radeonsi: move framebuffer to new handling

Signed-off-by: Christian König <[email protected]>

1 files changed, 663 insertions, 0 deletions

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 3e3a915457a..3141f36a4e5 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -25,6 +25,7 @@
  */
 
 #include "util/u_memory.h"
+#include "util/u_framebuffer.h"
 #include "radeonsi_pipe.h"
 #include "si_state.h"
 #include "sid.h"
@@ -193,6 +194,10 @@ static void si_set_blend_color(struct pipe_context *ctx,
 	si_pm4_set_state(rctx, blend_color, pm4);
 }
 
+/*
+ * Clipping, scissors and viewport
+ */
+
 static void si_set_clip_state(struct pipe_context *ctx,
 			      const struct pipe_clip_state *state)
 {
@@ -265,6 +270,662 @@ static void si_set_viewport_state(struct pipe_context *ctx,
 	si_pm4_set_state(rctx, viewport, viewport);
 }
 
+/*
+ * format translation
+ */
+static uint32_t si_translate_colorformat(enum pipe_format format)
+{
+	switch (format) {
+	/* 8-bit buffers. */
+	case PIPE_FORMAT_A8_UNORM:
+	case PIPE_FORMAT_A8_UINT:
+	case PIPE_FORMAT_A8_SINT:
+	case PIPE_FORMAT_I8_UNORM:
+	case PIPE_FORMAT_I8_UINT:
+	case PIPE_FORMAT_I8_SINT:
+	case PIPE_FORMAT_L8_UNORM:
+	case PIPE_FORMAT_L8_UINT:
+	case PIPE_FORMAT_L8_SINT:
+	case PIPE_FORMAT_L8_SRGB:
+	case PIPE_FORMAT_R8_UNORM:
+	case PIPE_FORMAT_R8_SNORM:
+	case PIPE_FORMAT_R8_UINT:
+	case PIPE_FORMAT_R8_SINT:
+		return V_028C70_COLOR_8;
+
+	/* 16-bit buffers. */
+	case PIPE_FORMAT_B5G6R5_UNORM:
+		return V_028C70_COLOR_5_6_5;
+
+	case PIPE_FORMAT_B5G5R5A1_UNORM:
+	case PIPE_FORMAT_B5G5R5X1_UNORM:
+		return V_028C70_COLOR_1_5_5_5;
+
+	case PIPE_FORMAT_B4G4R4A4_UNORM:
+	case PIPE_FORMAT_B4G4R4X4_UNORM:
+		return V_028C70_COLOR_4_4_4_4;
+
+	case PIPE_FORMAT_L8A8_UNORM:
+	case PIPE_FORMAT_L8A8_UINT:
+	case PIPE_FORMAT_L8A8_SINT:
+	case PIPE_FORMAT_L8A8_SRGB:
+	case PIPE_FORMAT_R8G8_UNORM:
+	case PIPE_FORMAT_R8G8_UINT:
+	case PIPE_FORMAT_R8G8_SINT:
+		return V_028C70_COLOR_8_8;
+
+	case PIPE_FORMAT_Z16_UNORM:
+	case PIPE_FORMAT_R16_UNORM:
+	case PIPE_FORMAT_R16_UINT:
+	case PIPE_FORMAT_R16_SINT:
+	case PIPE_FORMAT_R16_FLOAT:
+	case PIPE_FORMAT_R16G16_FLOAT:
+		return V_028C70_COLOR_16;
+
+	/* 32-bit buffers. */
+	case PIPE_FORMAT_A8B8G8R8_SRGB:
+	case PIPE_FORMAT_A8B8G8R8_UNORM:
+	case PIPE_FORMAT_A8R8G8B8_UNORM:
+	case PIPE_FORMAT_B8G8R8A8_SRGB:
+	case PIPE_FORMAT_B8G8R8A8_UNORM:
+	case PIPE_FORMAT_B8G8R8X8_UNORM:
+	case PIPE_FORMAT_R8G8B8A8_SNORM:
+	case PIPE_FORMAT_R8G8B8A8_UNORM:
+	case PIPE_FORMAT_R8G8B8X8_UNORM:
+	case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
+	case PIPE_FORMAT_X8B8G8R8_UNORM:
+	case PIPE_FORMAT_X8R8G8B8_UNORM:
+	case PIPE_FORMAT_R8G8B8_UNORM:
+	case PIPE_FORMAT_R8G8B8A8_SSCALED:
+	case PIPE_FORMAT_R8G8B8A8_USCALED:
+	case PIPE_FORMAT_R8G8B8A8_SINT:
+	case PIPE_FORMAT_R8G8B8A8_UINT:
+		return V_028C70_COLOR_8_8_8_8;
+
+	case PIPE_FORMAT_R10G10B10A2_UNORM:
+	case PIPE_FORMAT_R10G10B10X2_SNORM:
+	case PIPE_FORMAT_B10G10R10A2_UNORM:
+	case PIPE_FORMAT_B10G10R10A2_UINT:
+	case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
+		return V_028C70_COLOR_2_10_10_10;
+
+	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+		return V_028C70_COLOR_8_24;
+
+	case PIPE_FORMAT_X8Z24_UNORM:
+	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+		return V_028C70_COLOR_24_8;
+
+	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+		return V_028C70_COLOR_X24_8_32_FLOAT;
+
+	case PIPE_FORMAT_R32_FLOAT:
+	case PIPE_FORMAT_Z32_FLOAT:
+		return V_028C70_COLOR_32;
+
+	case PIPE_FORMAT_R16G16_SSCALED:
+	case PIPE_FORMAT_R16G16_UNORM:
+	case PIPE_FORMAT_R16G16_UINT:
+	case PIPE_FORMAT_R16G16_SINT:
+		return V_028C70_COLOR_16_16;
+
+	case PIPE_FORMAT_R11G11B10_FLOAT:
+		return V_028C70_COLOR_10_11_11;
+
+	/* 64-bit buffers. */
+	case PIPE_FORMAT_R16G16B16_USCALED:
+	case PIPE_FORMAT_R16G16B16_SSCALED:
+	case PIPE_FORMAT_R16G16B16A16_UINT:
+	case PIPE_FORMAT_R16G16B16A16_SINT:
+	case PIPE_FORMAT_R16G16B16A16_USCALED:
+	case PIPE_FORMAT_R16G16B16A16_SSCALED:
+	case PIPE_FORMAT_R16G16B16A16_UNORM:
+	case PIPE_FORMAT_R16G16B16A16_SNORM:
+	case PIPE_FORMAT_R16G16B16_FLOAT:
+	case PIPE_FORMAT_R16G16B16A16_FLOAT:
+		return V_028C70_COLOR_16_16_16_16;
+
+	case PIPE_FORMAT_R32G32_FLOAT:
+	case PIPE_FORMAT_R32G32_USCALED:
+	case PIPE_FORMAT_R32G32_SSCALED:
+	case PIPE_FORMAT_R32G32_SINT:
+	case PIPE_FORMAT_R32G32_UINT:
+		return V_028C70_COLOR_32_32;
+
+	/* 128-bit buffers. */
+	case PIPE_FORMAT_R32G32B32A32_SNORM:
+	case PIPE_FORMAT_R32G32B32A32_UNORM:
+	case PIPE_FORMAT_R32G32B32A32_SSCALED:
+	case PIPE_FORMAT_R32G32B32A32_USCALED:
+	case PIPE_FORMAT_R32G32B32A32_SINT:
+	case PIPE_FORMAT_R32G32B32A32_UINT:
+	case PIPE_FORMAT_R32G32B32A32_FLOAT:
+		return V_028C70_COLOR_32_32_32_32;
+
+	/* YUV buffers. */
+	case PIPE_FORMAT_UYVY:
+	case PIPE_FORMAT_YUYV:
+	/* 96-bit buffers. */
+	case PIPE_FORMAT_R32G32B32_FLOAT:
+	/* 8-bit buffers. */
+	case PIPE_FORMAT_L4A4_UNORM:
+	case PIPE_FORMAT_R4A4_UNORM:
+	case PIPE_FORMAT_A4R4_UNORM:
+	default:
+		return ~0U; /* Unsupported. */
+	}
+}
+
+static uint32_t si_translate_colorswap(enum pipe_format format)
+{
+	switch (format) {
+	/* 8-bit buffers. */
+	case PIPE_FORMAT_L4A4_UNORM:
+	case PIPE_FORMAT_A4R4_UNORM:
+		return V_028C70_SWAP_ALT;
+
+	case PIPE_FORMAT_A8_UNORM:
+	case PIPE_FORMAT_A8_UINT:
+	case PIPE_FORMAT_A8_SINT:
+	case PIPE_FORMAT_R4A4_UNORM:
+		return V_028C70_SWAP_ALT_REV;
+	case PIPE_FORMAT_I8_UNORM:
+	case PIPE_FORMAT_L8_UNORM:
+	case PIPE_FORMAT_I8_UINT:
+	case PIPE_FORMAT_I8_SINT:
+	case PIPE_FORMAT_L8_UINT:
+	case PIPE_FORMAT_L8_SINT:
+	case PIPE_FORMAT_L8_SRGB:
+	case PIPE_FORMAT_R8_UNORM:
+	case PIPE_FORMAT_R8_SNORM:
+	case PIPE_FORMAT_R8_UINT:
+	case PIPE_FORMAT_R8_SINT:
+		return V_028C70_SWAP_STD;
+
+	/* 16-bit buffers. */
+	case PIPE_FORMAT_B5G6R5_UNORM:
+		return V_028C70_SWAP_STD_REV;
+
+	case PIPE_FORMAT_B5G5R5A1_UNORM:
+	case PIPE_FORMAT_B5G5R5X1_UNORM:
+		return V_028C70_SWAP_ALT;
+
+	case PIPE_FORMAT_B4G4R4A4_UNORM:
+	case PIPE_FORMAT_B4G4R4X4_UNORM:
+		return V_028C70_SWAP_ALT;
+
+	case PIPE_FORMAT_Z16_UNORM:
+		return V_028C70_SWAP_STD;
+
+	case PIPE_FORMAT_L8A8_UNORM:
+	case PIPE_FORMAT_L8A8_UINT:
+	case PIPE_FORMAT_L8A8_SINT:
+	case PIPE_FORMAT_L8A8_SRGB:
+		return V_028C70_SWAP_ALT;
+	case PIPE_FORMAT_R8G8_UNORM:
+	case PIPE_FORMAT_R8G8_UINT:
+	case PIPE_FORMAT_R8G8_SINT:
+		return V_028C70_SWAP_STD;
+
+	case PIPE_FORMAT_R16_UNORM:
+	case PIPE_FORMAT_R16_UINT:
+	case PIPE_FORMAT_R16_SINT:
+	case PIPE_FORMAT_R16_FLOAT:
+		return V_028C70_SWAP_STD;
+
+	/* 32-bit buffers. */
+	case PIPE_FORMAT_A8B8G8R8_SRGB:
+		return V_028C70_SWAP_STD_REV;
+	case PIPE_FORMAT_B8G8R8A8_SRGB:
+		return V_028C70_SWAP_ALT;
+
+	case PIPE_FORMAT_B8G8R8A8_UNORM:
+	case PIPE_FORMAT_B8G8R8X8_UNORM:
+		return V_028C70_SWAP_ALT;
+
+	case PIPE_FORMAT_A8R8G8B8_UNORM:
+	case PIPE_FORMAT_X8R8G8B8_UNORM:
+		return V_028C70_SWAP_ALT_REV;
+	case PIPE_FORMAT_R8G8B8A8_SNORM:
+	case PIPE_FORMAT_R8G8B8A8_UNORM:
+	case PIPE_FORMAT_R8G8B8A8_SSCALED:
+	case PIPE_FORMAT_R8G8B8A8_USCALED:
+	case PIPE_FORMAT_R8G8B8A8_SINT:
+	case PIPE_FORMAT_R8G8B8A8_UINT:
+	case PIPE_FORMAT_R8G8B8X8_UNORM:
+		return V_028C70_SWAP_STD;
+
+	case PIPE_FORMAT_A8B8G8R8_UNORM:
+	case PIPE_FORMAT_X8B8G8R8_UNORM:
+	/* case PIPE_FORMAT_R8SG8SB8UX8U_NORM: */
+		return V_028C70_SWAP_STD_REV;
+
+	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+		return V_028C70_SWAP_STD;
+
+	case PIPE_FORMAT_X8Z24_UNORM:
+	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+		return V_028C70_SWAP_STD;
+
+	case PIPE_FORMAT_R10G10B10A2_UNORM:
+	case PIPE_FORMAT_R10G10B10X2_SNORM:
+	case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
+		return V_028C70_SWAP_STD;
+
+	case PIPE_FORMAT_B10G10R10A2_UNORM:
+	case PIPE_FORMAT_B10G10R10A2_UINT:
+		return V_028C70_SWAP_ALT;
+
+	case PIPE_FORMAT_R11G11B10_FLOAT:
+	case PIPE_FORMAT_R32_FLOAT:
+	case PIPE_FORMAT_R32_UINT:
+	case PIPE_FORMAT_R32_SINT:
+	case PIPE_FORMAT_Z32_FLOAT:
+	case PIPE_FORMAT_R16G16_FLOAT:
+	case PIPE_FORMAT_R16G16_UNORM:
+	case PIPE_FORMAT_R16G16_UINT:
+	case PIPE_FORMAT_R16G16_SINT:
+		return V_028C70_SWAP_STD;
+
+	/* 64-bit buffers. */
+	case PIPE_FORMAT_R32G32_FLOAT:
+	case PIPE_FORMAT_R32G32_UINT:
+	case PIPE_FORMAT_R32G32_SINT:
+	case PIPE_FORMAT_R16G16B16A16_UNORM:
+	case PIPE_FORMAT_R16G16B16A16_SNORM:
+	case PIPE_FORMAT_R16G16B16A16_USCALED:
+	case PIPE_FORMAT_R16G16B16A16_SSCALED:
+	case PIPE_FORMAT_R16G16B16A16_UINT:
+	case PIPE_FORMAT_R16G16B16A16_SINT:
+	case PIPE_FORMAT_R16G16B16A16_FLOAT:
+	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+
+	/* 128-bit buffers. */
+	case PIPE_FORMAT_R32G32B32A32_FLOAT:
+	case PIPE_FORMAT_R32G32B32A32_SNORM:
+	case PIPE_FORMAT_R32G32B32A32_UNORM:
+	case PIPE_FORMAT_R32G32B32A32_SSCALED:
+	case PIPE_FORMAT_R32G32B32A32_USCALED:
+	case PIPE_FORMAT_R32G32B32A32_SINT:
+	case PIPE_FORMAT_R32G32B32A32_UINT:
+		return V_028C70_SWAP_STD;
+	default:
+		R600_ERR("unsupported colorswap format %d\n", format);
+		return ~0U;
+	}
+	return ~0U;
+}
+
+static uint32_t si_colorformat_endian_swap(uint32_t colorformat)
+{
+	if (R600_BIG_ENDIAN) {
+		switch(colorformat) {
+		/* 8-bit buffers. */
+		case V_028C70_COLOR_8:
+			return V_028C70_ENDIAN_NONE;
+
+		/* 16-bit buffers. */
+		case V_028C70_COLOR_5_6_5:
+		case V_028C70_COLOR_1_5_5_5:
+		case V_028C70_COLOR_4_4_4_4:
+		case V_028C70_COLOR_16:
+		case V_028C70_COLOR_8_8:
+			return V_028C70_ENDIAN_8IN16;
+
+		/* 32-bit buffers. */
+		case V_028C70_COLOR_8_8_8_8:
+		case V_028C70_COLOR_2_10_10_10:
+		case V_028C70_COLOR_8_24:
+		case V_028C70_COLOR_24_8:
+		case V_028C70_COLOR_16_16:
+			return V_028C70_ENDIAN_8IN32;
+
+		/* 64-bit buffers. */
+		case V_028C70_COLOR_16_16_16_16:
+			return V_028C70_ENDIAN_8IN16;
+
+		case V_028C70_COLOR_32_32:
+			return V_028C70_ENDIAN_8IN32;
+
+		/* 128-bit buffers. */
+		case V_028C70_COLOR_32_32_32_32:
+			return V_028C70_ENDIAN_8IN32;
+		default:
+			return V_028C70_ENDIAN_NONE; /* Unsupported. */
+		}
+	} else {
+		return V_028C70_ENDIAN_NONE;
+	}
+}
+
+static uint32_t si_translate_dbformat(enum pipe_format format)
+{
+	switch (format) {
+	case PIPE_FORMAT_Z16_UNORM:
+		return V_028040_Z_16;
+	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+		return V_028040_Z_24; /* XXX no longer supported on SI */
+	case PIPE_FORMAT_Z32_FLOAT:
+	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+		return V_028040_Z_32_FLOAT;
+	default:
+		return ~0U;
+	}
+}
+
+/*
+ * framebuffer handling
+ */
+
