src/gallium/drivers/etnaviv/etnaviv_clear_blit.c - platform/external/mesa3d - Git at Google

 /*
  * 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 <laanwj@gmail.com>
  */

 #include "etnaviv_clear_blit.h"

 #include "hw/common.xml.h"

 #include "etnaviv_blt.h"
 #include "etnaviv_context.h"
 #include "etnaviv_emit.h"
 #include "etnaviv_format.h"
 #include "etnaviv_resource.h"
 #include "etnaviv_rs.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"

 /* Save current state for blitter operation */
 void
 etna_blit_save_state(struct etna_context *ctx)
 {
    util_blitter_save_fragment_constant_buffer_slot(ctx->blitter,
                                                    ctx->constant_buffer[PIPE_SHADER_FRAGMENT].cb);
    util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vertex_buffer.vb);
    util_blitter_save_vertex_elements(ctx->blitter, ctx->vertex_elements);
    util_blitter_save_vertex_shader(ctx->blitter, ctx->shader.bind_vs);
    util_blitter_save_rasterizer(ctx->blitter, ctx->rasterizer);
    util_blitter_save_viewport(ctx->blitter, &ctx->viewport_s);
    util_blitter_save_scissor(ctx->blitter, &ctx->scissor);
    util_blitter_save_fragment_shader(ctx->blitter, ctx->shader.bind_fs);
    util_blitter_save_blend(ctx->blitter, ctx->blend);
    util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->zsa);
    util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref_s);
    util_blitter_save_sample_mask(ctx->blitter, ctx->sample_mask);
    util_blitter_save_framebuffer(ctx->blitter, &ctx->framebuffer_s);
    util_blitter_save_fragment_sampler_states(ctx->blitter,
          ctx->num_fragment_samplers, (void **)ctx->sampler);
    util_blitter_save_fragment_sampler_views(ctx->blitter,
          ctx->num_fragment_sampler_views, ctx->sampler_view);
 }

 uint64_t
 etna_clear_blit_pack_rgba(enum pipe_format format, const union pipe_color_union *color)
 {
    union util_color uc;

    util_pack_color_union(format, &uc, color);

    switch (util_format_get_blocksize(format)) {
    case 1:
       uc.ui[0] = uc.ui[0] << 8 | (uc.ui[0] & 0xff);
       /* fallthrough */
    case 2:
       uc.ui[0] =  uc.ui[0] << 16 | (uc.ui[0] & 0xffff);
       /* fallthrough */
    case 4:
       uc.ui[1] = uc.ui[0];
       /* fallthrough */
    default:
       return (uint64_t) uc.ui[1] << 32 | uc.ui[0];
    }
 }

 static void
 etna_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
 {
    struct etna_context *ctx = etna_context(pctx);
    struct pipe_blit_info info = *blit_info;

    if (ctx->blit(pctx, &info))
       return;

    if (util_try_blit_via_copy_region(pctx, &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_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,
                          bool render_condition_enabled)
 {
    struct etna_context *ctx = etna_context(pctx);

    /* XXX could fall back to RS when target area is full screen / resolveable
     * and no TS. */
    etna_blit_save_state(ctx);
    util_blitter_clear_render_target(ctx->blitter, dst, color, dstx, dsty, width, height);
 }

 static void
 etna_clear_depth_stencil(struct pipe_context *pctx, struct pipe_surface *dst,
                          unsigned clear_flags, double depth, unsigned stencil,
                          unsigned dstx, unsigned dsty, unsigned width,
                          unsigned height, bool render_condition_enabled)
 {
    struct etna_context *ctx = etna_context(pctx);

    /* XXX could fall back to RS when target area is full screen / resolveable
     * and no TS. */
    etna_blit_save_state(ctx);
    util_blitter_clear_depth_stencil(ctx->blitter, dst, clear_flags, depth,
                                     stencil, dstx, dsty, width, height);
 }

 static void
 etna_resource_copy_region(struct pipe_context *pctx, struct pipe_resource *dst,
                           unsigned dst_level, unsigned dstx, unsigned dsty,
                           unsigned dstz, struct pipe_resource *src,
                           unsigned src_level, const struct pipe_box *src_box)
 {
    struct etna_context *ctx = etna_context(pctx);

