From 83ebc01c1dd1cd8a960a2a61fc7203f8312644d5 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 25 Feb 2011 09:24:15 +1000 Subject: [PATCH] mesa/st: add RGTC format support. this just adds a format check + format conversion. --- src/mesa/state_tracker/st_extensions.c | 16 ++++++++++++++++ src/mesa/state_tracker/st_format.c | 17 +++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 2f45f470334..d2098987d1d 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -416,6 +416,22 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.S3_s3tc = GL_TRUE; } + if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0) && + screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0) && + screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0) && + screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0) + ) { + ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE; + } + /* ycbcr support */ if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, PIPE_TEXTURE_2D, 0, diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c index 577ee6189bd..c58ec9267dc 100644 --- a/src/mesa/state_tracker/st_format.c +++ b/src/mesa/state_tracker/st_format.c @@ -241,6 +241,14 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat) case MESA_FORMAT_RGBA_UINT32: return PIPE_FORMAT_R32G32B32A32_USCALED; + case MESA_FORMAT_RED_RGTC1: + return PIPE_FORMAT_RGTC1_UNORM; + case MESA_FORMAT_SIGNED_RED_RGTC1: + return PIPE_FORMAT_RGTC1_SNORM; + case MESA_FORMAT_RG_RGTC2: + return PIPE_FORMAT_RGTC2_UNORM; + case MESA_FORMAT_SIGNED_RG_RGTC2: + return PIPE_FORMAT_RGTC2_SNORM; default: assert(0); return PIPE_FORMAT_NONE; @@ -380,6 +388,15 @@ st_pipe_format_to_mesa_format(enum pipe_format format) case PIPE_FORMAT_R32G32B32A32_USCALED: return MESA_FORMAT_RGBA_UINT32; + case PIPE_FORMAT_RGTC1_UNORM: + return MESA_FORMAT_RED_RGTC1; + case PIPE_FORMAT_RGTC1_SNORM: + return MESA_FORMAT_SIGNED_RED_RGTC1; + case PIPE_FORMAT_RGTC2_UNORM: + return MESA_FORMAT_RG_RGTC2; + case PIPE_FORMAT_RGTC2_SNORM: + return MESA_FORMAT_SIGNED_RG_RGTC2; + default: assert(0); return MESA_FORMAT_NONE; -- 2.30.2