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-rw-r--r--src/gui/opengl/opengl.pri1
-rw-r--r--src/gui/opengl/qopengl.h23
-rw-r--r--src/gui/opengl/qopenglextensions_p.h2
-rw-r--r--src/gui/opengl/qopenglframebufferobject.cpp37
-rw-r--r--src/gui/opengl/qopengltexture.cpp384
-rw-r--r--src/gui/opengl/qopengltexture.h12
-rw-r--r--src/gui/opengl/qopenglversionfunctions.cpp16
7 files changed, 434 insertions, 41 deletions
diff --git a/src/gui/opengl/opengl.pri b/src/gui/opengl/opengl.pri
index cadba26797..f82401c973 100644
--- a/src/gui/opengl/opengl.pri
+++ b/src/gui/opengl/opengl.pri
@@ -2,7 +2,6 @@
contains(QT_CONFIG, opengl):CONFIG += opengl
contains(QT_CONFIG, opengles2):CONFIG += opengles2
-contains(QT_CONFIG, egl):CONFIG += egl
contains(QT_CONFIG, opengl)|contains(QT_CONFIG, opengles2) {
diff --git a/src/gui/opengl/qopengl.h b/src/gui/opengl/qopengl.h
index ef5ab9aa65..09bb6adf9a 100644
--- a/src/gui/opengl/qopengl.h
+++ b/src/gui/opengl/qopengl.h
@@ -79,7 +79,28 @@
typedef void* GLeglImageOES;
# else // "uncontrolled" ES2 platforms
-# include <GLES2/gl2.h>
+
+// In "es2" builds (QT_OPENGL_ES_2) additional defines indicate if ES
+// 3.0 or higher is available. In this case include the corresponding
+// header. These are backwards compatible and it should be safe to
+// include headers on top of each other, meaning that applications can
+// include gl2.h even if gl31.h gets included here.
+
+// This compile time differentation is important inside Qt because,
+// unlike desktop GL, GLES is different when it comes to versioning
+// and extensions: Standard functions that are new in a given version
+// are always available in a version-specific header and are not
+// guaranteed to be dynamically resolvable via eglGetProcAddress (and
+// are typically not available as extensions even if they were part of
+// an extension for a previous version).
+
+# if defined(QT_OPENGL_ES_3_1)
+# include <GLES3/gl31.h>
+# elif defined(QT_OPENGL_ES_3)
+# include <GLES3/gl3.h>
+# else
+# include <GLES2/gl2.h>
+#endif
/*
Some GLES2 implementations (like the one on Harmattan) are missing the
diff --git a/src/gui/opengl/qopenglextensions_p.h b/src/gui/opengl/qopenglextensions_p.h
index 265771ce1b..065cbb0e57 100644
--- a/src/gui/opengl/qopenglextensions_p.h
+++ b/src/gui/opengl/qopenglextensions_p.h
@@ -106,8 +106,6 @@ public:
OpenGLExtensions openGLExtensions();
bool hasOpenGLExtension(QOpenGLExtensions::OpenGLExtension extension) const;
- void initializeGLExtensions();
-
GLvoid *glMapBuffer(GLenum target, GLenum access);
GLboolean glUnmapBuffer(GLenum target);
diff --git a/src/gui/opengl/qopenglframebufferobject.cpp b/src/gui/opengl/qopenglframebufferobject.cpp
index 7d91d2c497..a6feda8732 100644
--- a/src/gui/opengl/qopenglframebufferobject.cpp
+++ b/src/gui/opengl/qopenglframebufferobject.cpp
@@ -484,7 +484,6 @@ void QOpenGLFramebufferObjectPrivate::init(QOpenGLFramebufferObject *, const QSi
initAttachments(ctx, attachment);
- funcs.glBindFramebuffer(GL_FRAMEBUFFER, ctx->d_func()->current_fbo);
if (valid) {
fbo_guard = new QOpenGLSharedResourceGuard(ctx, fbo, freeFramebufferFunc);
} else {
@@ -968,8 +967,6 @@ bool QOpenGLFramebufferObject::bind()
d->valid = d->checkFramebufferStatus(current);
else
d->initTexture(d->format.textureTarget(), d->format.internalTextureFormat(), d->size, d->format.mipmap());
- if (d->valid && current)
- current->d_func()->current_fbo = d->fbo();
return d->valid;
}
@@ -997,10 +994,8 @@ bool QOpenGLFramebufferObject::release()
qWarning("QOpenGLFramebufferObject::release() called from incompatible context");
#endif
- if (current) {
- current->d_func()->current_fbo = current->defaultFramebufferObject();
- d->funcs.glBindFramebuffer(GL_FRAMEBUFFER, current->d_func()->current_fbo);
- }
+ if (current)
+ d->funcs.glBindFramebuffer(GL_FRAMEBUFFER, current->defaultFramebufferObject());
return true;
}
@@ -1047,7 +1042,7 @@ GLuint QOpenGLFramebufferObject::takeTexture()
GLuint id = 0;
if (isValid() && d->texture_guard) {
QOpenGLContext *current = QOpenGLContext::currentContext();
- if (current && current->shareGroup() == d->fbo_guard->group() && current->d_func()->current_fbo == d->fbo())
+ if (current && current->shareGroup() == d->fbo_guard->group() && isBound())
release();
id = d->texture_guard->id();
// Do not call free() on texture_guard, just null it out.
