Prepare for BLT-based blitting path by moving RS-based
blitting to its own implementation file.
Signed-off-by: Wladimir J. van der Laan <laa...@gmail.com>
---
src/gallium/drivers/etnaviv/Makefile.sources | 1 +
src/gallium/drivers/etnaviv/etnaviv_clear_blit.c | 553 +------------------
src/gallium/drivers/etnaviv/etnaviv_clear_blit.h | 9 +
.../drivers/etnaviv/etnaviv_clear_blit_rs.c | 595 +++++++++++++++++++++
4 files changed, 610 insertions(+), 548 deletions(-)
create mode 100644 src/gallium/drivers/etnaviv/etnaviv_clear_blit_rs.c
diff --git a/src/gallium/drivers/etnaviv/Makefile.sources
b/src/gallium/drivers/etnaviv/Makefile.sources
index 3fab212..f4acaa2 100644
--- a/src/gallium/drivers/etnaviv/Makefile.sources
+++ b/src/gallium/drivers/etnaviv/Makefile.sources
@@ -13,6 +13,7 @@ C_SOURCES := \
etnaviv_blt.h \
etnaviv_clear_blit.c \
etnaviv_clear_blit.h \
+ etnaviv_clear_blit_rs.c \
etnaviv_compiler.c \
etnaviv_compiler.h \
etnaviv_context.c \
diff --git a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
index 878e3fd..faf8f39 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
@@ -30,7 +30,6 @@
#include "etnaviv_context.h"
#include "etnaviv_emit.h"
-#include "etnaviv_emit.h"
#include "etnaviv_format.h"
#include "etnaviv_resource.h"
#include "etnaviv_surface.h"
@@ -44,7 +43,7 @@
#include "util/u_surface.h"
/* Save current state for blitter operation */
-static void
+void
etna_blit_save_state(struct etna_context *ctx)
{
util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vertex_buffer.vb);
@@ -65,43 +64,8 @@ etna_blit_save_state(struct etna_context *ctx)
ctx->num_fragment_sampler_views, ctx->sampler_view);
}
-/* Generate clear command for a surface (non-fast clear case) */
-void
-etna_rs_gen_clear_surface(struct etna_context *ctx, struct etna_surface *surf,
- uint32_t clear_value)
-{
- struct etna_resource *dst = etna_resource(surf->base.texture);
- uint32_t format = translate_rs_format(surf->base.format);
-
- if (format == ETNA_NO_MATCH) {
- BUG("etna_rs_gen_clear_surface: Unhandled clear fmt %s",
util_format_name(surf->base.format));
- format = RS_FORMAT_A8R8G8B8;
- assert(0);
- }
-
- /* use tiled clear if width is multiple of 16 */
- bool tiled_clear = (surf->surf.padded_width & ETNA_RS_WIDTH_MASK) == 0 &&
- (surf->surf.padded_height & ETNA_RS_HEIGHT_MASK) == 0;
-
- etna_compile_rs_state( ctx, &surf->clear_command, &(struct rs_state) {
- .source_format = format,
- .dest_format = format,
- .dest = dst->bo,
- .dest_offset = surf->surf.offset,
- .dest_stride = surf->surf.stride,
- .dest_padded_height = surf->surf.padded_height,
- .dest_tiling = tiled_clear ? dst->layout : ETNA_LAYOUT_LINEAR,
- .dither = {0xffffffff, 0xffffffff},
- .width = surf->surf.padded_width, /* These must be padded to 16x4 if
!LINEAR, otherwise RS will hang */
- .height = surf->surf.padded_height,
- .clear_value = {clear_value},
- .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1,
- .clear_bits = 0xffff
- });
-}
-
-static inline uint32_t
-pack_rgba(enum pipe_format format, const float *rgba)
+uint32_t
+etna_clear_blit_pack_rgba(enum pipe_format format, const float *rgba)
{
union util_color uc;
util_pack_color(rgba, format, &uc);
@@ -112,152 +76,6 @@ pack_rgba(enum pipe_format format, const float *rgba)
}
static void
-etna_blit_clear_color(struct pipe_context *pctx, struct pipe_surface *dst,
- const union pipe_color_union *color)
-{
- struct etna_context *ctx = etna_context(pctx);
- struct etna_surface *surf = etna_surface(dst);
- uint32_t new_clear_value = pack_rgba(surf->base.format, color->f);
-
- if (surf->surf.ts_size) { /* TS: use precompiled clear command */
- ctx->framebuffer.TS_COLOR_CLEAR_VALUE = new_clear_value;
-
- if (VIV_FEATURE(ctx->screen, chipMinorFeatures1, AUTO_DISABLE)) {
- /* Set number of color tiles to be filled */
- etna_set_state(ctx->stream, VIVS_TS_COLOR_AUTO_DISABLE_COUNT,
- surf->surf.padded_width * surf->surf.padded_height /
16);
- ctx->framebuffer.TS_MEM_CONFIG |=
VIVS_TS_MEM_CONFIG_COLOR_AUTO_DISABLE;
- }
-
- surf->level->ts_valid = true;
- ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS;
- } else if (unlikely(new_clear_value != surf->level->clear_value)) { /*
Queue normal RS clear for non-TS surfaces */
- /* If clear color changed, re-generate stored command */
- etna_rs_gen_clear_surface(ctx, surf, new_clear_value);
- }
-
- etna_submit_rs_state(ctx, &surf->clear_command);
- surf->level->clear_value = new_clear_value;
- resource_written(ctx, surf->base.texture);
- etna_resource(surf->base.texture)->seqno++;
-}
-
-static void
-etna_blit_clear_zs(struct pipe_context *pctx, struct pipe_surface *dst,
- unsigned buffers, double depth, unsigned stencil)
-{
- struct etna_context *ctx = etna_context(pctx);
- struct etna_surface *surf = etna_surface(dst);
- uint32_t new_clear_value = translate_clear_depth_stencil(surf->base.format,
depth, stencil);
- uint32_t new_clear_bits = 0, clear_bits_depth, clear_bits_stencil;
-
- /* Get the channels to clear */
- switch (surf->base.format) {
- case PIPE_FORMAT_Z16_UNORM:
- clear_bits_depth = 0xffff;
- clear_bits_stencil = 0;
- break;
- case PIPE_FORMAT_X8Z24_UNORM:
- case PIPE_FORMAT_S8_UINT_Z24_UNORM:
- clear_bits_depth = 0xeeee;
- clear_bits_stencil = 0x1111;
- break;
- default:
- clear_bits_depth = clear_bits_stencil = 0xffff;
- break;
- }
-
- if (buffers & PIPE_CLEAR_DEPTH)
- new_clear_bits |= clear_bits_depth;
- if (buffers & PIPE_CLEAR_STENCIL)
- new_clear_bits |= clear_bits_stencil;
-
- /* FIXME: when tile status is enabled, this becomes more complex as
- * we may separately clear the depth from the stencil. In this case,
- * we want to resolve the surface, and avoid using the tile status.
