X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fview.cpp;h=ffcee5676d11358160f43522e33baf4f897a791b;hp=4bba59163d21554a57d9c4520ac456a9c390f194;hb=8e97d741cf713296c96b53f4ebb1615e8d443391;hpb=09fc4981be389620d3c269beacf0630de45871bb diff --git a/src/view.cpp b/src/view.cpp index 4bba591..ffcee56 100644 --- a/src/view.cpp +++ b/src/view.cpp @@ -32,6 +32,12 @@ 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 +94,7 @@ 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 +141,88 @@ 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(); + + + 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 +} - // Bind FrameBuffer for rendering, and clear it +#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 + if (m_buffer_dirty || (m_bounds_dirty && !m_use_gpu_transform)) // object bounds have changed UpdateObjBoundsVBO(); if (m_use_gpu_transform) { - GLfloat glbounds[] = {static_cast(Float(m_bounds.x)), static_cast(Float(m_bounds.y)), static_cast(Float(m_bounds.w)), static_cast(Float(m_bounds.h))}; - m_bounds_ubo.Upload(sizeof(float)*4, glbounds); + GLfloat glbounds[] = {static_cast(Float(m_bounds.x)), static_cast(Float(m_bounds.y)), static_cast(Float(m_bounds.w)), static_cast(Float(m_bounds.h)), + 0.0, 0.0, 640.0, 480.0}; + 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, 640.0f, 480.0f}; + 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 +239,7 @@ 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); @@ -187,28 +250,12 @@ 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()