diff options
| author | Laszlo Agocs <laszlo.agocs@qt.io> | 2023-06-19 11:56:48 +0200 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@qt.io> | 2023-06-22 15:20:26 +0200 |
| commit | f9d90c6fbab1d4f66dcc3fbc06f7f157693d04d1 (patch) | |
| tree | a51ead7381684a8cb484b229f162241c0481c4ad /src/gui/rhi/qrhigles2.cpp | |
| parent | 2b9ef2eb44c084d39ef8324cfe1ae42a98b3038f (diff) | |
rhi: Introduce multiview starting with OpenGL (ES)
Fixes: QTBUG-114770
Change-Id: Ibb1ced7f19d15a5116c60e95fd3e6b86ace63155
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
Diffstat (limited to 'src/gui/rhi/qrhigles2.cpp')
| -rw-r--r-- | src/gui/rhi/qrhigles2.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/gui/rhi/qrhigles2.cpp b/src/gui/rhi/qrhigles2.cpp index 0a4bc8d01c..af5f07d6de 100644 --- a/src/gui/rhi/qrhigles2.cpp +++ b/src/gui/rhi/qrhigles2.cpp @@ -1009,6 +1009,15 @@ bool QRhiGles2::create(QRhi::Flags flags) caps.halfAttributes = f->hasOpenGLExtension(QOpenGLExtensions::HalfFloatVertex); + // We always require GL_OVR_multiview2 for symmetry with other backends. + caps.multiView = f->hasOpenGLExtension(QOpenGLExtensions::MultiView) + && f->hasOpenGLExtension(QOpenGLExtensions::MultiViewExtended); + if (caps.multiView) { + glFramebufferTextureMultiviewOVR = + reinterpret_cast<void(QOPENGLF_APIENTRYP)(GLenum, GLenum, GLuint, GLint, GLint, GLsizei)>( + ctx->getProcAddress(QByteArrayLiteral("glFramebufferTextureMultiviewOVR"))); + } + nativeHandlesStruct.context = ctx; contextLost = false; @@ -1371,6 +1380,8 @@ bool QRhiGles2::isFeatureSupported(QRhi::Feature feature) const return caps.texture1D; case QRhi::ThreeDimensionalTextureMipmaps: return caps.texture3D; + case QRhi::MultiView: + return caps.multiView && caps.maxTextureArraySize > 0; default: Q_UNREACHABLE_RETURN(false); } @@ -5554,8 +5565,13 @@ bool QGles2TextureRenderTarget::create() QGles2Texture *texD = QRHI_RES(QGles2Texture, texture); Q_ASSERT(texD->texture && texD->specified); if (texD->flags().testFlag(QRhiTexture::ThreeDimensional) || texD->flags().testFlag(QRhiTexture::TextureArray)) { - rhiD->f->glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + uint(attIndex), texD->texture, - colorAtt.level(), colorAtt.layer()); + if (it->multiViewCount() < 2) { + rhiD->f->glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + uint(attIndex), texD->texture, + colorAtt.level(), colorAtt.layer()); + } else { + rhiD->glFramebufferTextureMultiviewOVR(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + uint(attIndex), texD->texture, + colorAtt.level(), colorAtt.layer(), colorAtt.multiViewCount()); + } } else if (texD->flags().testFlag(QRhiTexture::OneDimensional)) { rhiD->glFramebufferTexture1D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + uint(attIndex), texD->target + uint(colorAtt.layer()), texD->texture, |