Ian Curtis f9a0901e8c Fix regression ... Scroll attenuation seems to disable ambient fog. If scroll attenuation is enabled it's telling the h/w to draw the real3d spot light on fog for the scroll fog layer. This should fix a regression where the background disappears on sega rally.		2023-11-09 18:41:57 +00:00
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Legacy3D	Rewrite the renderer a bit to spit out the finished graphics from the 3d chip on separate buffers. One buffer is for opaque pixels, and 2 more for translucent pixels. Before the frame was composited on the back buffer, which meant the tilegen had to have been drawn first. This way the images are now totally independant of the tilegen chip so can be drawn as soon as the register write 0xC is written to the tilegen.	2023-10-14 20:05:00 +01:00
New3D	Fix regression	2023-11-09 18:41:57 +00:00
FBO.cpp	Emulate the entire tilegen chip in a GLSL shader. (This is now possible with opengl 3+). The tilegen drawing was emulated on the CPU, but was one of the most expensive functions in the emulator according to a profiler. On a modern GPU it's pretty much free, because a GPU is a massive SIMD monster.	2023-09-23 15:27:04 +01:00
FBO.h	Emulate the entire tilegen chip in a GLSL shader. (This is now possible with opengl 3+). The tilegen drawing was emulated on the CPU, but was one of the most expensive functions in the emulator according to a profiler. On a modern GPU it's pretty much free, because a GPU is a massive SIMD monster.	2023-09-23 15:27:04 +01:00
IRender3D.h	Smooth texture repeat makes no sense for alpha/contour textures with pixel dilate. HW seems to treat them as non smooth anyway. Also implement some line of sight stuff, used by Scud. Really need to check the threading/synchronisation of the register reads but it basically works.	2018-10-19 20:59:46 +00:00
Render2D.cpp	Emulate the entire tilegen chip in a GLSL shader. (This is now possible with opengl 3+). The tilegen drawing was emulated on the CPU, but was one of the most expensive functions in the emulator according to a profiler. On a modern GPU it's pretty much free, because a GPU is a massive SIMD monster.	2023-09-23 15:27:04 +01:00
Render2D.h	Emulate the entire tilegen chip in a GLSL shader. (This is now possible with opengl 3+). The tilegen drawing was emulated on the CPU, but was one of the most expensive functions in the emulator according to a profiler. On a modern GPU it's pretty much free, because a GPU is a massive SIMD monster.	2023-09-23 15:27:04 +01:00
Shader.cpp	fix some real errors (Model3,InputSystem), minor errors (SCSP,SDL/Main) and some performance warnings	2022-07-11 17:43:59 +02:00
Shader.h	missed 2 changed files with last commit	2022-07-11 18:27:44 +02:00
Shaders2D.h	gm_mathew - the line scroll values, the top 16bits are the even lines, the bottom 16bits are the odd lines. We had it swapped. This fixes the number below the word results in daytona, when you finish a game.	2023-10-31 23:50:19 +00:00