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154 Commits

Author SHA1 Message Date
Martin Fouilleul 28f5af32fa [graphics] Allocate canvases and fonts from graphics subsystem's arena 2023-03-01 11:37:33 +01:00
Martin Fouilleul 6bf989564d [graphics] use a single handle arena for all graphics subsystem handles 2023-02-28 20:33:55 +01:00
Martin Fouilleul 5a19c03ad6 [canvas] removing unused old atlasing api 2023-02-28 18:47:45 +01:00
Martin Fouilleul 3615775168 [canvas] decompose image atlas API into simple rect atlas API + image atlas helpers. This avoids creating a bunch of new types/handles, and exposes the underlying image/sourceRegion so that user code can freely use these for more complex scenarios (eg drawing only a sub-region of an atlased image, or using an atlas image for arbitrary path filling) 2023-02-28 16:54:39 +01:00
Martin Fouilleul d4bceba7e9 [canvas] basic image atlas API 2023-02-28 13:16:36 +01:00
martinfouilleul 9cb4aedbc5 [canvas, gl] use pre-multiplied alpha in draw shader and when compositing batches 2023-02-27 19:50:18 +01:00
martinfouilleul ac6a5db209 [canvas, gl] Checked batching/transparency 2023-02-27 19:39:26 +01:00
Martin Fouilleul 5fa07cb462 adding image with transparency (top512.png) in resources to test transparency/overlaying 2023-02-27 19:34:54 +01:00
martinfouilleul 8f834fa1a5 [wip, canvas, gl] implementing basic image API 2023-02-27 19:25:41 +01:00
Martin Fouilleul 5e5f8ac5e7 adding image test/example 2023-02-27 15:43:41 +01:00
Martin Fouilleul 30aa6a4a48 [canvas] Put primitive's transform in the attributes struct. When rendering, set current transform at the beginning of mg_next_shape(). (This avoid using an additional prevTransform matrix to correctly setup uvTransform when mg_finalize_shape() at the beginning of mg_next_shape()) 2023-02-27 15:01:44 +01:00
Martin Fouilleul d195fb1f61 [canvas, mtl backend] Compute each layer with pre-multiplied alpha, starting from transparent color. Composite them to surface with premultiplied alpha too. 2023-02-27 14:24:59 +01:00
Martin Fouilleul 9ed630fc55 [canvas] 
- Clear final surface to clear color, and enable blending layers onto it
- Fixed Batching bug where we were writing to vertex/shape buffers while the previous batch is using them
- Fixed bug where uvTransform uses transform of next shape instead of that of shape being finalized
 2023-02-27 11:56:04 +01:00
Martin Fouilleul e66932e624 [canvas] Set command attributes to canvas->attributes by default in mg_push_command() 2023-02-25 15:35:24 +01:00
Martin Fouilleul 193afb61fd [canvas] move canvas structs decl from graphics_internal.h to graphics.c, keep only surface/canvas backend interface stuff in graphics_internal.h 2023-02-25 15:23:15 +01:00
Martin Fouilleul 074b17b743 [canvas] Set transform matrix as part of primitive and don't replay push/pop during render 2023-02-25 14:20:07 +01:00
Martin Fouilleul b24de5d969 [canvas] Allow setting image source region 2023-02-25 12:59:49 +01:00
Martin Fouilleul 50569a1427 Allow setting texture on arbitrary path fills 2023-02-24 23:06:39 +01:00
Martin Fouilleul 4333ed02b0 [canvas] remove image draw commands, replace with rect/rounded rects + image source 2023-02-24 22:59:33 +01:00
Martin Fouilleul 1b62ec568c [canvas, mtl backend] Handle image rotation 2023-02-24 20:40:16 +01:00
Martin Fouilleul bb106b717f Build user-space bounding box of shape in mg_push_vertex() _before_ transforming vertices 2023-02-24 19:20:05 +01:00
Martin Fouilleul 11c25bf001 Make transform implicit in mg_push_vertex() 2023-02-24 19:11:03 +01:00
Martin Fouilleul 5be019d166 [canvas, metal] compute uv coords in shader using uvTransformed computed in canvas backend, using shape bounding box, image dimension, source and dest regions 2023-02-24 18:50:46 +01:00
Martin Fouilleul fd4c4e7be3 [canvas] simple image API 2023-02-24 12:01:00 +01:00
Martin Fouilleul d1b71110bb - Fixed metal canvas backend's drawBatch argument order 
- Removed texturing in metal shader while we work on image API
