#include "view.h"
#include "bufferbuilder.h"
-
+#include "screen.h"
#include "gl_core44.h"
+#ifndef CONTROLPANEL_DISABLED
+ #include "controlpanel.h"
+#endif //CONTROLPANEL_DISABLED
+
using namespace IPDF;
using namespace std;
* @param bounds - Initial bounds of the View
* @param colour - Colour to use for rendering this view. TODO: Make sure this actually works, or just remove it
*/
-View::View(Document & document, const Rect & bounds, const Colour & colour)
+View::View(Document & document, Screen & screen, const Rect & bounds, const Colour & colour)
: m_use_gpu_transform(USE_GPU_TRANSFORM), m_use_gpu_rendering(USE_GPU_RENDERING), m_bounds_dirty(true), m_buffer_dirty(true),
- m_render_dirty(true), m_document(document), m_cached_display(), m_bounds(bounds), m_colour(colour), m_bounds_ubo(),
- m_objbounds_vbo(), m_object_renderers(NUMBER_OF_OBJECT_TYPES)
+ m_render_dirty(true), m_document(document), m_screen(screen), m_cached_display(), m_bounds(bounds), m_colour(colour), m_bounds_ubo(),
+ m_objbounds_vbo(), m_object_renderers(NUMBER_OF_OBJECT_TYPES), m_cpu_rendering_pixels(NULL),
+ m_perform_shading(USE_SHADING), m_show_bezier_bounds(false), m_show_bezier_type(false),
+ m_show_fill_points(false), m_show_fill_bounds(false), m_lazy_rendering(true)
{
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
- // Ok, look, this may seem disgusting, but go look at View::PrepareRender before you murder me
- m_object_renderers[RECT_FILLED] = new RectFilledRenderer();
- m_object_renderers[RECT_OUTLINE] = new RectOutlineRenderer();
- m_object_renderers[CIRCLE_FILLED] = new CircleFilledRenderer();
+ //TODO: Don't forget to put new renderers here or things will be segfaultastic
+ if (screen.Valid())
+ {
+ m_object_renderers[RECT_FILLED] = new RectFilledRenderer();
+ m_object_renderers[RECT_OUTLINE] = new RectOutlineRenderer();
+ m_object_renderers[CIRCLE_FILLED] = new CircleFilledRenderer();
+ m_object_renderers[BEZIER] = new BezierRenderer();
+ m_object_renderers[PATH] = new PathRenderer();
+ }
+ else
+ {
+ for (int i = RECT_FILLED; i <= PATH; ++i)
+ m_object_renderers[i] = new FakeRenderer();
+ }
// To add rendering for a new type of object;
// 1. Add enum to ObjectType in ipdf.h
// 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
}
/**
{
for (unsigned i = 0; i < m_object_renderers.size(); ++i)
{
- //delete m_object_renderers[i];
+ delete m_object_renderers[i]; // delete's match new's in constructor
}
m_object_renderers.clear();
+ delete [] m_cpu_rendering_pixels;
}
/**
*/
void View::Translate(Real x, Real y)
{
+ if (!m_use_gpu_transform)
+ m_buffer_dirty = true;
+ m_bounds_dirty = true;
+ #ifdef TRANSFORM_OBJECTS_NOT_VIEW
+ m_document.TranslateObjects(-x, -y);
+ #endif
x *= m_bounds.w;
y *= m_bounds.h;
m_bounds.x += x;
m_bounds.y += y;
- Debug("View Bounds => %s", m_bounds.Str().c_str());
+ //Debug("View Bounds => %s", m_bounds.Str().c_str());
+
+
+}
+
+/**
+ * Set View bounds
+ * @param bounds - New bounds
+ */
+void View::SetBounds(const Rect & bounds)
+{
+ m_bounds.x = bounds.x;
+ m_bounds.y = bounds.y;
+ m_bounds.w = bounds.w;
+ m_bounds.h = bounds.h;
if (!m_use_gpu_transform)
m_buffer_dirty = true;
m_bounds_dirty = true;
*/
void View::ScaleAroundPoint(Real x, Real y, Real scale_amount)
{
+
+ // (x0, y0, w, h) -> (x*w - (x*w - x0)*s, y*h - (y*h - y0)*s, w*s, h*s)
// x and y are coordinates in the window
// Convert to local coords.