+static void si_cb(struct r600_context *rctx, struct si_pm4_state *pm4,
+		  const struct pipe_framebuffer_state *state, int cb)
+{
+	struct r600_resource_texture *rtex;
+	struct r600_surface *surf;
+	unsigned level = state->cbufs[cb]->u.tex.level;
+	unsigned pitch, slice;
+	unsigned color_info, color_attrib;
+	unsigned format, swap, ntype, endian;
+	uint64_t offset;
+	unsigned blocksize;
+	const struct util_format_description *desc;
+	int i;
+	unsigned blend_clamp = 0, blend_bypass = 0;
+
+	surf = (struct r600_surface *)state->cbufs[cb];
+	rtex = (struct r600_resource_texture*)state->cbufs[cb]->texture;
+	blocksize = util_format_get_blocksize(rtex->real_format);
+
+	if (rtex->depth)
+		rctx->have_depth_fb = TRUE;
+
+	if (rtex->depth && !rtex->is_flushing_texture) {
+	        r600_texture_depth_flush(&rctx->context, state->cbufs[cb]->texture, TRUE);
+		rtex = rtex->flushed_depth_texture;
+	}
+
+	offset = rtex->surface.level[level].offset;
+	if (rtex->surface.level[level].mode < RADEON_SURF_MODE_1D) {
+		offset += rtex->surface.level[level].slice_size *
+			  state->cbufs[cb]->u.tex.first_layer;
+	}
+	pitch = (rtex->surface.level[level].nblk_x) / 8 - 1;
+	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
+	if (slice) {
+		slice = slice - 1;
+	}
+
+	color_attrib = S_028C74_TILE_MODE_INDEX(8);
+	switch (rtex->surface.level[level].mode) {
+	case RADEON_SURF_MODE_LINEAR_ALIGNED:
+		color_attrib = S_028C74_TILE_MODE_INDEX(8);
+		break;
+	case RADEON_SURF_MODE_1D:
+		color_attrib = S_028C74_TILE_MODE_INDEX(9);
+		break;
+	case RADEON_SURF_MODE_2D:
+		if (rtex->resource.b.b.bind & PIPE_BIND_SCANOUT) {
+			switch (blocksize) {
+			case 1:
+				color_attrib = S_028C74_TILE_MODE_INDEX(10);
+				break;
+			case 2:
+				color_attrib = S_028C74_TILE_MODE_INDEX(11);
+				break;
+			case 4:
+				color_attrib = S_028C74_TILE_MODE_INDEX(12);
+				break;
+			}
+			break;
+		} else switch (blocksize) {
+		case 1:
+			color_attrib = S_028C74_TILE_MODE_INDEX(14);
+			break;
+		case 2:
+			color_attrib = S_028C74_TILE_MODE_INDEX(15);
+			break;
+		case 4:
+			color_attrib = S_028C74_TILE_MODE_INDEX(16);
+			break;
+		case 8:
+			color_attrib = S_028C74_TILE_MODE_INDEX(17);
+			break;
+		default:
+			color_attrib = S_028C74_TILE_MODE_INDEX(13);
+		}
+		break;
+	}
+
+	desc = util_format_description(surf->base.format);
+	for (i = 0; i < 4; i++) {
+		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+			break;
+		}
+	}
+	if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) {
+		ntype = V_028C70_NUMBER_FLOAT;
+	} else {
+		ntype = V_028C70_NUMBER_UNORM;
+		if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
