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14 commits

Author SHA1 Message Date
Stephan Unverwerth
4a99875582 LibGL+LibGPU+LibSoftGPU: Add virtual base class for Images 
This introduces a new device independent base class for Images in LibGPU
that also keeps track of the device from which it was created in order
to prevent assigning images across devices.
 2022-04-06 11:32:24 +02:00
Stephan Unverwerth
e7450fa940 LibGL+LibGPU+LibSoftGPU: Move SamplerConfig to LibGPU 2022-04-06 11:32:24 +02:00
Jelle Raaijmakers
ae88c642c6 LibSoftGPU: Test for 1.f equality in determining the scale factor 
We are still not doing the right thing here, but using `<=` instead of
`<` at least gets rid of artifacts in Grim Fandango.
 2022-03-27 09:19:43 -07:00
Jelle Raaijmakers
3ece3f3ed1 LibSoftGPU: Remove a lot of [ui]32x4 casts in Sampler 2022-03-08 15:32:35 +01:00
Stephan Unverwerth
8165346ae4 LibSoftGPU: Choose correct texture filter based on scale factor 
Previously the test determining whether to use texture maginifaction or
texture minification was reversed. This commit fixes the test and also
provides an early out of the sampler in case of texture magnification
since magnification does not make use of mipmaps.
 2022-03-08 00:49:31 +02:00
Stephan Unverwerth
7a19d0b4f9 LibSoftGPU: Add mipmap selection to sampler class 2022-03-03 13:50:25 +01:00
Stephan Unverwerth
6f261d0362 LibSoftGPU: Use bitwise and instead of modulus operator for POT textures 
Where possible the sampler will wrap texture coordinates using a bitwise
and instead of a modulus. This speeds up the calculation quite a bit.
 2022-01-09 16:21:13 +03:30
Stephan Unverwerth
034dc480d2 LibSoftGPU: Vectorize texture sampling and shading 2022-01-09 16:21:13 +03:30
Jelle Raaijmakers
a362a95912 LibSoftGPU: Shift U/V coordinates just once in Sampler 2022-01-04 17:48:28 +00:00
Jelle Raaijmakers
bca1b9f475 LibSoftGPU: Use AK::mix instead of manual interpolation 2022-01-04 17:48:28 +00:00
Stephan Unverwerth
fe36edf6ae LibSoftGPU: Put all constexpr config options into Config.h 2022-01-01 15:09:21 +01:00
Jesse Buhagiar
ca093f442c LibSoftGPU: Mark wrap_clamp as [[maybe_unused]] 
This was breaking the fuzzer build becaues the function is not used
if the `CLAMP_DEPRECATED_BEHAVIOR` constexpr is not `true` during
compile time.
 2021-12-27 15:08:19 +02:00
Jelle Raaijmakers
f856f49edb LibSoftGPU: Clamp to edge instead of border 
According to the Khronos FAQ on texture edge sampling, the `GL_CLAMP`
option was never implemented in hardware and as such, it was
deprecated. A lot of applications and games depend on `GL_CLAMP` not
really meaning `GL_CLAMP` but `GL_CLAMP_TO_EDGE`, so we introduce an
option to toggle this behavior at compile-time.
 2021-12-27 11:58:43 +01:00
Stephan Unverwerth
b8bb72abbe LibSoftGPU: Add device method for creating images 2021-12-24 05:10:28 -08:00