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178 Commits

Author SHA1 Message Date
pionere 6d5592a201 minor cleanup of SDL_CreateRenderer 2022-02-05 10:05:25 -05:00
pionere ebdd536676 use SDL_InvalidParamError or SDL_assert instead of custom SDL_SetError 2022-01-28 20:40:19 -05:00
Sam Lantinga a29d3acc9e Updated Bresenham line drawing to match software renderer output 2022-01-09 11:12:13 -08:00
Sam Lantinga 1f32dd8edc Fixed overdraw with duplicate points, fixed not drawing single point lines 2022-01-09 06:36:18 -08:00
Sam Lantinga 3b083b9911 Fixed compile warning 2022-01-08 14:07:42 -08:00
Sam Lantinga 4ef2529bf9 More efficient calculation of render_count 2022-01-08 12:37:57 -08:00
Sam Lantinga 5346c93b62 Fixed assertion on number of points rendered 2022-01-08 12:28:43 -08:00
Sam Lantinga 4b71962031 Prevent overdraw with connected line segments 2022-01-08 12:02:30 -08:00
Sam Lantinga 09ece861d1 Added the hint SDL_HINT_RENDER_LINE_METHOD to select the line rendering method 2022-01-08 11:36:52 -08:00
Sam Lantinga c1e6079836 As an optimization, draw horizontal and vertical lines using rectangles 2022-01-08 11:09:11 -08:00
Sam Lantinga 3da7c6305a Assert that we have drawn the expected number of points 2022-01-08 11:07:03 -08:00
Sam Lantinga 9f56faeedc Added line drawing using Bresenham's line algorithm (thanks @rtrussell!) 2022-01-08 10:59:31 -08:00
Sam Lantinga fe3a33a092 Use RenderGeometry for drawing lines at all scales 2022-01-08 10:10:18 -08:00
Sam Lantinga 1694782b2a Remove redundant work when render scale is 1.0 2022-01-08 09:32:23 -08:00
Sam Lantinga 2026a78dc2 Don't flush in RenderDraw*WithRects() 
This allows these functions to be reused in the future for other primitives
 2022-01-08 09:23:58 -08:00
Ryan C. Gordon cc2013378d
render: Fixed some compiler warnings. 
Fixes #5197.
 2022-01-07 20:22:51 -05:00
Sylvain 8ea8b2e697 Use QueueDrawLine if provided, otherwise use RenderGeometry 2022-01-07 14:10:23 -08:00
Sylvain Becker c498727471
render: Use RenderGeometry to draw lines 
This patch is from @1bsyl

Fixes #5061.
 2022-01-07 16:14:28 -05:00
Sam Lantinga 120c76c84b Updated copyright for 2022 2022-01-03 09:40:21 -08:00
Sylvain 3d5fcb5da6 Fix warning 2021-12-16 09:19:53 -08:00
Sylvain 4342e6bd21 SDL_render.c: lighten the cast syntax 2021-12-16 09:19:53 -08:00
Alex Szpakowski 3a5e148b13 Renderer backends use SDL_Color instead of int for geometry colors. 2021-12-14 12:19:16 -08:00
Sylvain b7885abc44
Fixed bug #5087: SDL_RenderGeometryRaw() passes colors as int* instead of SDL_Color* 2021-12-14 10:31:55 +01:00
Sylvain 8927d73b1c
RenderGeometry: simplify casting (Thanks Daniel Gibson) 2021-12-12 09:55:23 +01:00
Sylvain 3e43d6e34b
SDL_RenderGeometry: remove some warning "dereferencing type-punned pointer might break strict-aliasing" 2021-12-11 17:19:00 +01:00
Sylvain d09f80ef18
SDL_DrawPointsF: fix error message typo 2021-12-07 11:31:57 +01:00
Sylvain 6dafc85017
SDL_DrawLines: minor simpification: 
- scale is  1.0f, don't need to multiply
- typo in error message
- remap SDL_DrawLines to SDL_DrawLinesF
 2021-12-07 10:44:12 +01:00
Sylvain a0818a63e3
Fixed bug #5071 - Float conversion warnings in SDL_render.c (see also #5003) 2021-12-07 10:07:15 +01:00
Sylvain e14d10263c Change viewport and cliprect to float version: from SDL_Rect to SDL_FRect 2021-12-02 10:01:50 +01:00
Ozkan Sezer e18be04bc6 Fixed undefined behavior in QueueCmdSetDrawColor() 
Fixes https://github.com/libsdl-org/SDL/issues/4995
Patch from Andrew Kelley
 2021-11-23 08:01:02 +03:00
Sylvain 161dd83c9a Don´t use "trunc" as var name, since it's also a function 2021-11-22 08:38:46 -08:00
Sylvain 49369142bd
Fixed bug #4625: with integer scale, viewport (as reported by SDL_RenderGetViewport) becomes -2147483648x-2147483648 
0 isn't valid scale. Min integer scale is 1.0f
 2021-11-21 17:40:48 +01:00
Sylvain 70c8d20a46
Revert previous commit a50ca98e2b (see bug #4625) 2021-11-13 15:04:19 +01:00
Sylvain a50ca98e2b
Fixed bug #4625 - SDL_RenderSetLogicalSize issues 
viewport becomes -2147483648x-2147483648 when logical_w/h is greater than window size.
division should be done with floats
 2021-11-13 14:48:36 +01:00
Sam Lantinga 6c4b4ee7a6 Don't assert on API parameters 
This causes lots of spam in test automation and it's not clear it's useful to developers. If we need this level of validation, we should add a log category for it.
 2021-11-10 09:41:43 -08:00
Eric Wasylishen 0d98793693
testwm2: Fix video modes menu hit detection when highdpi or logical size used (#4936) 
* SDLTest_CommonDrawWindowInfo: log SDL_RenderGetScale, SDL_RenderGetLogicalSize

