From 677a60455673bd9aff4bebae8416a54cd326ca37 Mon Sep 17 00:00:00 2001 From: Wiktor Janas Date: Tue, 4 May 2010 19:50:26 +0200 Subject: [PATCH] u_blitter: fix creating fragment shaders MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit See FDO bug #27887. Signed-off-by: Marek Olšák --- src/gallium/auxiliary/util/u_blitter.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index 1abe31db466..77d2529ed77 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -70,8 +70,8 @@ struct blitter_context_priv void *vs_tex; /**< Vertex shader which passes {pos, texcoord} to the output.*/ /* Fragment shaders. */ - /* FS which outputs a color to multiple color buffers. */ - void *fs_col[PIPE_MAX_COLOR_BUFS]; + /* The shader at index i outputs color to color buffers 0,1,...,i-1. */ + void *fs_col[PIPE_MAX_COLOR_BUFS+1]; /* FS which outputs a color from a texture, where the index is PIPE_TEXTURE_* to be sampled. */ @@ -249,7 +249,7 @@ void util_blitter_destroy(struct blitter_context *blitter) pipe->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); } - for (i = 0; i < PIPE_MAX_COLOR_BUFS && ctx->fs_col[i]; i++) + for (i = 0; i <= PIPE_MAX_COLOR_BUFS && ctx->fs_col[i]; i++) if (ctx->fs_col[i]) pipe->delete_fs_state(pipe, ctx->fs_col[i]); @@ -496,15 +496,14 @@ static INLINE void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs) { struct pipe_context *pipe = ctx->pipe; - unsigned index = num_cbufs ? num_cbufs - 1 : 0; assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); - if (!ctx->fs_col[index]) - ctx->fs_col[index] = + if (!ctx->fs_col[num_cbufs]) + ctx->fs_col[num_cbufs] = util_make_fragment_clonecolor_shader(pipe, num_cbufs); - return ctx->fs_col[index]; + return ctx->fs_col[num_cbufs]; } static INLINE -- 2.30.2