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Cubic Beziers and more SVG stuff
[ipdf/code.git]
/
src
/
view.cpp
diff --git
a/src/view.cpp
b/src/view.cpp
index
cbcdbf4
..
4bbe5f0
100644
(file)
--- a/
src/view.cpp
+++ b/
src/view.cpp
@@
-20,6
+20,8
@@
View::View(Document & document, Screen & screen, const Rect & bounds, const Colo
{
Debug("View Created - Bounds => {%s}", m_bounds.Str().c_str());
+ screen.SetView(this); // oh dear...
+
// Create ObjectRenderers - new's match delete's in View::~View
//TODO: Don't forget to put new renderers here or things will be segfaultastic
m_object_renderers[RECT_FILLED] = new RectFilledRenderer();
@@
-32,6
+34,12
@@
View::View(Document & document, Screen & screen, const Rect & bounds, const Colo
// 2. Implement class inheriting from ObjectRenderer using that type in objectrenderer.h and objectrenderer.cpp
// 3. Add it here
// 4. Profit
+
+
+#ifndef QUADTREE_DISABLED
+ m_quadtree_max_depth = 2;
+ m_current_quadtree_node = document.GetQuadTree().root_id;
+#endif
}
/**
@@
-88,7
+96,7
@@
void View::ScaleAroundPoint(Real x, Real y, Real scale_amount)
m_bounds.y = y - top;
m_bounds.w *= scale_amount;
m_bounds.h *= scale_amount;
-
Debug("View Bounds => %s"
, m_bounds.Str().c_str());
+
//Debug("Scale at {%s, %s} by %s View Bounds => %s", x.Str().c_str(), y.Str().c_str(), scale_amount.Str().c_str()
, m_bounds.Str().c_str());
if (!m_use_gpu_transform)
m_buffer_dirty = true;
m_bounds_dirty = true;
@@
-135,31
+143,89
@@
void View::Render(int width, int height)
m_cached_display.Blit();
return;
}
+ m_cached_display.Bind(); //NOTE: This is redundant; Clear already calls Bind
+ m_cached_display.Clear();
- // Bind FrameBuffer for rendering, and clear it
+ if (!m_use_gpu_rendering)
+ {
+ // Dynamically resize CPU rendering target pixels if needed
+ if (m_cpu_rendering_pixels == NULL || width*height > prev_width*prev_height)
+ {
+ delete [] m_cpu_rendering_pixels;
+ m_cpu_rendering_pixels = new uint8_t[width*height*4];
+ if (m_cpu_rendering_pixels == NULL)
+ Fatal("Could not allocate %d*%d*4 = %d bytes for cpu rendered pixels", width, height, width*height*4);
+ }
+ // Clear CPU rendering pixels
+ for (int i = 0; i < width*height*4; ++i)
+ m_cpu_rendering_pixels[i] = 255;
+ }
+#ifdef QUADTREE_DISABLED
+ RenderRange(width, height, 0, m_document.ObjectCount());
+#else
+ RenderQuadtreeNode(width, height, m_current_quadtree_node, m_quadtree_max_depth);
+#endif
+ if (!m_use_gpu_rendering)
+ {
+ m_screen.RenderPixels(0,0,width, height, m_cpu_rendering_pixels); //TODO: Make this work :(
+ // Debug for great victory (do something similar for GPU and compare?)
+ ObjectRenderer::SaveBMP({m_cpu_rendering_pixels, width, height}, "cpu_rendering_last_frame.bmp");
+ }
+ m_cached_display.UnBind(); // resets render target to the screen
+ m_cached_display.Blit(); // blit FrameBuffer to screen
+ m_buffer_dirty = false;
+}
+
+#ifndef QUADTREE_DISABLED
+void View::RenderQuadtreeNode(int width, int height, QuadTreeIndex node, int remaining_depth)
+{
+ Rect old_bounds = m_bounds;
+ if (node == QUADTREE_EMPTY) return;
+ if (!remaining_depth) return;
+ //Debug("Rendering QT node %d, (objs: %d -- %d)\n", node, m_document.GetQuadTree().nodes[node].object_begin, m_document.GetQuadTree().nodes[node].object_end);
+ RenderRange(width, height, m_document.GetQuadTree().nodes[node].object_begin, m_document.GetQuadTree().nodes[node].object_end);
+
+ m_bounds = TransformToQuadChild(old_bounds, QTC_TOP_LEFT);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].top_left, remaining_depth-1);
+ m_bounds = TransformToQuadChild(old_bounds, QTC_TOP_RIGHT);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].top_right, remaining_depth-1);
+ m_bounds = TransformToQuadChild(old_bounds, QTC_BOTTOM_LEFT);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].bottom_left, remaining_depth-1);
+ m_bounds = TransformToQuadChild(old_bounds, QTC_BOTTOM_RIGHT);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].bottom_right, remaining_depth-1);
+ m_bounds = old_bounds;
+ m_bounds_dirty = true;
+}
+#endif
+
+void View::RenderRange(int width, int height, unsigned first_obj, unsigned last_obj)
+{
if (m_render_dirty) // document has changed
PrepareRender();
if (m_buffer_dirty) // object bounds have changed
- UpdateObjBoundsVBO();
+ UpdateObjBoundsVBO(
first_obj, last_obj
);
if (m_use_gpu_transform)
{
- GLfloat glbounds[] = {static_cast<GLfloat>(Float(m_bounds.x)), static_cast<GLfloat>(Float(m_bounds.y)), static_cast<GLfloat>(Float(m_bounds.w)), static_cast<GLfloat>(Float(m_bounds.h))};
- m_bounds_ubo.Upload(sizeof(float)*4, glbounds);
+ GLfloat glbounds[] = {static_cast<GLfloat>(Float(m_bounds.x)), static_cast<GLfloat>(Float(m_bounds.y)), static_cast<GLfloat>(Float(m_bounds.w)), static_cast<GLfloat>(Float(m_bounds.h)),
+ 0.0, 0.0, static_cast<GLfloat>(width), static_cast<GLfloat>(height)};
+ m_bounds_ubo.Upload(sizeof(float)*8, glbounds);
}
else
{
- GLfloat glbounds[] = {0.0f, 0.0f, 1.0f, 1.0f};
- m_bounds_ubo.Upload(sizeof(float)*4, glbounds);
+ GLfloat glbounds[] = {0.0f, 0.0f, 1.0f, 1.0f,
+ 0.0f, 0.0f, float(width), float(height)};
+ m_bounds_ubo.Upload(sizeof(float)*8, glbounds);
}
m_bounds_dirty = false;
- m_cached_display.Bind(); //NOTE: This is redundant; Clear already calls Bind
- m_cached_display.Clear();
-
// Render using GPU
if (m_use_gpu_rendering)
@@
-176,7
+242,7
@@
void View::Render(int width, int height)
for (unsigned i = 0; i < m_object_renderers.size(); ++i)
{
- m_object_renderers[i]->RenderUsingGPU();
+ m_object_renderers[i]->RenderUsingGPU(
first_obj, last_obj
);
}
glDisableVertexAttribArray(0);
@@
-187,33
+253,17
@@
void View::Render(int width, int height)
}
else // Rasterise on CPU then blit texture to GPU
{
- // Dynamically resize CPU rendering target pixels if needed
- if (m_cpu_rendering_pixels == NULL || width*height > prev_width*prev_height)
- {
- delete [] m_cpu_rendering_pixels;
- m_cpu_rendering_pixels = new uint8_t[width*height*4];
- if (m_cpu_rendering_pixels == NULL)
- Fatal("Could not allocate %d*%d*4 = %d bytes for cpu rendered pixels", width, height, width*height*4);
- }
- // Clear CPU rendering pixels
- for (int i = 0; i < width*height*4; ++i)
- m_cpu_rendering_pixels[i] = 255;
for (unsigned i = 0; i < m_object_renderers.size(); ++i)
{
- m_object_renderers[i]->RenderUsingCPU(m_document.m_objects, *this, {m_cpu_rendering_pixels, width, height});
+ m_object_renderers[i]->RenderUsingCPU(m_document.m_objects, *this, {m_cpu_rendering_pixels, width, height}
, first_obj, last_obj
);
}
- m_screen.RenderPixels(0,0,width, height, m_cpu_rendering_pixels); //TODO: Make this work :(
- // Debug for great victory (do something similar for GPU and compare?)
- ObjectRenderer::SaveBMP({m_cpu_rendering_pixels, width, height}, "cpu_rendering_last_frame.bmp");
}
- m_cached_display.UnBind(); // resets render target to the screen
- m_cached_display.Blit(); // blit FrameBuffer to screen
}
-void View::UpdateObjBoundsVBO()
+void View::UpdateObjBoundsVBO(
unsigned first_obj, unsigned last_obj
)
{
- m_objbounds_vbo.Invalidate();
+
//
m_objbounds_vbo.Invalidate();
m_objbounds_vbo.SetType(GraphicsBuffer::BufferTypeVertex);
if (m_use_gpu_transform)
{
@@
-225,9
+275,9
@@
void View::UpdateObjBoundsVBO()
}
m_objbounds_vbo.Resize(m_document.ObjectCount()*sizeof(GPUObjBounds));
- BufferBuilder<GPUObjBounds> obj_bounds_builder(m_objbounds_vbo.Map
(
false, true, true), m_objbounds_vbo.GetSize());
+ BufferBuilder<GPUObjBounds> obj_bounds_builder(m_objbounds_vbo.Map
Range(first_obj*sizeof(GPUObjBounds), (last_obj-first_obj)*sizeof(GPUObjBounds),
false, true, true), m_objbounds_vbo.GetSize());
- for (unsigned id =
0; id < m_document.ObjectCount()
; ++id)
+ for (unsigned id =
first_obj; id < last_obj
; ++id)
{
Rect obj_bounds;
if (m_use_gpu_transform)
@@
-248,7
+298,6
@@
void View::UpdateObjBoundsVBO()
}
m_objbounds_vbo.UnMap();
- m_buffer_dirty = false;
}
/**
* Prepare the document for rendering
@@
-281,13
+330,14
@@
void View::PrepareRender()
m_object_renderers.at(type)->AddObjectToBuffers(id); // Use at() in case the document is corrupt TODO: Better error handling?
// (Also, Wow I just actually used std::vector::at())
// (Also, I just managed to make it throw an exception because I'm a moron)
- Debug("Object of type %d", type);
+
//
Debug("Object of type %d", type);
}
// Finish the buffers
for (unsigned i = 0; i < m_object_renderers.size(); ++i)
{
m_object_renderers[i]->FinaliseBuffers();
- }
+ }
+ dynamic_cast<BezierRenderer*>(m_object_renderers[BEZIER])->PrepareBezierGPUBuffer(m_document.m_objects);
m_render_dirty = false;
}
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