    /* XXX we can use the RS as a literal copy engine here
     * the only complexity is tiling; the size of the boxes needs to be aligned
     * to the tile size
     * how to handle the case where a resource is copied from/to a non-aligned
     * position?
     * from non-aligned: can fall back to rendering-based copy?
     * to non-aligned: can fall back to rendering-based copy?
     * XXX this goes wrong when source surface is supertiled.
     */
    if (util_blitter_is_copy_supported(ctx->blitter, dst, src)) {
       etna_blit_save_state(ctx);
       util_blitter_copy_texture(ctx->blitter, dst, dst_level, dstx, dsty, dstz,
                                 src, src_level, src_box);
    } else {
       util_resource_copy_region(pctx, dst, dst_level, dstx, dsty, dstz, src,
                                 src_level, src_box);
    }
 }

 static void
 etna_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
 {
    struct etna_resource *rsc = etna_resource(prsc);

    if (rsc->render) {
       if (etna_resource_older(rsc, etna_resource(rsc->render))) {
          etna_copy_resource(pctx, prsc, rsc->render, 0, 0);
          rsc->seqno = etna_resource(rsc->render)->seqno;
       }
    } else if (etna_resource_needs_flush(rsc)) {
       etna_copy_resource(pctx, prsc, prsc, 0, 0);
       rsc->flush_seqno = rsc->seqno;
    }
 }

 void
 etna_copy_resource(struct pipe_context *pctx, struct pipe_resource *dst,
                    struct pipe_resource *src, int first_level, int last_level)
 {
    struct etna_resource *src_priv = etna_resource(src);
    struct etna_resource *dst_priv = etna_resource(dst);

    assert(src->format == dst->format);
    assert(src->array_size == dst->array_size);
    assert(last_level <= dst->last_level && last_level <= src->last_level);

    struct pipe_blit_info blit = {};
    blit.mask = util_format_get_mask(dst->format);
    blit.filter = PIPE_TEX_FILTER_NEAREST;
    blit.src.resource = src;
    blit.src.format = src->format;
    blit.dst.resource = dst;
    blit.dst.format = dst->format;
    blit.dst.box.depth = blit.src.box.depth = 1;

    /* Copy each level and each layer */
    for (int level = first_level; level <= last_level; level++) {
       blit.src.level = blit.dst.level = level;
       blit.src.box.width = blit.dst.box.width =
          MIN2(src_priv->levels[level].padded_width, dst_priv->levels[level].padded_width);
       blit.src.box.height = blit.dst.box.height =
          MIN2(src_priv->levels[level].padded_height, dst_priv->levels[level].padded_height);
       unsigned depth = MIN2(src_priv->levels[level].depth, dst_priv->levels[level].depth);
       if (dst->array_size > 1) {
          assert(depth == 1); /* no array of 3d texture */
          depth = dst->array_size;
       }

       for (int z = 0; z < depth; z++) {
          blit.src.box.z = blit.dst.box.z = z;
          pctx->blit(pctx, &blit);
       }
    }
 }

 void
 etna_copy_resource_box(struct pipe_context *pctx, struct pipe_resource *dst,
                        struct pipe_resource *src, int level,
                        struct pipe_box *box)
 {
    assert(src->format == dst->format);
    assert(src->array_size == dst->array_size);

    struct pipe_blit_info blit = {};
    blit.mask = util_format_get_mask(dst->format);
    blit.filter = PIPE_TEX_FILTER_NEAREST;
    blit.src.resource = src;
    blit.src.format = src->format;
    blit.src.box = *box;
    blit.dst.resource = dst;
    blit.dst.format = dst->format;
    blit.dst.box = *box;

    blit.dst.box.depth = blit.src.box.depth = 1;
    blit.src.level = blit.dst.level = level;

    for (int z = 0; z < box->depth; z++) {
       blit.src.box.z = blit.dst.box.z = box->z + z;
       pctx->blit(pctx, &blit);
    }
 }

 void
 etna_clear_blit_init(struct pipe_context *pctx)
 {
    struct etna_context *ctx = etna_context(pctx);
    struct etna_screen *screen = ctx->screen;

    pctx->blit = etna_blit;
    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->flush_resource = etna_flush_resource;

    if (screen->specs.use_blt)
       etna_clear_blit_blt_init(pctx);
    else
       etna_clear_blit_rs_init(pctx);
 }
	/*
	* 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 <laanwj@gmail.com>
	*/

