void StateManagerGL::setClearState(const gl::State &state, GLbitfield mask)
{
// Only apply the state required to do a clear
setScissor(state.getScissor());
setViewport(state.getViewport());
if ((mask & GL_COLOR_BUFFER_BIT) != 0)
{
setClearColor(state.getColorClearValue());
const gl::BlendState &blendState = state.getBlendState();
setColorMask(blendState.colorMaskRed, blendState.colorMaskGreen, blendState.colorMaskBlue, blendState.colorMaskAlpha);
}
if ((mask & GL_DEPTH_BUFFER_BIT) != 0)
{
setClearDepth(state.getDepthClearValue());
setDepthMask(state.getDepthStencilState().depthMask);
}
if ((mask & GL_STENCIL_BUFFER_BIT) != 0)
{
setClearStencil(state.getStencilClearValue());
setStencilMask(state.getDepthStencilState().stencilMask);
}
}
gl::Error StateManager9::setBlendDepthRasterStates(const gl::State &glState,
unsigned int sampleMask)
{
const gl::Framebuffer *framebuffer = glState.getDrawFramebuffer();
const gl::BlendState &blendState = glState.getBlendState();
const gl::ColorF &blendColor = glState.getBlendColor();
const gl::RasterizerState &rasterState = glState.getRasterizerState();
const auto &depthStencilState = glState.getDepthStencilState();
bool frontFaceCCW = (glState.getRasterizerState().frontFace == GL_CCW);
unsigned int maxStencil = (1 << mCurStencilSize) - 1;
// All the depth stencil states depends on the front face ccw variable
if (frontFaceCCW != mCurFrontFaceCCW)
{
forceSetDepthStencilState();
mCurFrontFaceCCW = frontFaceCCW;
}
for (auto dirtyBit : angle::IterateBitSet(mDirtyBits))
{
switch (dirtyBit)
{
case DIRTY_BIT_BLEND_ENABLED:
setBlendEnabled(blendState.blend);
break;
case DIRTY_BIT_BLEND_COLOR:
setBlendColor(blendState, blendColor);
break;
case DIRTY_BIT_BLEND_FUNCS_EQUATIONS:
setBlendFuncsEquations(blendState);
break;
case DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE:
setSampleAlphaToCoverage(blendState.sampleAlphaToCoverage);
break;
case DIRTY_BIT_COLOR_MASK:
setColorMask(framebuffer, blendState.colorMaskRed, blendState.colorMaskBlue,
blendState.colorMaskGreen, blendState.colorMaskAlpha);
break;
case DIRTY_BIT_DITHER:
setDither(blendState.dither);
break;
case DIRTY_BIT_CULL_MODE:
setCullMode(rasterState.cullFace, rasterState.cullMode, rasterState.frontFace);
break;
case DIRTY_BIT_DEPTH_BIAS:
setDepthBias(rasterState.polygonOffsetFill, rasterState.polygonOffsetFactor,
rasterState.polygonOffsetUnits);
break;
case DIRTY_BIT_STENCIL_DEPTH_MASK:
setDepthMask(depthStencilState.depthMask);
break;
case DIRTY_BIT_STENCIL_DEPTH_FUNC:
setDepthFunc(depthStencilState.depthTest, depthStencilState.depthFunc);
break;
case DIRTY_BIT_STENCIL_TEST_ENABLED:
setStencilTestEnabled(depthStencilState.stencilTest);
break;
case DIRTY_BIT_STENCIL_FUNCS_FRONT:
setStencilFuncsFront(depthStencilState.stencilFunc, depthStencilState.stencilMask,
glState.getStencilRef(), frontFaceCCW, maxStencil);
break;
case DIRTY_BIT_STENCIL_FUNCS_BACK:
setStencilFuncsBack(depthStencilState.stencilBackFunc,
depthStencilState.stencilBackMask, glState.getStencilBackRef(),
frontFaceCCW, maxStencil);
break;
case DIRTY_BIT_STENCIL_WRITEMASK_FRONT:
setStencilWriteMask(depthStencilState.stencilWritemask, frontFaceCCW);
break;
case DIRTY_BIT_STENCIL_WRITEMASK_BACK:
