freedreno/a4xx: stencil fixes

Signed-off-by: Rob Clark <robclark@freedesktop.org>

src/gallium/drivers/freedreno/a4xx/fd4_draw.c

@@ -232,7 +232,7 @@ fd4_clear(struct fd_context *ctx, unsigned buffers,
 				A4XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
 				A4XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
 				A4XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
-		OUT_RING(ring, 0x00000000); /* RB_STENCIL_CONTROL2 */
+		OUT_RING(ring, A4XX_RB_STENCIL_CONTROL2_STENCIL_BUFFER);
 	} else {
 		OUT_PKT0(ring, REG_A4XX_RB_STENCILREFMASK, 2);
 		OUT_RING(ring, A4XX_RB_STENCILREFMASK_STENCILREF(0) |

src/gallium/drivers/freedreno/a4xx/fd4_emit.c

@@ -360,8 +360,9 @@ fd4_emit_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
 		OUT_PKT0(ring, REG_A4XX_GRAS_ALPHA_CONTROL, 1);
 		OUT_RING(ring, zsa->gras_alpha_control);
 
-		OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 1);
+		OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 2);
 		OUT_RING(ring, zsa->rb_stencil_control);
+		OUT_RING(ring, zsa->rb_stencil_control2);
 
 		OUT_PKT0(ring, REG_A4XX_RB_STENCILREFMASK, 2);
 		OUT_RING(ring, zsa->rb_stencilrefmask |

src/gallium/drivers/freedreno/a4xx/fd4_gmem.c

@@ -159,7 +159,7 @@ fd4_emit_tile_gmem2mem(struct fd_context *ctx, struct fd_tile *tile)
 	OUT_PKT0(ring, REG_A4XX_RB_DEPTH_CONTROL, 1);
 	OUT_RING(ring, A4XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_NEVER));
 
-	OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 1);
+	OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 2);
 	OUT_RING(ring, A4XX_RB_STENCIL_CONTROL_FUNC(FUNC_NEVER) |
 			A4XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
 			A4XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
@@ -168,6 +168,7 @@ fd4_emit_tile_gmem2mem(struct fd_context *ctx, struct fd_tile *tile)
 			A4XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
 			A4XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
 			A4XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
+	OUT_RING(ring, 0x00000000); /* RB_STENCIL_CONTROL2 */
 
 	OUT_PKT0(ring, REG_A4XX_RB_STENCILREFMASK, 2);
 	OUT_RING(ring, 0xff000000 |
@@ -339,7 +340,7 @@ fd4_emit_tile_mem2gmem(struct fd_context *ctx, struct fd_tile *tile)
 	OUT_RING(ring, A4XX_RB_MODE_CONTROL_WIDTH(gmem->bin_w) |
 			A4XX_RB_MODE_CONTROL_HEIGHT(gmem->bin_h));
 
-	OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 1);
+	OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 2);
 	OUT_RING(ring, A4XX_RB_STENCIL_CONTROL_FUNC(FUNC_ALWAYS) |
 			A4XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
 			A4XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
@@ -348,6 +349,7 @@ fd4_emit_tile_mem2gmem(struct fd_context *ctx, struct fd_tile *tile)
 			A4XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
 			A4XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
 			A4XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
+	OUT_RING(ring, 0x00000000); /* RB_STENCIL_CONTROL2 */
 
 	OUT_PKT0(ring, REG_A4XX_GRAS_SC_CONTROL, 1);
 	OUT_RING(ring, A4XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
@@ -486,12 +488,13 @@ fd4_emit_tile_prep(struct fd_context *ctx, struct fd_tile *tile)
 	OUT_PKT0(ring, REG_A4XX_RB_DEPTH_INFO, 3);
 	reg = A4XX_RB_DEPTH_INFO_DEPTH_BASE(depth_base(ctx));
 	if (pfb->zsbuf) {
-		reg |= A4XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd_pipe2depth(pfb->zsbuf->format));
+		reg |= A4XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd4_pipe2depth(pfb->zsbuf->format));
 	}
 	OUT_RING(ring, reg);
 	if (pfb->zsbuf) {
-		OUT_RING(ring, A4XX_RB_DEPTH_PITCH(gmem->bin_w));
-		OUT_RING(ring, A4XX_RB_DEPTH_PITCH2(gmem->bin_w));
+		uint32_t cpp = util_format_get_blocksize(pfb->zsbuf->format);
+		OUT_RING(ring, A4XX_RB_DEPTH_PITCH(cpp * gmem->bin_w));
+		OUT_RING(ring, A4XX_RB_DEPTH_PITCH2(cpp * gmem->bin_w));
 	} else {
 		OUT_RING(ring, 0x00000000);
 		OUT_RING(ring, 0x00000000);
@@ -500,7 +503,7 @@ fd4_emit_tile_prep(struct fd_context *ctx, struct fd_tile *tile)
 	if (pfb->zsbuf) {
 		OUT_PKT0(ring, REG_A4XX_GRAS_DEPTH_CONTROL, 1);
 		OUT_RING(ring, A4XX_GRAS_DEPTH_CONTROL_FORMAT(
-				fd_pipe2depth(pfb->zsbuf->format)));
+				fd4_pipe2depth(pfb->zsbuf->format)));
 	}
 
