qt 6.5.1 original

tests/manual/rhi/cubemap_render/CMakeLists.txt

@@ -0,0 +1,32 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## cubemap_render Binary:
+#####################################################################
+
+qt_internal_add_manual_test(cubemap_render
+    GUI
+    SOURCES
+        cubemap_render.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::GuiPrivate
+)
+
+# Resources:
+set(cubemap_render_resource_files
+    "cubemap_mrt.frag.qsb"
+    "cubemap_mrt.vert.qsb"
+    "cubemap_oneface.frag.qsb"
+    "cubemap_oneface.vert.qsb"
+    "cubemap_sample.frag.qsb"
+    "cubemap_sample.vert.qsb"
+)
+
+qt_internal_add_resource(cubemap_render "cubemap_render"
+    PREFIX
+        "/"
+    FILES
+        ${cubemap_render_resource_files}
+)

tests/manual/rhi/cubemap_render/buildshaders.bat

@@ -0,0 +1,6 @@
+qsb --glsl "300 es,120" --hlsl 50 --msl 12 cubemap_oneface.vert -o cubemap_oneface.vert.qsb
+qsb --glsl "300 es,120" --hlsl 50 --msl 12 cubemap_oneface.frag -o cubemap_oneface.frag.qsb
+qsb --glsl "300 es,120" --hlsl 50 --msl 12 cubemap_mrt.vert -o cubemap_mrt.vert.qsb
+qsb --glsl "300 es,120" --hlsl 50 --msl 12 cubemap_mrt.frag -o cubemap_mrt.frag.qsb
+qsb --glsl "300 es,120" --hlsl 50 --msl 12 cubemap_sample.vert -o cubemap_sample.vert.qsb
+qsb --glsl "300 es,120" --hlsl 50 --msl 12 cubemap_sample.frag -o cubemap_sample.frag.qsb

tests/manual/rhi/cubemap_render/cubemap_mrt.frag

@@ -0,0 +1,28 @@
+#version 440
+
+layout(location = 0) out vec4 c0;
+layout(location = 1) out vec4 c1;
+layout(location = 2) out vec4 c2;
+layout(location = 3) out vec4 c3;
+layout(location = 4) out vec4 c4;
+layout(location = 5) out vec4 c5;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+    vec3 color0;
+    vec3 color1;
+    vec3 color2;
+    vec3 color3;
+    vec3 color4;
+    vec3 color5;
+} ubuf;
+
+void main()
+{
+    c0 = vec4(ubuf.color0, 1.0);
+    c1 = vec4(ubuf.color1, 1.0);
+    c2 = vec4(ubuf.color2, 1.0);
+    c3 = vec4(ubuf.color3, 1.0);
+    c4 = vec4(ubuf.color4, 1.0);
+    c5 = vec4(ubuf.color5, 1.0);
+}

tests/manual/rhi/cubemap_render/cubemap_mrt.vert

@@ -0,0 +1,20 @@
+#version 440
+
+layout(location = 0) in vec4 position;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+    vec3 color0;
+    vec3 color1;
+    vec3 color2;
+    vec3 color3;
+    vec3 color4;
+    vec3 color5;
+} ubuf;
+
+out gl_PerVertex { vec4 gl_Position; };
+
+void main()
+{
+    gl_Position = ubuf.mvp * position;
+}

tests/manual/rhi/cubemap_render/cubemap_oneface.frag

@@ -0,0 +1,13 @@
+#version 440
+
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+    vec3 color;
+} ubuf;
+
+void main()
+{
+    fragColor = vec4(ubuf.color, 1.0);
+}

tests/manual/rhi/cubemap_render/cubemap_oneface.vert

@@ -0,0 +1,15 @@
+#version 440
+
+layout(location = 0) in vec4 position;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+    vec3 color;
+} ubuf;
+
+out gl_PerVertex { vec4 gl_Position; };
+
+void main()
+{
+    gl_Position = ubuf.mvp * position;
+}

tests/manual/rhi/cubemap_render/cubemap_render.cpp

@@ -0,0 +1,419 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+// Demonstrates rendering to two cubemaps in two different ways:
+//   - one by one, to each face,
+//   - if the supported max number of color attachments is greater than 4: in
+//     one go with all 6 faces attached as render targets.
+//
+// Finally, show what we got in a skybox-ish thing. Press the arrow keys to
+// switch between the two cubemaps. (the only difference should be their
+// background clear color)
+
+#define EXAMPLEFW_KEYPRESS_EVENTS
+#include "../shared/examplefw.h"
+#include "../shared/cube.h"
+
+// each face is 512x512
+static const QSize cubemapSize(512, 512);
+
+// each cubemap face gets a 256x256 quad in the center
+static float halfQuadVertexData[] =
+{ // Y up, CCW
+  -0.5f,    0.5f,
+  -0.5f,   -0.5f,
+   0.5f,   -0.5f,
+   0.5f,    0.5f,
+};
+
+static quint16 halfQuadIndexData[] =
+{
+    0, 1, 2, 0, 2, 3
+};
+
+struct {
+    QList<QRhiResource *> releasePool;
+
+    QRhiTexture *cubemap1 = nullptr;
+    QRhiTexture *cubemap2 = nullptr;
+    bool canDoMrt = false;
+
+    QRhiBuffer *half_quad_vbuf = nullptr;
+    QRhiBuffer *half_quad_ibuf = nullptr;
+
+    QRhiBuffer *oneface_ubuf = nullptr;
+    int ubufSizePerFace;
+    QRhiTextureRenderTarget *oneface_rt[6];
+    QRhiRenderPassDescriptor *oneface_rp = nullptr;
+    QRhiShaderResourceBindings *oneface_srb = nullptr;
+    QRhiGraphicsPipeline *oneface_ps = nullptr;
+
+    QRhiBuffer *mrt_ubuf = nullptr;
+    QRhiTextureRenderTarget *mrt_rt = nullptr;
+    QRhiRenderPassDescriptor *mrt_rp = nullptr;
+    QRhiShaderResourceBindings *mrt_srb = nullptr;
+    QRhiGraphicsPipeline *mrt_ps = nullptr;
+
+    QRhiBuffer *vbuf = nullptr;
+    QRhiBuffer *ubuf = nullptr;
+    QRhiSampler *sampler = nullptr;
+    QRhiShaderResourceBindings *srb = nullptr;
+    QRhiGraphicsPipeline *ps = nullptr;
+
+    QRhiResourceUpdateBatch *initialUpdates = nullptr;
+    QMatrix4x4 winProj;
+    float rx = 0;
+} d;
+
+void initializePerFaceRendering(QRhi *rhi)
+{
+    d.cubemap1 = rhi->newTexture(QRhiTexture::RGBA8, cubemapSize, 1, QRhiTexture::CubeMap | QRhiTexture::RenderTarget);
+    d.cubemap1->create();
+    d.releasePool << d.cubemap1;
+
+    d.ubufSizePerFace = rhi->ubufAligned(64 + 12);
+    d.oneface_ubuf = rhi->newBuffer(QRhiBuffer::Dynamic, QRhiBuffer::UniformBuffer, d.ubufSizePerFace * 6);
+    d.oneface_ubuf->create();
+    d.releasePool << d.oneface_ubuf;
+
+    for (int face = 0; face < 6; ++face) {
+        QRhiColorAttachment att(d.cubemap1);
+        att.setLayer(face);
+        QRhiTextureRenderTargetDescription rtDesc(att);
+        d.oneface_rt[face] = rhi->newTextureRenderTarget(rtDesc);
+        if (face == 0) {
+            d.oneface_rp = d.oneface_rt[0]->newCompatibleRenderPassDescriptor();
+            d.releasePool << d.oneface_rp;
+        }
+        d.oneface_rt[face]->setRenderPassDescriptor(d.oneface_rp);
+        d.oneface_rt[face]->create();
+        d.releasePool << d.oneface_rt[face];
+    }
+
+    d.oneface_srb = rhi->newShaderResourceBindings();
+    const QRhiShaderResourceBinding::StageFlags visibility =
+            QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage;
+    d.oneface_srb->setBindings({
+        QRhiShaderResourceBinding::uniformBufferWithDynamicOffset(0, visibility, d.oneface_ubuf, 64 + 12)
+    });
+    d.oneface_srb->create();
+    d.releasePool << d.oneface_srb;
+
+    d.oneface_ps = rhi->newGraphicsPipeline();
+    d.oneface_ps->setShaderStages({
+        { QRhiShaderStage::Vertex, getShader(QLatin1String(":/cubemap_oneface.vert.qsb")) },
+        { QRhiShaderStage::Fragment, getShader(QLatin1String(":/cubemap_oneface.frag.qsb")) }
+    });
+    QRhiVertexInputLayout inputLayout;
+    inputLayout.setBindings({
+        { 2 * sizeof(float) }
+    });
+    inputLayout.setAttributes({