	#include "etnaviv_clear_blit.h"

	#include "hw/common.xml.h"

	#include "etnaviv_blt.h"
	#include "etnaviv_context.h"
	#include "etnaviv_emit.h"
	#include "etnaviv_format.h"
	#include "etnaviv_resource.h"
	#include "etnaviv_rs.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"

	/* Save current state for blitter operation */
	void
	etna_blit_save_state(struct etna_context *ctx)
	{
	util_blitter_save_fragment_constant_buffer_slot(ctx->blitter,
	ctx->constant_buffer[PIPE_SHADER_FRAGMENT].cb);
	util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vertex_buffer.vb);
	util_blitter_save_vertex_elements(ctx->blitter, ctx->vertex_elements);
	util_blitter_save_vertex_shader(ctx->blitter, ctx->shader.bind_vs);
	util_blitter_save_rasterizer(ctx->blitter, ctx->rasterizer);
	util_blitter_save_viewport(ctx->blitter, &ctx->viewport_s);
	util_blitter_save_scissor(ctx->blitter, &ctx->scissor);
	util_blitter_save_fragment_shader(ctx->blitter, ctx->shader.bind_fs);
	util_blitter_save_blend(ctx->blitter, ctx->blend);
	util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->zsa);
	util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref_s);
	util_blitter_save_sample_mask(ctx->blitter, ctx->sample_mask);
	util_blitter_save_framebuffer(ctx->blitter, &ctx->framebuffer_s);
	util_blitter_save_fragment_sampler_states(ctx->blitter,
	ctx->num_fragment_samplers, (void **)ctx->sampler);
	util_blitter_save_fragment_sampler_views(ctx->blitter,
	ctx->num_fragment_sampler_views, ctx->sampler_view);
	}

	uint64_t
	etna_clear_blit_pack_rgba(enum pipe_format format, const union pipe_color_union *color)
	{
	union util_color uc;

	util_pack_color_union(format, &uc, color);

	switch (util_format_get_blocksize(format)) {
	case 1:
	uc.ui[0] = uc.ui[0] << 8 \| (uc.ui[0] & 0xff);
	/* fallthrough */
	case 2:
	uc.ui[0] = uc.ui[0] << 16 \| (uc.ui[0] & 0xffff);
	/* fallthrough */
	case 4:
	uc.ui[1] = uc.ui[0];
	/* fallthrough */
	default:
	return (uint64_t) uc.ui[1] << 32 \| uc.ui[0];
	}
	}

	static void
	etna_blit(struct pipe_context pctx, const struct pipe_blit_info blit_info)
	{
	struct etna_context *ctx = etna_context(pctx);
	struct pipe_blit_info info = *blit_info;

	if (ctx->blit(pctx, &info))
	return;

	if (util_try_blit_via_copy_region(pctx, &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_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,
	bool render_condition_enabled)
	{
	struct etna_context *ctx = etna_context(pctx);

	/* XXX could fall back to RS when target area is full screen / resolveable
	* and no TS. */
	etna_blit_save_state(ctx);
	util_blitter_clear_render_target(ctx->blitter, dst, color, dstx, dsty, width, height);
	}

	static void
	etna_clear_depth_stencil(struct pipe_context pctx, struct pipe_surface dst,
	unsigned clear_flags, double depth, unsigned stencil,
	unsigned dstx, unsigned dsty, unsigned width,
	unsigned height, bool render_condition_enabled)
	{
	struct etna_context *ctx = etna_context(pctx);