+			ntype = V_028C70_NUMBER_SRGB;
+		else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
+			if (desc->channel[i].normalized)
+				ntype = V_028C70_NUMBER_SNORM;
+			else if (desc->channel[i].pure_integer)
+				ntype = V_028C70_NUMBER_SINT;
+		} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
+			if (desc->channel[i].normalized)
+				ntype = V_028C70_NUMBER_UNORM;
+			else if (desc->channel[i].pure_integer)
+				ntype = V_028C70_NUMBER_UINT;
+		}
+	}
+
+	format = si_translate_colorformat(surf->base.format);
+	swap = si_translate_colorswap(surf->base.format);
+	if (rtex->resource.b.b.usage == PIPE_USAGE_STAGING) {
+		endian = V_028C70_ENDIAN_NONE;
+	} else {
+		endian = si_colorformat_endian_swap(format);
+	}
+
+	/* blend clamp should be set for all NORM/SRGB types */
+	if (ntype == V_028C70_NUMBER_UNORM ||
+	    ntype == V_028C70_NUMBER_SNORM ||
+	    ntype == V_028C70_NUMBER_SRGB)
+		blend_clamp = 1;
+
+	/* set blend bypass according to docs if SINT/UINT or
+	   8/24 COLOR variants */
+	if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT ||
+	    format == V_028C70_COLOR_8_24 || format == V_028C70_COLOR_24_8 ||
+	    format == V_028C70_COLOR_X24_8_32_FLOAT) {
+		blend_clamp = 0;
+		blend_bypass = 1;
+	}
+
+	color_info = S_028C70_FORMAT(format) |
+		S_028C70_COMP_SWAP(swap) |
+		S_028C70_BLEND_CLAMP(blend_clamp) |
+		S_028C70_BLEND_BYPASS(blend_bypass) |
+		S_028C70_NUMBER_TYPE(ntype) |
+		S_028C70_ENDIAN(endian);
+
+	rctx->alpha_ref_dirty = true;
+
+	offset += r600_resource_va(rctx->context.screen, state->cbufs[cb]->texture);
+	offset >>= 8;
+
+	/* FIXME handle enabling of CB beyond BASE8 which has different offset */
+	si_pm4_add_bo(pm4, &rtex->resource, RADEON_USAGE_READWRITE);
+	si_pm4_set_reg(pm4, R_028C60_CB_COLOR0_BASE + cb * 0x3C, offset);
+	si_pm4_set_reg(pm4, R_028C64_CB_COLOR0_PITCH + cb * 0x3C, S_028C64_TILE_MAX(pitch));
+	si_pm4_set_reg(pm4, R_028C68_CB_COLOR0_SLICE + cb * 0x3C, S_028C68_TILE_MAX(slice));
+
+	if (rtex->surface.level[level].mode < RADEON_SURF_MODE_1D) {
+		si_pm4_set_reg(pm4, R_028C6C_CB_COLOR0_VIEW + cb * 0x3C, 0x00000000);
+	} else {
+		si_pm4_set_reg(pm4, R_028C6C_CB_COLOR0_VIEW + cb * 0x3C,
+			       S_028C6C_SLICE_START(state->cbufs[cb]->u.tex.first_layer) |
+			       S_028C6C_SLICE_MAX(state->cbufs[cb]->u.tex.last_layer));
+	}
+	si_pm4_set_reg(pm4, R_028C70_CB_COLOR0_INFO + cb * 0x3C, color_info);
+	si_pm4_set_reg(pm4, R_028C74_CB_COLOR0_ATTRIB + cb * 0x3C, color_attrib);
+}
+
+static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
+		  const struct pipe_framebuffer_state *state)
