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57 Commits

Author SHA1 Message Date
Vincent Pelletier
a6af3a38a3 TINYGL: Fix vertice color when clipped and lighting is disabled 
longcurrent_color is assigned per vertex, but it is not saved on each
vertex on creation (unlike their "color" attribute, used when lighting
is enabled).
As a consequence, and because rendering happens asynchronously (rather,
following the draw call queue managed by zdirtyrect.cpp when requested
to flip current buffer), longcurrent_color at clipping time can be
different to the one at vertex declaration time, causing color artifacts.

The effect is most noticeable in EMI set shi, in the grog dispenser +
shipyard manager closeup angle, when Guybrush exits the screen by
crossing its right border: dark triangles become visible on his face.

Instead, always use the color attribute, which is already properly
initialised on vertex creation.
 2017-07-20 01:51:07 +00:00
Vincent Pelletier
bf319b5437 TINYGL: Cache and clip dirty rect on all DrawCall subclasses. 
getDirtyRegion will be called twice on each DrawCall instance, so make
repeated work as short as possible.
 2017-04-23 12:30:00 +00:00
Vincent Pelletier
a577b4c6a6 TINYGL: Free disposed textures before images. 
Reusing function already defined in zdirtyrect.cpp doing both.
 2016-07-28 01:55:48 +00:00
Vincent Pelletier
47a1e826e7 TINYGL: Free draw call lists in glClose. 2016-07-28 01:55:48 +00:00
Paweł Kołodziejski
d1be78ca49 Merge pull request #1269 from vpelletier/tinygl_optimise_light 
Tinygl: optimise gl_shade_vertex
 2016-07-20 14:39:05 +02:00
Vincent Pelletier
97dc3881e0 TINYGL: Add free_texture variant taking a GLTexture * argument. 
To avoid looking texture up in the hash table when caller has a pointer to
it already. Aka, O(0) is better than O(1).
 2016-07-18 04:34:09 +02:00
Vincent Pelletier
95cc5127e0 TINYGL: Consistently consider Texture::handle as unsigned. 
Texture handles are unsigned integers everywhere else.
 2016-07-17 15:06:30 +00:00
Vincent Pelletier
f66026a8aa TINYGL: Only do spotlight & specular computations when actually needed. 
Spotlight and specular requires normalized d.
Skip specular if the light source or the material have no specular
component.
 2016-07-16 12:17:59 +00:00
Stefano Musumeci
23385b3a4a TINYGL: Fixed compiler warnings. 2014-08-16 16:04:20 +02:00
Stefano Musumeci
974f47fa42 TINYGL: Added a way to disable or enable dirty rectangles at runtime. 2014-08-16 16:04:10 +02:00
Stefano Musumeci
e1aea3a1f3 TINYGL: Added safety checks to Linear Allocator. 2014-08-16 16:04:05 +02:00
Stefano Musumeci
2cf70d6d76 Merge branch 'master' into tinygl-dirty-rects-fixed 
Conflicts:
	graphics/tinygl/ztriangle.cpp
 2014-08-16 16:03:27 +02:00
Stefano Musumeci
a5e91722de TINYGL: moved global variable to GLContext 2014-08-13 21:03:42 +02:00
Pawel Kolodziejski
1b48414d7e TINYGL: cleanup license headers 2014-08-13 18:52:52 +02:00
Stefano Musumeci
520a866627 TINYGL: Documented linear allocator. 2014-08-09 14:36:46 +02:00
Stefano Musumeci
c27be840ea TINYGL: Added not equality operator for GLVertex and DrawCall. 2014-08-09 12:34:26 +02:00
Stefano Musumeci
35a36f7c09 TINYGL: Renamed blit images container with proper class naming convention. 2014-08-09 12:17:40 +02:00
Stefano Musumeci
bd0c813296 TINYGL: Changed blit images container from Array to List 2014-08-09 12:17:11 +02:00
Stefano Musumeci
6cd062826b TINYGL: Renamed zrect in zdirty rect 2014-08-07 17:56:01 +02:00
Stefano Musumeci
75ea6893ef TINYGL: renamed glIssueDrawCall to tglIssueDrawCall. 2014-08-07 17:38:11 +02:00
Stefano Musumeci
a0a17717be TINYGL: Added linear allocator for frames draw call data. 2014-08-06 21:50:49 +02:00
