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| author | Konstantin Käfer <mail@kkaefer.com> | 2014-05-21 18:34:41 +0200 |
|---|---|---|
| committer | Konstantin Käfer <mail@kkaefer.com> | 2014-05-21 18:34:41 +0200 |
| commit | 53a6992728ec2f200b67123dd212b16e5e341a80 (patch) | |
| tree | bb8e9571318f2a76fb9cddd91f12d125121eed3e /common | |
| parent | 16a79b42ca6c9aa6d631d4e2226aa5f9798d5955 (diff) | |
| download | qtlocation-mapboxgl-53a6992728ec2f200b67123dd212b16e5e341a80.tar.gz | |
fix alpha blending + add depth/stencil buffers
Diffstat (limited to 'common')
| -rw-r--r-- | common/glfw_view.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/glfw_view.cpp b/common/glfw_view.cpp index dcfaf6591e..9590cc5e78 100644 --- a/common/glfw_view.cpp +++ b/common/glfw_view.cpp @@ -261,6 +261,10 @@ void show_color_debug_image(std::string name, const char *data, size_t logical_w float x_scale = (float)fb_width / (float)width; float y_scale = (float)fb_height / (float)height; + glClear(GL_COLOR_BUFFER_BIT); + glEnable(GL_BLEND); + glBlendFunc(GL_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glPixelZoom(x_scale, -y_scale); glRasterPos2f(-1.0f, 1.0f); glDrawPixels(width, height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, data); |