* testwm2: fix video modes menu hit detection in High DPI cases

- also when logical size is specified, e.g.
  `--logical 640x480 --resizable --allow-highdpi`

* add function to determine logical coordinates of renderer point when given window point

* change since to the targeted milestone

* fix typo

* rename for consistency

* Change logical coordinate type to float, since we can render with floating point precision.

* add function to convert logical to window coordinates

* testwm2: use new SDL_RenderWindowToLogical

* SDL_render.c: alternate SDL_RenderWindowToLogical/SDL_RenderLogicalToWindow

Co-authored-by: John Blat <johnblat64@protonmail.com>
Co-authored-by: John Blat <47202511+johnblat64@users.noreply.github.com>
 2021-11-09 21:03:42 -08:00
Sylvain 4960cc3dcb
Fixed a few warnings 2021-10-25 16:18:40 +02:00
Sylvain b793394590
SDL_Renderer: make clear that we use render geometry for fillrect/copy/copyex when there is no specific back-end implementation (currently software, PSP, directfb) 2021-10-25 13:46:40 +02:00
Sylvain 502e9c3b45 SDL_Renderer simplifications: 
- Factorize PrepQueueCmdDraw{,DrawTexture,Solid) into one single function
- Change SDL_Texture/Renderer r,g,b,a Uint8 into an SDL_Color, so that it can be passed directly to RenderGeometry
- Don't automatically queue a SET_DRAW_COLOR cmd for RenderGeometry (and update GLES2 renderer)
 2021-10-24 22:27:56 -04:00
Sylvain 70b10c753d Use correct indices when using RenderGeometry / FillRects 2021-10-24 22:27:56 -04:00
Sylvain 16beed9aeb Less code since color is constant when done with triangles 2021-10-24 22:27:56 -04:00
Sylvain 37c39d5cb4 Use geometry to implement FillRects 2021-10-24 22:27:56 -04:00
Sylvain 76f9fb96d9 Use RenderGeometry to implement RenderCopy and RenderCopyEx at higher level 2021-10-24 22:27:56 -04:00
Sylvain 77acd44f28
DirectFB: fixed creation of palette textures 2021-10-01 22:30:51 +02:00
Ryan C. Gordon 857cc7c0c9
render: constified some local variables in SDL_AllocateRenderVertices. 2021-09-19 00:38:06 -04:00
Misa 4a9947336c `SDL_RenderSetVSync()`: Restrict `vsync` to 0 or 1 
In the future, we might want to support special swap intervals. To
prevent applications from expecting nonzero values of vsync to be the
same as "on", fail with SDL_Unsupported() if the value passed is neither
0 nor 1.
 2021-09-14 16:18:02 -07:00
Misa 4549769d7d Add `SDL_RenderSetVSync()` 
Currently, if an application wants to toggle VSync, they'd have to tear
down the renderer and recreate it. This patch fixes that by letting
applications call SDL_RenderSetVSync().

This is the same as the patch in #3673, except it applies to all
renderers (including PSP, even thought it seems that the VSync flag is
disabled for that renderer). Furthermore, the renderer flags also change
as well, which #3673 didn't do. It is also an API instead of using hint
callbacks (which could be potentially dangerous).

Closes #3673.
 2021-09-14 09:56:29 -07:00
Ryan C. Gordon d49d955d73
render: SDL_RenderGeometry should still render when hidden, in most cases. 
(otherwise render targets may fail, etc...the check is a legacy helper for
iOS apps that crash if you try to use OpenGL while in the background.)
 2021-09-08 11:44:17 -04:00
Sylvain be6bee0b5a
SW_RenderGeometry: add a redundant check to clear static analysis (see bug #4600) 2021-08-27 07:47:28 +02:00
Sylvain b17aa5d080
SW_RenderGeometry: remove a few static analysis false positives (see bug #4600) 2021-08-27 07:16:40 +02:00