- * We may be better off recording the pending clear operation,
- * delaying the actual clear to the first use. This way, we can merge
- * consecutive clears together. */
- if (surf->surf.ts_size) { /* TS: use precompiled clear command */
- /* Set new clear depth value */
- ctx->framebuffer.TS_DEPTH_CLEAR_VALUE = new_clear_value;
- if (VIV_FEATURE(ctx->screen, chipMinorFeatures1, AUTO_DISABLE)) {
- /* Set number of depth tiles to be filled */
- etna_set_state(ctx->stream, VIVS_TS_DEPTH_AUTO_DISABLE_COUNT,
- surf->surf.padded_width * surf->surf.padded_height /
16);
- ctx->framebuffer.TS_MEM_CONFIG |=
VIVS_TS_MEM_CONFIG_DEPTH_AUTO_DISABLE;
- }
-
- surf->level->ts_valid = true;
- ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS;
- } else {
- if (unlikely(new_clear_value != surf->level->clear_value)) { /* Queue
normal RS clear for non-TS surfaces */
- /* If clear depth value changed, re-generate stored command */
- etna_rs_gen_clear_surface(ctx, surf, new_clear_value);
- }
- /* Update the channels to be cleared */
- etna_modify_rs_clearbits(&surf->clear_command, new_clear_bits);
- }
-
- etna_submit_rs_state(ctx, &surf->clear_command);
- surf->level->clear_value = new_clear_value;
- resource_written(ctx, surf->base.texture);
- etna_resource(surf->base.texture)->seqno++;
-}
-
-static void
-etna_clear(struct pipe_context *pctx, unsigned buffers,
- const union pipe_color_union *color, double depth, unsigned stencil)
-{
- struct etna_context *ctx = etna_context(pctx);
-
- /* Flush color and depth cache before clearing anything.
- * This is especially important when coming from another surface, as
- * otherwise it may clear part of the old surface instead. */
- etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR
| VIVS_GL_FLUSH_CACHE_DEPTH);
- etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
-
- /* Preparation: Flush the TS if needed. This must be done after flushing
- * color and depth, otherwise it can result in crashes */
- bool need_ts_flush = false;
- if ((buffers & PIPE_CLEAR_COLOR) && ctx->framebuffer_s.nr_cbufs) {
- struct etna_surface *surf = etna_surface(ctx->framebuffer_s.cbufs[0]);
- if (surf->surf.ts_size)
- need_ts_flush = true;
- }
- if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf !=
NULL) {
- struct etna_surface *surf = etna_surface(ctx->framebuffer_s.zsbuf);
-
- if (surf->surf.ts_size)
- need_ts_flush = true;
- }
-
- if (need_ts_flush)
- etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE,
VIVS_TS_FLUSH_CACHE_FLUSH);
-
- /* No need to set up the TS here as RS clear operations (in contrast to
- * resolve and copy) do not require the TS state.
- */
- if (buffers & PIPE_CLEAR_COLOR) {
- for (int idx = 0; idx < ctx->framebuffer_s.nr_cbufs; ++idx) {
- etna_blit_clear_color(pctx, ctx->framebuffer_s.cbufs[idx],
- &color[idx]);
- }
- }
-
- /* Flush the color and depth caches before each RS clear operation
- * This fixes a hang on GC600. */
- if (buffers & PIPE_CLEAR_DEPTHSTENCIL && buffers & PIPE_CLEAR_COLOR)
- etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE,
- VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
-
- if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf != NULL)
- etna_blit_clear_zs(pctx, ctx->framebuffer_s.zsbuf, buffers, depth,
stencil);
-
- etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
-}
-
-static void
etna_clear_render_target(struct pipe_context *pctx, struct pipe_surface *dst,
const union pipe_color_union *color, unsigned dstx,
unsigned dsty, unsigned width, unsigned height,
@@ -316,367 +134,6 @@ etna_resource_copy_region(struct pipe_context *pctx,
struct pipe_resource *dst,
}
}
-static bool
-etna_manual_blit(struct etna_resource *dst, struct etna_resource_level
*dst_lev,
- unsigned int dst_offset, struct etna_resource *src,
- struct etna_resource_level *src_lev, unsigned int src_offset,
- const struct pipe_blit_info *blit_info)
-{
- void *smap, *srow, *dmap, *drow;
- size_t tile_size;
-
- assert(src->layout == ETNA_LAYOUT_TILED);
- assert(dst->layout == ETNA_LAYOUT_TILED);
- assert(src->base.nr_samples == 0);
- assert(dst->base.nr_samples == 0);
-
- tile_size = util_format_get_blocksize(blit_info->src.format) * 4 * 4;
-
- smap = etna_bo_map(src->bo);
- if (!smap)
- return false;
-
- dmap = etna_bo_map(dst->bo);
- if (!dmap)
- return false;
-
- srow = smap + src_offset;
- drow = dmap + dst_offset;
-
- etna_bo_cpu_prep(src->bo, DRM_ETNA_PREP_READ);
- etna_bo_cpu_prep(dst->bo, DRM_ETNA_PREP_WRITE);
-
- for (int y = 0; y < blit_info->src.box.height; y += 4) {
- memcpy(drow, srow, tile_size * blit_info->src.box.width);
- srow += src_lev->stride * 4;
- drow += dst_lev->stride * 4;
- }
-
- etna_bo_cpu_fini(dst->bo);
- etna_bo_cpu_fini(src->bo);
-
- return true;
-}
-
-static inline size_t
-etna_compute_tileoffset(const struct pipe_box *box, enum pipe_format format,
- size_t stride, enum etna_surface_layout layout)
-{
- size_t offset;
- unsigned int x = box->x, y = box->y;
- unsigned int blocksize = util_format_get_blocksize(format);
-
- switch (layout) {
- case ETNA_LAYOUT_LINEAR:
- offset = y * stride + x * blocksize;
- break;
- case ETNA_LAYOUT_MULTI_TILED:
- y >>= 1;
- /* fall-through */
- case ETNA_LAYOUT_TILED:
- assert(!(x & 0x03) && !(y & 0x03));
- offset = (y & ~0x03) * stride + blocksize * ((x & ~0x03) << 2);
- break;
- case ETNA_LAYOUT_MULTI_SUPERTILED:
- y >>= 1;
- /* fall-through */
- case ETNA_LAYOUT_SUPER_TILED:
- assert(!(x & 0x3f) && !(y & 0x3f));
- offset = (y & ~0x3f) * stride + blocksize * ((x & ~0x3f) << 6);
- break;
- default:
- unreachable("invalid resource layout");
- }
-
- return offset;
-}
-
-static inline void
-etna_get_rs_alignment_mask(const struct etna_context *ctx,
- const enum etna_surface_layout layout,
- unsigned int *width_mask, unsigned int *height_mask)
-{
- unsigned int h_align, w_align;
-
- if (layout & ETNA_LAYOUT_BIT_SUPER) {
- w_align = h_align = 64;
- } else {
- w_align = ETNA_RS_WIDTH_MASK + 1;
- h_align = ETNA_RS_HEIGHT_MASK + 1;
- }
-
- h_align *= ctx->screen->specs.pixel_pipes;
-
- *width_mask = w_align - 1;
- *height_mask = h_align -1;
-}
-
-static bool
-etna_try_rs_blit(struct pipe_context *pctx,
- const struct pipe_blit_info *blit_info)
-{
- struct etna_context *ctx = etna_context(pctx);
- struct etna_resource *src = etna_resource(blit_info->src.resource);
- struct etna_resource *dst = etna_resource(blit_info->dst.resource);
- struct compiled_rs_state copy_to_screen;
- uint32_t ts_mem_config = 0;
- int msaa_xscale = 1, msaa_yscale = 1;
-
- /* Ensure that the level is valid */
- assert(blit_info->src.level <= src->base.last_level);
- assert(blit_info->dst.level <= dst->base.last_level);
-
- if (!translate_samples_to_xyscale(src->base.nr_samples, &msaa_xscale,
&msaa_yscale, NULL))
- return FALSE;
-
- /* The width/height are in pixels; they do not change as a result of
- * multi-sampling. So, when blitting from a 4x multisampled surface
- * to a non-multisampled surface, the width and height will be
- * identical. As we do not support scaling, reject different sizes. */
- if (blit_info->dst.box.width != blit_info->src.box.width ||
- blit_info->dst.box.height != blit_info->src.box.height) {
- DBG("scaling requested: source %dx%d destination %dx%d",
- blit_info->src.box.width, blit_info->src.box.height,
- blit_info->dst.box.width, blit_info->dst.box.height);
- return FALSE;
- }
-
- /* No masks - RS can't copy specific channels */
- unsigned mask = util_format_get_mask(blit_info->dst.format);
- if ((blit_info->mask & mask) != mask) {
- DBG("sub-mask requested: 0x%02x vs format mask 0x%02x", blit_info->mask,
mask);
- return FALSE;
- }
-
- unsigned src_format = etna_compatible_rs_format(blit_info->src.format);
- unsigned dst_format = etna_compatible_rs_format(blit_info->dst.format);
- if (translate_rs_format(src_format) == ETNA_NO_MATCH ||
- translate_rs_format(dst_format) == ETNA_NO_MATCH ||
- blit_info->scissor_enable ||
- blit_info->dst.box.depth != blit_info->src.box.depth ||
- blit_info->dst.box.depth != 1) {
- return FALSE;
- }
-
- unsigned w_mask, h_mask;
-
- etna_get_rs_alignment_mask(ctx, src->layout, &w_mask, &h_mask);
- if ((blit_info->src.box.x & w_mask) || (blit_info->src.box.y & h_mask))
- return FALSE;
-
- etna_get_rs_alignment_mask(ctx, dst->layout, &w_mask, &h_mask);
- if ((blit_info->dst.box.x & w_mask) || (blit_info->dst.box.y & h_mask))
- return FALSE;
-
- /* Ensure that the Z coordinate is sane */
- if (dst->base.target != PIPE_TEXTURE_CUBE)
- assert(blit_info->dst.box.z == 0);
- if (src->base.target != PIPE_TEXTURE_CUBE)
- assert(blit_info->src.box.z == 0);
-
- assert(blit_info->src.box.z < src->base.array_size);
- assert(blit_info->dst.box.z < dst->base.array_size);
-
- struct etna_resource_level *src_lev = &src->levels[blit_info->src.level];
- struct etna_resource_level *dst_lev = &dst->levels[blit_info->dst.level];
-
- /* we may be given coordinates up to the padded width to avoid
- * any alignment issues with different tiling formats */
- assert((blit_info->src.box.x + blit_info->src.box.width) * msaa_xscale <=
src_lev->padded_width);
- assert((blit_info->src.box.y + blit_info->src.box.height) * msaa_yscale <=
src_lev->padded_height);
- assert(blit_info->dst.box.x + blit_info->dst.box.width <=
dst_lev->padded_width);
- assert(blit_info->dst.box.y + blit_info->dst.box.height <=
dst_lev->padded_height);
-
- unsigned src_offset = src_lev->offset +
- blit_info->src.box.z * src_lev->layer_stride +
- etna_compute_tileoffset(&blit_info->src.box,
- blit_info->src.format,
- src_lev->stride,
- src->layout);
- unsigned dst_offset = dst_lev->offset +
- blit_info->dst.box.z * dst_lev->layer_stride +
- etna_compute_tileoffset(&blit_info->dst.box,
- blit_info->dst.format,
- dst_lev->stride,
- dst->layout);
-
- if (src_lev->padded_width <= ETNA_RS_WIDTH_MASK ||
- dst_lev->padded_width <= ETNA_RS_WIDTH_MASK ||
- src_lev->padded_height <= ETNA_RS_HEIGHT_MASK ||
- dst_lev->padded_height <= ETNA_RS_HEIGHT_MASK)
- goto manual;
-
- /* If the width is not aligned to the RS width, but is within our
- * padding, adjust the width to suite the RS width restriction.