setStencilBackWriteMask(depthStencilState.stencilBackWritemask, frontFaceCCW);
break;
case DIRTY_BIT_STENCIL_OPS_FRONT:
setStencilOpsFront(depthStencilState.stencilFail,
depthStencilState.stencilPassDepthFail,
depthStencilState.stencilPassDepthPass, frontFaceCCW);
break;
case DIRTY_BIT_STENCIL_OPS_BACK:
setStencilOpsBack(depthStencilState.stencilBackFail,
depthStencilState.stencilBackPassDepthFail,
depthStencilState.stencilBackPassDepthPass, frontFaceCCW);
break;
default:
break;
}
}
if (sampleMask != mCurSampleMask)
{
setSampleMask(sampleMask);
}
return gl::Error(GL_NO_ERROR);
}
void StateManager9::syncState(const gl::State &state, const gl::State::DirtyBits &dirtyBits)
{
for (auto dirtyBit : angle::IterateBitSet(dirtyBits))
{
switch (dirtyBit)
{
case gl::State::DIRTY_BIT_BLEND_ENABLED:
if (state.getBlendState().blend != mCurBlendState.blend)
{
mDirtyBits.set(DIRTY_BIT_BLEND_ENABLED);
// BlendColor and funcs and equations has to be set if blend is enabled
mDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
}
break;
case gl::State::DIRTY_BIT_BLEND_FUNCS:
{
const gl::BlendState &blendState = state.getBlendState();
if (blendState.sourceBlendRGB != mCurBlendState.sourceBlendRGB ||
blendState.destBlendRGB != mCurBlendState.destBlendRGB ||
blendState.sourceBlendAlpha != mCurBlendState.sourceBlendAlpha ||
blendState.destBlendAlpha != mCurBlendState.destBlendAlpha)
{
mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
// BlendColor depends on the values of blend funcs
mDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
}
break;
}
case gl::State::DIRTY_BIT_BLEND_EQUATIONS:
{
const gl::BlendState &blendState = state.getBlendState();
if (blendState.blendEquationRGB != mCurBlendState.blendEquationRGB ||
blendState.blendEquationAlpha != mCurBlendState.blendEquationAlpha)
{
mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
}
break;
}
case gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED:
if (state.getBlendState().sampleAlphaToCoverage !=
mCurBlendState.sampleAlphaToCoverage)
{
mDirtyBits.set(DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE);
}
break;
case gl::State::DIRTY_BIT_COLOR_MASK:
{
const gl::BlendState &blendState = state.getBlendState();
if (blendState.colorMaskRed != mCurBlendState.colorMaskRed ||
blendState.colorMaskGreen != mCurBlendState.colorMaskGreen ||
blendState.colorMaskBlue != mCurBlendState.colorMaskBlue ||
blendState.colorMaskAlpha != mCurBlendState.colorMaskAlpha)
{
mDirtyBits.set(DIRTY_BIT_COLOR_MASK);
}
break;
}
case gl::State::DIRTY_BIT_DITHER_ENABLED:
if (state.getBlendState().dither != mCurBlendState.dither)
{
mDirtyBits.set(DIRTY_BIT_DITHER);
}
break;
case gl::State::DIRTY_BIT_BLEND_COLOR:
if (state.getBlendColor() != mCurBlendColor)
{
mDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
}
break;
case gl::State::DIRTY_BIT_CULL_FACE_ENABLED:
if (state.getRasterizerState().cullFace != mCurRasterState.cullFace)
{
mDirtyBits.set(DIRTY_BIT_CULL_MODE);
}
break;
case gl::State::DIRTY_BIT_CULL_FACE:
if (state.getRasterizerState().cullMode != mCurRasterState.cullMode)
{
mDirtyBits.set(DIRTY_BIT_CULL_MODE);
}
break;
case gl::State::DIRTY_BIT_FRONT_FACE:
if (state.getRasterizerState().frontFace != mCurRasterState.frontFace)
{
mDirtyBits.set(DIRTY_BIT_CULL_MODE);
// Viewport state depends on rasterizer.frontface
mDirtyBits.set(DIRTY_BIT_VIEWPORT);
}
break;
case gl::State::DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED:
if (state.getRasterizerState().polygonOffsetFill !=
mCurRasterState.polygonOffsetFill)
{
mDirtyBits.set(DIRTY_BIT_DEPTH_BIAS);
}
break;
case gl::State::DIRTY_BIT_POLYGON_OFFSET:
{
const gl::RasterizerState &rasterizerState = state.getRasterizerState();
if (rasterizerState.polygonOffsetFactor != mCurRasterState.polygonOffsetFactor ||
rasterizerState.polygonOffsetUnits != mCurRasterState.polygonOffsetUnits)
{
mDirtyBits.set(DIRTY_BIT_DEPTH_BIAS);
}
}
case gl::State::DIRTY_BIT_DEPTH_MASK:
if (state.getDepthStencilState().depthMask != mCurDepthStencilState.depthMask)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_MASK);
}
break;
case gl::State::DIRTY_BIT_DEPTH_TEST_ENABLED:
if (state.getDepthStencilState().depthTest != mCurDepthStencilState.depthTest)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_FUNC);
}
break;
case gl::State::DIRTY_BIT_DEPTH_FUNC:
if (state.getDepthStencilState().depthFunc != mCurDepthStencilState.depthFunc)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_FUNC);
}
break;
case gl::State::DIRTY_BIT_STENCIL_TEST_ENABLED:
if (state.getDepthStencilState().stencilTest != mCurDepthStencilState.stencilTest)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_TEST_ENABLED);
// If we enable the stencil test, all of these must be set
mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_BACK);
mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_FRONT);
mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_FRONT);
mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_BACK);
mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_FRONT);
mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_BACK);
}
break;
case gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT:
{
const gl::DepthStencilState &depthStencilState = state.getDepthStencilState();
if (depthStencilState.stencilFunc != mCurDepthStencilState.stencilFunc ||
depthStencilState.stencilMask != mCurDepthStencilState.stencilMask ||
state.getStencilRef() != mCurStencilRef)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_FRONT);
}
break;
}
case gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK:
{
const gl::DepthStencilState &depthStencilState = state.getDepthStencilState();
if (depthStencilState.stencilBackFunc != mCurDepthStencilState.stencilBackFunc ||
depthStencilState.stencilBackMask != mCurDepthStencilState.stencilBackMask ||
state.getStencilBackRef() != mCurStencilBackRef)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_BACK);
}
break;
}
case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT:
if (state.getDepthStencilState().stencilWritemask !=
mCurDepthStencilState.stencilWritemask)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_FRONT);
}
break;
case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_BACK:
if (state.getDepthStencilState().stencilBackWritemask !=
mCurDepthStencilState.stencilBackWritemask)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_BACK);
