel && capsVersion >= IntelDriverVersion(150000) &&
capsVersion < IntelDriverVersion(154539)) ||
isAMD);
// TODO(jmadill): Disable when we have a fixed driver version.
// The tiny stencil texture workaround involves using CopySubresource or UpdateSubresource on a
// depth stencil texture. This is not allowed until feature level 10.1 but since it is not
// possible to support ES3 on these devices, there is no need for the workaround to begin with
// (anglebug.com/1572).
ANGLE_FEATURE_CONDITION(features, emulateTinyStencilTextures,
isAMD && !(deviceCaps.featureLevel < D3D_FEATURE_LEVEL_10_1));
// If the VPAndRTArrayIndexFromAnyShaderFeedingRasterizer feature is not available, we have to
// select the viewport / RT array index in the geometry shader.
ANGLE_FEATURE_CONDITION(features, selectViewInGeometryShader,
!deviceCaps.supportsVpRtIndexWriteFromVertexShader);
// NVidia drivers have no trouble clearing textures without showing corruption.
// Intel and AMD drivers that have trouble have been blocklisted by Chromium. In the case of
// Intel, they've been blocklisted to the DX9 runtime.
ANGLE_FEATURE_CONDITION(features, allowClearForRobustResourceInit, true);
// Allow translating uniform block to StructuredBuffer on Windows 10. This is targeted
// to work around a slow fxc compile performance issue with dynamic uniform indexing.
ANGLE_FEATURE_CONDITION(features, allowTranslateUniformBlockToStructuredBuffer,
IsWin10OrGreater());
}
void InitializeFrontendFeatures(const DXGI_ADAPTER_DESC &adapterDesc,
angle::FrontendFeatures *features)
{
bool isAMD = IsAMD(adapterDesc.VendorId);
ANGLE_FEATURE_CONDITION(features, forceDepthAttachmentInitOnClear, isAMD);
}
void InitConstantBufferDesc(D3D11_BUFFER_DESC *constantBufferDescription, size_t byteWidth)
{
constantBufferDescription->ByteWidth = static_cast<UINT>(byteWidth);
constantBufferDescription->Usage = D3D11_USAGE_DYNAMIC;
constantBufferDescription->BindFlags = D3D11_BIND_CONSTANT_BUFFER;
constantBufferDescription->CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
constantBufferDescription->MiscFlags = 0;
constantBufferDescription->StructureByteStride = 0;
}
} // namespace d3d11
// TextureHelper11 implementation.
TextureHelper11::TextureHelper11() : mFormatSet(nullptr), mSampleCount(0) {}
TextureHelper11::TextureHelper11(TextureHelper11 &&toCopy) : TextureHelper11()
{
*this = std::move(toCopy);
}
TextureHelper11::TextureHelper11(const TextureHelper11 &other)
: mFormatSet(other.mFormatSet), mExtents(other.mExtents), mSampleCount(other.mSampleCount)
{
mData = other.mData;
}
TextureHelper11::~TextureHelper11() {}
void TextureHelper11::getDesc(D3D11_TEXTURE2D_DESC *desc) const
{
static_cast<ID3D11Texture2D *>(mData->object)->GetDesc(desc);
}
void TextureHelper11::getDesc(D3D11_TEXTURE3D_DESC *desc) const
{
static_cast<ID3D11Texture3D *>(mData->object)->GetDesc(desc);
}
void TextureHelper11::getDesc(D3D11_BUFFER_DESC *desc) const
{
static_cast<ID3D11Buffer *>(mData->object)->GetDesc(desc);
}
void TextureHelper11::initDesc(const D3D11_TEXTURE2D_DESC &desc2D)
{
mData->resourceType = ResourceType::Texture2D;
mExtents.width = static_cast<int>(desc2D.Width);
mExtents.height = static_cast<int>(desc2D.Height);
mExtents.depth = 1;
mSampleCount = desc2D.SampleDesc.Count;
}
void TextureHelper11::initDesc(const D3D11_TEXTURE3D_DESC &desc3D)
{
mData->resourceType = ResourceType::Texture3D;
mExtents.width = static_cast<int>(desc3D.Width);
mExtents.height = static_cast<int>(desc3D.Height);