@@ -1163,16 +1158,13 @@ QImage QOpenGLFramebufferObject::toImage() const
bool QOpenGLFramebufferObject::bindDefault()
{
QOpenGLContext *ctx = const_cast<QOpenGLContext *>(QOpenGLContext::currentContext());
- QOpenGLFunctions functions(ctx);
- if (ctx) {
- ctx->d_func()->current_fbo = ctx->defaultFramebufferObject();
- functions.glBindFramebuffer(GL_FRAMEBUFFER, ctx->d_func()->current_fbo);
+ if (ctx)
+ ctx->functions()->glBindFramebuffer(GL_FRAMEBUFFER, ctx->defaultFramebufferObject());
#ifdef QT_DEBUG
- } else {
+ else
qWarning("QOpenGLFramebufferObject::bindDefault() called without current context.");
#endif
- }
return ctx != 0;
}
@@ -1185,7 +1177,7 @@ bool QOpenGLFramebufferObject::bindDefault()
*/
bool QOpenGLFramebufferObject::hasOpenGLFramebufferObjects()
{
- return QOpenGLFunctions(QOpenGLContext::currentContext()).hasOpenGLFeature(QOpenGLFunctions::Framebuffers);
+ return QOpenGLContext::currentContext()->functions()->hasOpenGLFeature(QOpenGLFunctions::Framebuffers);
}
/*!
@@ -1236,20 +1228,21 @@ void QOpenGLFramebufferObject::setAttachment(QOpenGLFramebufferObject::Attachmen
#endif
d->funcs.glBindFramebuffer(GL_FRAMEBUFFER, d->fbo());
d->initAttachments(current, attachment);
- if (current->d_func()->current_fbo != d->fbo())
- d->funcs.glBindFramebuffer(GL_FRAMEBUFFER, current->d_func()->current_fbo);
}
/*!
- Returns \c true if the framebuffer object is currently bound to a context,
+ Returns \c true if the framebuffer object is currently bound to the current context,
otherwise false is returned.
*/
-
bool QOpenGLFramebufferObject::isBound() const
{
Q_D(const QOpenGLFramebufferObject);
- QOpenGLContext *current = QOpenGLContext::currentContext();
- return current ? current->d_func()->current_fbo == d->fbo() : false;
+ QOpenGLContext *ctx = QOpenGLContext::currentContext();
+ if (!ctx)
+ return false;
+ GLint fbo = 0;
+ ctx->functions()->glGetIntegerv(GL_FRAMEBUFFER_BINDING, &fbo);
+ return GLuint(fbo) == d->fbo();
}
/*!
@@ -1355,8 +1348,6 @@ void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target,
extensions.glBlitFramebuffer(sx0, sy0, sx1, sy1,
tx0, ty0, tx1, ty1,
buffers, filter);
-
- extensions.glBindFramebuffer(GL_FRAMEBUFFER, ctx->d_func()->current_fbo);
}
QT_END_NAMESPACE
diff --git a/src/gui/opengl/qopengltexture.cpp b/src/gui/opengl/qopengltexture.cpp
index 6e2e72a3b4..b64956c65c 100644
--- a/src/gui/opengl/qopengltexture.cpp
+++ b/src/gui/opengl/qopengltexture.cpp
@@ -67,7 +67,7 @@ QOpenGLTexturePrivate::QOpenGLTexturePrivate(QOpenGLTexture::Target textureTarge
mipLevels(-1),
layers(1),
faces(1),
- samples(1),
+ samples(0),
fixedSamplePositions(true),
baseLevel(0),
maxLevel(1000),
@@ -200,7 +200,7 @@ void QOpenGLTexturePrivate::destroy()
mipLevels = -1;
layers = 1;
faces = 1;
- samples = 1;
+ samples = 0;
fixedSamplePositions = true,
baseLevel = 0;
maxLevel = 1000;
@@ -314,8 +314,239 @@ void QOpenGLTexturePrivate::allocateStorage()
allocateMutableStorage();
}
+static QOpenGLTexture::PixelFormat pixelFormatCompatibleWithInternalFormat(QOpenGLTexture::TextureFormat internalFormat)
+{
+ switch (internalFormat) {