+        { 0, 0, QRhiVertexInputAttribute::Float2, 0 },
+    });
+    d.oneface_ps->setVertexInputLayout(inputLayout);
+    d.oneface_ps->setShaderResourceBindings(d.oneface_srb);
+    d.oneface_ps->setRenderPassDescriptor(d.oneface_rp);
+    d.oneface_ps->create();
+    d.releasePool << d.oneface_ps;
+
+    // wasteful to duplicate the mvp as well but will do for now
+    for (int face = 0; face < 6; ++face) {
+        const int offset = d.ubufSizePerFace * face;
+        QMatrix4x4 identity;
+        d.initialUpdates->updateDynamicBuffer(d.oneface_ubuf, offset, 64, identity.constData());
+        // will use a different color for each face
+        QColor c;
+        switch (face) {
+        case 0:
+            c = Qt::red;
+            break;
+        case 1:
+            c = Qt::green;
+            break;
+        case 2:
+            c = Qt::blue;
+            break;
+        case 3:
+            c = Qt::yellow;
+            break;
+        case 4:
+            c = Qt::lightGray;
+            break;
+        case 5:
+            c = Qt::cyan;
+            break;
+        }
+        float color[] = { float(c.redF()), float(c.greenF()), float(c.blueF()) };
+        d.initialUpdates->updateDynamicBuffer(d.oneface_ubuf, offset + 64, 12, color);
+    }
+}
+
+// 6 render passes, 1 draw call each, targeting one cubemap face at a time
+void renderPerFace(QRhiCommandBuffer *cb)
+{
+    for (int face = 0; face < 6; ++face) {
+        cb->beginPass(d.oneface_rt[face], Qt::black, { 1.0f, 0 });
+        cb->setGraphicsPipeline(d.oneface_ps);
+        cb->setViewport({ 0, 0,
+                          float(d.oneface_rt[face]->pixelSize().width()),
+                          float(d.oneface_rt[face]->pixelSize().height()) });
+        const QRhiCommandBuffer::DynamicOffset dynamicOffset(0, face * d.ubufSizePerFace);
+        cb->setShaderResources(nullptr, 1, &dynamicOffset);
+        QRhiCommandBuffer::VertexInput vbufBinding(d.half_quad_vbuf, 0);
+        cb->setVertexInput(0, 1, &vbufBinding, d.half_quad_ibuf, 0, QRhiCommandBuffer::IndexUInt16);
+        cb->drawIndexed(6);
+        cb->endPass();
+    }
+}
+
+void initializeMrtRendering(QRhi *rhi)
+{
+    d.cubemap2 = rhi->newTexture(QRhiTexture::RGBA8, cubemapSize, 1, QRhiTexture::CubeMap | QRhiTexture::RenderTarget);
+    d.cubemap2->create();
+    d.releasePool << d.cubemap2;
+
+    d.mrt_ubuf = rhi->newBuffer(QRhiBuffer::Dynamic, QRhiBuffer::UniformBuffer, 64 + 6 * 16); // note that vec3 is aligned to 16 bytes
+    d.mrt_ubuf->create();
+    d.releasePool << d.mrt_ubuf;
+
+    QVarLengthArray<QRhiColorAttachment, 6> attachments;
+    for (int face = 0; face < 6; ++face) {
+        QRhiColorAttachment att(d.cubemap2);
+        att.setLayer(face);
+        attachments.append(att);
+    }
+    QRhiTextureRenderTargetDescription rtDesc;
+    rtDesc.setColorAttachments(attachments.cbegin(), attachments.cend());
+    d.mrt_rt = rhi->newTextureRenderTarget(rtDesc);
+    d.mrt_rp = d.mrt_rt->newCompatibleRenderPassDescriptor();
+    d.releasePool << d.mrt_rp;
+    d.mrt_rt->setRenderPassDescriptor(d.mrt_rp);
+    d.mrt_rt->create();
+    d.releasePool << d.mrt_rt;
+
+    d.mrt_srb = rhi->newShaderResourceBindings();
+    const QRhiShaderResourceBinding::StageFlags visibility =
+            QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage;
+    d.mrt_srb->setBindings({
+        QRhiShaderResourceBinding::uniformBuffer(0, visibility, d.mrt_ubuf)
+    });
+    d.mrt_srb->create();
+    d.releasePool << d.mrt_srb;
+
+    d.mrt_ps = rhi->newGraphicsPipeline();
+    d.mrt_ps->setShaderStages({
+        { QRhiShaderStage::Vertex, getShader(QLatin1String(":/cubemap_mrt.vert.qsb")) },
+        { QRhiShaderStage::Fragment, getShader(QLatin1String(":/cubemap_mrt.frag.qsb")) }
+    });
+    QVarLengthArray<QRhiGraphicsPipeline::TargetBlend, 6> targetBlends;