 	if (ctx->needs_rb_fbd) {

src/gallium/drivers/freedreno/a4xx/fd4_screen.c

@@ -73,7 +73,7 @@ fd4_screen_is_format_supported(struct pipe_screen *pscreen,
 	}
 
 	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
-			(fd_pipe2depth(format) != ~0) &&
+			(fd4_pipe2depth(format) != ~0) &&
 			(fd4_pipe2tex(format) != ~0)) {
 		retval |= PIPE_BIND_DEPTH_STENCIL;
 	}

src/gallium/drivers/freedreno/a4xx/fd4_util.c

@@ -246,6 +246,9 @@ fd4_pipe2tex(enum pipe_format format)
 	case PIPE_FORMAT_I8_UNORM:
 		return TFMT4_NORM_UINT_8;
 
+	case PIPE_FORMAT_R8G8_UNORM:
+		return TFMT4_NORM_UINT_8_8;
+
 	case PIPE_FORMAT_B8G8R8A8_UNORM:
 	case PIPE_FORMAT_B8G8R8X8_UNORM:
 	case PIPE_FORMAT_R8G8B8A8_UNORM:
@@ -329,8 +332,9 @@ fd4_gmem_restore_format(enum pipe_format format)
 	switch (format) {
 	case PIPE_FORMAT_Z24X8_UNORM:
 	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+		return PIPE_FORMAT_R8G8B8A8_UNORM;
 	case PIPE_FORMAT_Z16_UNORM:
-		return PIPE_FORMAT_B8G8R8A8_UNORM;
+		return PIPE_FORMAT_R8G8_UNORM;
 	default:
 		return format;
 	}
@@ -368,6 +372,22 @@ fd4_pipe2swap(enum pipe_format format)
 	}
 }
 
+enum a4xx_depth_format
+fd4_pipe2depth(enum pipe_format format)
+{
+	switch (format) {
+	case PIPE_FORMAT_Z16_UNORM:
+		return DEPTH4_16;
+	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+	case PIPE_FORMAT_X8Z24_UNORM:
+	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+		return DEPTH4_24_8;
+	default:
+		return ~0;
+	}
+}
+
 static inline enum a4xx_tex_swiz
 tex_swiz(unsigned swiz)
 {

src/gallium/drivers/freedreno/a4xx/fd4_util.h

@@ -38,6 +38,7 @@ enum a4xx_tex_fmt fd4_pipe2tex(enum pipe_format format);
 enum a4xx_color_fmt fd4_pipe2color(enum pipe_format format);
 enum pipe_format fd4_gmem_restore_format(enum pipe_format format);
 enum a3xx_color_swap fd4_pipe2swap(enum pipe_format format);
+enum a4xx_depth_format fd4_pipe2depth(enum pipe_format format);
 
 uint32_t fd4_tex_swiz(enum pipe_format format, unsigned swizzle_r,
 		unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);

src/gallium/drivers/freedreno/a4xx/fd4_zsa.c

@@ -68,6 +68,8 @@ fd4_zsa_state_create(struct pipe_context *pctx,
 			A4XX_RB_STENCIL_CONTROL_FAIL(fd_stencil_op(s->fail_op)) |
 			A4XX_RB_STENCIL_CONTROL_ZPASS(fd_stencil_op(s->zpass_op)) |
 			A4XX_RB_STENCIL_CONTROL_ZFAIL(fd_stencil_op(s->zfail_op));
+		so->rb_stencil_control2 |=
+			A4XX_RB_STENCIL_CONTROL2_STENCIL_BUFFER;
 		so->rb_stencilrefmask |=
 			0xff000000 | /* ??? */
 			A4XX_RB_STENCILREFMASK_STENCILWRITEMASK(s->writemask) |

src/gallium/drivers/freedreno/a4xx/fd4_zsa.h

@@ -42,6 +42,7 @@ struct fd4_zsa_stateobj {
 	uint32_t rb_render_control;
 	uint32_t rb_depth_control;
 	uint32_t rb_stencil_control;
+	uint32_t rb_stencil_control2;
 	uint32_t rb_stencilrefmask;
 	uint32_t rb_stencilrefmask_bf;
 };