From 74db56b97a65d488c38a8cfbb600b019439c2f91 Mon Sep 17 00:00:00 2001 From: Chad Versace Date: Tue, 30 May 2017 12:27:54 -0700 Subject: [PATCH] i965: Add a RGBX->RGBA fallback for glEGLImageTextureTarget2D() This enables support for importing RGBX8888 EGLImage textures on Skylake. Chrome OS needs support for RGBX8888 EGLImage textures because because the Android framework produces HAL_PIXEL_FORMAT_RGBX8888 winsys surfaces, which the Chrome OS compositor consumes as dma_bufs. On hardware for which RGBX is unsupported or disabled, normally core Mesa provides the RGBX->RGBA fallback during glTexStorage. But the DRIimage code bypasses core Mesa, so we must do the fallback in i965. Reviewed-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/intel_tex_image.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/src/mesa/drivers/dri/i965/intel_tex_image.c b/src/mesa/drivers/dri/i965/intel_tex_image.c index b1fe8dd..22be114 100644 --- a/src/mesa/drivers/dri/i965/intel_tex_image.c +++ b/src/mesa/drivers/dri/i965/intel_tex_image.c @@ -267,8 +267,22 @@ create_mt_for_dri_image(struct brw_context *brw, struct gl_context *ctx = &brw->ctx; struct intel_mipmap_tree *mt; uint32_t draw_x, draw_y; + mesa_format format = image->format; + + if (!ctx->TextureFormatSupported[format]) { + /* The texture storage paths in core Mesa detect if the driver does not + * support the user-requested format, and then searches for a + * fallback format. The DRIimage code bypasses core Mesa, though. So we + * do the fallbacks here for important formats. + * + * We must support DRM_FOURCC_XBGR8888 textures because the Android + * framework produces HAL_PIXEL_FORMAT_RGBX8888 winsys surfaces, which + * the Chrome OS compositor consumes as dma_buf EGLImages. + */ + format = _mesa_format_fallback_rgbx_to_rgba(format); + } - if (!ctx->TextureFormatSupported[image->format]) + if (!ctx->TextureFormatSupported[format]) return NULL; /* Disable creation of the texture's aux buffers because the driver exposes @@ -276,7 +290,7 @@ create_mt_for_dri_image(struct brw_context *brw, * buffer's content to the main buffer nor for invalidating the aux buffer's * content. */ - mt = intel_miptree_create_for_bo(brw, image->bo, image->format, + mt = intel_miptree_create_for_bo(brw, image->bo, format, 0, image->width, image->height, 1, image->pitch, MIPTREE_LAYOUT_DISABLE_AUX); -- 2.7.4