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emulator opengl: initialize new colorbuffers

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Initialize new allocated color buffers with zeros.

Change-Id: I64a63c2eda83fdec1926c387e171324fb07ebe83
This commit is contained in:
Guy Zadikario
2011-06-12 15:19:30 +03:00
committed by Guy Zadickario
parent 88ad268dd9
commit 4ef1f3474e
1 changed files with 7 additions and 1 deletions
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8
tools/emulator/opengl/host/libs/libOpenglRender/ColorBuffer.cpp
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@@ -56,10 +56,16 @@ ColorBuffer *ColorBuffer::create(int p_width, int p_height,
s_gl.glGenTextures(1, &cb->m_tex); s_gl.glGenTextures(1, &cb->m_tex);
s_gl.glBindTexture(GL_TEXTURE_2D, cb->m_tex); s_gl.glBindTexture(GL_TEXTURE_2D, cb->m_tex);
int nComp = (texInternalFormat == GL_RGB ? 3 : 4);
char *zBuff = new char[nComp*p_width*p_height];
if (zBuff) {
memset(zBuff, 0, nComp*p_width*p_height);
}
s_gl.glTexImage2D(GL_TEXTURE_2D, 0, texInternalFormat, s_gl.glTexImage2D(GL_TEXTURE_2D, 0, texInternalFormat,
p_width, p_height, 0, p_width, p_height, 0,
texInternalFormat, texInternalFormat,
GL_UNSIGNED_BYTE, NULL); GL_UNSIGNED_BYTE, zBuff);
delete [] zBuff;
s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);