+    for (int face = 0; face < 6; ++face)
+        targetBlends.append({}); // default to blend = false, color write = all, which is good
+    d.mrt_ps->setTargetBlends(targetBlends.cbegin(), targetBlends.cend());
+    QRhiVertexInputLayout inputLayout;
+    inputLayout.setBindings({
+        { 2 * sizeof(float) }
+    });
+    inputLayout.setAttributes({
+        { 0, 0, QRhiVertexInputAttribute::Float2, 0 },
+    });
+    d.mrt_ps->setVertexInputLayout(inputLayout);
+    d.mrt_ps->setShaderResourceBindings(d.mrt_srb);
+    d.mrt_ps->setRenderPassDescriptor(d.mrt_rp);
+    d.mrt_ps->create();
+    d.releasePool << d.mrt_ps;
+
+    QMatrix4x4 identity;
+    d.initialUpdates->updateDynamicBuffer(d.mrt_ubuf, 0, 64, identity.constData());
+    for (int face = 0; face < 6; ++face) {
+        const int offset = 64 + face * 16;
+        // will use a different color for each face
+        QColor c;
+        switch (face) {
+        case 0:
+            c = Qt::red;
+            break;
+        case 1:
+            c = Qt::green;
+            break;
+        case 2:
+            c = Qt::blue;
+            break;
+        case 3:
+            c = Qt::yellow;
+            break;
+        case 4:
+            c = Qt::lightGray;
+            break;
+        case 5:
+            c = Qt::cyan;
+            break;
+        }
+        float color[] = { float(c.redF()), float(c.greenF()), float(c.blueF()) };
+        d.initialUpdates->updateDynamicBuffer(d.mrt_ubuf, offset, 12, color);
+    }
+}
+
+// 1 render pass, 1 draw call, with all 6 faces attached and written to
+void renderWithMrt(QRhiCommandBuffer *cb)
+{
+    // use a different clear color to differentiate from cubemap1 (because the
+    // results are expected to be identical otherwise)
+    cb->beginPass(d.mrt_rt, Qt::magenta, { 1.0f, 0 });
+    cb->setGraphicsPipeline(d.mrt_ps);
+    cb->setViewport({ 0, 0,
+                      float(d.mrt_rt->pixelSize().width()),
+                      float(d.mrt_rt->pixelSize().height()) });
+    cb->setShaderResources();
+    QRhiCommandBuffer::VertexInput vbufBinding(d.half_quad_vbuf, 0);
+    cb->setVertexInput(0, 1, &vbufBinding, d.half_quad_ibuf, 0, QRhiCommandBuffer::IndexUInt16);
+    cb->drawIndexed(6);
+    cb->endPass();
+}
+
+void Window::customInit()
+{
+    d.half_quad_vbuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(halfQuadVertexData));
+    d.half_quad_vbuf->create();
+    d.releasePool << d.half_quad_vbuf;
+
+    d.half_quad_ibuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::IndexBuffer, sizeof(halfQuadIndexData));
+    d.half_quad_ibuf->create();
+    d.releasePool << d.half_quad_ibuf;
+
+    d.initialUpdates = m_r->nextResourceUpdateBatch();
+    d.initialUpdates->uploadStaticBuffer(d.half_quad_vbuf, 0, sizeof(halfQuadVertexData), halfQuadVertexData);
+    d.initialUpdates->uploadStaticBuffer(d.half_quad_ibuf, halfQuadIndexData);
+
+    initializePerFaceRendering(m_r);
+
+    d.canDoMrt = m_r->resourceLimit(QRhi::MaxColorAttachments) >= 6;
+    if (d.canDoMrt)
+        initializeMrtRendering(m_r);
+    else
+        qWarning("Not enough color attachments (need 6, supports %d)", m_r->resourceLimit(QRhi::MaxColorAttachments));
+
+
+    // onscreen stuff
+    d.vbuf = m_r->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(cube));
+    d.vbuf->create();
+    d.releasePool << d.vbuf;
+    d.initialUpdates->uploadStaticBuffer(d.vbuf, cube);
+
+    d.ubuf = m_r->newBuffer(QRhiBuffer::Dynamic, QRhiBuffer::UniformBuffer, 64);
+    d.ubuf->create();
+    d.releasePool << d.ubuf;
+
+    d.sampler = m_r->newSampler(QRhiSampler::Linear, QRhiSampler::Linear, QRhiSampler::None,
+                                QRhiSampler::Repeat, QRhiSampler::Repeat);
+    d.sampler->create();
+    d.releasePool << d.sampler;
+
+    d.srb = m_r->newShaderResourceBindings();
+    d.srb->setBindings({
