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Draw unlit ellipsoid atmosphere using shaders

pull/3/head
Hleb Valoshka 2019-11-11 00:28:48 +03:00
parent 54031bba8c
commit 4d815ad44e
1 changed files with 7 additions and 3 deletions
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10
src/celengine/render.cpp
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@ -3758,6 +3758,10 @@ void Renderer::renderEllipsoidAtmosphere(const Atmosphere& atmosphere,
if (atmosphere.height == 0.0f)
return;
auto *prog = shaderManager->getShader(ShaderProperties::PerVertexColor);
if (prog == nullptr)
return;
glDepthMask(GL_FALSE);
// Gradually fade in the atmosphere if it's thickness on screen is just
@ -3997,6 +4001,7 @@ void Renderer::renderEllipsoidAtmosphere(const Atmosphere& atmosphere,
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(SkyVertex),
static_cast<void*>(&skyVertices[0].color));
prog->use();
for (int i = 0; i < nRings; i++)
{
glDrawElements(GL_QUAD_STRIP,
@ -4006,6 +4011,8 @@ void Renderer::renderEllipsoidAtmosphere(const Atmosphere& atmosphere,
}
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glUseProgram(0);
}
@ -4689,8 +4696,6 @@ void Renderer::renderObject(const Vector3f& pos,
{
glPushMatrix();
glLoadIdentity();
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
@ -4704,7 +4709,6 @@ void Renderer::renderObject(const Vector3f& pos,
ls,
thicknessInPixels,
lit);
glEnable(GL_TEXTURE_2D);
glPopMatrix();
}
}