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freedreno/a3xx: fix viewport state during clear

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Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2014-10-21 12:25:28 -04:00
parent 3eb8289aa4
commit 2bc2ab66d9
1 changed files with 19 additions and 1 deletions
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20
src/gallium/drivers/freedreno/a3xx/fd3_draw.c
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@ -158,6 +158,22 @@ fd3_draw(struct fd_context *ctx, const struct pipe_draw_info *info)
draw_impl(ctx, ctx->ring, &emit);
}
/* clear operations ignore viewport state, so we need to reset it
* based on framebuffer state:
*/
static void
reset_viewport(struct fd_ringbuffer *ring, struct pipe_framebuffer_state *pfb)
{
float half_width = pfb->width * 0.5f;
float half_height = pfb->height * 0.5f;
OUT_PKT0(ring, REG_A3XX_GRAS_CL_VPORT_XOFFSET, 4);
OUT_RING(ring, A3XX_GRAS_CL_VPORT_XOFFSET(half_width - 0.5));
OUT_RING(ring, A3XX_GRAS_CL_VPORT_XSCALE(half_width));
OUT_RING(ring, A3XX_GRAS_CL_VPORT_YOFFSET(half_height - 0.5));
OUT_RING(ring, A3XX_GRAS_CL_VPORT_YSCALE(-half_height));
}
/* binning pass cmds for a clear:
* NOTE: newer blob drivers don't use binning for clear, which is probably
* preferable since it is low vtx count. However that doesn't seem to
@ -183,6 +199,7 @@ fd3_clear_binning(struct fd_context *ctx, unsigned dirty)
fd3_emit_state(ctx, ring, &emit);
fd3_emit_vertex_bufs(ring, &emit);
reset_viewport(ring, &ctx->framebuffer);
OUT_PKT0(ring, REG_A3XX_PC_PRIM_VTX_CNTL, 1);
OUT_RING(ring, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(0) |
@ -219,7 +236,7 @@ fd3_clear(struct fd_context *ctx, unsigned buffers,
},
};
dirty &= FD_DIRTY_VIEWPORT | FD_DIRTY_FRAMEBUFFER | FD_DIRTY_SCISSOR;
dirty &= FD_DIRTY_FRAMEBUFFER | FD_DIRTY_SCISSOR;
dirty |= FD_DIRTY_PROG;
emit.dirty = dirty;
@ -227,6 +244,7 @@ fd3_clear(struct fd_context *ctx, unsigned buffers,
/* emit generic state now: */
fd3_emit_state(ctx, ring, &emit);
reset_viewport(ring, &ctx->framebuffer);
OUT_PKT0(ring, REG_A3XX_RB_BLEND_ALPHA, 1);
OUT_RING(ring, A3XX_RB_BLEND_ALPHA_UINT(0xff) |