- Started working on simple image API
 2023-02-23 18:30:47 +01:00
Martin Fouilleul 2b60db292a [wip] image api 2023-02-23 17:07:41 +01:00
martinfouilleul 1250dfd7c1 hardcode GL/GLES versions per-platform for now 2023-02-22 18:30:10 +01:00
martinfouilleul 4b9b182762 Removed todo. Track todos/dev notes/etc in external obsidian vault for now 2023-02-22 17:21:31 +01:00
martinfouilleul 0f5c93b767 [win32 build] use /DELAYLOAD option for libEGL and libGLESv2 to allow apps that don't use GLES backend to work without redistributing those unused DLLs 2023-02-21 19:02:16 +01:00
martinfouilleul 665c63c3d0 [win32 build/link] 
- Build milepost as a dynamic library
- Add import/export directives to public API symbols
- Change example build scripts accordingly
 2023-02-21 18:43:30 +01:00
Martin Fouilleul dc2961f513 updated todo 2023-02-21 17:22:18 +01:00
Martin Fouilleul 3b26c92c85 [osx build/linking] 
- Remove the need for client apps to explicitly link with all dependent libs and frameworks
- Don't require redistributing libEGL/libGLES if not used, by linking them with '-weak-l' option
- Change examples build scripts accordingly
 2023-02-21 17:09:26 +01:00
Martin Fouilleul 94373d12ae [surface] extracted common layer functionality from osx surfaces. Use layer in platform-agnostic egl surface. 2023-02-21 13:40:30 +01:00
martinfouilleul 9ea9ea7636 [surface] abstracted child window layer from win32 surfaces 2023-02-21 12:35:22 +01:00
martinfouilleul 5ac512c15e [wgl] Keep dummy window/context around for gl context creation, and don't reload wgl functions every time 2023-02-20 20:20:52 +01:00
martinfouilleul 64d7b31e5c destroy gles surfaces resources 2023-02-20 19:38:24 +01:00
martinfouilleul 2dccfa5547 [win32 surfaces] Backing win32 surfaces with child window and implementing frame/hidding control 2023-02-20 18:34:29 +01:00
Martin Fouilleul 4306d0a01c back osx surfaces by CALayer 2023-02-20 16:49:44 +01:00
Martin Fouilleul 2232b647ed reintroduced GLES backend to osx 2023-02-20 11:05:01 +01:00
martinfouilleul 9eaa125129 add GLES headers to ext 2023-02-17 18:57:01 +01:00
martinfouilleul 333d3e9f9c [gles, wip] reintroducing egl surface (for win32 at first) 2023-02-17 18:56:16 +01:00
martinfouilleul 20e425494f Use a custom GL loader to allow different versions of GL/GLES APIs to co-exist. The loader fills an api struct with GL functions pointers. 
We have a per-thread pointer to select which api struct is used, and GL functions are pound-defined to call the versions in that struct.
GL/GLES surfaces can use one of the loader function to load their api, and the prepare proc of the surface sets its api as the current one
before gl calls are issued.
 2023-02-16 19:35:01 +01:00
Martin Fouilleul 54df26232c [wip, opengl] include gl headers in generated glapi files 2023-02-16 15:16:51 +01:00
Martin Fouilleul a32e2165c7 [wip, opengl] parsing opengl xml spec to auto-generate gl/gles loader 2023-02-16 13:59:11 +01:00
martinfouilleul 80ea8db687 [surface/canvas cleanup] 
- Make build-time and runtime backend selection a bit easier
- Reorganized backend-specific files with slightly more coherent naming scheme
 2023-02-10 16:56:10 +01:00
martinfouilleul f54f639db5 properly destroying windows and fonts 2023-02-10 12:05:52 +01:00
martinfouilleul 08d3521b61 [canvas/surface cleanup] 
- properly destroy gl canvas backend
- properly destroy gl surface
 2023-02-09 18:40:42 +01:00
martinfouilleul af7cbae1fa [canvas cleanup] cleanup canvas resources on creation failure 2023-02-09 18:18:12 +01:00
martinfouilleul 35e396e4c4 [canvas cleanup] 
- Remove attributes/color arguments in functions where we don't need them anymore (since they're defined when calling mg_next_shape())
- Renamed "_with_zindex" functions with "_path" -> these function only fill a path (eg rect), but don't increment the current shape
 2023-02-09 17:02:58 +01:00
martinfouilleul 09a18419e4 [canvas] make shapeIndex implicit in calls to mg_push_vertex 2023-02-09 16:42:02 +01:00