+ case QOpenGLTexture::NoFormat:
+ return QOpenGLTexture::NoSourceFormat;
+
+ case QOpenGLTexture::R8_UNorm:
+ case QOpenGLTexture::RG8_UNorm:
+ case QOpenGLTexture::RGB8_UNorm:
+ case QOpenGLTexture::RGBA8_UNorm:
+ case QOpenGLTexture::R16_UNorm:
+ case QOpenGLTexture::RG16_UNorm:
+ case QOpenGLTexture::RGB16_UNorm:
+ case QOpenGLTexture::RGBA16_UNorm:
+ case QOpenGLTexture::R8_SNorm:
+ case QOpenGLTexture::RG8_SNorm:
+ case QOpenGLTexture::RGB8_SNorm:
+ case QOpenGLTexture::RGBA8_SNorm:
+ case QOpenGLTexture::R16_SNorm:
+ case QOpenGLTexture::RG16_SNorm:
+ case QOpenGLTexture::RGB16_SNorm:
+ case QOpenGLTexture::RGBA16_SNorm:
+ case QOpenGLTexture::R8U:
+ case QOpenGLTexture::RG8U:
+ case QOpenGLTexture::RGB8U:
+ case QOpenGLTexture::RGBA8U:
+ case QOpenGLTexture::R16U:
+ case QOpenGLTexture::RG16U:
+ case QOpenGLTexture::RGB16U:
+ case QOpenGLTexture::RGBA16U:
+ case QOpenGLTexture::R32U:
+ case QOpenGLTexture::RG32U:
+ case QOpenGLTexture::RGB32U:
+ case QOpenGLTexture::RGBA32U:
+ case QOpenGLTexture::R8I:
+ case QOpenGLTexture::RG8I:
+ case QOpenGLTexture::RGB8I:
+ case QOpenGLTexture::RGBA8I:
+ case QOpenGLTexture::R16I:
+ case QOpenGLTexture::RG16I:
+ case QOpenGLTexture::RGB16I:
+ case QOpenGLTexture::RGBA16I:
+ case QOpenGLTexture::R32I:
+ case QOpenGLTexture::RG32I:
+ case QOpenGLTexture::RGB32I:
+ case QOpenGLTexture::RGBA32I:
+ case QOpenGLTexture::R16F:
+ case QOpenGLTexture::RG16F:
+ case QOpenGLTexture::RGB16F:
+ case QOpenGLTexture::RGBA16F:
+ case QOpenGLTexture::R32F:
+ case QOpenGLTexture::RG32F:
+ case QOpenGLTexture::RGB32F:
+ case QOpenGLTexture::RGBA32F:
+ case QOpenGLTexture::RGB9E5:
+ case QOpenGLTexture::RG11B10F:
+ case QOpenGLTexture::RG3B2:
+ case QOpenGLTexture::R5G6B5:
+ case QOpenGLTexture::RGB5A1:
+ case QOpenGLTexture::RGBA4:
+ case QOpenGLTexture::RGB10A2:
+ return QOpenGLTexture::RGBA;
+
+ case QOpenGLTexture::D16:
+ case QOpenGLTexture::D24:
+ case QOpenGLTexture::D32:
+ case QOpenGLTexture::D32F:
+ return QOpenGLTexture::Depth;
+
+ case QOpenGLTexture::D24S8:
+ case QOpenGLTexture::D32FS8X24:
+ return QOpenGLTexture::DepthStencil;
+
+ case QOpenGLTexture::S8:
+ return QOpenGLTexture::Stencil;
+
+ case QOpenGLTexture::RGB_DXT1:
+ case QOpenGLTexture::RGBA_DXT1:
+ case QOpenGLTexture::RGBA_DXT3:
+ case QOpenGLTexture::RGBA_DXT5:
+ case QOpenGLTexture::R_ATI1N_UNorm:
+ case QOpenGLTexture::R_ATI1N_SNorm:
+ case QOpenGLTexture::RG_ATI2N_UNorm:
+ case QOpenGLTexture::RG_ATI2N_SNorm:
+ case QOpenGLTexture::RGB_BP_UNSIGNED_FLOAT:
+ case QOpenGLTexture::RGB_BP_SIGNED_FLOAT:
+ case QOpenGLTexture::RGB_BP_UNorm:
+ case QOpenGLTexture::SRGB8:
+ case QOpenGLTexture::SRGB8_Alpha8:
+ case QOpenGLTexture::SRGB_DXT1:
+ case QOpenGLTexture::SRGB_Alpha_DXT1:
+ case QOpenGLTexture::SRGB_Alpha_DXT3:
+ case QOpenGLTexture::SRGB_Alpha_DXT5:
+ case QOpenGLTexture::SRGB_BP_UNorm:
+ return QOpenGLTexture::RGBA;
+
+ case QOpenGLTexture::DepthFormat:
+ return QOpenGLTexture::Depth;
+
+ case QOpenGLTexture::AlphaFormat:
+ return QOpenGLTexture::Alpha;
+
+ case QOpenGLTexture::RGBFormat:
+ case QOpenGLTexture::RGBAFormat:
