There's some debate about whether we should use Meta or BLORP, but either should run circles around the BLT engine.
Improves performance in "copypixrate -blit -back" (from Mesa demos) by 232.037% +/- 3.15795% (n=10) on Broadwell GT3e. Signed-off-by: Kenneth Graunke <[email protected]> --- src/mesa/drivers/dri/i965/intel_fbo.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) Ben: this might be a good candidate for your braswell branch. Jason: I bet this will affect your PBO upload path. I suspect it may make it a lot faster on Gen8+, as you might've been getting the BLT engine when trying to use BlitFramebuffer. I haven't tested. diff --git a/src/mesa/drivers/dri/i965/intel_fbo.c b/src/mesa/drivers/dri/i965/intel_fbo.c index 37ac613f..b54c11d 100644 --- a/src/mesa/drivers/dri/i965/intel_fbo.c +++ b/src/mesa/drivers/dri/i965/intel_fbo.c @@ -882,6 +882,13 @@ intel_blit_framebuffer(struct gl_context *ctx, if (mask == 0x0) return; + mask = _mesa_meta_BlitFramebuffer(ctx, + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, filter); + if (mask == 0x0) + return; + if (brw->gen >= 8 && (mask & GL_STENCIL_BUFFER_BIT)) { brw_meta_fbo_stencil_blit(brw_context(ctx), srcX0, srcY0, srcX1, srcY1, @@ -899,13 +906,6 @@ intel_blit_framebuffer(struct gl_context *ctx, if (mask == 0x0) return; - mask = _mesa_meta_BlitFramebuffer(ctx, - srcX0, srcY0, srcX1, srcY1, - dstX0, dstY0, dstX1, dstY1, - mask, filter); - if (mask == 0x0) - return; - _swrast_BlitFramebuffer(ctx, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, -- 2.2.1 _______________________________________________ mesa-dev mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-dev
