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fixed blur rendering, stencil and gles3

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This commit is contained in:
vaxerski
2022-04-11 16:39:48 +02:00
parent 0f9850fafc
commit b56343133d
6 changed files with 66 additions and 31 deletions
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49
src/render/OpenGL.cpp
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@@ -127,13 +127,20 @@ void CHyprOpenGLImpl::begin(SMonitor* pMonitor) {
m_iWLROutputFb = m_iCurrentOutputFb;
// ensure a framebuffer for the monitor exists
if (m_mMonitorFramebuffers.find(pMonitor) == m_mMonitorFramebuffers.end() || m_mMonitorFramebuffers[pMonitor].m_Size != pMonitor->vecSize) {
m_mMonitorFramebuffers[pMonitor].alloc(pMonitor->vecSize.x, pMonitor->vecSize.y);
if (m_mMonitorRenderResources.find(pMonitor) == m_mMonitorRenderResources.end() || m_mMonitorRenderResources[pMonitor].primaryFB.m_Size != pMonitor->vecSize) {
m_mMonitorRenderResources[pMonitor].stencilTex.allocate();
m_mMonitorRenderResources[pMonitor].primaryFB.m_pStencilTex = &m_mMonitorRenderResources[pMonitor].stencilTex;
m_mMonitorRenderResources[pMonitor].mirrorFB.m_pStencilTex = &m_mMonitorRenderResources[pMonitor].stencilTex;
m_mMonitorRenderResources[pMonitor].primaryFB.alloc(pMonitor->vecSize.x, pMonitor->vecSize.y);
m_mMonitorRenderResources[pMonitor].mirrorFB.alloc(pMonitor->vecSize.x, pMonitor->vecSize.y);
createBGTextureForMonitor(pMonitor);
}
// bind the Hypr Framebuffer
m_mMonitorFramebuffers[pMonitor].bind();
// bind the primary Hypr Framebuffer
m_mMonitorRenderResources[pMonitor].primaryFB.bind();
clear(CColor(11, 11, 11, 255));
}
@@ -147,7 +154,7 @@ void CHyprOpenGLImpl::end() {
clear(CColor(11, 11, 11, 255));
renderTexture(m_mMonitorFramebuffers[m_RenderData.pMonitor].m_cTex, matrix, 255.f, 0);
renderTexture(m_mMonitorRenderResources[m_RenderData.pMonitor].primaryFB.m_cTex, matrix, 255.f, 0);
// reset our data
m_RenderData.pMonitor = nullptr;
@@ -292,22 +299,29 @@ void CHyprOpenGLImpl::renderTextureWithBlur(const CTexture& tex, float matrix[9]
return;
}
// create a stencil for our thang
glEnable(GL_STENCIL_TEST);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
// bind the mirror FB and clear it.
m_mMonitorRenderResources[m_RenderData.pMonitor].mirrorFB.bind();
clear(CColor(0, 0, 0, 0));
// we clear the stencil and then draw our texture with GL_ALWAYS to make a stencil mask.
// init stencil for blurring only behind da window
glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
glStencilMask(0xFF);
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_ALWAYS, 1, 0xFF);
glStencilFunc(GL_ALWAYS, 1, -1);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
renderTexture(tex, matrix, 0, round); // 0 alpha because we dont want to draw to the FB
// render our window to the mirror FB while also writing to the stencil
renderTexture(tex, matrix, a, round);
// then we disable writing to the mask and ONLY accept writing within the stencil
glStencilMask(0x00);
glStencilFunc(GL_EQUAL, 1, 0xFF);
glStencilFunc(GL_EQUAL, 1, -1);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
// now we bind back the primary FB
// the mirror FB now has only our window.
m_mMonitorRenderResources[m_RenderData.pMonitor].primaryFB.bind();
glEnable(GL_BLEND);
@@ -327,7 +341,7 @@ void CHyprOpenGLImpl::renderTextureWithBlur(const CTexture& tex, float matrix[9]
const auto RADIUS = g_pConfigManager->getInt("decoration:blur_size") + 2;
const auto BLURPASSES = g_pConfigManager->getInt("decoration:blur_passes");
const auto PFRAMEBUFFER = &m_mMonitorFramebuffers[m_RenderData.pMonitor];
const auto PFRAMEBUFFER = &m_mMonitorRenderResources[m_RenderData.pMonitor].primaryFB;
auto drawWithShader = [&](CShader* pShader) {
glActiveTexture(GL_TEXTURE0);
@@ -363,10 +377,11 @@ void CHyprOpenGLImpl::renderTextureWithBlur(const CTexture& tex, float matrix[9]
glBindTexture(tex.m_iTarget, 0);
// when the blur is done, let's render the window itself
renderTexture(tex, matrix, a, round);
// we get it from the mirrored FB full because it's the FB 255 alpha cuz we rendered with a before, same for rounding
renderTexture(m_mMonitorRenderResources[m_RenderData.pMonitor].mirrorFB.m_cTex, matrixFull, 255.f, 0);
// and disable the stencil
glStencilMask(0xFF);
glStencilMask(-1);
glStencilFunc(GL_ALWAYS, 1, 0xFF);
glDisable(GL_STENCIL_TEST);
}