+        QRhiShaderResourceBinding::uniformBuffer(0, QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage, d.ubuf),
+        QRhiShaderResourceBinding::sampledTexture(1, QRhiShaderResourceBinding::FragmentStage, d.cubemap1, d.sampler)
+    });
+    d.srb->create();
+    d.releasePool << d.srb;
+
+    d.ps = m_r->newGraphicsPipeline();
+    d.ps->setDepthTest(true);
+    d.ps->setDepthWrite(true);
+    d.ps->setDepthOp(QRhiGraphicsPipeline::LessOrEqual);
+    d.ps->setCullMode(QRhiGraphicsPipeline::Front); // we are inside the cube so cull front, not back
+    d.ps->setFrontFace(QRhiGraphicsPipeline::CCW); // front is ccw in the cube data
+    QShader vs = getShader(QLatin1String(":/cubemap_sample.vert.qsb"));
+    Q_ASSERT(vs.isValid());
+    QShader fs = getShader(QLatin1String(":/cubemap_sample.frag.qsb"));
+    Q_ASSERT(fs.isValid());
+    d.ps->setShaderStages({
+        { QRhiShaderStage::Vertex, vs },
+        { QRhiShaderStage::Fragment, fs }
+    });
+    QRhiVertexInputLayout inputLayout;
+    inputLayout.setBindings({
+        { 3 * sizeof(float) }
+    });
+    inputLayout.setAttributes({
+        { 0, 0, QRhiVertexInputAttribute::Float3, 0 }
+    });
+    d.ps->setVertexInputLayout(inputLayout);
+    d.ps->setShaderResourceBindings(d.srb);
+    d.ps->setRenderPassDescriptor(m_rp);
+    d.ps->create();
+    d.releasePool << d.ps;
+
+    if (d.canDoMrt)
+        qDebug("Use the arrow keys to switch between the two generated cubemaps");
+}
+
+void Window::customRelease()
+{
+    qDeleteAll(d.releasePool);
+    d.releasePool.clear();
+}
+
+void Window::customRender()
+{
+    const QSize outputSizeInPixels = m_sc->currentPixelSize();
+    QRhiCommandBuffer *cb = m_sc->currentFrameCommandBuffer();
+    QRhiResourceUpdateBatch *u = m_r->nextResourceUpdateBatch();
+    if (d.initialUpdates) {
+        u->merge(d.initialUpdates);
+        d.initialUpdates->release();
+        d.initialUpdates = nullptr;
+    }
+
+    QMatrix4x4 mvp = m_r->clipSpaceCorrMatrix();
+    mvp.perspective(90.0f, outputSizeInPixels.width() / (float) outputSizeInPixels.height(), 0.01f, 1000.0f);
+    mvp.scale(10);
+    mvp.rotate(d.rx, 1, 0, 0);
+    d.rx += 0.5f;
+    u->updateDynamicBuffer(d.ubuf, 0, 64, mvp.constData());
+
+    cb->resourceUpdate(u);
+
+    renderPerFace(cb);
+
+    if (d.canDoMrt)
+        renderWithMrt(cb);
+
+    cb->beginPass(m_sc->currentFrameRenderTarget(), m_clearColor, { 1.0f, 0 });
+    cb->setGraphicsPipeline(d.ps);
+    cb->setViewport(QRhiViewport(0, 0, outputSizeInPixels.width(), outputSizeInPixels.height()));
+    cb->setShaderResources();
+    const QRhiCommandBuffer::VertexInput vbufBinding(d.vbuf, 0);
+    cb->setVertexInput(0, 1, &vbufBinding);
+    cb->draw(36);
+    cb->endPass();
+}
+
+void Window::keyPressEvent(QKeyEvent *e)
+{
+    switch (e->key()) {
+    case Qt::Key_Left:
+    case Qt::Key_Up:
+        qDebug("Showing first cubemap (generated by rendering to the faces one by one; black background)");
+        d.srb->setBindings({
+            QRhiShaderResourceBinding::uniformBuffer(0, QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage, d.ubuf),
+            QRhiShaderResourceBinding::sampledTexture(1, QRhiShaderResourceBinding::FragmentStage, d.cubemap1, d.sampler)
+        });
+        d.srb->create();
+        break;
+    case Qt::Key_Right:
+    case Qt::Key_Down:
+        if (d.canDoMrt) {
+            qDebug("Showing second cubemap (generated with multiple render targets; magenta background)");
+            d.srb->setBindings({
+                QRhiShaderResourceBinding::uniformBuffer(0, QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage, d.ubuf),
+                QRhiShaderResourceBinding::sampledTexture(1, QRhiShaderResourceBinding::FragmentStage, d.cubemap2, d.sampler)
+            });
+            d.srb->create();
+        }
+        break;
+    default:
+        e->ignore();
+        break;
+    }
+}