+{
+	struct r600_resource_texture *rtex;
+	struct r600_surface *surf;
+	unsigned level, first_layer, pitch, slice, format;
+	uint32_t db_z_info, stencil_info;
+	uint64_t offset;
+
+	if (state->zsbuf == NULL) {
+		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
+		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
+		return;
+	}
+
+	surf = (struct r600_surface *)state->zsbuf;
+	level = surf->base.u.tex.level;
+	rtex = (struct r600_resource_texture*)surf->base.texture;
+
+	first_layer = surf->base.u.tex.first_layer;
+	format = si_translate_dbformat(rtex->real_format);
+
+	offset = r600_resource_va(rctx->context.screen, surf->base.texture);
+	offset += rtex->surface.level[level].offset;
+	pitch = (rtex->surface.level[level].nblk_x / 8) - 1;
+	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
+	if (slice) {
+		slice = slice - 1;
+	}
+	offset >>= 8;
+
+	si_pm4_add_bo(pm4, &rtex->resource, RADEON_USAGE_READWRITE);
+	si_pm4_set_reg(pm4, R_028048_DB_Z_READ_BASE, offset);
+	si_pm4_set_reg(pm4, R_028050_DB_Z_WRITE_BASE, offset);
+	si_pm4_set_reg(pm4, R_028008_DB_DEPTH_VIEW,
+		       S_028008_SLICE_START(state->zsbuf->u.tex.first_layer) |
+		       S_028008_SLICE_MAX(state->zsbuf->u.tex.last_layer));
+
+	db_z_info = S_028040_FORMAT(format);
+	stencil_info = S_028044_FORMAT(rtex->stencil != 0);
+
+	switch (format) {
+	case V_028040_Z_16:
+		db_z_info |= S_028040_TILE_MODE_INDEX(5);
+		stencil_info |= S_028044_TILE_MODE_INDEX(5);
+		break;
+	case V_028040_Z_24:
+	case V_028040_Z_32_FLOAT:
+		db_z_info |= S_028040_TILE_MODE_INDEX(6);
+		stencil_info |= S_028044_TILE_MODE_INDEX(6);
+		break;
+	default:
+		db_z_info |= S_028040_TILE_MODE_INDEX(7);
+		stencil_info |= S_028044_TILE_MODE_INDEX(7);
+	}
+
+	if (rtex->stencil) {
+		uint64_t stencil_offset =
+			r600_texture_get_offset(rtex->stencil, level, first_layer);
+
+		stencil_offset += r600_resource_va(rctx->context.screen, (void*)rtex->stencil);
+		stencil_offset >>= 8;
+
+		si_pm4_add_bo(pm4, &rtex->stencil->resource, RADEON_USAGE_READWRITE);
+		si_pm4_set_reg(pm4, R_02804C_DB_STENCIL_READ_BASE, stencil_offset);
+		si_pm4_set_reg(pm4, R_028054_DB_STENCIL_WRITE_BASE, stencil_offset);
+		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, stencil_info);
+	} else {
+		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
+	}
+
+	if (format != ~0U) {
+		si_pm4_set_reg(pm4, R_02803C_DB_DEPTH_INFO, 0x1);
+		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, db_z_info);
+		si_pm4_set_reg(pm4, R_028058_DB_DEPTH_SIZE, S_028058_PITCH_TILE_MAX(pitch));
+		si_pm4_set_reg(pm4, R_02805C_DB_DEPTH_SLICE, S_02805C_SLICE_TILE_MAX(slice));