mExtents.depth = static_cast<int>(desc3D.Depth);
mSampleCount = 1;
}
void TextureHelper11::initDesc(const D3D11_BUFFER_DESC &descBuffer)
{
mData->resourceType = ResourceType::Buffer;
mExtents.width = static_cast<int>(descBuffer.ByteWidth);
mExtents.height = 1;
mExtents.depth = 1;
mSampleCount = 1;
}
TextureHelper11 &TextureHelper11::operator=(TextureHelper11 &&other)
{
std::swap(mData, other.mData);
std::swap(mExtents, other.mExtents);
std::swap(mFormatSet, other.mFormatSet);
std::swap(mSampleCount, other.mSampleCount);
return *this;
}
TextureHelper11 &TextureHelper11::operator=(const TextureHelper11 &other)
{
mData = other.mData;
mExtents = other.mExtents;
mFormatSet = other.mFormatSet;
mSampleCount = other.mSampleCount;
return *this;
}
bool TextureHelper11::operator==(const TextureHelper11 &other) const
{
return mData->object == other.mData->object;
}
bool TextureHelper11::operator!=(const TextureHelper11 &other) const
{
return mData->object != other.mData->object;
}
bool UsePresentPathFast(const Renderer11 *renderer,
const gl::FramebufferAttachment *framebufferAttachment)
{
if (framebufferAttachment == nullptr)
{
return false;
}
return (framebufferAttachment->type() == GL_FRAMEBUFFER_DEFAULT &&
renderer->presentPathFastEnabled());
}
bool UsePrimitiveRestartWorkaround(bool primitiveRestartFixedIndexEnabled,
gl::DrawElementsType type)
{
// We should never have to deal with primitive restart workaround issue with GL_UNSIGNED_INT
// indices, since we restrict it via MAX_ELEMENT_INDEX.
return (!primitiveRestartFixedIndexEnabled && type == gl::DrawElementsType::UnsignedShort);
}
IndexStorageType ClassifyIndexStorage(const gl::State &glState,
const gl::Buffer *elementArrayBuffer,
gl::DrawElementsType elementType,
gl::DrawElementsType destElementType,
unsigned int offset)
{
// No buffer bound means we are streaming from a client pointer.
if (!elementArrayBuffer || !IsOffsetAligned(elementType, offset))
{
return IndexStorageType::Dynamic;
}
// The buffer can be used directly if the storage supports it and no translation needed.
BufferD3D *bufferD3D = GetImplAs<BufferD3D>(elementArrayBuffer);
if (bufferD3D->supportsDirectBinding() && destElementType == elementType)
{
return IndexStorageType::Direct;
}
// Use a static copy when available.
StaticIndexBufferInterface *staticBuffer = bufferD3D->getStaticIndexBuffer();
if (staticBuffer != nullptr)
{
return IndexStorageType::Static;
}
// Static buffer not available, fall back to streaming.
return IndexStorageType::Dynamic;
}
bool SwizzleRequired(const gl::TextureState &textureState)
{
// When sampling stencil, a swizzle is needed to move the stencil channel from G to R.
return textureState.swizzleRequired() || textureState.isStencilMode();
}
gl::SwizzleState GetEffectiveSwizzle(const gl::TextureState &textureState)
{
const gl::SwizzleState &swizzle = textureState.getSwizzleState();
if (textureState.isStencilMode())
{
// Per GL semantics, the stencil value should be in the red channel, while D3D11 formats
// leave stencil in the green channel. So copy the stencil value from green to all
// components requesting red. Green and blue become zero; alpha becomes one.
std::unordered_map<GLenum, GLenum> map = {{GL_RED, GL_GREEN}, {GL_GREEN, GL_ZERO},
{GL_BLUE, GL_ZERO}, {GL_ALPHA, GL_ONE},
{GL_ZERO, GL_ZERO}, {GL_ONE, GL_ONE}};
return gl::SwizzleState(map[swizzle.swizzleRed], map[swizzle.swizzleGreen],
map[swizzle.swizzleBlue], map[swizzle.swizzleAlpha]);
}
return swizzle;
}
} // namespace rx