- * Note: the RS width/height are converted to source samples here. */
- unsigned int width = blit_info->src.box.width * msaa_xscale;
- unsigned int height = blit_info->src.box.height * msaa_yscale;
- unsigned int w_align = ETNA_RS_WIDTH_MASK + 1;
- unsigned int h_align = (ETNA_RS_HEIGHT_MASK + 1) * ctx->specs.pixel_pipes;
-
- if (width & (w_align - 1) && width >= src_lev->width * msaa_xscale && width
>= dst_lev->width)
- width = align(width, w_align);
-
- if (height & (h_align - 1) && height >= src_lev->height * msaa_yscale &&
height >= dst_lev->height)
- height = align(height, h_align);
-
- /* The padded dimensions are in samples */
- if (width > src_lev->padded_width ||
- width > dst_lev->padded_width * msaa_xscale ||
- height > src_lev->padded_height ||
- height > dst_lev->padded_height * msaa_yscale ||
- width & (w_align - 1) || height & (h_align - 1))
- goto manual;
-
- if (src->base.nr_samples > 1) {
- uint32_t msaa_format = translate_msaa_format(src_format);
- assert(msaa_format != ETNA_NO_MATCH);
- ts_mem_config |= VIVS_TS_MEM_CONFIG_COLOR_COMPRESSION | msaa_format;
- }
-
- /* Always flush color and depth cache together before resolving. This works
- * around artifacts that appear in some cases when scanning out a texture
- * directly after it has been rendered to, such as rendering an animated web
- * page in a QtWebEngine based WebView on GC2000. The artifacts look like
- * the texture sampler samples zeroes instead of texture data in a small,
- * irregular triangle in the lower right of each browser tile quad. Other
- * attempts to avoid these artifacts, including a pipeline stall before the
- * color flush or a TS cache flush afterwards, or flushing multiple times,
- * with stalls before and after each flush, have shown no effect. */
- if (src->base.bind & PIPE_BIND_RENDER_TARGET ||
- src->base.bind & PIPE_BIND_DEPTH_STENCIL) {
- etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE,
- VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
- etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
-
- if (src->levels[blit_info->src.level].ts_size &&
- src->levels[blit_info->src.level].ts_valid)
- etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE,
VIVS_TS_FLUSH_CACHE_FLUSH);
- }
-
- /* Set up color TS to source surface before blit, if needed */
- if (src->levels[blit_info->src.level].ts_size &&
- src->levels[blit_info->src.level].ts_valid) {
- struct etna_reloc reloc;
- unsigned ts_offset =
- src_lev->ts_offset + blit_info->src.box.z * src_lev->ts_layer_stride;
-
- etna_set_state(ctx->stream, VIVS_TS_MEM_CONFIG,
- VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR | ts_mem_config);
-
- memset(&reloc, 0, sizeof(struct etna_reloc));
- reloc.bo = src->ts_bo;
- reloc.offset = ts_offset;
- reloc.flags = ETNA_RELOC_READ;
- etna_set_state_reloc(ctx->stream, VIVS_TS_COLOR_STATUS_BASE, &reloc);
-
- memset(&reloc, 0, sizeof(struct etna_reloc));
- reloc.bo = src->bo;
- reloc.offset = src_lev->offset +
- blit_info->src.box.z * src_lev->layer_stride;
- reloc.flags = ETNA_RELOC_READ;
- etna_set_state_reloc(ctx->stream, VIVS_TS_COLOR_SURFACE_BASE, &reloc);
-
- etna_set_state(ctx->stream, VIVS_TS_COLOR_CLEAR_VALUE,
- src->levels[blit_info->src.level].clear_value);
- } else {
- etna_set_state(ctx->stream, VIVS_TS_MEM_CONFIG, ts_mem_config);
- }
- ctx->dirty |= ETNA_DIRTY_TS;
-
- /* Kick off RS here */
- etna_compile_rs_state(ctx, ©_to_screen, &(struct rs_state) {
- .source_format = translate_rs_format(src_format),
- .source_tiling = src->layout,
- .source = src->bo,
- .source_offset = src_offset,
- .source_stride = src_lev->stride,
- .source_padded_width = src_lev->padded_width,
- .source_padded_height = src_lev->padded_height,
- .dest_format = translate_rs_format(dst_format),
- .dest_tiling = dst->layout,
- .dest = dst->bo,
- .dest_offset = dst_offset,
- .dest_stride = dst_lev->stride,
- .dest_padded_height = dst_lev->padded_height,
- .downsample_x = msaa_xscale > 1,
- .downsample_y = msaa_yscale > 1,
- .swap_rb = translate_rb_src_dst_swap(src->base.format, dst->base.format),
- .dither = {0xffffffff, 0xffffffff}, // XXX dither when going from 24 to
16 bit?
- .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_DISABLED,
- .width = width,
- .height = height
- });
-
- etna_submit_rs_state(ctx, ©_to_screen);
- resource_written(ctx, &dst->base);
- dst->seqno++;
- dst->levels[blit_info->dst.level].ts_valid = false;
- ctx->dirty |= ETNA_DIRTY_DERIVE_TS;
-
- return TRUE;
-
-manual:
- if (src->layout == ETNA_LAYOUT_TILED && dst->layout == ETNA_LAYOUT_TILED) {
- if ((src->status & ETNA_PENDING_WRITE) ||
- (dst->status & ETNA_PENDING_WRITE))
- pctx->flush(pctx, NULL, 0);
- return etna_manual_blit(dst, dst_lev, dst_offset, src, src_lev,
src_offset, blit_info);
- }
-
- return FALSE;
-}
-
-static void
-etna_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
-{
- /* This is a more extended version of resource_copy_region */
- /* TODO Some cases can be handled by RS; if not, fall back to rendering or
- * even CPU copy block of pixels from info->src to info->dst
- * (resource, level, box, format);
- * function is used for scaling, flipping in x and y direction (negative
- * width/height), format conversion, mask and filter and even a scissor
rectangle
- *
- * What can the RS do for us:
- * convert between tiling formats (layouts)
- * downsample 2x in x and y
- * convert between a limited number of pixel formats
- *
- * For the rest, fall back to util_blitter
- * XXX this goes wrong when source surface is supertiled. */
- struct etna_context *ctx = etna_context(pctx);
- struct pipe_blit_info info = *blit_info;
-
- if (info.src.resource->nr_samples > 1 &&
- info.dst.resource->nr_samples <= 1 &&
- !util_format_is_depth_or_stencil(info.src.resource->format) &&
- !util_format_is_pure_integer(info.src.resource->format)) {
- DBG("color resolve unimplemented");
- return;
- }
-
- if (etna_try_rs_blit(pctx, blit_info))
- return;
-
- if (util_try_blit_via_copy_region(pctx, blit_info))
- return;
-
- if (info.mask & PIPE_MASK_S) {