+ return QOpenGLTexture::RGBA;
+
+ case QOpenGLTexture::LuminanceFormat:
+ return QOpenGLTexture::Luminance;
+
+ case QOpenGLTexture::LuminanceAlphaFormat:
+ return QOpenGLTexture::LuminanceAlpha;
+ }
+
+ Q_UNREACHABLE();
+ return QOpenGLTexture::NoSourceFormat;
+}
+
+static QOpenGLTexture::PixelType pixelTypeCompatibleWithInternalFormat(QOpenGLTexture::TextureFormat internalFormat)
+{
+ switch (internalFormat) {
+ case QOpenGLTexture::NoFormat:
+ return QOpenGLTexture::NoPixelType;
+
+ case QOpenGLTexture::R8_UNorm:
+ case QOpenGLTexture::RG8_UNorm:
+ case QOpenGLTexture::RGB8_UNorm:
+ case QOpenGLTexture::RGBA8_UNorm:
+ case QOpenGLTexture::R16_UNorm:
+ case QOpenGLTexture::RG16_UNorm:
+ case QOpenGLTexture::RGB16_UNorm:
+ case QOpenGLTexture::RGBA16_UNorm:
+ case QOpenGLTexture::R8_SNorm:
+ case QOpenGLTexture::RG8_SNorm:
+ case QOpenGLTexture::RGB8_SNorm:
+ case QOpenGLTexture::RGBA8_SNorm:
+ case QOpenGLTexture::R16_SNorm:
+ case QOpenGLTexture::RG16_SNorm:
+ case QOpenGLTexture::RGB16_SNorm:
+ case QOpenGLTexture::RGBA16_SNorm:
+ case QOpenGLTexture::R8U:
+ case QOpenGLTexture::RG8U:
+ case QOpenGLTexture::RGB8U:
+ case QOpenGLTexture::RGBA8U:
+ case QOpenGLTexture::R16U:
+ case QOpenGLTexture::RG16U:
+ case QOpenGLTexture::RGB16U:
+ case QOpenGLTexture::RGBA16U:
+ case QOpenGLTexture::R32U:
+ case QOpenGLTexture::RG32U:
+ case QOpenGLTexture::RGB32U:
+ case QOpenGLTexture::RGBA32U:
+ case QOpenGLTexture::R8I:
+ case QOpenGLTexture::RG8I:
+ case QOpenGLTexture::RGB8I:
+ case QOpenGLTexture::RGBA8I:
+ case QOpenGLTexture::R16I:
+ case QOpenGLTexture::RG16I:
+ case QOpenGLTexture::RGB16I:
+ case QOpenGLTexture::RGBA16I:
+ case QOpenGLTexture::R32I:
+ case QOpenGLTexture::RG32I:
+ case QOpenGLTexture::RGB32I:
+ case QOpenGLTexture::RGBA32I:
+ case QOpenGLTexture::R16F:
+ case QOpenGLTexture::RG16F:
+ case QOpenGLTexture::RGB16F:
+ case QOpenGLTexture::RGBA16F:
+ case QOpenGLTexture::R32F:
+ case QOpenGLTexture::RG32F:
+ case QOpenGLTexture::RGB32F:
+ case QOpenGLTexture::RGBA32F:
+ case QOpenGLTexture::RGB9E5:
+ case QOpenGLTexture::RG11B10F:
+ case QOpenGLTexture::RG3B2:
+ case QOpenGLTexture::R5G6B5:
+ case QOpenGLTexture::RGB5A1:
+ case QOpenGLTexture::RGBA4:
+ case QOpenGLTexture::RGB10A2:
+ return QOpenGLTexture::UInt8;
+
+ case QOpenGLTexture::D16:
+ case QOpenGLTexture::D24:
+ case QOpenGLTexture::D32:
+ case QOpenGLTexture::D32F:
+ return QOpenGLTexture::UInt8;
+
+ case QOpenGLTexture::D24S8:
+ return QOpenGLTexture::UInt32_D24S8;
+
+ case QOpenGLTexture::D32FS8X24:
+ return QOpenGLTexture::Float32_D32_UInt32_S8_X24;
+
+ case QOpenGLTexture::S8:
+ return QOpenGLTexture::UInt8;
+
+ case QOpenGLTexture::RGB_DXT1:
+ case QOpenGLTexture::RGBA_DXT1:
+ case QOpenGLTexture::RGBA_DXT3:
+ case QOpenGLTexture::RGBA_DXT5:
+ case QOpenGLTexture::R_ATI1N_UNorm:
+ case QOpenGLTexture::R_ATI1N_SNorm:
+ case QOpenGLTexture::RG_ATI2N_UNorm:
+ case QOpenGLTexture::RG_ATI2N_SNorm:
+ case QOpenGLTexture::RGB_BP_UNSIGNED_FLOAT:
+ case QOpenGLTexture::RGB_BP_SIGNED_FLOAT:
+ case QOpenGLTexture::RGB_BP_UNorm:
+ case QOpenGLTexture::SRGB8:
+ case QOpenGLTexture::SRGB8_Alpha8:
+ case QOpenGLTexture::SRGB_DXT1:
+ case QOpenGLTexture::SRGB_Alpha_DXT1:
+ case QOpenGLTexture::SRGB_Alpha_DXT3:
+ case QOpenGLTexture::SRGB_Alpha_DXT5:
+ case QOpenGLTexture::SRGB_BP_UNorm:
+ return QOpenGLTexture::UInt8;
+
+ case QOpenGLTexture::DepthFormat:
+ case QOpenGLTexture::AlphaFormat:
+ case QOpenGLTexture::RGBFormat:
+ case QOpenGLTexture::RGBAFormat:
+ case QOpenGLTexture::LuminanceFormat:
+ case QOpenGLTexture::LuminanceAlphaFormat:
+ return QOpenGLTexture::UInt8;
+ }
+
+ Q_UNREACHABLE();
+ return QOpenGLTexture::NoPixelType;
+}
+
void QOpenGLTexturePrivate::allocateMutableStorage()
{
+ const QOpenGLTexture::PixelFormat pixelFormat = pixelFormatCompatibleWithInternalFormat(format);
+ const QOpenGLTexture::PixelType pixelType = pixelTypeCompatibleWithInternalFormat(format);
+
switch (target) {
case QOpenGLTexture::TargetBuffer:
// Buffer textures get their storage from an external OpenGL buffer
@@ -328,7 +559,7 @@ void QOpenGLTexturePrivate::allocateMutableStorage()
texFuncs->glTextureImage1D(textureId, target, bindingTarget, level, format,
mipLevelSize(level, dimensions[0]),
0,
- QOpenGLTexture::RGBA, QOpenGLTexture::UInt8, 0);
+ pixelFormat, pixelType, 0);
} else {
qWarning("1D textures are not supported");
return;
@@ -343,7 +574,7 @@ void QOpenGLTexturePrivate::allocateMutableStorage()
mipLevelSize(level, dimensions[0]),
layers,
0,
- QOpenGLTexture::RGBA, QOpenGLTexture::UInt8, 0);
+ pixelFormat, pixelType, 0);
} else {
qWarning("1D array textures are not supported");
return;
@@ -357,7 +588,7 @@ void QOpenGLTexturePrivate::allocateMutableStorage()
mipLevelSize(level, dimensions[0]),
mipLevelSize(level, dimensions[1]),
0,
- QOpenGLTexture::RGBA, QOpenGLTexture::UInt8, 0);
+ pixelFormat, pixelType, 0);
break;
case QOpenGLTexture::TargetCubeMap: {
@@ -377,7 +608,7 @@ void QOpenGLTexturePrivate::allocateMutableStorage()
mipLevelSize(level, dimensions[0]),
mipLevelSize(level, dimensions[1]),
0,
- QOpenGLTexture::RGBA, QOpenGLTexture::UInt8, 0);
+ pixelFormat, pixelType, 0);
}
}
break;
@@ -391,7 +622,7 @@ void QOpenGLTexturePrivate::allocateMutableStorage()
mipLevelSize(level, dimensions[1]),
layers,
0,
- QOpenGLTexture::RGBA, QOpenGLTexture::UInt8, 0);
+ pixelFormat, pixelType, 0);
} else {
qWarning("Array textures are not supported");
return;
@@ -407,7 +638,7 @@ void QOpenGLTexturePrivate::allocateMutableStorage()
mipLevelSize(level, dimensions[1]),
6 * layers,
0,
- QOpenGLTexture::RGBA, QOpenGLTexture::UInt8, 0);
+ pixelFormat, pixelType, 0);
} else {
qWarning("Cubemap Array textures are not supported");
return;
@@ -422,7 +653,7 @@ void QOpenGLTexturePrivate::allocateMutableStorage()
mipLevelSize(level, dimensions[1]),
mipLevelSize(level, dimensions[2]),
0,
- QOpenGLTexture::RGBA, QOpenGLTexture::UInt8, 0);
+ pixelFormat, pixelType, 0);
} else {
qWarning("3D textures are not supported");
return;
@@ -1289,6 +1520,7 @@ QOpenGLTexture *QOpenGLTexturePrivate::createTextureView(QOpenGLTexture::Target
\value D32 Equivalent to GL_DEPTH_COMPONENT32
