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util/blitter: allow NULL clear color

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This commit is contained in:
Marek Olšák 2010-05-23 19:00:56 +02:00
parent a650d7068a
commit fa552261ea
1 changed files with 14 additions and 5 deletions
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19
src/gallium/auxiliary/util/u_blitter.c
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@ -371,11 +371,20 @@ static void blitter_set_clear_color(struct blitter_context_priv *ctx,
{
int i;
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][0] = rgba[0];
ctx->vertices[i][1][1] = rgba[1];
ctx->vertices[i][1][2] = rgba[2];
ctx->vertices[i][1][3] = rgba[3];
if (rgba) {
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][0] = rgba[0];
ctx->vertices[i][1][1] = rgba[1];
ctx->vertices[i][1][2] = rgba[2];
ctx->vertices[i][1][3] = rgba[3];
}
} else {
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][0] = 0;
ctx->vertices[i][1][1] = 0;
ctx->vertices[i][1][2] = 0;
ctx->vertices[i][1][3] = 0;
}
}
}