OpenGL shadows fixed

KD-lab-Open-Source · Jun 12, 2024 · 7a0926f · 7a0926f
1 parent 7dbbe68
commit 7a0926f
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/Source/Render/sokol/SokolRenderDraw.cpp b/Source/Render/sokol/SokolRenderDraw.cpp
@@ -245,7 +245,7 @@ void cSokolRender::SetMaterialTilemap(cTileMap *TileMap) {
     activeCommand.SetTexture(2, pLightMap->GetFrameImage(0)->sg->image);
 
     TerraInterface* terra = TileMap->GetTerra();
-    activeWorldSize = Vect2f(terra->SizeX(), terra->SizeY());
+    activeWorldSize = Vect2f(1.0f / terra->SizeX(), 1.0f / terra->SizeY());
 
     if (activePipelineType != PIPELINE_TYPE_TILE_MAP) {
         FinishActiveDrawBuffer();

diff --git a/Source/Render/sokol/shaders/tile_map.glsl b/Source/Render/sokol/shaders/tile_map.glsl
@@ -23,6 +23,9 @@ void main() {
 
     float offset = 1.0f / 1024.0f;
     fs_uv0 = (un_shadow * vec4(vs_position, 1.0f) + vec4(-offset, +offset*0.5f, 0, 0)).xyz;
+#if SOKOL_GLSL
+    fs_uv0.y = 1.0f - fs_uv0.y;
+#endif
     fs_uv1 = vs_texcoord0;
     fs_uv2 = vs_position.xy * un_inv_world_size;
 }