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i965/screen: Add basic support for rendering 10 bpc/depth 30 framebuffers. (v3)

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Expose formats which are supported at least back to Gen 5 Ironlake,
possibly further. Allow creation of 10 bpc winsys buffers for drawables.

glxinfo now lists new RGBA 10 10 10 2/0 formats.

v2: Move the BGRA/BGRX1010102 formats before the RGBA/RGBX8888
    32 bit formats, as the code comments require. Thanks Emil!
    Update num_formats from 3 to 5, to keep the special Android
    handling intact.

v3: Use num_formats = ARRAY_SIZE(formats) - 2 as suggested by Tapani,
    to only exclude the last 2 Android formats, add Tapani's r-b.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Mario Kleiner
2017-12-15 23:04:53 +01:00
committed by Marek Olšák
parent 87faa8b1e8
commit 9e63cbacb6
1 changed files with 11 additions and 1 deletions
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src/mesa/drivers/dri/i965/intel_screen.c
+11 -1
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@@ -1602,7 +1602,13 @@ intelCreateBuffer(__DRIscreen *dri_screen,
fb->Visual.samples = num_samples;
}
if (mesaVis->redBits == 5) {
if (mesaVis->redBits == 10 && mesaVis->alphaBits > 0) {
rgbFormat = mesaVis->redMask == 0x3ff00000 ? MESA_FORMAT_B10G10R10A2_UNORM
: MESA_FORMAT_R10G10B10A2_UNORM;
} else if (mesaVis->redBits == 10) {
rgbFormat = mesaVis->redMask == 0x3ff00000 ? MESA_FORMAT_B10G10R10X2_UNORM
: MESA_FORMAT_R10G10B10X2_UNORM;
} else if (mesaVis->redBits == 5) {
rgbFormat = mesaVis->redMask == 0x1f ? MESA_FORMAT_R5G6B5_UNORM
: MESA_FORMAT_B5G6R5_UNORM;
} else if (mesaVis->sRGBCapable) {
@@ -2012,6 +2018,10 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
MESA_FORMAT_B8G8R8A8_SRGB,
/* For 10 bpc, 30 bit depth framebuffers. */
MESA_FORMAT_B10G10R10A2_UNORM,
MESA_FORMAT_B10G10R10X2_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,