In Vulkan, for 'z' (depth) component, the scale and translate values for the viewport transformation are:
pz = maxDepth - minDepth oz = minDepth zf = pz × zd + oz Being zd, the third component in vertex's normalized device coordinates. Fixes: dEQP-VK.draw.inverted_depth_ranges.* Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> --- src/intel/vulkan/gen8_cmd_buffer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/intel/vulkan/gen8_cmd_buffer.c b/src/intel/vulkan/gen8_cmd_buffer.c index 064b8e930e..7bea231ea7 100644 --- a/src/intel/vulkan/gen8_cmd_buffer.c +++ b/src/intel/vulkan/gen8_cmd_buffer.c @@ -49,10 +49,10 @@ gen8_cmd_buffer_emit_viewport(struct anv_cmd_buffer *cmd_buffer) struct GENX(SF_CLIP_VIEWPORT) sf_clip_viewport = { .ViewportMatrixElementm00 = vp->width / 2, .ViewportMatrixElementm11 = vp->height / 2, - .ViewportMatrixElementm22 = 1.0, + .ViewportMatrixElementm22 = vp->maxDepth - vp->minDepth, .ViewportMatrixElementm30 = vp->x + vp->width / 2, .ViewportMatrixElementm31 = vp->y + vp->height / 2, - .ViewportMatrixElementm32 = 0.0, + .ViewportMatrixElementm32 = vp->minDepth, .XMinClipGuardband = -1.0f, .XMaxClipGuardband = 1.0f, .YMinClipGuardband = -1.0f, -- 2.14.1 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