\value D32F Equivalent to GL_DEPTH_COMPONENT32F
\value D32FS8X24 Equivalent to GL_DEPTH32F_STENCIL8
+ \value S8 Equivalent to GL_STENCIL_INDEX8. Introduced in Qt 5.4
\value RGB_DXT1 Equivalent to GL_COMPRESSED_RGB_S3TC_DXT1_EXT
\value RGBA_DXT1 Equivalent to GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
@@ -1348,6 +1580,7 @@ QOpenGLTexture *QOpenGLTexturePrivate::createTextureView(QOpenGLTexture::Target
\value BGR_Integer Equivalent to GL_BGR_INTEGER
\value RGBA_Integer Equivalent to GL_RGBA_INTEGER
\value BGRA_Integer Equivalent to GL_BGRA_INTEGER
+ \value Stencil Equivalent to GL_STENCIL_INDEX. Introduced in Qt 5.4
\value Depth Equivalent to GL_DEPTH_COMPONENT
\value DepthStencil Equivalent to GL_DEPTH_STENCIL
\value Alpha Equivalent to GL_ALPHA (OpenGL ES 2 only)
@@ -1382,6 +1615,8 @@ QOpenGLTexture *QOpenGLTexturePrivate::createTextureView(QOpenGLTexture::Target
\value UInt16_RGBA4_Rev Equivalent to GL_UNSIGNED_SHORT_4_4_4_4_REV
\value UInt32_RGB10A2 Equivalent to GL_UNSIGNED_INT_10_10_10_2
\value UInt32_RGB10A2_Rev Equivalent to GL_UNSIGNED_INT_2_10_10_10_REV
+ \value UInt32_D24S8 Equivalent to GL_UNSIGNED_INT_24_8. Introduced in Qt 5.4
+ \value Float32_D32_UInt32_S8_X24 Equivalent to GL_FLOAT_32_UNSIGNED_INT_24_8_REV. Introduced in Qt 5.4
*/
/*!
@@ -1483,6 +1718,17 @@ QOpenGLTexture::~QOpenGLTexture()
}
/*!
+ Returns the binding target of this texture.
+
+ \since 5.4
+*/
+QOpenGLTexture::Target QOpenGLTexture::target() const
+{
+ Q_D(const QOpenGLTexture);
+ return d->target;
+}
+
+/*!
Creates the underlying OpenGL texture object. This requires a current valid
OpenGL context. If the texture object already exists, this function does
nothing.
@@ -1820,6 +2066,7 @@ void QOpenGLTexture::setFormat(TextureFormat format)
case D32:
case D32F:
case D32FS8X24:
+ case S8:
case DepthFormat:
case AlphaFormat:
case RGBFormat:
@@ -2063,6 +2310,125 @@ int QOpenGLTexture::faces() const
}
/*!
+ Sets the number of \a samples to allocate storage for when rendering to
+ a multisample capable texture target. This function should
+ be called before storage is allocated for the texture.
+
+ For targets that do not support multisampling this function has
+ no effect.
+
+ \sa samples(), isStorageAllocated()
+*/
+void QOpenGLTexture::setSamples(int samples)
+{
+ Q_D(QOpenGLTexture);
+ d->create();
+ if (isStorageAllocated()) {
+ qWarning("Cannot set sample count on a texture that already has storage allocated.\n"
+ "To do so, destroy() the texture and then create() and setSamples()");
+ return;
+ }
+
+ switch (d->target) {
+ case QOpenGLTexture::Target2DMultisample:
+ case QOpenGLTexture::Target2DMultisampleArray:
+ d->samples = samples;
+ break;
+
+ case QOpenGLTexture::Target1D:
+ case QOpenGLTexture::Target2D:
+ case QOpenGLTexture::Target3D:
+ case QOpenGLTexture::Target1DArray:
+ case QOpenGLTexture::Target2DArray:
+ case QOpenGLTexture::TargetCubeMap:
+ case QOpenGLTexture::TargetCubeMapArray:
+ case QOpenGLTexture::TargetBuffer:
+ case QOpenGLTexture::TargetRectangle:
+
+ qWarning("Texture target does not support multisampling");
+ break;
+ }
+}
+
+/*!
