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gallium: remove 0.5 vertex biases in set_vertex_data()

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These should not be needed and were causing garbage to appear along the
edges of the mipmap images.
This commit is contained in:
Brian Paul
2008-05-02 14:00:35 -06:00
parent 07aaf3a7a7
commit 6e004e973b
1 changed files with 10 additions and 10 deletions
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20
src/gallium/auxiliary/util/u_gen_mipmap.c
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@@ -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;