+
+	} else {
+		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
+	}
+}
+
+static void si_set_framebuffer_state(struct pipe_context *ctx,
+				     const struct pipe_framebuffer_state *state)
+{
+	struct r600_context *rctx = (struct r600_context *)ctx;
+	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
+	uint32_t shader_mask, tl, br;
+	int tl_x, tl_y, br_x, br_y;
+
+	if (pm4 == NULL)
+		return;
+
+	si_pm4_inval_fb_cache(pm4, state->nr_cbufs);
+
+	if (state->zsbuf)
+		si_pm4_inval_zsbuf_cache(pm4);
+
+	util_copy_framebuffer_state(&rctx->framebuffer, state);
+
+	/* build states */
+	rctx->have_depth_fb = 0;
+	for (int i = 0; i < state->nr_cbufs; i++) {
+		si_cb(rctx, pm4, state, i);
+	}
+	si_db(rctx, pm4, state);
+
+	shader_mask = 0;
+	for (int i = 0; i < state->nr_cbufs; i++) {
+		shader_mask |= 0xf << (i * 4);
+	}
+	tl_x = 0;
+	tl_y = 0;
+	br_x = state->width;
+	br_y = state->height;
+#if 0 /* These shouldn't be necessary on SI, see PA_SC_ENHANCE register */
+	/* EG hw workaround */
+	if (br_x == 0)
+		tl_x = 1;
+	if (br_y == 0)
+		tl_y = 1;
+	/* cayman hw workaround */
+	if (rctx->chip_class == CAYMAN) {
+		if (br_x == 1 && br_y == 1)
+			br_x = 2;
+	}
+#endif
+	tl = S_028240_TL_X(tl_x) | S_028240_TL_Y(tl_y);
+	br = S_028244_BR_X(br_x) | S_028244_BR_Y(br_y);
+
+	si_pm4_set_reg(pm4, R_028240_PA_SC_GENERIC_SCISSOR_TL, tl);
+	si_pm4_set_reg(pm4, R_028244_PA_SC_GENERIC_SCISSOR_BR, br);
+	si_pm4_set_reg(pm4, R_028250_PA_SC_VPORT_SCISSOR_0_TL, tl);
+	si_pm4_set_reg(pm4, R_028254_PA_SC_VPORT_SCISSOR_0_BR, br);
+	si_pm4_set_reg(pm4, R_028030_PA_SC_SCREEN_SCISSOR_TL, tl);
+	si_pm4_set_reg(pm4, R_028034_PA_SC_SCREEN_SCISSOR_BR, br);
+	si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, tl);
+	si_pm4_set_reg(pm4, R_028208_PA_SC_WINDOW_SCISSOR_BR, br);
+	si_pm4_set_reg(pm4, R_028200_PA_SC_WINDOW_OFFSET, 0x00000000);
+	si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
+	si_pm4_set_reg(pm4, R_02823C_CB_SHADER_MASK, shader_mask);
+	si_pm4_set_reg(pm4, R_028BE0_PA_SC_AA_CONFIG, 0x00000000);
+
+	si_pm4_set_state(rctx, framebuffer, pm4);
+
+	if (state->zsbuf) {
+		cayman_polygon_offset_update(rctx);
+	}
+}
+
 void si_init_state_functions(struct r600_context *rctx)
 {
 	rctx->context.create_blend_state = si_create_blend_state;
@@ -275,4 +936,6 @@ void si_init_state_functions(struct r600_context *rctx)
 	rctx->context.set_clip_state = si_set_clip_state;
 	rctx->context.set_scissor_state = si_set_scissor_state;
 	rctx->context.set_viewport_state = si_set_viewport_state;
+
+	rctx->context.set_framebuffer_state = si_set_framebuffer_state;
 }