Stefano Musumeci
7eab9b375c TINYGL: Fixup formatting. 2014-08-05 20:00:36 +02:00
Stefano Musumeci
94a41de865 TINYGL: Added texture data versioning. 
This is introduced to detect changes when a texture is updated.
 2014-08-02 21:42:25 +02:00
Stefano Musumeci
ca1623517a TINYGL: Implemented equality operator for GLVertex. 2014-07-31 15:24:58 +02:00
Stefano Musumeci
7f560daf04 TINYGL: Replaced Array with List as the container for draw calls queue. 
NOTE: I also had to construct the struct GLContext properly now.
 2014-07-26 17:56:44 +02:00
Stefano Musumeci
8d498699b3 TINYGL: Encapsulated draw calls issuing inside a function. 2014-07-25 16:02:21 +02:00
Stefano Musumeci
f2bfdc672d TINYGL: Formatting style fixup. 2014-07-25 16:01:34 +02:00
Stefano Musumeci
96167b84c4 TINYGL: Removed duplicated variables. 
Explanation: those two variables were already tracked inside the class FrameBuffer and they were duplicated here, since there is no need to keep a copy of those variables I just removed them.
 2014-07-25 15:54:07 +02:00
Stefano Musumeci
2b3fd8501a TINYGL: Changed the way tinyGL textures are disposed. 2014-07-25 12:59:51 +02:00
Stefano Musumeci
4ef1b80ff6 TINYGL: Added queue information to tinyGL context. 2014-07-23 15:29:20 +02:00
Stefano Musumeci
85940f353d TINYGL: Formatting fixup. 2014-07-18 18:50:06 +02:00
Stefano Musumeci
cc6cc4abb4 TINYGL: Removed static variable. 2014-07-18 18:49:58 +02:00
Stefano Musumeci
fb65073dcd TINYGL: Addressed a few issues with blitting interface. 2014-07-18 18:49:56 +02:00
Stefano Musumeci
62aa0af91a TINYGL: Brute force blit api implementation. 2014-07-18 18:49:54 +02:00
Pawel Kolodziejski
97b03aed01 TINYGL: changed code to allow initialize TinyGL with specific internal texture dimension. 
Grim: 256x256, Myst3: 1024x1024
 2014-07-05 13:08:34 +02:00
Pawel Kolodziejski
f477946646 TINYGL: allow change internal texture size at compilation time. Now it's 1024x1024 pixels. 2014-07-05 12:13:03 +02:00
Pawel Kolodziejski
b4962f645e TINYGL: added tglAlphaTest stubs 2014-07-04 08:43:19 +02:00
Stefano Musumeci
38aa730b76 TINYGL: Implemented tglDepthMask. 2014-07-03 17:02:01 +02:00
Stefano Musumeci
ba5fa4d2b8 TINYGL: Updated makefile and changelog. 
Conflicts:
	graphics/tinygl/Changelog
 2014-07-03 13:07:32 +02:00
Stefano Musumeci
79ddb89ffe MYST3: Implemented 2D rendering correctly. 2014-07-03 12:33:05 +02:00
Stefano Musumeci
109767e513 TINYGL: Implemented alpha blending and color transformation in sprite blitting for Grim TinyGL renderer. 2014-07-02 00:09:13 +02:00
Stefano Musumeci
63fd685589 TINYGL: Implemented alpha interpolation in triangle rasterization routine. 2014-07-01 14:29:44 +02:00
Stefano Musumeci
10c25d49d4 TINYGL: Added external interface for tglBlendFunc 2014-07-01 14:25:36 +02:00
Stefano Musumeci
1a5b6272fc TINYGL: Refactored the name of FrameBuffer instance from zb to fb 2014-06-28 20:39:09 +02:00
Stefano Musumeci
b9e0b28ed9 TINYGL: Renamed ZBuffer into FrameBuffer 2014-06-28 20:39:08 +02:00
Stefano Musumeci
c1040a9cdf TINYGL: Started replacing the old classes with the new ones. 
TINYGL: Removed all the use of the old classes of Vector and Matrix.
 2014-06-27 11:28:59 +02:00
Einar Johan Trøan Sømåen
1b3753bc48 TINYGL: Remove typedef from struct-definitions. 2014-02-20 19:08:55 +01:00
Einar Johan Trøan Sømåen
698ef4a37c TINYGL: Use astyle to (semi-selectively) apply the code-formatting conventions to TinyGL. 2014-02-20 18:46:49 +01:00
Dries Harnie
6bd38b1801 TINYGL: Support ColorMask 
Note, this is just basic support, it is either all or nothing.
Disabling select channels is not possible.
 2013-07-02 00:22:59 +02:00
Andrea Corna
bd14146a78 TINYGL: Fix some memory leaks 2012-04-21 12:18:42 +02:00