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LibGL+LibSoftGPU: Implement fixed pipeline support for GL_COMBINE

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`GL_COMBINE` is basically a fixed function calculator to perform simple
arithmetics on configurable fragment sources. This patch implements a
number of texture env parameters with support for the RGBA internal
format.
This commit is contained in:
Jelle Raaijmakers 2022-09-04 16:53:23 +02:00 • committed by Linus Groh
parent 494024b70e
commit 1d36bfdac1
10 changed files with 461 additions and 58 deletions
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Userland/Libraries/LibSoftGPU/Config.h
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@ -20,6 +20,7 @@ static constexpr bool ENABLE_STATISTICS_OVERLAY = false;
static constexpr int MILLISECONDS_PER_STATISTICS_PERIOD = 500;
static constexpr int NUM_LIGHTS = 8;
static constexpr int MAX_CLIP_PLANES = 6;
static constexpr float MAX_TEXTURE_LOD_BIAS = 2.f;
static constexpr int SUBPIXEL_BITS = 6;
// See: https://www.khronos.org/opengl/wiki/Common_Mistakes#Texture_edge_color_problem