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Implement transparancy for textures.

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Bert Peters
2018-04-05 16:49:35 +02:00
parent 3e4452ca3a
commit 375833bc87
6 changed files with 21 additions and 17 deletions
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16
src/fmri/InputLayerVisualisation.cpp
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@@ -4,6 +4,8 @@
#include <opencv2/core.hpp>
#include "InputLayerVisualisation.hpp"
#include "Range.hpp"
#include "RenderingState.hpp"
#include "glutils.hpp"
using namespace fmri;
using namespace std;
@@ -81,15 +83,7 @@ void InputLayerVisualisation::render()
0, 0,
};
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
glEnable(GL_TEXTURE_2D);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
texture.bind(GL_TEXTURE_2D);
glDrawArrays(GL_QUADS, 0, 4);
glDisable(GL_TEXTURE_2D);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
float alpha = RenderingState::instance().layerAlpha();
drawImageTiles(4, vertices, texCoords, texture, alpha);
}