}
break;
case gl::State::DIRTY_BIT_STENCIL_OPS_FRONT:
{
const gl::DepthStencilState &depthStencilState = state.getDepthStencilState();
if (depthStencilState.stencilFail != mCurDepthStencilState.stencilFail ||
depthStencilState.stencilPassDepthFail !=
mCurDepthStencilState.stencilPassDepthFail ||
depthStencilState.stencilPassDepthPass !=
mCurDepthStencilState.stencilPassDepthPass)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_FRONT);
}
break;
}
case gl::State::DIRTY_BIT_STENCIL_OPS_BACK:
{
const gl::DepthStencilState &depthStencilState = state.getDepthStencilState();
if (depthStencilState.stencilBackFail != mCurDepthStencilState.stencilBackFail ||
depthStencilState.stencilBackPassDepthFail !=
mCurDepthStencilState.stencilBackPassDepthFail ||
depthStencilState.stencilBackPassDepthPass !=
mCurDepthStencilState.stencilBackPassDepthPass)
{
mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_BACK);
}
break;
}
case gl::State::DIRTY_BIT_SCISSOR_TEST_ENABLED:
if (state.isScissorTestEnabled() != mCurScissorEnabled)
{
mDirtyBits.set(DIRTY_BIT_SCISSOR_ENABLED);
// If scissor is enabled, we have to set the scissor rect
mDirtyBits.set(DIRTY_BIT_SCISSOR_RECT);
}
break;
case gl::State::DIRTY_BIT_SCISSOR:
if (state.getScissor() != mCurScissorRect)
{
mDirtyBits.set(DIRTY_BIT_SCISSOR_RECT);
}
break;
case gl::State::DIRTY_BIT_DEPTH_RANGE:
if (state.getNearPlane() != mCurNear || state.getFarPlane() != mCurFar)
{
mDirtyBits.set(DIRTY_BIT_VIEWPORT);
}
break;
case gl::State::DIRTY_BIT_VIEWPORT:
if (state.getViewport() != mCurViewport)
{
mDirtyBits.set(DIRTY_BIT_VIEWPORT);
}
break;
default:
break;
}
}
}
void StateManagerGL::syncState(const gl::State &state, const gl::State::DirtyBits &dirtyBits)
{
// TODO(jmadill): Investigate only syncing vertex state for active attributes
for (auto dirtyBit : angle::IterateBitSet(dirtyBits | mLocalDirtyBits))
{
switch (dirtyBit)
{
case gl::State::DIRTY_BIT_SCISSOR_TEST_ENABLED:
setScissorTestEnabled(state.isScissorTestEnabled());
break;
case gl::State::DIRTY_BIT_SCISSOR:
setScissor(state.getScissor());
break;
case gl::State::DIRTY_BIT_VIEWPORT:
setViewport(state.getViewport());
break;
case gl::State::DIRTY_BIT_DEPTH_RANGE:
setDepthRange(state.getNearPlane(), state.getFarPlane());
break;
case gl::State::DIRTY_BIT_BLEND_ENABLED:
setBlendEnabled(state.isBlendEnabled());
break;
case gl::State::DIRTY_BIT_BLEND_COLOR:
setBlendColor(state.getBlendColor());
break;
case gl::State::DIRTY_BIT_BLEND_FUNCS:
{
const auto &blendState = state.getBlendState();
setBlendFuncs(blendState.sourceBlendRGB, blendState.destBlendRGB,
blendState.sourceBlendAlpha, blendState.destBlendAlpha);
break;
}
case gl::State::DIRTY_BIT_BLEND_EQUATIONS:
{
const auto &blendState = state.getBlendState();
setBlendEquations(blendState.blendEquationRGB, blendState.blendEquationAlpha);
break;
}
case gl::State::DIRTY_BIT_COLOR_MASK:
{
const auto &blendState = state.getBlendState();
setColorMask(blendState.colorMaskRed, blendState.colorMaskGreen,
blendState.colorMaskBlue, blendState.colorMaskAlpha);
break;
}
case gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED:
setSampleAlphaToCoverageEnabled(state.isSampleAlphaToCoverageEnabled());
break;
case gl::State::DIRTY_BIT_SAMPLE_COVERAGE_ENABLED:
setSampleCoverageEnabled(state.isSampleCoverageEnabled());
break;
case gl::State::DIRTY_BIT_SAMPLE_COVERAGE:
setSampleCoverage(state.getSampleCoverageValue(), state.getSampleCoverageInvert());
break;
case gl::State::DIRTY_BIT_DEPTH_TEST_ENABLED:
setDepthTestEnabled(state.isDepthTestEnabled());
break;
case gl::State::DIRTY_BIT_DEPTH_FUNC:
setDepthFunc(state.getDepthStencilState().depthFunc);
break;
case gl::State::DIRTY_BIT_DEPTH_MASK:
setDepthMask(state.getDepthStencilState().depthMask);
break;
case gl::State::DIRTY_BIT_STENCIL_TEST_ENABLED:
setStencilTestEnabled(state.isStencilTestEnabled());
break;
case gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT:
{
const auto &depthStencilState = state.getDepthStencilState();
setStencilFrontFuncs(depthStencilState.stencilFunc, state.getStencilRef(),
depthStencilState.stencilMask);
break;
}
case gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK:
{
const auto &depthStencilState = state.getDepthStencilState();
setStencilBackFuncs(depthStencilState.stencilBackFunc, state.getStencilBackRef(),
depthStencilState.stencilBackMask);
break;
}
case gl::State::DIRTY_BIT_STENCIL_OPS_FRONT:
{
const auto &depthStencilState = state.getDepthStencilState();
setStencilFrontOps(depthStencilState.stencilFail,
depthStencilState.stencilPassDepthFail,
depthStencilState.stencilPassDepthPass);
break;
}
case gl::State::DIRTY_BIT_STENCIL_OPS_BACK:
{
const auto &depthStencilState = state.getDepthStencilState();
setStencilBackOps(depthStencilState.stencilBackFail,
depthStencilState.stencilBackPassDepthFail,
depthStencilState.stencilBackPassDepthPass);
break;
}
case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT:
setStencilFrontWritemask(state.getDepthStencilState().stencilWritemask);
break;
case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_BACK:
setStencilBackWritemask(state.getDepthStencilState().stencilBackWritemask);
break;
case gl::State::DIRTY_BIT_CULL_FACE_ENABLED:
setCullFaceEnabled(state.isCullFaceEnabled());
break;
case gl::State::DIRTY_BIT_CULL_FACE:
setCullFace(state.getRasterizerState().cullMode);
break;
case gl::State::DIRTY_BIT_FRONT_FACE:
setFrontFace(state.getRasterizerState().frontFace);
break;
case gl::State::DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED:
setPolygonOffsetFillEnabled(state.isPolygonOffsetFillEnabled());
break;
case gl::State::DIRTY_BIT_POLYGON_OFFSET:
{
const auto &rasterizerState = state.getRasterizerState();
setPolygonOffset(rasterizerState.polygonOffsetFactor,
rasterizerState.polygonOffsetUnits);
break;
}
case gl::State::DIRTY_BIT_RASTERIZER_DISCARD_ENABLED:
setRasterizerDiscardEnabled(state.isRasterizerDiscardEnabled());
break;
case gl::State::DIRTY_BIT_LINE_WIDTH:
setLineWidth(state.getLineWidth());
break;
case gl::State::DIRTY_BIT_PRIMITIVE_RESTART_ENABLED:
setPrimitiveRestartEnabled(state.isPrimitiveRestartEnabled());
break;
case gl::State::DIRTY_BIT_CLEAR_COLOR:
setClearColor(state.getColorClearValue());
break;
case gl::State::DIRTY_BIT_CLEAR_DEPTH:
setClearDepth(state.getDepthClearValue());
break;
case gl::State::DIRTY_BIT_CLEAR_STENCIL:
setClearStencil(state.getStencilClearValue());
break;
