OpenHarmony/third_party_mesa3d
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fixed s/w alpha bug 458411

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This commit is contained in:
Brian Paul
2001-09-10 18:53:45 +00:00
parent 9348cfc6e8
commit 30230a9cd1
1 changed files with 2 additions and 7 deletions
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9
src/mesa/drivers/osmesa/osmesa.c
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@@ -1,4 +1,4 @@
/* $Id: osmesa.c,v 1.65 2001/08/28 23:12:37 brianp Exp $ */
/* $Id: osmesa.c,v 1.66 2001/09/10 18:53:45 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -135,12 +135,10 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
GLint rind, gind, bind, aind;
GLint indexBits = 0, redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
GLboolean rgbmode;
GLboolean swalpha;
const GLuint i4 = 1;
const GLubyte *i1 = (GLubyte *) &i4;
const GLint little_endian = *i1;
swalpha = GL_FALSE;
rind = gind = bind = aind = 0;
if (format==OSMESA_COLOR_INDEX) {
indexBits = 8;
@@ -233,7 +231,6 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
gind = 1;
bind = 2;
rgbmode = GL_TRUE;
swalpha = GL_TRUE;
}
else if (format==OSMESA_BGR) {
indexBits = 0;
@@ -249,7 +246,6 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
gind = 1;
bind = 0;
rgbmode = GL_TRUE;
swalpha = GL_TRUE;
}
else if (format==OSMESA_RGB_565) {
indexBits = 0;
@@ -265,7 +261,6 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
gind = 0;
bind = 0;
rgbmode = GL_TRUE;
swalpha = GL_FALSE;
}
else {
return NULL;
@@ -312,7 +307,7 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
osmesa->gl_visual->depthBits > 0,
osmesa->gl_visual->stencilBits > 0,
osmesa->gl_visual->accumRedBits > 0,
swalpha );
GL_FALSE /* s/w alpha */ );
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );