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[graphics] fix ocean alpha and ocean near depth (#1236)

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* fix up some graphics bugs

* less of a hack fix
This commit is contained in:
water111
2022-03-16 21:28:02 -04:00
committed by GitHub
parent c80147119d
commit d136aec00f
4 changed files with 24 additions and 28 deletions
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game/graphics/opengl_renderer/background/background_common.cpp
+5 -5
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@@ -37,26 +37,26 @@ DoubleDraw setup_opengl_from_draw_mode(DrawMode mode, u32 tex_unit, bool mipmap)
switch (mode.get_alpha_blend()) {
case DrawMode::AlphaBlend::SRC_DST_SRC_DST:
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
break;
case DrawMode::AlphaBlend::SRC_0_SRC_DST:
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ONE, GL_ZERO);
break;
case DrawMode::AlphaBlend::SRC_0_FIX_DST:
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_ONE, GL_ONE);
glBlendFuncSeparate(GL_ONE, GL_ONE, GL_ONE, GL_ZERO);
break;
case DrawMode::AlphaBlend::SRC_DST_FIX_DST:
// Cv = (Cs - Cd) * FIX + Cd
// Cs * FIX * 0.5
// Cd * FIX * 0.5
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_CONSTANT_COLOR, GL_CONSTANT_COLOR);
glBlendFuncSeparate(GL_CONSTANT_COLOR, GL_CONSTANT_COLOR, GL_ONE, GL_ZERO);
glBlendColor(0.5, 0.5, 0.5, 0.5);
break;
case DrawMode::AlphaBlend::ZERO_SRC_SRC_DST:
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ONE, GL_ZERO);
glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
break;
default: