RuiwenTang
76f98008e8
gl_engine: optimize off-screen rendering
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Performing a full-screen RenderPass resolve is too expensive.
Because most composite cases only require a small area to be rendered off-screen.
To improve performance, use the bounds of the Geometry for off-screen rendering whenever possible
2024-07-04 11:44:02 +09:00
Hermet Park
af1f3cb59d
gl_engine: revise the gl portability
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- guarantee minimum gl version requirement
- removed glesv2 dependency
- corrected gl ver dependency
issue: https://github.com/thorvg/thorvg/issues/2282
2024-06-24 11:08:28 +09:00
RuiwenTang
b71d9d563a
gl_engine: Fix compile error if only has OpenGL library on MacOS
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Since GLES headers and library can not be found on MacOS,
use macros to determin if link with OpenGL library.
2024-06-23 19:34:31 +09:00
Hermet Park
0c8fe81072
gl_engine: improve the dependency check
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- dependency() works with a pkgconfig, more preferred.
- add fallback to GL library search with candididates.
2024-06-20 17:47:29 +09:00
Hermet Park
f53a331558
infra/gl_enigne: fallback use gles v2 if the system doesn't have v3.
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let's keep this for a while until our minimum requirement is clear.
2024-05-15 14:54:41 +09:00
Hermet Park
b2695a121c
gl_engine: updated GLES minimum requirement from v2 to v3
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GLES v3 was introduced many years ago;
we are now dropping support for GLES v2.
issue: https://github.com/thorvg/thorvg/issues/2269
2024-05-13 17:27:08 +09:00
Hermet Park
9f105b60c4
common: Move the list to the gl_engine side.
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Unfortunately, the usage of this list is not intuitive,
so can be confusing. Placed it only for gl.
2023-11-22 20:59:58 +09:00
RuiwenTang
6a2b34df73
gl_engine: support basic alpha composite
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* introduce a new class GlRenderPass to hold off-screen rendering result
* add basic alpha composite support with begin/end render-pass
2023-10-20 10:51:04 +09:00
RuiwenTang
453cba7ddd
gl_engine: make GlRenderTask generic with uniform block
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* Use uniform block to pack all color informations
* Move the actual gl draw call into GlRenderer::sync function, so all
data is been uploaded into GPU
* Make GlRenderTask simple and generic for direct gl draw
2023-09-21 22:24:07 +09:00
Hermet Park
24711e485c
infra: renames the source folders
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lib -> renderer
bin -> tools
utils -> common
2023-08-28 13:11:24 +09:00
