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13 Commits

Author SHA1 Message Date
Maciej Suminski 585aeb7f91 Moved fields containing information about currently used color, shader and transformation for vertices from VBO_ITEM to VBO_CONTAINER (OPENGL_GAL). 2013-06-19 10:50:46 +02:00
Maciej Suminski 8a89e160ed Added VBO_CONTAINER as a faster storage for vertices (OPENGL_GAL), tuned for exchanging data with GPU. 
Removed a few unnecessary variables and fields from OPENGL_GAL.
Added function GAL::ClearCache() for freeing memory used by cached items.
Fixed a few memory leaks (tesselator, PAINTER's settings & VIEW_ITEM's groups).
Changed a few functions into inlines.
 2013-06-18 16:20:29 +02:00
Maciej Suminski 03b5d6125b Removed indices storing from VBO_ITEM as they are always consecutive numbers. Removed storing pointers to VBO_ITEMs that have to be drawn - instead they are memcpied to mapped GPU memory. 
Some functions of VBO_ITEM became inline.
 2013-06-06 11:52:39 +02:00
Maciej Suminski 7858e6aa7c Changed data structure in VBO_ITEM. 2013-06-05 10:48:30 +02:00
Maciej Suminski 85a2aee79c Introducing shaders. 
Shader's parameters are stored in VBO_ITEM. Changed VBO_ITEM data structure. Added UseShader() function for selecting shader for a given VBO_ITEM.
Added one main vertex & fragment shader program to be used for with all kinds of items (type of shader is selected using attributes that are stored in VBO). Currently available shaders are: at-least-1px-width line, filled circle and stroked circle.
Removed unnecessary param (aDepthOffset) from a few functions (OPENGL_GAL::drawSemiCircle(), OPENGL_GAL::drawLineCap()). Removed function OPENGL_GAL::DrawRoundedSegment(). Changed some asserts to debug info or error log.
 2013-06-04 15:58:53 +02:00
Maciej Suminski b58cc107e6 Changed functions for adding vertices in VBO mode to make code easier to read and understand. 2013-05-16 14:47:34 +02:00
Maciej Suminski 0177590699 Faster way of caching items for OPENGL GAL. 2013-05-16 10:35:16 +02:00
Maciej Suminski 787fe28fd0 Added functionality for transformation of VBO vertices, extended functions like translate, rotate, scale using glm library. Removed D() macro, as it was not used, but in conflict with glm library. Added VBO_ITEMs for circles, semicircles. Now almost everything is drawn using VBO (besides polygons and grid). 2013-05-15 16:48:10 +02:00
Maciej Suminski 48b288cdc2 Modified SetOffset (VBO_ITEM/OpenGL GAL) function. 2013-05-14 10:41:05 +02:00
Maciej Suminski 66d257f620 Drawing tracks using PushVertices, added some comments, fixed formatting. 2013-05-14 10:38:25 +02:00
Maciej Suminski 918231795b Added possibility of adding multiple vertices to VBO_ITEM at once 2013-05-13 11:14:35 +02:00
Maciej Suminski 7b426e8103 Fixed memleak, removed excessive recaching, still there is a problem with Cairo caching 2013-05-10 16:05:40 +02:00
Maciej Suminski 56aabe20bc Introduction of VBO. Now only tracks are rendered in a very simple way. 2013-04-30 15:59:32 +02:00