- DBG("cannot blit stencil, skipping");
- info.mask &= ~PIPE_MASK_S;
- }
-
- if (!util_blitter_is_blit_supported(ctx->blitter, &info)) {
- DBG("blit unsupported %s -> %s",
- util_format_short_name(info.src.resource->format),
- util_format_short_name(info.dst.resource->format));
- return;
- }
-
- etna_blit_save_state(ctx);
- util_blitter_blit(ctx->blitter, &info);
-}
-
static void
etna_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
{
@@ -758,10 +215,10 @@ etna_copy_resource_box(struct pipe_context *pctx, struct
pipe_resource *dst,
void
etna_clear_blit_init(struct pipe_context *pctx)
{
- pctx->clear = etna_clear;
pctx->clear_render_target = etna_clear_render_target;
pctx->clear_depth_stencil = etna_clear_depth_stencil;
pctx->resource_copy_region = etna_resource_copy_region;
- pctx->blit = etna_blit;
pctx->flush_resource = etna_flush_resource;
+
+ etna_clear_blit_rs_init(pctx);
}
diff --git a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
index 9bba623..7f84d2e 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
+++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
@@ -48,6 +48,15 @@ etna_copy_resource_box(struct pipe_context *pctx, struct
pipe_resource *dst,
struct pipe_box *box);
void
+etna_blit_save_state(struct etna_context *ctx);
+
+uint32_t
+etna_clear_blit_pack_rgba(enum pipe_format format, const float *rgba);
+
+void
etna_clear_blit_init(struct pipe_context *pctx);
+void
+etna_clear_blit_rs_init(struct pipe_context *pctx);
+
#endif
diff --git a/src/gallium/drivers/etnaviv/etnaviv_clear_blit_rs.c
b/src/gallium/drivers/etnaviv/etnaviv_clear_blit_rs.c
new file mode 100644
index 0000000..c3cc394
--- /dev/null
+++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit_rs.c
@@ -0,0 +1,595 @@
+/*
+ * Copyright (c) 2012-2015 Etnaviv Project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Wladimir J. van der Laan <laa...@gmail.com>
+ */
+
+#include "etnaviv_clear_blit.h"
+
+#include "hw/common.xml.h"
+
+#include "etnaviv_context.h"
+#include "etnaviv_emit.h"
+#include "etnaviv_format.h"
+#include "etnaviv_resource.h"
+#include "etnaviv_surface.h"
+#include "etnaviv_translate.h"
+
+#include "pipe/p_defines.h"
+#include "pipe/p_state.h"
+#include "util/u_blitter.h"
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_surface.h"
+
+/* Generate clear command for a surface (non-fast clear case) */
+void
+etna_rs_gen_clear_surface(struct etna_context *ctx, struct etna_surface *surf,
+ uint32_t clear_value)
+{
+ struct etna_resource *dst = etna_resource(surf->base.texture);
+ uint32_t format = translate_rs_format(surf->base.format);
+
+ if (format == ETNA_NO_MATCH) {
+ BUG("etna_rs_gen_clear_surface: Unhandled clear fmt %s",
util_format_name(surf->base.format));
+ format = RS_FORMAT_A8R8G8B8;
+ assert(0);
+ }
+
+ /* use tiled clear if width is multiple of 16 */
+ bool tiled_clear = (surf->surf.padded_width & ETNA_RS_WIDTH_MASK) == 0 &&
+ (surf->surf.padded_height & ETNA_RS_HEIGHT_MASK) == 0;
+
+ etna_compile_rs_state( ctx, &surf->clear_command, &(struct rs_state) {
+ .source_format = format,
+ .dest_format = format,
+ .dest = dst->bo,
+ .dest_offset = surf->surf.offset,
+ .dest_stride = surf->surf.stride,
+ .dest_padded_height = surf->surf.padded_height,
+ .dest_tiling = tiled_clear ? dst->layout : ETNA_LAYOUT_LINEAR,
+ .dither = {0xffffffff, 0xffffffff},
+ .width = surf->surf.padded_width, /* These must be padded to 16x4 if
!LINEAR, otherwise RS will hang */
+ .height = surf->surf.padded_height,
+ .clear_value = {clear_value},
+ .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1,
+ .clear_bits = 0xffff
+ });
+}
+
+static void
+etna_blit_clear_color_rs(struct pipe_context *pctx, struct pipe_surface *dst,
+ const union pipe_color_union *color)
+{
+ struct etna_context *ctx = etna_context(pctx);
+ struct etna_surface *surf = etna_surface(dst);
+ uint32_t new_clear_value = etna_clear_blit_pack_rgba(surf->base.format,
color->f);
+
+ if (surf->surf.ts_size) { /* TS: use precompiled clear command */
+ ctx->framebuffer.TS_COLOR_CLEAR_VALUE = new_clear_value;
+
+ if (VIV_FEATURE(ctx->screen, chipMinorFeatures1, AUTO_DISABLE)) {
+ /* Set number of color tiles to be filled */
+ etna_set_state(ctx->stream, VIVS_TS_COLOR_AUTO_DISABLE_COUNT,
+ surf->surf.padded_width * surf->surf.padded_height /
16);
+ ctx->framebuffer.TS_MEM_CONFIG |=
VIVS_TS_MEM_CONFIG_COLOR_AUTO_DISABLE;
+ }
+
+ surf->level->ts_valid = true;
+ ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS;
+ } else if (unlikely(new_clear_value != surf->level->clear_value)) { /*
Queue normal RS clear for non-TS surfaces */
+ /* If clear color changed, re-generate stored command */
+ etna_rs_gen_clear_surface(ctx, surf, new_clear_value);
+ }
+
+ etna_submit_rs_state(ctx, &surf->clear_command);
+
+ surf->level->clear_value = new_clear_value;
+ resource_written(ctx, surf->base.texture);
+ etna_resource(surf->base.texture)->seqno++;
+}
+
+static void
+etna_blit_clear_zs_rs(struct pipe_context *pctx, struct pipe_surface *dst,
+ unsigned buffers, double depth, unsigned stencil)
+{
+ struct etna_context *ctx = etna_context(pctx);
+ struct etna_surface *surf = etna_surface(dst);
+ uint32_t new_clear_value = translate_clear_depth_stencil(surf->base.format,
depth, stencil);
+ uint32_t new_clear_bits = 0, clear_bits_depth, clear_bits_stencil;
+
+ /* Get the channels to clear */
+ switch (surf->base.format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ clear_bits_depth = 0xffff;
+ clear_bits_stencil = 0;
+ break;
+ case PIPE_FORMAT_X8Z24_UNORM:
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+ clear_bits_depth = 0xeeee;
+ clear_bits_stencil = 0x1111;
+ break;
+ default:
+ clear_bits_depth = clear_bits_stencil = 0xffff;
+ break;
+ }
+
+ if (buffers & PIPE_CLEAR_DEPTH)
+ new_clear_bits |= clear_bits_depth;
+ if (buffers & PIPE_CLEAR_STENCIL)
+ new_clear_bits |= clear_bits_stencil;
+ /* FIXME: when tile status is enabled, this becomes more complex as
+ * we may separately clear the depth from the stencil. In this case,
+ * we want to resolve the surface, and avoid using the tile status.
+ * We may be better off recording the pending clear operation,
+ * delaying the actual clear to the first use. This way, we can merge
+ * consecutive clears together. */
+ if (surf->surf.ts_size) { /* TS: use precompiled clear command */
+ /* Set new clear depth value */
+ ctx->framebuffer.TS_DEPTH_CLEAR_VALUE = new_clear_value;
+ if (VIV_FEATURE(ctx->screen, chipMinorFeatures1, AUTO_DISABLE)) {
+ /* Set number of depth tiles to be filled */
+ etna_set_state(ctx->stream, VIVS_TS_DEPTH_AUTO_DISABLE_COUNT,
+ surf->surf.padded_width * surf->surf.padded_height /
16);
+ ctx->framebuffer.TS_MEM_CONFIG |=
VIVS_TS_MEM_CONFIG_DEPTH_AUTO_DISABLE;
+ }
+
+ surf->level->ts_valid = true;
+ ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS;
+ } else {
+ if (unlikely(new_clear_value != surf->level->clear_value)) { /* Queue
normal RS clear for non-TS surfaces */
+ /* If clear depth value changed, re-generate stored command */
+ etna_rs_gen_clear_surface(ctx, surf, new_clear_value);
+ }
+ /* Update the channels to be cleared */
+ etna_modify_rs_clearbits(&surf->clear_command, new_clear_bits);
+ }
+
+ etna_submit_rs_state(ctx, &surf->clear_command);
+
+ surf->level->clear_value = new_clear_value;
+ resource_written(ctx, surf->base.texture);
+ etna_resource(surf->base.texture)->seqno++;
+}
+
+static void
+etna_clear_rs(struct pipe_context *pctx, unsigned buffers,
+ const union pipe_color_union *color, double depth, unsigned stencil)
+{
+ struct etna_context *ctx = etna_context(pctx);
+
+ /* Flush color and depth cache before clearing anything.
+ * This is especially important when coming from another surface, as
+ * otherwise it may clear part of the old surface instead. */
+ etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR
| VIVS_GL_FLUSH_CACHE_DEPTH);
+ etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
+
+ /* Preparation: Flush the TS if needed. This must be done after flushing
+ * color and depth, otherwise it can result in crashes */
+ bool need_ts_flush = false;
+ if ((buffers & PIPE_CLEAR_COLOR) && ctx->framebuffer_s.nr_cbufs) {
+ struct etna_surface *surf = etna_surface(ctx->framebuffer_s.cbufs[0]);
+ if (surf->surf.ts_size)
+ need_ts_flush = true;
+ }
+ if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf !=
NULL) {
+ struct etna_surface *surf = etna_surface(ctx->framebuffer_s.zsbuf);
+
+ if (surf->surf.ts_size)
+ need_ts_flush = true;
+ }
+
+ if (need_ts_flush)
+ etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE,
VIVS_TS_FLUSH_CACHE_FLUSH);
+
+ /* No need to set up the TS here as RS clear operations (in contrast to
+ * resolve and copy) do not require the TS state.
+ */
+ if (buffers & PIPE_CLEAR_COLOR) {
+ for (int idx = 0; idx < ctx->framebuffer_s.nr_cbufs; ++idx) {
+ etna_blit_clear_color_rs(pctx, ctx->framebuffer_s.cbufs[idx],
+ &color[idx]);
+ }
+ }
+
+ /* Flush the color and depth caches before each RS clear operation
+ * This fixes a hang on GC600. */
+ if (buffers & PIPE_CLEAR_DEPTHSTENCIL && buffers & PIPE_CLEAR_COLOR)
+ etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE,
+ VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
+
+ if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf != NULL)
+ etna_blit_clear_zs_rs(pctx, ctx->framebuffer_s.zsbuf, buffers, depth,
stencil);
+
+ etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
+}
+
+static bool
+etna_manual_blit(struct etna_resource *dst, struct etna_resource_level
*dst_lev,
+ unsigned int dst_offset, struct etna_resource *src,
+ struct etna_resource_level *src_lev, unsigned int src_offset,
+ const struct pipe_blit_info *blit_info)
+{
+ void *smap, *srow, *dmap, *drow;
+ size_t tile_size;
+
+ assert(src->layout == ETNA_LAYOUT_TILED);
+ assert(dst->layout == ETNA_LAYOUT_TILED);
+ assert(src->base.nr_samples == 0);
+ assert(dst->base.nr_samples == 0);
+
+ tile_size = util_format_get_blocksize(blit_info->src.format) * 4 * 4;
+
+ smap = etna_bo_map(src->bo);
+ if (!smap)
+ return false;
+
+ dmap = etna_bo_map(dst->bo);
+ if (!dmap)
+ return false;
+
+ srow = smap + src_offset;
+ drow = dmap + dst_offset;
+
+ etna_bo_cpu_prep(src->bo, DRM_ETNA_PREP_READ);
+ etna_bo_cpu_prep(dst->bo, DRM_ETNA_PREP_WRITE);
+
+ for (int y = 0; y < blit_info->src.box.height; y += 4) {
+ memcpy(drow, srow, tile_size * blit_info->src.box.width);
+ srow += src_lev->stride * 4;
+ drow += dst_lev->stride * 4;
+ }
+
+ etna_bo_cpu_fini(dst->bo);
+ etna_bo_cpu_fini(src->bo);
+
+ return true;
+}
+
+static inline size_t
+etna_compute_tileoffset(const struct pipe_box *box, enum pipe_format format,
+ size_t stride, enum etna_surface_layout layout)
+{
+ size_t offset;
+ unsigned int x = box->x, y = box->y;
+ unsigned int blocksize = util_format_get_blocksize(format);
+
+ switch (layout) {
+ case ETNA_LAYOUT_LINEAR:
+ offset = y * stride + x * blocksize;
+ break;
+ case ETNA_LAYOUT_MULTI_TILED:
+ y >>= 1;
+ /* fall-through */
+ case ETNA_LAYOUT_TILED:
