From 537370be4b8aa3ecac8c5b0905f3cfc08e71da0d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Tue, 12 Apr 2011 22:07:03 +0200 Subject: [PATCH] xvmc: move subpicture swizzle into own function --- src/gallium/state_trackers/xorg/xvmc/subpicture.c | 57 ++++++++++++----------- 1 file changed, 31 insertions(+), 26 deletions(-) diff --git a/src/gallium/state_trackers/xorg/xvmc/subpicture.c b/src/gallium/state_trackers/xorg/xvmc/subpicture.c index 1b88405..31b1a96 100644 --- a/src/gallium/state_trackers/xorg/xvmc/subpicture.c +++ b/src/gallium/state_trackers/xorg/xvmc/subpicture.c @@ -78,6 +78,36 @@ static unsigned NumPaletteEntries4XvID(int xvimage_id) } } +static void XvIDToSwizzle(int xvimage_id, struct pipe_sampler_view *tmpl) +{ + switch (xvimage_id) { + default: + XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id); + + /* fall through */ + case FOURCC_RGB: + tmpl->swizzle_r = PIPE_SWIZZLE_BLUE; + tmpl->swizzle_g = PIPE_SWIZZLE_GREEN; + tmpl->swizzle_b = PIPE_SWIZZLE_RED; + tmpl->swizzle_a = PIPE_SWIZZLE_ONE; + break; + + case FOURCC_AI44: + tmpl->swizzle_r = PIPE_SWIZZLE_ALPHA; + tmpl->swizzle_g = PIPE_SWIZZLE_ZERO; + tmpl->swizzle_b = PIPE_SWIZZLE_ZERO; + tmpl->swizzle_a = PIPE_SWIZZLE_RED; + break; + + case FOURCC_IA44: + tmpl->swizzle_r = PIPE_SWIZZLE_RED; + tmpl->swizzle_g = PIPE_SWIZZLE_ZERO; + tmpl->swizzle_b = PIPE_SWIZZLE_ZERO; + tmpl->swizzle_a = PIPE_SWIZZLE_ALPHA; + break; + } +} + static int PipeToComponentOrder(enum pipe_format format, char *component_order) { assert(component_order); @@ -220,32 +250,7 @@ Status XvMCCreateSubpicture(Display *dpy, XvMCContext *context, XvMCSubpicture * memset(&sampler_templ, 0, sizeof(sampler_templ)); u_sampler_view_default_template(&sampler_templ, tex, tex->format); - - switch (xvimage_id) { - case FOURCC_RGB: - sampler_templ.swizzle_r = PIPE_SWIZZLE_BLUE; - sampler_templ.swizzle_g = PIPE_SWIZZLE_GREEN; - sampler_templ.swizzle_b = PIPE_SWIZZLE_RED; - sampler_templ.swizzle_a = PIPE_SWIZZLE_ONE; - break; - - case FOURCC_AI44: - sampler_templ.swizzle_r = PIPE_SWIZZLE_ALPHA; - sampler_templ.swizzle_g = PIPE_SWIZZLE_ZERO; - sampler_templ.swizzle_b = PIPE_SWIZZLE_ZERO; - sampler_templ.swizzle_a = PIPE_SWIZZLE_RED; - break; - - case FOURCC_IA44: - sampler_templ.swizzle_r = PIPE_SWIZZLE_RED; - sampler_templ.swizzle_g = PIPE_SWIZZLE_ZERO; - sampler_templ.swizzle_b = PIPE_SWIZZLE_ZERO; - sampler_templ.swizzle_a = PIPE_SWIZZLE_ALPHA; - break; - - default: - XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id); - } + XvIDToSwizzle(xvimage_id, &sampler_templ); subpicture_priv->sampler = vpipe->create_sampler_view(vpipe, tex, &sampler_templ); pipe_resource_reference(&tex, NULL); -- 2.7.4