From: Stanislav Vorobiov <s.vorobiov@samsung.com>
Date: Mon, 13 Jan 2014 09:37:10 +0000 (+0400)
Subject: YaGL/VIGS: Use GL_UNSIGNED_INT_8_8_8_8_REV instead of GL_UNSIGNED_BYTE
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.1~517
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F78%2F14878%2F1;p=sdk%2Femulator%2Fqemu.git

YaGL/VIGS: Use GL_UNSIGNED_INT_8_8_8_8_REV instead of GL_UNSIGNED_BYTE

On Mac OS X glReadPixels with GL_UNSIGNED_BYTE may introduce stalls
even when it's used with PBO, so use
GL_UNSIGNED_INT_8_8_8_8_REV - it's the same
thing and it doesn't stall glReadPixels

Change-Id: I40ae1981579b3596f42f9a22604fd3d7fad8e335
---

diff --git a/hw/vigs/vigs_gl_backend.c b/hw/vigs/vigs_gl_backend.c
index 1b15747e7f..7529b4b3fd 100644
--- a/hw/vigs/vigs_gl_backend.c
+++ b/hw/vigs/vigs_gl_backend.c
@@ -774,7 +774,7 @@ static struct vigs_surface *vigs_gl_backend_create_surface(struct vigs_backend *
     case vigsp_surface_bgra8888:
         tex_internalformat = GL_RGBA8;
         tex_format = GL_BGRA;
-        tex_type = GL_UNSIGNED_BYTE;
+        tex_type = GL_UNSIGNED_INT_8_8_8_8_REV;
         break;
     default:
         assert(false);
diff --git a/hw/yagl/yagl_apis/gles/yagl_host_gles_calls.c b/hw/yagl/yagl_apis/gles/yagl_host_gles_calls.c
index 1dfb18fe3f..6fd3426ede 100644
--- a/hw/yagl/yagl_apis/gles/yagl_host_gles_calls.c
+++ b/hw/yagl/yagl_apis/gles/yagl_host_gles_calls.c
@@ -2013,7 +2013,7 @@ void yagl_host_glUpdateOffscreenImageYAGL(GLuint texture,
                                     height,
                                     0,
                                     format,
-                                    GL_UNSIGNED_BYTE,
+                                    GL_UNSIGNED_INT_8_8_8_8_REV,
                                     pixels);
 
     gles_api_ts->driver->PixelStorei(GL_UNPACK_ALIGNMENT,
diff --git a/hw/yagl/yagl_backends/egl_offscreen/yagl_egl_offscreen_context.c b/hw/yagl/yagl_backends/egl_offscreen/yagl_egl_offscreen_context.c
index 3b517a1acf..fbfaf47caa 100644
--- a/hw/yagl/yagl_backends/egl_offscreen/yagl_egl_offscreen_context.c
+++ b/hw/yagl/yagl_backends/egl_offscreen/yagl_egl_offscreen_context.c
@@ -192,7 +192,7 @@ bool yagl_egl_offscreen_context_read_pixels(struct yagl_egl_offscreen_context *c
     gles_driver->PixelStorei(GL_PACK_ALIGNMENT, 1);
 
     gles_driver->ReadPixels(0, 0,
-                            width, height, format, GL_UNSIGNED_BYTE,
+                            width, height, format, GL_UNSIGNED_INT_8_8_8_8_REV,
                             NULL);
 
     mapped_pixels = gles_driver->MapBuffer(GL_PIXEL_PACK_BUFFER_ARB,