+ if (!m_use_gpu_transform)
+ m_buffer_dirty = true;
+ m_bounds_dirty = true;
+
+
+ #ifdef TRANSFORM_OBJECTS_NOT_VIEW
+ m_document.ScaleObjectsAboutPoint(x, y, scale_amount);
+ #endif
x *= m_bounds.w;
y *= m_bounds.h;
x += m_bounds.x;
m_bounds.y = y - top;
m_bounds.w *= scale_amount;
m_bounds.h *= scale_amount;
- Debug("View Bounds => %s", m_bounds.Str().c_str());
- if (!m_use_gpu_transform)
- m_buffer_dirty = true;
- m_bounds_dirty = true;
+ //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());
+
+
}
/**
*/
Rect View::TransformToViewCoords(const Rect& inp) const
{
+ #ifdef TRANSFORM_OBJECTS_NOT_VIEW
+ return inp;
+ #endif
Rect out;
out.x = (inp.x - m_bounds.x) / m_bounds.w;
out.y = (inp.y - m_bounds.y) / m_bounds.h;
*/
void View::Render(int width, int height)
{
+ if (!m_screen.Valid()) return;
+ glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION,42,-1, "Beginning View::Render()");
// View dimensions have changed (ie: Window was resized)
- if (width != m_cached_display.GetWidth() || height != m_cached_display.GetHeight())
+ int prev_width = m_cached_display.GetWidth();
+ int prev_height = m_cached_display.GetHeight();
+ if (width != prev_width || height != prev_height)
{
m_cached_display.Create(width, height);
m_bounds_dirty = true;
}
// View bounds have not changed; blit the FrameBuffer as it is
- if (!m_bounds_dirty)
+ if (!m_bounds_dirty && m_lazy_rendering)
{
m_cached_display.UnBind();
m_cached_display.Blit();
+ glPopDebugGroup();
return;
}
-
- // Bind FrameBuffer for rendering, and clear it
m_cached_display.Bind(); //NOTE: This is redundant; Clear already calls Bind
m_cached_display.Clear();
+#ifndef QUADTREE_DISABLED
+ if (m_bounds_dirty || !m_lazy_rendering)
+ {
+ if ( false && (m_bounds.x > 1.0 || m_bounds.x < 0.0 || m_bounds.y > 1.0 || m_bounds.y < 0.0 || m_bounds.w > 1.0 || m_bounds.h > 1.0))
+ {
+ //TODO: Generate a new parent node.
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].parent != QUADTREE_EMPTY)
+ {
+ m_bounds = TransformFromQuadChild(m_bounds, m_document.GetQuadTree().nodes[m_current_quadtree_node].child_type);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].parent;
+ }
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_TOP_LEFT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].top_left == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_TOP_LEFT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_TOP_LEFT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].top_left;
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_TOP_RIGHT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].top_right == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_TOP_RIGHT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_TOP_RIGHT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].top_right;
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_BOTTOM_LEFT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_left == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_BOTTOM_LEFT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_BOTTOM_LEFT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_left;
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_BOTTOM_RIGHT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_right == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_BOTTOM_RIGHT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_BOTTOM_RIGHT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_right;
+ }
+ }
+ m_screen.DebugFontPrintF("Current View QuadTree Node: %d (objs: %d -> %d)\n", m_current_quadtree_node, m_document.GetQuadTree().nodes[m_current_quadtree_node].object_begin,
+ m_document.GetQuadTree().nodes[m_current_quadtree_node].object_end);
+
+ Rect view_top_bounds = m_bounds;
+ QuadTreeIndex tmp = m_current_quadtree_node;
+ while (tmp != -1)
+ {
+ view_top_bounds = TransformFromQuadChild(view_top_bounds, m_document.GetQuadTree().nodes[tmp].child_type);
+ tmp = m_document.GetQuadTree().nodes[tmp].parent;
+ }
+ m_screen.DebugFontPrintF("Equivalent View Bounds: %s\n", view_top_bounds.Str().c_str());
+#endif
+
+ 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;
+ glPopDebugGroup();
+
+#ifndef CONTROLPANEL_DISABLED
+ ControlPanel::Update();
+#endif //CONTROLPANEL_DISABLED
+ //Debug("Completed Render");
+
+}
+
+#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);
+ m_bounds_dirty = true;
+ RenderRange(width, height, m_document.GetQuadTree().nodes[node].object_begin, m_document.GetQuadTree().nodes[node].object_end);
+
+ if (m_bounds.Intersects(Rect(-1,-1,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x - 1, m_bounds.y - 1, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, -1), remaining_depth - 1);
+ }
+ if (m_bounds.Intersects(Rect(-1,0,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x - 1, m_bounds.y, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, 0), remaining_depth - 1);