case gl::State::DIRTY_BIT_UNPACK_ALIGNMENT:
// TODO(jmadill): split this
setPixelUnpackState(state.getUnpackState());
break;
case gl::State::DIRTY_BIT_UNPACK_ROW_LENGTH:
// TODO(jmadill): split this
setPixelUnpackState(state.getUnpackState());
break;
case gl::State::DIRTY_BIT_UNPACK_IMAGE_HEIGHT:
// TODO(jmadill): split this
setPixelUnpackState(state.getUnpackState());
break;
case gl::State::DIRTY_BIT_UNPACK_SKIP_IMAGES:
// TODO(jmadill): split this
setPixelUnpackState(state.getUnpackState());
break;
case gl::State::DIRTY_BIT_UNPACK_SKIP_ROWS:
// TODO(jmadill): split this
setPixelUnpackState(state.getUnpackState());
break;
case gl::State::DIRTY_BIT_UNPACK_SKIP_PIXELS:
// TODO(jmadill): split this
setPixelUnpackState(state.getUnpackState());
break;
case gl::State::DIRTY_BIT_PACK_ALIGNMENT:
// TODO(jmadill): split this
setPixelPackState(state.getPackState());
break;
case gl::State::DIRTY_BIT_PACK_REVERSE_ROW_ORDER:
// TODO(jmadill): split this
setPixelPackState(state.getPackState());
break;
case gl::State::DIRTY_BIT_PACK_ROW_LENGTH:
// TODO(jmadill): split this
setPixelPackState(state.getPackState());
break;
case gl::State::DIRTY_BIT_PACK_SKIP_ROWS:
// TODO(jmadill): split this
setPixelPackState(state.getPackState());
break;
case gl::State::DIRTY_BIT_PACK_SKIP_PIXELS:
// TODO(jmadill): split this
setPixelPackState(state.getPackState());
break;
case gl::State::DIRTY_BIT_DITHER_ENABLED:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_GENERATE_MIPMAP_HINT:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_SHADER_DERIVATIVE_HINT:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_READ_FRAMEBUFFER_OBJECT:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_DRAW_FRAMEBUFFER_OBJECT:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_RENDERBUFFER_BINDING:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_VERTEX_ARRAY_BINDING:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_VERTEX_ARRAY_OBJECT:
state.getVertexArray()->syncImplState();
break;
case gl::State::DIRTY_BIT_PROGRAM_BINDING:
// TODO(jmadill): implement this
break;
case gl::State::DIRTY_BIT_PROGRAM_OBJECT:
// TODO(jmadill): implement this
break;
default:
{
ASSERT(dirtyBit >= gl::State::DIRTY_BIT_CURRENT_VALUE_0 &&
dirtyBit < gl::State::DIRTY_BIT_CURRENT_VALUE_MAX);
size_t attribIndex =
static_cast<size_t>(dirtyBit) - gl::State::DIRTY_BIT_CURRENT_VALUE_0;
setAttributeCurrentData(attribIndex, state.getVertexAttribCurrentValue(
static_cast<unsigned int>(attribIndex)));
break;
}
}
mLocalDirtyBits.reset();
}
}
gl::Error StateManager11::setDepthStencilState(const gl::State &glState)
{
const auto &fbo = *glState.getDrawFramebuffer();
// Disable the depth test/depth write if we are using a stencil-only attachment.
// This is because ANGLE emulates stencil-only with D24S8 on D3D11 - we should neither read
// nor write to the unused depth part of this emulated texture.
bool disableDepth = (!fbo.hasDepth() && fbo.hasStencil());
// Similarly we disable the stencil portion of the DS attachment if the app only binds depth.
bool disableStencil = (fbo.hasDepth() && !fbo.hasStencil());
// CurDisableDepth/Stencil are reset automatically after we call forceSetDepthStencilState.