+ Returns the number of multisample sample points for this texture.
+ If storage has not yet been allocated for this texture then
+ this function returns the requested number of samples.
+
+ For texture targets that do not support multisampling this
+ will return 0.
+
+ \sa setSamples(), isStorageAllocated()
+*/
+int QOpenGLTexture::samples() const
+{
+ Q_D(const QOpenGLTexture);
+ return d->samples;
+}
+
+/*!
+ Sets whether the sample positions and number of samples used with
+ a multisample capable texture target to \a fixed. If set to \c true
+ the sample positions and number of samples used are the same for
+ all texels in the image and will not depend upon the image size or
+ internal format. This function should be called before storage is allocated
+ for the texture.
+
+ For targets that do not support multisampling this function has
+ no effect.
+
+ The default value is \c true.
+
+ \sa isFixedSamplePositions(), isStorageAllocated()
+*/
+void QOpenGLTexture::setFixedSamplePositions(bool fixed)
+{
+ Q_D(QOpenGLTexture);
+ d->create();
+ if (isStorageAllocated()) {
+ qWarning("Cannot set sample positions on a texture that already has storage allocated.\n"
+ "To do so, destroy() the texture and then create() and setFixedSamplePositions()");
+ return;
+ }
+
+ switch (d->target) {
+ case QOpenGLTexture::Target2DMultisample:
+ case QOpenGLTexture::Target2DMultisampleArray:
+ d->fixedSamplePositions = fixed;
+ break;
+
+ case QOpenGLTexture::Target1D:
+ case QOpenGLTexture::Target2D:
+ case QOpenGLTexture::Target3D:
+ case QOpenGLTexture::Target1DArray:
+ case QOpenGLTexture::Target2DArray:
+ case QOpenGLTexture::TargetCubeMap:
+ case QOpenGLTexture::TargetCubeMapArray:
+ case QOpenGLTexture::TargetBuffer:
+ case QOpenGLTexture::TargetRectangle:
+
+ qWarning("Texture target does not support multisampling");
+ break;
+ }
+}
+
+/*!
+ Returns whether this texture uses a fixed pattern of multisample
+ samples. If storage has not yet been allocated for this texture then
+ this function returns the requested fixed sample position setting.
+
+ For texture targets that do not support multisampling this
+ will return \c true.
+
+ \sa setFixedSamplePositions(), isStorageAllocated()
+*/
+bool QOpenGLTexture::isFixedSamplePositions() const
+{
+ Q_D(const QOpenGLTexture);
+ return d->fixedSamplePositions;
+}
+
+/*!
Allocates server-side storage for this texture object taking
into account, the format, dimensions, mipmap levels, array
layers and cubemap faces.
diff --git a/src/gui/opengl/qopengltexture.h b/src/gui/opengl/qopengltexture.h
index 0c272456f6..ea81f1f8a4 100644
--- a/src/gui/opengl/qopengltexture.h
+++ b/src/gui/opengl/qopengltexture.h
@@ -100,6 +100,8 @@ public:
explicit QOpenGLTexture(const QImage& image, MipMapGeneration genMipMaps = GenerateMipMaps);
~QOpenGLTexture();
+ Target target() const;
+
// Creation and destruction
bool create();
void destroy();
@@ -201,6 +203,7 @@ public:
D32 = 0x81A7, // GL_DEPTH_COMPONENT32
D32F = 0x8CAC, // GL_DEPTH_COMPONENT32F
D32FS8X24 = 0x8CAD, // GL_DEPTH32F_STENCIL8
+ S8 = 0x8D48, // GL_STENCIL_INDEX8
// Compressed formats
RGB_DXT1 = 0x83F0, // GL_COMPRESSED_RGB_S3TC_DXT1_EXT
@@ -272,6 +275,10 @@ public:
void setLayers(int layers);
int layers() const;
int faces() const;
+ void setSamples(int samples);
+ int samples() const;
+ void setFixedSamplePositions(bool fixed);
+ bool isFixedSamplePositions() const;
void allocateStorage();
bool isStorageAllocated() const;
@@ -304,6 +311,7 @@ public:
BGR_Integer = 0x8D9A, // GL_BGR_INTEGER
RGBA_Integer = 0x8D99, // GL_RGBA_INTEGER
BGRA_Integer = 0x8D9B, // GL_BGRA_INTEGER
+ Stencil = 0x1901, // GL_STENCIL_INDEX
Depth = 0x1902, // GL_DEPTH_COMPONENT
