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Alpha channel of a plane track image works fine in MCE now

This commit is contained in:
Sergey Sharybin 2013-12-06 20:08:37 +06:00
parent 75212f4677
commit 967b12060c
1 changed files with 4 additions and 2 deletions
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6
source/blender/editors/space_clip/clip_draw.c
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@ -1101,13 +1101,15 @@ static void draw_plane_marker_image(Scene *scene,
{0.0f, 1.0f}};
float perspective_matrix[3][3];
float gl_matrix[4][4];
bool transparent = false;
BKE_tracking_homography_between_two_quads(frame_corners,
plane_marker->corners,
perspective_matrix);
homogeneous_2d_to_gl_matrix(perspective_matrix, gl_matrix);
if (plane_track->image_opacity != 1.0f) {
if (plane_track->image_opacity != 1.0f || ibuf->planes == 32) {
transparent = true;
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
@ -1142,7 +1144,7 @@ static void draw_plane_marker_image(Scene *scene,
glBindTexture(GL_TEXTURE_2D, last_texid);
glDisable(GL_TEXTURE_2D);
if (plane_track->image_opacity != 1.0f) {
if (transparent) {
glDisable(GL_BLEND);
}
}