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BGE: Fix T43822 Videotexture does not use sky color for off-screen

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rendering

Make scene background color as default for render-to-texture instead of
current blue color (0, 0, 255).

It is very useful for mirrors setups.

Reviewers: moguri, ben2610, sybren, panzergame, hg1

Reviewed By: panzergame, hg1, moguri

Subscribers: mpan3

Differential Revision: https://developer.blender.org/D1287
This commit is contained in:
Jorge Bernal
2015-05-10 00:54:06 +02:00
parent 583fd3af65
commit dc95ca92ca
4 changed files with 23 additions and 4 deletions
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19
source/gameengine/VideoTexture/ImageRender.cpp
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@@ -75,8 +75,8 @@ ImageRender::ImageRender (KX_Scene *scene, KX_Camera * camera) :
m_mirrorHalfWidth(0.f),
m_mirrorHalfHeight(0.f)
{
// initialize background color
setBackground(0, 0, 255, 255);
// initialize background color to scene background color as default
setBackgroundFromScene(m_scene);
// retrieve rendering objects
m_engine = KX_GetActiveEngine();
m_rasterizer = m_engine->GetRasterizer();
@@ -100,6 +100,18 @@ void ImageRender::setBackground (int red, int green, int blue, int alpha)
m_background[3] = (alpha < 0) ? 0.f : (alpha > 255) ? 1.f : float(alpha)/255.f;
}
// set background color from scene
void ImageRender::setBackgroundFromScene (KX_Scene *scene)
{
if (scene) {
const float *background_color = scene->GetWorldInfo()->getBackColor();
setBackground((int) (background_color[0] * 255.0f), (int) (background_color[1] * 255.0f), (int) (background_color[2] * 255.0f), 255);
}
else {
setBackground(0, 0, 255, 255);
}
}
// capture image from viewport
void ImageRender::calcImage (unsigned int texId, double ts)
@@ -733,7 +745,8 @@ ImageRender::ImageRender (KX_Scene *scene, KX_GameObject *observer, KX_GameObjec
m_mirrorX = m_mirrorY.cross(m_mirrorZ);
m_render = true;
setBackground(0, 0, 255, 255);
// set mirror background color to scene background color as default
setBackgroundFromScene(m_scene);
}