DepthStencil = 0x84F9, // GL_DEPTH_STENCIL
Alpha = 0x1906, // GL_ALPHA
@@ -333,7 +341,9 @@ public:
UInt16_RGBA4 = 0x8033, // GL_UNSIGNED_SHORT_4_4_4_4
UInt16_RGBA4_Rev = 0x8365, // GL_UNSIGNED_SHORT_4_4_4_4_REV
UInt32_RGB10A2 = 0x8036, // GL_UNSIGNED_INT_10_10_10_2
- UInt32_RGB10A2_Rev = 0x8368 // GL_UNSIGNED_INT_2_10_10_10_REV
+ UInt32_RGB10A2_Rev = 0x8368, // GL_UNSIGNED_INT_2_10_10_10_REV
+ UInt32_D24S8 = 0x84FA, // GL_UNSIGNED_INT_24_8
+ Float32_D32_UInt32_S8_X24 = 0x8DAD // GL_FLOAT_32_UNSIGNED_INT_24_8_REV
};
// Pixel transfer
diff --git a/src/gui/opengl/qopenglversionfunctions.cpp b/src/gui/opengl/qopenglversionfunctions.cpp
index 5df7463e8a..010ddaf228 100644
--- a/src/gui/opengl/qopenglversionfunctions.cpp
+++ b/src/gui/opengl/qopenglversionfunctions.cpp
@@ -227,7 +227,9 @@ QOpenGLFunctions_1_0_CoreBackend::QOpenGLFunctions_1_0_CoreBackend(QOpenGLContex
{
// OpenGL 1.0 core functions
#if defined(Q_OS_WIN)
- HMODULE handle = GetModuleHandleA("opengl32.dll");
+ HMODULE handle = static_cast<HMODULE>(QOpenGLContext::openGLModuleHandle());
+ if (!handle)
+ handle = GetModuleHandleA("opengl32.dll");
Viewport = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLint , GLint , GLsizei , GLsizei )>(GetProcAddress(handle, "glViewport"));
DepthRange = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLdouble , GLdouble )>(GetProcAddress(handle, "glDepthRange"));
IsEnabled = reinterpret_cast<GLboolean (QOPENGLF_APIENTRYP)(GLenum )>(GetProcAddress(handle, "glIsEnabled"));
@@ -339,7 +341,9 @@ QOpenGLFunctions_1_1_CoreBackend::QOpenGLFunctions_1_1_CoreBackend(QOpenGLContex
{
// OpenGL 1.1 core functions
#if defined(Q_OS_WIN)
- HMODULE handle = GetModuleHandleA("opengl32.dll");
+ HMODULE handle = static_cast<HMODULE>(QOpenGLContext::openGLModuleHandle());
+ if (!handle)
+ handle = GetModuleHandleA("opengl32.dll");
Indexubv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(const GLubyte *)>(GetProcAddress(handle, "glIndexubv"));
Indexub = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLubyte )>(GetProcAddress(handle, "glIndexub"));
IsTexture = reinterpret_cast<GLboolean (QOPENGLF_APIENTRYP)(GLuint )>(GetProcAddress(handle, "glIsTexture"));
@@ -991,7 +995,9 @@ QOpenGLFunctions_1_0_DeprecatedBackend::QOpenGLFunctions_1_0_DeprecatedBackend(Q
{
// OpenGL 1.0 deprecated functions
#if defined(Q_OS_WIN)
- HMODULE handle = GetModuleHandleA("opengl32.dll");
+ HMODULE handle = static_cast<HMODULE>(QOpenGLContext::openGLModuleHandle());
+ if (!handle)
+ handle = GetModuleHandleA("opengl32.dll");
Translatef = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLfloat , GLfloat , GLfloat )>(GetProcAddress(handle, "glTranslatef"));
Translated = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLdouble , GLdouble , GLdouble )>(GetProcAddress(handle, "glTranslated"));
Scalef = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLfloat , GLfloat , GLfloat )>(GetProcAddress(handle, "glScalef"));
@@ -1523,7 +1529,9 @@ QOpenGLFunctions_1_1_DeprecatedBackend::QOpenGLFunctions_1_1_DeprecatedBackend(Q
{
// OpenGL 1.1 deprecated functions
#if defined(Q_OS_WIN)
- HMODULE handle = GetModuleHandleA("opengl32.dll");
+ HMODULE handle = static_cast<HMODULE>(QOpenGLContext::openGLModuleHandle());
+ if (!handle)
+ handle = GetModuleHandleA("opengl32.dll");
PushClientAttrib = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLbitfield )>(GetProcAddress(handle, "glPushClientAttrib"));
PopClientAttrib = reinterpret_cast<void (QOPENGLF_APIENTRYP)()>(GetProcAddress(handle, "glPopClientAttrib"));
PrioritizeTextures = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *, const GLfloat *)>(GetProcAddress(handle, "glPrioritizeTextures"));