+ }
+ if (m_bounds.Intersects(Rect(-1,1,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x - 1, m_bounds.y + 1, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, 1), remaining_depth - 1);
+ }
+ if (m_bounds.Intersects(Rect(0,-1,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x, m_bounds.y - 1, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 0, -1), remaining_depth - 1);
+ }
+ if (m_bounds.Intersects(Rect(0,1,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x, m_bounds.y + 1, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 0, 1), remaining_depth - 1);
+ }
+ if (m_bounds.Intersects(Rect(1,-1,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x + 1, m_bounds.y - 1, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, -1), remaining_depth - 1);
+ }
+ if (m_bounds.Intersects(Rect(1,0,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x + 1, m_bounds.y, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, 0), remaining_depth - 1);
+ }
+ if (m_bounds.Intersects(Rect(1,1,1,1)))
+ {
+ m_bounds = Rect(m_bounds.x + 1, m_bounds.y + 1, m_bounds.w, m_bounds.h);
+ m_bounds_dirty = true;
+ RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, 1), remaining_depth - 1);
+ }
+ m_bounds = old_bounds;
+ m_bounds_dirty = true;
+
+#if 0
+ 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
+}
+#endif
+void View::RenderRange(int width, int height, unsigned first_obj, unsigned last_obj)
+{
+ glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 43, -1, "View::RenderRange()");
if (m_render_dirty) // document has changed
PrepareRender();
- if (m_buffer_dirty) // object bounds have changed
- UpdateObjBoundsVBO();
+ if (m_buffer_dirty || m_bounds_dirty || !m_lazy_rendering) // object bounds have changed
+ {
+ if (m_use_gpu_rendering)
+ 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);
+ #ifdef TRANSFORM_OBJECTS_NOT_VIEW
+ GLfloat glbounds[] = {0.0f, 0.0f, 1.0f, 1.0f,
+ 0.0f, 0.0f, float(width), float(height)};
+ #else
+ 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)};
+ #endif
+ 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;
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);
}
else // Rasterise on CPU then blit texture to GPU
{
+
for (unsigned i = 0; i < m_object_renderers.size(); ++i)
{
- m_object_renderers[i]->RenderUsingCPU();
+ m_object_renderers[i]->RenderUsingCPU(m_document.m_objects, *this, {m_cpu_rendering_pixels, width, height}, first_obj, last_obj);
}
}
- m_cached_display.UnBind(); // resets render target to the screen
- m_cached_display.Blit(); // blit FrameBuffer to screen
+ glPopDebugGroup();
}
-void View::UpdateObjBoundsVBO()
+void View::UpdateObjBoundsVBO(unsigned first_obj, unsigned last_obj)
{
- Debug("Called");
- m_objbounds_vbo.Invalidate();
+ //m_objbounds_vbo.Invalidate();
m_objbounds_vbo.SetType(GraphicsBuffer::BufferTypeVertex);
+ m_objbounds_vbo.SetName("Object Bounds VBO");
if (m_use_gpu_transform)
{
m_objbounds_vbo.SetUsage(GraphicsBuffer::BufferUsageStaticDraw);
}
else
{
- m_objbounds_vbo.SetUsage(GraphicsBuffer::BufferUsageDynamicDraw);
+ m_objbounds_vbo.SetUsage(GraphicsBuffer::BufferUsageDynamicCopy);
}
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.MapRange(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)
}
m_objbounds_vbo.UnMap();
- m_buffer_dirty = false;
}
/**
* Prepare the document for rendering
*/
void View::PrepareRender()
{
+ Debug("Recreate buffers with %u objects", m_document.ObjectCount());
// Prepare bounds vbo
- m_bounds_ubo.SetType(GraphicsBuffer::BufferTypeUniform);
- m_bounds_ubo.SetUsage(GraphicsBuffer::BufferUsageStreamDraw);
+ if (UsingGPURendering())
+ {
+ m_bounds_ubo.Invalidate();
+ m_bounds_ubo.SetType(GraphicsBuffer::BufferTypeUniform);
+ m_bounds_ubo.SetUsage(GraphicsBuffer::BufferUsageStreamDraw);
+ m_bounds_ubo.SetName("m_bounds_ubo: Screen bounds.");
+ }
// Instead of having each ObjectRenderer go through the whole document
// we initialise them, go through the document once adding to the appropriate Renderers
ObjectType type = m_document.m_objects.types[id];
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);
}
+
// Finish the buffers
for (unsigned i = 0; i < m_object_renderers.size(); ++i)
{
m_object_renderers[i]->FinaliseBuffers();
- }
+ }
+ if (UsingGPURendering())
+ dynamic_cast<BezierRenderer*>(m_object_renderers[BEZIER])->PrepareBezierGPUBuffer(m_document.m_objects);
m_render_dirty = false;
}
+
+void View::SaveCPUBMP(const char * filename)
+{
+ bool prev = UsingGPURendering();
+ SetGPURendering(false);
+ Render(800, 600);
+ ObjectRenderer::SaveBMP({m_cpu_rendering_pixels, 800, 600}, filename);
+ SetGPURendering(prev);
+}
+
+void View::SaveGPUBMP(const char * filename)
+{
+ bool prev = UsingGPURendering();
+ SetGPURendering(true);
+ Render(800,600);
+ m_screen.ScreenShot(filename);
+ SetGPURendering(prev);
+}