OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Add support for the poor souls on a 386 that can't afford to use full screen

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This commit is contained in:
Magnus Norddahl 2024-09-08 22:25:24 +02:00
commit b2040a0892
4 changed files with 8 additions and 1 deletions
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3
src/common/rendering/hwrenderer/data/hw_viewpointuniforms.h
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@ -20,6 +20,9 @@ struct HWViewpointUniforms
VSMatrix mNormalViewMatrix;
FVector4 mCameraPos;
FVector4 mClipLine;
int mViewOffsetX = 0;
int mViewOffsetY = 0;
float mGlobVis = 1.f;
int mPalLightLevels = 0;

2
src/rendering/hwrenderer/scene/hw_drawinfo.cpp
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@ -111,6 +111,8 @@ void HWDrawInfo::StartScene(FRenderViewpoint &parentvp, HWViewpointUniforms *uni
VPUniforms.mProjectionMatrix.loadIdentity();
VPUniforms.mViewMatrix.loadIdentity();
VPUniforms.mNormalViewMatrix.loadIdentity();
VPUniforms.mViewOffsetX = -screen->mSceneViewport.left;
VPUniforms.mViewOffsetY = -screen->mSceneViewport.top;
VPUniforms.mViewHeight = viewheight;
if (lightmode == ELightMode::Build)
{

2
wadsrc/static/shaders/scene/binding_rsbuffers.glsl
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@ -9,6 +9,8 @@ layout(set = 1, binding = 0, std140) uniform ViewpointUBO
vec4 uCameraPos;
vec4 uClipLine;
ivec2 uViewOffset;
float uGlobVis; // uGlobVis = R_GetGlobVis(r_visibility) / 32.0
int uPalLightLevels;
int uViewHeight; // Software fuzz scaling

2
wadsrc/static/shaders/scene/frag_main.glsl
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@ -28,7 +28,7 @@ void main()
#endif
#ifdef USE_DEPTHFADEFALLOFF
float behindFragmentDepth = texelFetch(LinearDepth, ivec2(gl_FragCoord.xy), 0).r;
float behindFragmentDepth = texelFetch(LinearDepth, uViewOffset + ivec2(gl_FragCoord.xy), 0).r;
material.Base.a *= clamp((behindFragmentDepth - pixelpos.w) / uDepthFadeFalloff, 0.0, 1.0);
#endif