diff options
Diffstat (limited to 'src/qtmultimediaquicktools/qsgvideonode_rgb.cpp')
| -rw-r--r-- | src/qtmultimediaquicktools/qsgvideonode_rgb.cpp | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/src/qtmultimediaquicktools/qsgvideonode_rgb.cpp b/src/qtmultimediaquicktools/qsgvideonode_rgb.cpp index fbe60c9a7..ad01a08ae 100644 --- a/src/qtmultimediaquicktools/qsgvideonode_rgb.cpp +++ b/src/qtmultimediaquicktools/qsgvideonode_rgb.cpp @@ -79,6 +79,7 @@ public: QSGVideoMaterialShader_RGB(QVideoFrame::PixelFormat pixelFormat) : QSGMaterialShader(), m_id_matrix(-1), + m_id_width(-1), m_id_rgbTexture(-1), m_id_opacity(-1), m_pixelFormat(pixelFormat) @@ -101,11 +102,12 @@ protected: virtual const char *vertexShader() const { const char *shader = "uniform highp mat4 qt_Matrix; \n" + "uniform highp float width; \n" "attribute highp vec4 qt_VertexPosition; \n" "attribute highp vec2 qt_VertexTexCoord; \n" "varying highp vec2 qt_TexCoord; \n" "void main() { \n" - " qt_TexCoord = qt_VertexTexCoord; \n" + " qt_TexCoord = qt_VertexTexCoord * vec2(width, 1);\n" " gl_Position = qt_Matrix * qt_VertexPosition; \n" "}"; return shader; @@ -146,11 +148,13 @@ protected: virtual void initialize() { m_id_matrix = program()->uniformLocation("qt_Matrix"); + m_id_width = program()->uniformLocation("width"); m_id_rgbTexture = program()->uniformLocation("rgbTexture"); m_id_opacity = program()->uniformLocation("opacity"); } int m_id_matrix; + int m_id_width; int m_id_rgbTexture; int m_id_opacity; QVideoFrame::PixelFormat m_pixelFormat; @@ -163,7 +167,8 @@ public: QSGVideoMaterial_RGB(const QVideoSurfaceFormat &format) : m_format(format), m_textureId(0), - m_opacity(1.0) + m_opacity(1.0), + m_width(1.0) { setFlag(Blending, false); } @@ -204,11 +209,25 @@ public: QMutexLocker lock(&m_frameMutex); if (m_frame.isValid()) { if (m_frame.map(QAbstractVideoBuffer::ReadOnly)) { - if (m_textureSize != m_frame.size()) { + QSize textureSize = m_frame.size(); + + int stride = m_frame.bytesPerLine(); + switch (m_frame.pixelFormat()) { + case QVideoFrame::Format_RGB565: + stride /= 2; + break; + default: + stride /= 4; + } + + m_width = qreal(m_frame.width() / stride); + textureSize.setWidth(stride); + + if (m_textureSize != textureSize) { if (!m_textureSize.isEmpty()) glDeleteTextures(1, &m_textureId); glGenTextures(1, &m_textureId); - m_textureSize = m_frame.size(); + m_textureSize = textureSize; } GLint dataType = GL_UNSIGNED_BYTE; @@ -219,12 +238,18 @@ public: dataFormat = GL_RGB; } + GLint previousAlignment; + glGetIntegerv(GL_UNPACK_ALIGNMENT, &previousAlignment); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + functions->glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, m_textureId); glTexImage2D(GL_TEXTURE_2D, 0, dataFormat, m_textureSize.width(), m_textureSize.height(), 0, dataFormat, dataType, m_frame.bits()); + glPixelStorei(GL_UNPACK_ALIGNMENT, previousAlignment); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); @@ -245,6 +270,7 @@ public: QVideoSurfaceFormat m_format; GLuint m_textureId; qreal m_opacity; + GLfloat m_width; }; @@ -276,6 +302,7 @@ void QSGVideoMaterialShader_RGB::updateState(const RenderState &state, mat->bind(); + program()->setUniformValue(m_id_width, mat->m_width); if (state.isOpacityDirty()) { mat->m_opacity = state.opacity(); mat->updateBlending(); |