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GRIM/OPENGL: added few comments to glPixelStorei usage

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This commit is contained in:
Pawel Kolodziejski 2014-07-14 07:51:37 +02:00
parent 838992a41f
commit 017a67b8bc
2 changed files with 4 additions and 4 deletions
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6
engines/grim/gfx_opengl.cpp
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@ -1472,7 +1472,7 @@ void GfxOpenGL::drawDepthBitmap(int x, int y, int w, int h, char *data) {
glDepthFunc(GL_ALWAYS);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glDepthMask(GL_TRUE);
glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
glPixelStorei(GL_UNPACK_ALIGNMENT, 2); // 16 bit Z depth bitmap
glDrawPixels(w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, data);
@ -1507,7 +1507,7 @@ void GfxOpenGL::prepareMovieFrame(Graphics::Surface *frame) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, BITMAP_TEXTURE_SIZE, BITMAP_TEXTURE_SIZE, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, nullptr);
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
glPixelStorei(GL_UNPACK_ALIGNMENT, 2); // 16 bit RGB 565 bitmap
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
int curTexIdx = 0;
@ -1584,7 +1584,7 @@ void GfxOpenGL::releaseMovieFrame() {
}
void GfxOpenGL::loadEmergFont() {
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1); // 8 bit font bitmaps
_emergFont = glGenLists(128);
for (int i = 32; i < 127; i++) {