tests/manual/rhi/cubemap_render/cubemap_render.pro

@@ -0,0 +1,8 @@
+TEMPLATE = app
+
+QT += gui-private
+
+SOURCES = \
+    cubemap_render.cpp
+
+RESOURCES = cubemap_render.qrc

tests/manual/rhi/cubemap_render/cubemap_render.qrc

@@ -0,0 +1,10 @@
+<!DOCTYPE RCC><RCC version="1.0">
+  <qresource>
+    <file>cubemap_oneface.vert.qsb</file>
+    <file>cubemap_oneface.frag.qsb</file>
+    <file>cubemap_mrt.vert.qsb</file>
+    <file>cubemap_mrt.frag.qsb</file>
+    <file>cubemap_sample.vert.qsb</file>
+    <file>cubemap_sample.frag.qsb</file>
+</qresource>
+</RCC>

tests/manual/rhi/cubemap_render/cubemap_sample.frag

@@ -0,0 +1,10 @@
+#version 440
+
+layout(location = 0) in vec3 v_coord;
+layout(location = 0) out vec4 fragColor;
+layout(binding = 1) uniform samplerCube tex;
+
+void main()
+{
+    fragColor = vec4(texture(tex, v_coord).rgb, 1.0);
+}

tests/manual/rhi/cubemap_render/cubemap_sample.vert

@@ -0,0 +1,16 @@
+#version 440
+
+layout(location = 0) in vec4 position;
+layout(location = 0) out vec3 v_coord;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+} ubuf;
+
+out gl_PerVertex { vec4 gl_Position; };
+
+void main()
+{
+    v_coord = position.xyz;
+    gl_Position = ubuf.mvp * position;
+}