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WINTERMUTE: Implement setup2d (almost)

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Gunnar Birke 2020-05-19 21:29:52 +02:00 • committed by Paweł Kołodziejski
parent 8407fe0647
commit 47e3befd1b
2 changed files with 36 additions and 0 deletions
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35
engines/wintermute/base/gfx/opengl/base_render_opengl3d.cpp
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@ -127,6 +127,41 @@ void Wintermute::BaseRenderOpenGL3D::initLoop() {
}
bool Wintermute::BaseRenderOpenGL3D::setup2D(bool force) {
if (_state3D || force)
{
_state3D = false;
// some states are still missing here
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
glDisable(GL_STENCIL);
glDisable(GL_CLIP_PLANE0);
glDisable(GL_FOG);
glLightModeli(GL_LIGHT_MODEL_AMBIENT, 0);
glEnable(GL_CULL_FACE);
glCullFace(GL_CCW);
glEnable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glAlphaFunc(GL_GEQUAL, 0x00);
glPolygonMode(GL_FRONT, GL_FILL);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glActiveTexture(GL_TEXTURE0);
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
glTexEnvf(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
glTexEnvf(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_PREVIOUS);
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
glTexEnvf(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
glTexEnvf(GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_PREVIOUS);
glActiveTexture(GL_TEXTURE1);
glDisable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
}
return true;
}