From 6e004e973bcc5b789ee3f70b70f5d728c8b8ea71 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 2 May 2008 14:00:35 -0600 Subject: gallium: remove 0.5 vertex biases in set_vertex_data() These should not be needed and were causing garbage to appear along the edges of the mipmap images. --- src/gallium/auxiliary/util/u_gen_mipmap.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c index 2e8417ee13..c53c512268 100644 --- a/src/gallium/auxiliary/util/u_gen_mipmap.c +++ b/src/gallium/auxiliary/util/u_gen_mipmap.c @@ -778,23 +778,23 @@ set_vertex_data(struct gen_mipmap_state *ctx, float width, float height) { void *buf; - ctx->vertices[0][0][0] = -0.5f; /*x*/ - ctx->vertices[0][0][1] = -0.5f; /*y*/ + ctx->vertices[0][0][0] = 0.0f; /*x*/ + ctx->vertices[0][0][1] = 0.0f; /*y*/ ctx->vertices[0][1][0] = 0.0f; /*s*/ ctx->vertices[0][1][1] = 0.0f; /*t*/ - ctx->vertices[1][0][0] = width - 0.5f; /*x*/ - ctx->vertices[1][0][1] = -0.5f; /*y*/ - ctx->vertices[1][1][0] = 1.0f; /*s*/ - ctx->vertices[1][1][1] = 0.0f; /*t*/ + ctx->vertices[1][0][0] = width; + ctx->vertices[1][0][1] = 0.0f; + ctx->vertices[1][1][0] = 1.0f; + ctx->vertices[1][1][1] = 0.0f; - ctx->vertices[2][0][0] = width - 0.5f; - ctx->vertices[2][0][1] = height - 0.5f; + ctx->vertices[2][0][0] = width; + ctx->vertices[2][0][1] = height; ctx->vertices[2][1][0] = 1.0f; ctx->vertices[2][1][1] = 1.0f; - ctx->vertices[3][0][0] = -0.5f; - ctx->vertices[3][0][1] = height - 0.5f; + ctx->vertices[3][0][0] = 0.0f; + ctx->vertices[3][0][1] = height; ctx->vertices[3][1][0] = 0.0f; ctx->vertices[3][1][1] = 1.0f; -- cgit v1.2.3