+ assert(!(x & 0x03) && !(y & 0x03));
+ offset = (y & ~0x03) * stride + blocksize * ((x & ~0x03) << 2);
+ break;
+ case ETNA_LAYOUT_MULTI_SUPERTILED:
+ y >>= 1;
+ /* fall-through */
+ case ETNA_LAYOUT_SUPER_TILED:
+ assert(!(x & 0x3f) && !(y & 0x3f));
+ offset = (y & ~0x3f) * stride + blocksize * ((x & ~0x3f) << 6);
+ break;
+ default:
+ unreachable("invalid resource layout");
+ }
+
+ return offset;
+}
+
+static inline void
+etna_get_rs_alignment_mask(const struct etna_context *ctx,
+ const enum etna_surface_layout layout,
+ unsigned int *width_mask, unsigned int *height_mask)
+{
+ unsigned int h_align, w_align;
+
+ if (layout & ETNA_LAYOUT_BIT_SUPER) {
+ w_align = h_align = 64;
+ } else {
+ w_align = ETNA_RS_WIDTH_MASK + 1;
+ h_align = ETNA_RS_HEIGHT_MASK + 1;
+ }
+
+ h_align *= ctx->screen->specs.pixel_pipes;
+
+ *width_mask = w_align - 1;
+ *height_mask = h_align -1;
+}
+
+static bool
+etna_try_rs_blit(struct pipe_context *pctx,
+ const struct pipe_blit_info *blit_info)
+{
+ struct etna_context *ctx = etna_context(pctx);
+ struct etna_resource *src = etna_resource(blit_info->src.resource);
+ struct etna_resource *dst = etna_resource(blit_info->dst.resource);
+ struct compiled_rs_state copy_to_screen;
+ uint32_t ts_mem_config = 0;
+ int msaa_xscale = 1, msaa_yscale = 1;
+
+ /* Ensure that the level is valid */
+ assert(blit_info->src.level <= src->base.last_level);
+ assert(blit_info->dst.level <= dst->base.last_level);
+
+ if (!translate_samples_to_xyscale(src->base.nr_samples, &msaa_xscale,
&msaa_yscale, NULL))
+ return FALSE;
+
+ /* The width/height are in pixels; they do not change as a result of
+ * multi-sampling. So, when blitting from a 4x multisampled surface
+ * to a non-multisampled surface, the width and height will be
+ * identical. As we do not support scaling, reject different sizes. */
+ if (blit_info->dst.box.width != blit_info->src.box.width ||
+ blit_info->dst.box.height != blit_info->src.box.height) {
+ DBG("scaling requested: source %dx%d destination %dx%d",
+ blit_info->src.box.width, blit_info->src.box.height,
+ blit_info->dst.box.width, blit_info->dst.box.height);
+ return FALSE;
+ }
+
+ /* No masks - RS can't copy specific channels */
+ unsigned mask = util_format_get_mask(blit_info->dst.format);
+ if ((blit_info->mask & mask) != mask) {
+ DBG("sub-mask requested: 0x%02x vs format mask 0x%02x", blit_info->mask,
mask);
+ return FALSE;
+ }
+
+ unsigned src_format = etna_compatible_rs_format(blit_info->src.format);
+ unsigned dst_format = etna_compatible_rs_format(blit_info->dst.format);
+ if (translate_rs_format(src_format) == ETNA_NO_MATCH ||
+ translate_rs_format(dst_format) == ETNA_NO_MATCH ||
+ blit_info->scissor_enable ||
+ blit_info->dst.box.depth != blit_info->src.box.depth ||
+ blit_info->dst.box.depth != 1) {
+ return FALSE;
+ }
+
+ unsigned w_mask, h_mask;
+
+ etna_get_rs_alignment_mask(ctx, src->layout, &w_mask, &h_mask);
+ if ((blit_info->src.box.x & w_mask) || (blit_info->src.box.y & h_mask))
+ return FALSE;
+
+ etna_get_rs_alignment_mask(ctx, dst->layout, &w_mask, &h_mask);
+ if ((blit_info->dst.box.x & w_mask) || (blit_info->dst.box.y & h_mask))
+ return FALSE;
+
+ /* Ensure that the Z coordinate is sane */
+ if (dst->base.target != PIPE_TEXTURE_CUBE)
+ assert(blit_info->dst.box.z == 0);
+ if (src->base.target != PIPE_TEXTURE_CUBE)
+ assert(blit_info->src.box.z == 0);
+
+ assert(blit_info->src.box.z < src->base.array_size);
+ assert(blit_info->dst.box.z < dst->base.array_size);
+
+ struct etna_resource_level *src_lev = &src->levels[blit_info->src.level];
+ struct etna_resource_level *dst_lev = &dst->levels[blit_info->dst.level];
+
+ /* we may be given coordinates up to the padded width to avoid
+ * any alignment issues with different tiling formats */
+ assert((blit_info->src.box.x + blit_info->src.box.width) * msaa_xscale <=
src_lev->padded_width);
+ assert((blit_info->src.box.y + blit_info->src.box.height) * msaa_yscale <=
src_lev->padded_height);
+ assert(blit_info->dst.box.x + blit_info->dst.box.width <=
dst_lev->padded_width);
+ assert(blit_info->dst.box.y + blit_info->dst.box.height <=
dst_lev->padded_height);
+
+ unsigned src_offset = src_lev->offset +
+ blit_info->src.box.z * src_lev->layer_stride +
+ etna_compute_tileoffset(&blit_info->src.box,
+ blit_info->src.format,
+ src_lev->stride,
+ src->layout);
+ unsigned dst_offset = dst_lev->offset +
+ blit_info->dst.box.z * dst_lev->layer_stride +
+ etna_compute_tileoffset(&blit_info->dst.box,
+ blit_info->dst.format,
+ dst_lev->stride,
+ dst->layout);
+
+ if (src_lev->padded_width <= ETNA_RS_WIDTH_MASK ||
+ dst_lev->padded_width <= ETNA_RS_WIDTH_MASK ||
+ src_lev->padded_height <= ETNA_RS_HEIGHT_MASK ||
+ dst_lev->padded_height <= ETNA_RS_HEIGHT_MASK)
+ goto manual;
+
+ /* If the width is not aligned to the RS width, but is within our
+ * padding, adjust the width to suite the RS width restriction.
