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-rw-r--r--src/gallium/state_trackers/dri/dri2.c8
-rw-r--r--src/gallium/state_trackers/dri/dri_screen.c69
2 files changed, 65 insertions, 12 deletions
diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index 60ec38d8e44..e20b2c07536 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -186,6 +186,9 @@ static enum pipe_format dri2_format_to_pipe_format (int format)
case __DRI_IMAGE_FORMAT_ARGB8888:
pf = PIPE_FORMAT_BGRA8888_UNORM;
break;
+ case __DRI_IMAGE_FORMAT_XBGR8888:
+ pf = PIPE_FORMAT_RGBX8888_UNORM;
+ break;
case __DRI_IMAGE_FORMAT_ABGR8888:
pf = PIPE_FORMAT_RGBA8888_UNORM;
break;
@@ -356,9 +359,11 @@ dri2_drawable_get_buffers(struct dri_drawable *drawable,
*/
switch(format) {
case PIPE_FORMAT_BGRA8888_UNORM:
+ case PIPE_FORMAT_RGBA8888_UNORM:
depth = 32;
break;
case PIPE_FORMAT_BGRX8888_UNORM:
+ case PIPE_FORMAT_RGBX8888_UNORM:
depth = 24;
break;
case PIPE_FORMAT_B5G6R5_UNORM:
@@ -434,6 +439,9 @@ dri_image_drawable_get_buffers(struct dri_drawable *drawable,
case PIPE_FORMAT_BGRA8888_UNORM:
image_format = __DRI_IMAGE_FORMAT_ARGB8888;
break;
+ case PIPE_FORMAT_RGBX8888_UNORM:
+ image_format = __DRI_IMAGE_FORMAT_XBGR8888;
+ break;
case PIPE_FORMAT_RGBA8888_UNORM:
image_format = __DRI_IMAGE_FORMAT_ABGR8888;
break;
diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index 6b58830e0b4..a0d9b34d667 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -132,6 +132,27 @@ dri_fill_in_modes(struct dri_screen *screen)
MESA_FORMAT_B8G8R8A8_SRGB,
MESA_FORMAT_B8G8R8X8_SRGB,
MESA_FORMAT_B5G6R5_UNORM,
+
+ /* The 32-bit RGBA format must not precede the 32-bit BGRA format.
+ * Likewise for RGBX and BGRX. Otherwise, the GLX client and the GLX
+ * server may disagree on which format the GLXFBConfig represents,
+ * resulting in swapped color channels.
+ *
+ * The problem, as of 2017-05-30:
+ * When matching a GLXFBConfig to a __DRIconfig, GLX ignores the channel
+ * order and chooses the first __DRIconfig with the expected channel
+ * sizes. Specifically, GLX compares the GLXFBConfig's and __DRIconfig's
+ * __DRI_ATTRIB_{CHANNEL}_SIZE but ignores __DRI_ATTRIB_{CHANNEL}_MASK.
+ *
+ * EGL does not suffer from this problem. It correctly compares the
+ * channel masks when matching EGLConfig to __DRIconfig.
+ */
+
+ /* Required by Android, for HAL_PIXEL_FORMAT_RGBA_8888. */
+ MESA_FORMAT_R8G8B8A8_UNORM,
+
+ /* Required by Android, for HAL_PIXEL_FORMAT_RGBX_8888. */
+ MESA_FORMAT_R8G8B8X8_UNORM,
};
static const enum pipe_format pipe_formats[] = {
PIPE_FORMAT_BGRA8888_UNORM,
@@ -139,6 +160,8 @@ dri_fill_in_modes(struct dri_screen *screen)
PIPE_FORMAT_BGRA8888_SRGB,
PIPE_FORMAT_BGRX8888_SRGB,
PIPE_FORMAT_B5G6R5_UNORM,
+ PIPE_FORMAT_RGBA8888_UNORM,
+ PIPE_FORMAT_RGBX8888_UNORM,
};
mesa_format format;
__DRIconfig **configs = NULL;
@@ -275,19 +298,41 @@ dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
if (!mode)
return;
- if (mode->redBits == 8) {
- if (mode->alphaBits == 8)
- if (mode->sRGBCapable)
- stvis->color_format = PIPE_FORMAT_BGRA8888_SRGB;
- else
- stvis->color_format = PIPE_FORMAT_BGRA8888_UNORM;
- else
- if (mode->sRGBCapable)
- stvis->color_format = PIPE_FORMAT_BGRX8888_SRGB;
- else
- stvis->color_format = PIPE_FORMAT_BGRX8888_UNORM;
- } else {
+ /* Deduce the color format. */
+ switch (mode->redMask) {
+ case 0x00FF0000:
+ if (mode->alphaMask) {
+ assert(mode->alphaMask == 0xFF000000);
+ stvis->color_format = mode->sRGBCapable ?
+ PIPE_FORMAT_BGRA8888_SRGB :
+ PIPE_FORMAT_BGRA8888_UNORM;
+ } else {
+ stvis->color_format = mode->sRGBCapable ?
+ PIPE_FORMAT_BGRX8888_SRGB :
+ PIPE_FORMAT_BGRX8888_UNORM;
+ }
+ break;
+
+ case 0x000000FF:
+ if (mode->alphaMask) {
+ assert(mode->alphaMask == 0xFF000000);
+ stvis->color_format = mode->sRGBCapable ?
+ PIPE_FORMAT_RGBA8888_SRGB :
+ PIPE_FORMAT_RGBA8888_UNORM;
+ } else {
+ stvis->color_format = mode->sRGBCapable ?
+ PIPE_FORMAT_RGBX8888_SRGB :
+ PIPE_FORMAT_RGBX8888_UNORM;
+ }
+ break;
+
+ case 0x0000F800:
stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
+ break;
+
+ default:
+ assert(!"unsupported visual: invalid red mask");
+ return;
}
if (mode->sampleBuffers) {