diff options
Diffstat (limited to 'src/mbgl/renderer/painter.cpp')
| -rw-r--r-- | src/mbgl/renderer/painter.cpp | 103 |
1 files changed, 52 insertions, 51 deletions
diff --git a/src/mbgl/renderer/painter.cpp b/src/mbgl/renderer/painter.cpp index effeb086af..303de91025 100644 --- a/src/mbgl/renderer/painter.cpp +++ b/src/mbgl/renderer/painter.cpp @@ -82,12 +82,6 @@ bool Painter::needsAnimation() const { return frameHistory.needsAnimation(util::DEFAULT_FADE_DURATION); } -void Painter::setClipping(const ClipID& clip) { - const GLint ref = (GLint)clip.reference.to_ulong(); - const GLuint mask = (GLuint)clip.mask.to_ulong(); - context.stencilFunc = { gl::StencilTestFunction::Equal, ref, mask }; -} - void Painter::cleanup() { context.performCleanup(); } @@ -114,7 +108,6 @@ void Painter::render(const Style& style, const FrameData& frame_, View& view, Sp RenderData renderData = style.getRenderData(frame.debugOptions); const std::vector<RenderItem>& order = renderData.order; const std::unordered_set<Source*>& sources = renderData.sources; - const Color& background = renderData.backgroundColor; // Update the default matrices to the current viewport dimensions. state.getProjMatrix(projMatrix); @@ -153,26 +146,11 @@ void Painter::render(const Style& style, const FrameData& frame_, View& view, Sp { MBGL_DEBUG_GROUP("clear"); view.bind(); - context.stencilFunc = { gl::StencilTestFunction::Always, 0, ~0u }; - context.stencilTest = true; - context.stencilMask = 0xFF; - context.depthTest = false; - context.depthMask = true; - context.colorMask = { true, true, true, true }; - - if (paintMode() == PaintMode::Overdraw) { - context.blend = true; - context.blendFunc = { gl::BlendSourceFactor::ConstantColor, - gl::BlendDestinationFactor::One }; - const float overdraw = 1.0f / 8.0f; - context.blendColor = { overdraw, overdraw, overdraw, 0.0f }; - context.clearColor = Color::black(); - } else { - context.clearColor = background; - } - context.clearStencil = 0; - context.clearDepth = 1; - MBGL_CHECK_ERROR(glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)); + context.clear(paintMode() == PaintMode::Overdraw + ? Color::black() + : renderData.backgroundColor, + 1.0f, + 0); } // - CLIPPING MASKS ---------------------------------------------------------------------------- @@ -186,7 +164,12 @@ void Painter::render(const Style& style, const FrameData& frame_, View& view, Sp source->baseImpl->startRender(generator, projMatrix, state); } - drawClippingMasks(parameters, generator.getStencils()); + MBGL_DEBUG_GROUP("clipping masks"); + + for (const auto& stencil : generator.getStencils()) { + MBGL_DEBUG_GROUP(std::string{ "mask: " } + util::toString(stencil.first)); + renderClippingMask(stencil.first, stencil.second); + } } #if not MBGL_USE_GLES2 and not defined(NDEBUG) @@ -275,19 +258,6 @@ void Painter::renderPass(PaintParameters& parameters, if (!layer.baseImpl->hasRenderPass(pass)) continue; - if (paintMode() == PaintMode::Overdraw) { - context.blend = true; - } else if (pass == RenderPass::Translucent) { - context.blend = true; - context.blendFunc = { gl::BlendSourceFactor::One, - gl::BlendDestinationFactor::OneMinusSrcAlpha }; - } else { - context.blend = false; - } - - context.colorMask = { true, true, true, true }; - context.stencilMask = 0x0; - if (layer.is<BackgroundLayer>()) { MBGL_DEBUG_GROUP("background"); renderBackground(parameters, *layer.as<BackgroundLayer>()); @@ -296,11 +266,9 @@ void Painter::renderPass(PaintParameters& parameters, // Reset GL state to a known state so the CustomLayer always has a clean slate. context.vertexArrayObject = 0; - context.depthFunc = gl::DepthTestFunction::LessEqual; - context.depthTest = true; - context.depthMask = false; - context.stencilTest = false; - setDepthSublayer(0); + context.setDepthMode(depthModeForSublayer(0, gl::DepthMode::ReadOnly)); + context.setStencilMode(gl::StencilMode::disabled()); + context.setColorMode(colorModeForRenderPass()); layer.as<CustomLayer>()->impl->render(state); @@ -310,9 +278,6 @@ void Painter::renderPass(PaintParameters& parameters, context.setDirtyState(); } else { MBGL_DEBUG_GROUP(layer.baseImpl->id + " - " + util::toString(item.tile->id)); - if (item.bucket->needsClipping()) { - setClipping(item.tile->clip); - } item.bucket->render(*this, parameters, layer, *item.tile); } } @@ -322,10 +287,46 @@ void Painter::renderPass(PaintParameters& parameters, } } -void Painter::setDepthSublayer(int n) { +mat4 Painter::matrixForTile(const UnwrappedTileID& tileID) { + mat4 matrix; + state.matrixFor(matrix, tileID); + matrix::multiply(matrix, projMatrix, matrix); + return matrix; +} + +gl::DepthMode Painter::depthModeForSublayer(uint8_t n, gl::DepthMode::Mask mask) const { float nearDepth = ((1 + currentLayer) * numSublayers + n) * depthEpsilon; float farDepth = nearDepth + depthRangeSize; - context.depthRange = { nearDepth, farDepth }; + return gl::DepthMode { gl::DepthMode::LessEqual, mask, { nearDepth, farDepth } }; +} + +gl::StencilMode Painter::stencilModeForClipping(const ClipID& id) const { + return gl::StencilMode { + gl::StencilMode::Equal { static_cast<uint32_t>(id.mask.to_ulong()) }, + static_cast<int32_t>(id.reference.to_ulong()), + 0, + gl::StencilMode::Keep, + gl::StencilMode::Keep, + gl::StencilMode::Replace + }; +} + +gl::ColorMode Painter::colorModeForRenderPass() const { + if (paintMode() == PaintMode::Overdraw) { + const float overdraw = 1.0f / 8.0f; + return gl::ColorMode { + gl::ColorMode::Add { + gl::ColorMode::ConstantColor, + gl::ColorMode::One + }, + Color { overdraw, overdraw, overdraw, 0.0f }, + gl::ColorMode::Mask { true, true, true, true } + }; + } else if (pass == RenderPass::Translucent) { + return gl::ColorMode::alphaBlended(); + } else { + return gl::ColorMode::unblended(); + } } } // namespace mbgl |