if (!mDepthStencilStateIsDirty && mCurDisableDepth.valid() &&
disableDepth == mCurDisableDepth.value() && mCurDisableStencil.valid() &&
disableStencil == mCurDisableStencil.value())
{
return gl::Error(GL_NO_ERROR);
}
const auto &depthStencilState = glState.getDepthStencilState();
int stencilRef = glState.getStencilRef();
int stencilBackRef = glState.getStencilBackRef();
// get the maximum size of the stencil ref
unsigned int maxStencil = 0;
if (depthStencilState.stencilTest && mCurStencilSize > 0)
{
maxStencil = (1 << mCurStencilSize) - 1;
}
ASSERT((depthStencilState.stencilWritemask & maxStencil) ==
(depthStencilState.stencilBackWritemask & maxStencil));
ASSERT(stencilRef == stencilBackRef);
ASSERT((depthStencilState.stencilMask & maxStencil) ==
(depthStencilState.stencilBackMask & maxStencil));
ID3D11DepthStencilState *dxDepthStencilState = NULL;
gl::Error error = mRenderer->getStateCache().getDepthStencilState(
depthStencilState, disableDepth, disableStencil, &dxDepthStencilState);
if (error.isError())
{
return error;
}
ASSERT(dxDepthStencilState);
// Max D3D11 stencil reference value is 0xFF,
// corresponding to the max 8 bits in a stencil buffer
// GL specifies we should clamp the ref value to the
// nearest bit depth when doing stencil ops
static_assert(D3D11_DEFAULT_STENCIL_READ_MASK == 0xFF,
"Unexpected value of D3D11_DEFAULT_STENCIL_READ_MASK");
static_assert(D3D11_DEFAULT_STENCIL_WRITE_MASK == 0xFF,
"Unexpected value of D3D11_DEFAULT_STENCIL_WRITE_MASK");
UINT dxStencilRef = std::min<UINT>(stencilRef, 0xFFu);
mRenderer->getDeviceContext()->OMSetDepthStencilState(dxDepthStencilState, dxStencilRef);
mCurDepthStencilState = depthStencilState;
mCurStencilRef = stencilRef;
mCurStencilBackRef = stencilBackRef;
mCurDisableDepth = disableDepth;
mCurDisableStencil = disableStencil;
mDepthStencilStateIsDirty = false;
return gl::Error(GL_NO_ERROR);
}
void StateManager11::syncState(const gl::State &state, const gl::State::DirtyBits &dirtyBits)
{
if (!dirtyBits.any())
{
return;
}
for (auto dirtyBit : angle::IterateBitSet(dirtyBits))
{
switch (dirtyBit)
{
case gl::State::DIRTY_BIT_BLEND_EQUATIONS:
{
const gl::BlendState &blendState = state.getBlendState();
if (blendState.blendEquationRGB != mCurBlendState.blendEquationRGB ||
blendState.blendEquationAlpha != mCurBlendState.blendEquationAlpha)
{
mBlendStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_BLEND_FUNCS:
{
const gl::BlendState &blendState = state.getBlendState();
if (blendState.sourceBlendRGB != mCurBlendState.sourceBlendRGB ||
blendState.destBlendRGB != mCurBlendState.destBlendRGB ||
blendState.sourceBlendAlpha != mCurBlendState.sourceBlendAlpha ||
blendState.destBlendAlpha != mCurBlendState.destBlendAlpha)
{
mBlendStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_BLEND_ENABLED:
if (state.getBlendState().blend != mCurBlendState.blend)
{
mBlendStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED:
if (state.getBlendState().sampleAlphaToCoverage !=
mCurBlendState.sampleAlphaToCoverage)
{
mBlendStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_DITHER_ENABLED:
if (state.getBlendState().dither != mCurBlendState.dither)
{
mBlendStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_COLOR_MASK:
{
const gl::BlendState &blendState = state.getBlendState();
if (blendState.colorMaskRed != mCurBlendState.colorMaskRed ||
blendState.colorMaskGreen != mCurBlendState.colorMaskGreen ||
blendState.colorMaskBlue != mCurBlendState.colorMaskBlue ||
blendState.colorMaskAlpha != mCurBlendState.colorMaskAlpha)
{
mBlendStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_BLEND_COLOR:
if (state.getBlendColor() != mCurBlendColor)
{
mBlendStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_DEPTH_MASK:
if (state.getDepthStencilState().depthMask != mCurDepthStencilState.depthMask)
{
mDepthStencilStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_DEPTH_TEST_ENABLED:
if (state.getDepthStencilState().depthTest != mCurDepthStencilState.depthTest)
{
mDepthStencilStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_DEPTH_FUNC:
if (state.getDepthStencilState().depthFunc != mCurDepthStencilState.depthFunc)
{
mDepthStencilStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_STENCIL_TEST_ENABLED:
if (state.getDepthStencilState().stencilTest != mCurDepthStencilState.stencilTest)
{
mDepthStencilStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT:
{
const gl::DepthStencilState &depthStencil = state.getDepthStencilState();
if (depthStencil.stencilFunc != mCurDepthStencilState.stencilFunc ||
depthStencil.stencilMask != mCurDepthStencilState.stencilMask ||
state.getStencilRef() != mCurStencilRef)
{
mDepthStencilStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK:
{
const gl::DepthStencilState &depthStencil = state.getDepthStencilState();
if (depthStencil.stencilBackFunc != mCurDepthStencilState.stencilBackFunc ||
depthStencil.stencilBackMask != mCurDepthStencilState.stencilBackMask ||
state.getStencilBackRef() != mCurStencilBackRef)
{
mDepthStencilStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT:
if (state.getDepthStencilState().stencilWritemask !=
mCurDepthStencilState.stencilWritemask)
{
mDepthStencilStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_BACK:
if (state.getDepthStencilState().stencilBackWritemask !=
mCurDepthStencilState.stencilBackWritemask)
{
mDepthStencilStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_STENCIL_OPS_FRONT:
{
const gl::DepthStencilState &depthStencil = state.getDepthStencilState();
if (depthStencil.stencilFail != mCurDepthStencilState.stencilFail ||
depthStencil.stencilPassDepthFail !=
mCurDepthStencilState.stencilPassDepthFail ||
depthStencil.stencilPassDepthPass != mCurDepthStencilState.stencilPassDepthPass)
{
mDepthStencilStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_STENCIL_OPS_BACK:
{
const gl::DepthStencilState &depthStencil = state.getDepthStencilState();
if (depthStencil.stencilBackFail != mCurDepthStencilState.stencilBackFail ||
depthStencil.stencilBackPassDepthFail !=
mCurDepthStencilState.stencilBackPassDepthFail ||
depthStencil.stencilBackPassDepthPass !=
mCurDepthStencilState.stencilBackPassDepthPass)
{
mDepthStencilStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_CULL_FACE_ENABLED:
if (state.getRasterizerState().cullFace != mCurRasterState.cullFace)
{
mRasterizerStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_CULL_FACE:
if (state.getRasterizerState().cullMode != mCurRasterState.cullMode)
{
mRasterizerStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_FRONT_FACE:
if (state.getRasterizerState().frontFace != mCurRasterState.frontFace)
{
mRasterizerStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED:
if (state.getRasterizerState().polygonOffsetFill !=
mCurRasterState.polygonOffsetFill)
{
mRasterizerStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_POLYGON_OFFSET:
{
const gl::RasterizerState &rasterState = state.getRasterizerState();
if (rasterState.polygonOffsetFactor != mCurRasterState.polygonOffsetFactor ||
rasterState.polygonOffsetUnits != mCurRasterState.polygonOffsetUnits)
{
mRasterizerStateIsDirty = true;
}
break;
}
case gl::State::DIRTY_BIT_RASTERIZER_DISCARD_ENABLED:
if (state.getRasterizerState().rasterizerDiscard !=
mCurRasterState.rasterizerDiscard)
{
mRasterizerStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_SCISSOR:
if (state.getScissor() != mCurScissorRect)
{
mScissorStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_SCISSOR_TEST_ENABLED:
if (state.isScissorTestEnabled() != mCurScissorEnabled)
{
mScissorStateIsDirty = true;
// Rasterizer state update needs mCurScissorsEnabled and updates when it changes
mRasterizerStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_DEPTH_RANGE:
if (state.getNearPlane() != mCurNear || state.getFarPlane() != mCurFar)
{
mViewportStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_VIEWPORT:
if (state.getViewport() != mCurViewport)
{
mViewportStateIsDirty = true;
}
break;
case gl::State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING:
mRenderTargetIsDirty = true;
break;
default:
if (dirtyBit >= gl::State::DIRTY_BIT_CURRENT_VALUE_0 &&
dirtyBit < gl::State::DIRTY_BIT_CURRENT_VALUE_MAX)
{
size_t attribIndex =
static_cast<size_t>(dirtyBit - gl::State::DIRTY_BIT_CURRENT_VALUE_0);
mDirtyCurrentValueAttribs.set(attribIndex);
}
break;
}
}
}