+ * Note: the RS width/height are converted to source samples here. */
+ unsigned int width = blit_info->src.box.width * msaa_xscale;
+ unsigned int height = blit_info->src.box.height * msaa_yscale;
+ unsigned int w_align = ETNA_RS_WIDTH_MASK + 1;
+ unsigned int h_align = (ETNA_RS_HEIGHT_MASK + 1) * ctx->specs.pixel_pipes;
+
+ if (width & (w_align - 1) && width >= src_lev->width * msaa_xscale && width
>= dst_lev->width)
+ width = align(width, w_align);
+
+ if (height & (h_align - 1) && height >= src_lev->height * msaa_yscale &&
height >= dst_lev->height)
+ height = align(height, h_align);
+
+ /* The padded dimensions are in samples */
+ if (width > src_lev->padded_width ||
+ width > dst_lev->padded_width * msaa_xscale ||
+ height > src_lev->padded_height ||
+ height > dst_lev->padded_height * msaa_yscale ||
+ width & (w_align - 1) || height & (h_align - 1))
+ goto manual;
+
+ if (src->base.nr_samples > 1) {
+ uint32_t msaa_format = translate_msaa_format(src_format);
+ assert(msaa_format != ETNA_NO_MATCH);
+ ts_mem_config |= VIVS_TS_MEM_CONFIG_COLOR_COMPRESSION | msaa_format;
+ }
+
+ /* Always flush color and depth cache together before resolving. This works
+ * around artifacts that appear in some cases when scanning out a texture
+ * directly after it has been rendered to, such as rendering an animated web
+ * page in a QtWebEngine based WebView on GC2000. The artifacts look like
+ * the texture sampler samples zeroes instead of texture data in a small,
+ * irregular triangle in the lower right of each browser tile quad. Other
+ * attempts to avoid these artifacts, including a pipeline stall before the
+ * color flush or a TS cache flush afterwards, or flushing multiple times,
+ * with stalls before and after each flush, have shown no effect. */
+ if (src->base.bind & PIPE_BIND_RENDER_TARGET ||
+ src->base.bind & PIPE_BIND_DEPTH_STENCIL) {
+ etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE,
+ VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
+ etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
+
+ if (src->levels[blit_info->src.level].ts_size &&
+ src->levels[blit_info->src.level].ts_valid)
+ etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE,
VIVS_TS_FLUSH_CACHE_FLUSH);
+ }
+
+ /* Set up color TS to source surface before blit, if needed */
+ if (src->levels[blit_info->src.level].ts_size &&
+ src->levels[blit_info->src.level].ts_valid) {
+ struct etna_reloc reloc;
+ unsigned ts_offset =
+ src_lev->ts_offset + blit_info->src.box.z * src_lev->ts_layer_stride;
+
+ etna_set_state(ctx->stream, VIVS_TS_MEM_CONFIG,
+ VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR | ts_mem_config);
+
+ memset(&reloc, 0, sizeof(struct etna_reloc));
+ reloc.bo = src->ts_bo;
+ reloc.offset = ts_offset;
+ reloc.flags = ETNA_RELOC_READ;
+ etna_set_state_reloc(ctx->stream, VIVS_TS_COLOR_STATUS_BASE, &reloc);
+
+ memset(&reloc, 0, sizeof(struct etna_reloc));
+ reloc.bo = src->bo;
+ reloc.offset = src_lev->offset +
+ blit_info->src.box.z * src_lev->layer_stride;
+ reloc.flags = ETNA_RELOC_READ;
+ etna_set_state_reloc(ctx->stream, VIVS_TS_COLOR_SURFACE_BASE, &reloc);
+
+ etna_set_state(ctx->stream, VIVS_TS_COLOR_CLEAR_VALUE,
+ src->levels[blit_info->src.level].clear_value);
+ } else {
+ etna_set_state(ctx->stream, VIVS_TS_MEM_CONFIG, ts_mem_config);
+ }
+ ctx->dirty |= ETNA_DIRTY_TS;
+
+ /* Kick off RS here */
+ etna_compile_rs_state(ctx, ©_to_screen, &(struct rs_state) {
+ .source_format = translate_rs_format(src_format),
+ .source_tiling = src->layout,
+ .source = src->bo,
+ .source_offset = src_offset,
+ .source_stride = src_lev->stride,
+ .source_padded_width = src_lev->padded_width,
+ .source_padded_height = src_lev->padded_height,
+ .dest_format = translate_rs_format(dst_format),
+ .dest_tiling = dst->layout,
+ .dest = dst->bo,
+ .dest_offset = dst_offset,
+ .dest_stride = dst_lev->stride,
+ .dest_padded_height = dst_lev->padded_height,
+ .downsample_x = msaa_xscale > 1,
+ .downsample_y = msaa_yscale > 1,
+ .swap_rb = translate_rb_src_dst_swap(src->base.format, dst->base.format),
+ .dither = {0xffffffff, 0xffffffff}, // XXX dither when going from 24 to
16 bit?
+ .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_DISABLED,
+ .width = width,
+ .height = height
+ });
+
+ etna_submit_rs_state(ctx, ©_to_screen);
+ resource_written(ctx, &dst->base);
+ dst->seqno++;
+ dst->levels[blit_info->dst.level].ts_valid = false;
+ ctx->dirty |= ETNA_DIRTY_DERIVE_TS;
+
+ return TRUE;
+
+manual:
+ if (src->layout == ETNA_LAYOUT_TILED && dst->layout == ETNA_LAYOUT_TILED) {
+ if ((src->status & ETNA_PENDING_WRITE) ||
+ (dst->status & ETNA_PENDING_WRITE))
+ pctx->flush(pctx, NULL, 0);
+ return etna_manual_blit(dst, dst_lev, dst_offset, src, src_lev,
src_offset, blit_info);
+ }
+
+ return FALSE;
+}
+
+static void
+etna_blit_rs(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
+{
+ /* This is a more extended version of resource_copy_region */
+ /* TODO Some cases can be handled by RS; if not, fall back to rendering or
+ * even CPU copy block of pixels from info->src to info->dst
+ * (resource, level, box, format);
+ * function is used for scaling, flipping in x and y direction (negative
+ * width/height), format conversion, mask and filter and even a scissor
rectangle
+ *
+ * What can the RS do for us:
+ * convert between tiling formats (layouts)
+ * downsample 2x in x and y
+ * convert between a limited number of pixel formats
+ *
+ * For the rest, fall back to util_blitter
+ * XXX this goes wrong when source surface is supertiled. */
+ struct etna_context *ctx = etna_context(pctx);
+ struct pipe_blit_info info = *blit_info;
+
+ if (info.src.resource->nr_samples > 1 &&
+ info.dst.resource->nr_samples <= 1 &&
+ !util_format_is_depth_or_stencil(info.src.resource->format) &&
+ !util_format_is_pure_integer(info.src.resource->format)) {
+ DBG("color resolve unimplemented");
+ return;
+ }
+
+ if (etna_try_rs_blit(pctx, blit_info))
+ return;
+
+ if (util_try_blit_via_copy_region(pctx, blit_info))
+ return;
+
+ if (info.mask & PIPE_MASK_S) {
+ DBG("cannot blit stencil, skipping");
+ info.mask &= ~PIPE_MASK_S;
+ }
+
+ if (!util_blitter_is_blit_supported(ctx->blitter, &info)) {
+ DBG("blit unsupported %s -> %s",
+ util_format_short_name(info.src.resource->format),
+ util_format_short_name(info.dst.resource->format));
+ return;
+ }
+
+ etna_blit_save_state(ctx);
+ util_blitter_blit(ctx->blitter, &info);
+}
+
+void
+etna_clear_blit_rs_init(struct pipe_context *pctx)
+{
+ DBG("etnaviv: Using RS blit engine\n");
+ pctx->clear = etna_clear_rs;
+ pctx->blit = etna_blit_rs;
+}
+
--
2.7.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
