diff options
Diffstat (limited to 'ui/ozone/platform/drm/gpu')
-rw-r--r-- | ui/ozone/platform/drm/gpu/gbm_buffer.cc | 37 | ||||
-rw-r--r-- | ui/ozone/platform/drm/gpu/gbm_buffer.h | 7 |
2 files changed, 44 insertions, 0 deletions
diff --git a/ui/ozone/platform/drm/gpu/gbm_buffer.cc b/ui/ozone/platform/drm/gpu/gbm_buffer.cc index 8da5e5d..c92ba44 100644 --- a/ui/ozone/platform/drm/gpu/gbm_buffer.cc +++ b/ui/ozone/platform/drm/gpu/gbm_buffer.cc @@ -11,6 +11,7 @@ #include "base/logging.h" #include "base/trace_event/trace_event.h" +#include "ui/gfx/geometry/size_conversions.h" #include "ui/ozone/platform/drm/gpu/drm_window.h" #include "ui/ozone/platform/drm/gpu/gbm_device.h" @@ -83,6 +84,14 @@ bool GbmPixmap::Initialize() { return true; } +void GbmPixmap::SetScalingCallback(const ScalingCallback& scaling_callback) { + scaling_callback_ = scaling_callback; +} + +scoped_refptr<NativePixmap> GbmPixmap::GetScaledPixmap(gfx::Size new_size) { + return scaling_callback_.Run(new_size); +} + GbmPixmap::~GbmPixmap() { if (dma_buf_ > 0) close(dma_buf_); @@ -105,9 +114,37 @@ bool GbmPixmap::ScheduleOverlayPlane(gfx::AcceleratedWidget widget, gfx::OverlayTransform plane_transform, const gfx::Rect& display_bounds, const gfx::RectF& crop_rect) { + gfx::Size required_size; + if (plane_z_order && + ShouldApplyScaling(display_bounds, crop_rect, &required_size)) { + scoped_refptr<NativePixmap> scaled_pixmap = GetScaledPixmap(required_size); + if (scaled_pixmap) { + return scaled_pixmap->ScheduleOverlayPlane( + widget, plane_z_order, plane_transform, display_bounds, crop_rect); + } else { + return false; + } + } + screen_manager_->GetWindow(widget)->QueueOverlayPlane(OverlayPlane( buffer_, plane_z_order, plane_transform, display_bounds, crop_rect)); return true; } +bool GbmPixmap::ShouldApplyScaling(const gfx::Rect& display_bounds, + const gfx::RectF& crop_rect, + gfx::Size* required_size) { + if (crop_rect.width() == 0 || crop_rect.height() == 0) { + PLOG(ERROR) << "ShouldApplyScaling passed zero scaling target."; + return false; + } + + gfx::Size pixmap_size = buffer_->GetSize(); + // If the required size is not integer-sized, round it to the next integer. + *required_size = gfx::ToCeiledSize( + gfx::SizeF(display_bounds.width() / crop_rect.width(), + display_bounds.height() / crop_rect.height())); + return pixmap_size != *required_size; +} + } // namespace ui diff --git a/ui/ozone/platform/drm/gpu/gbm_buffer.h b/ui/ozone/platform/drm/gpu/gbm_buffer.h index 3f0c5d7..4f420e7 100644 --- a/ui/ozone/platform/drm/gpu/gbm_buffer.h +++ b/ui/ozone/platform/drm/gpu/gbm_buffer.h @@ -39,6 +39,8 @@ class GbmPixmap : public NativePixmap { GbmPixmap(const scoped_refptr<GbmBuffer>& buffer, ScreenManager* screen_manager); bool Initialize(); + void SetScalingCallback(const ScalingCallback& scaling_callback) override; + scoped_refptr<NativePixmap> GetScaledPixmap(gfx::Size new_size) override; // NativePixmap: void* GetEGLClientBuffer() override; @@ -54,12 +56,17 @@ class GbmPixmap : public NativePixmap { private: ~GbmPixmap() override; + bool ShouldApplyScaling(const gfx::Rect& display_bounds, + const gfx::RectF& crop_rect, + gfx::Size* required_size); scoped_refptr<GbmBuffer> buffer_; int dma_buf_ = -1; ScreenManager* screen_manager_; // Not owned. + ScalingCallback scaling_callback_; + DISALLOW_COPY_AND_ASSIGN(GbmPixmap); }; |