	/* XXX could fall back to RS when target area is full screen / resolveable
	* and no TS. */
	etna_blit_save_state(ctx);
	util_blitter_clear_depth_stencil(ctx->blitter, dst, clear_flags, depth,
	stencil, dstx, dsty, width, height);
	}

	static void
	etna_resource_copy_region(struct pipe_context pctx, struct pipe_resource dst,
	unsigned dst_level, unsigned dstx, unsigned dsty,
	unsigned dstz, struct pipe_resource *src,
	unsigned src_level, const struct pipe_box *src_box)
	{
	struct etna_context *ctx = etna_context(pctx);

	/* XXX we can use the RS as a literal copy engine here
	* the only complexity is tiling; the size of the boxes needs to be aligned
	* to the tile size
	* how to handle the case where a resource is copied from/to a non-aligned
	* position?
	* from non-aligned: can fall back to rendering-based copy?
	* to non-aligned: can fall back to rendering-based copy?
	* XXX this goes wrong when source surface is supertiled.
	*/
	if (util_blitter_is_copy_supported(ctx->blitter, dst, src)) {
	etna_blit_save_state(ctx);
	util_blitter_copy_texture(ctx->blitter, dst, dst_level, dstx, dsty, dstz,
	src, src_level, src_box);
	} else {
	util_resource_copy_region(pctx, dst, dst_level, dstx, dsty, dstz, src,
	src_level, src_box);
	}
	}

	static void
	etna_flush_resource(struct pipe_context pctx, struct pipe_resource prsc)
	{
	struct etna_resource *rsc = etna_resource(prsc);

	if (rsc->render) {
	if (etna_resource_older(rsc, etna_resource(rsc->render))) {
	etna_copy_resource(pctx, prsc, rsc->render, 0, 0);
	rsc->seqno = etna_resource(rsc->render)->seqno;
	}
	} else if (etna_resource_needs_flush(rsc)) {
	etna_copy_resource(pctx, prsc, prsc, 0, 0);
	rsc->flush_seqno = rsc->seqno;
	}
	}

	void
	etna_copy_resource(struct pipe_context pctx, struct pipe_resource dst,
	struct pipe_resource *src, int first_level, int last_level)
	{
	struct etna_resource *src_priv = etna_resource(src);
	struct etna_resource *dst_priv = etna_resource(dst);

	assert(src->format == dst->format);
	assert(src->array_size == dst->array_size);
	assert(last_level <= dst->last_level && last_level <= src->last_level);

	struct pipe_blit_info blit = {};
	blit.mask = util_format_get_mask(dst->format);
	blit.filter = PIPE_TEX_FILTER_NEAREST;
	blit.src.resource = src;
	blit.src.format = src->format;
	blit.dst.resource = dst;
	blit.dst.format = dst->format;
	blit.dst.box.depth = blit.src.box.depth = 1;

	/* Copy each level and each layer */
	for (int level = first_level; level <= last_level; level++) {
	blit.src.level = blit.dst.level = level;
	blit.src.box.width = blit.dst.box.width =
	MIN2(src_priv->levels[level].padded_width, dst_priv->levels[level].padded_width);
	blit.src.box.height = blit.dst.box.height =
	MIN2(src_priv->levels[level].padded_height, dst_priv->levels[level].padded_height);
	unsigned depth = MIN2(src_priv->levels[level].depth, dst_priv->levels[level].depth);
	if (dst->array_size > 1) {
	assert(depth == 1); /* no array of 3d texture */
	depth = dst->array_size;
	}

	for (int z = 0; z < depth; z++) {
	blit.src.box.z = blit.dst.box.z = z;
	pctx->blit(pctx, &blit);
	}
	}
	}

	void
	etna_copy_resource_box(struct pipe_context pctx, struct pipe_resource dst,
	struct pipe_resource *src, int level,
	struct pipe_box *box)
	{
	assert(src->format == dst->format);
	assert(src->array_size == dst->array_size);

	struct pipe_blit_info blit = {};
	blit.mask = util_format_get_mask(dst->format);
	blit.filter = PIPE_TEX_FILTER_NEAREST;
	blit.src.resource = src;
	blit.src.format = src->format;
	blit.src.box = *box;
	blit.dst.resource = dst;
	blit.dst.format = dst->format;
	blit.dst.box = *box;

	blit.dst.box.depth = blit.src.box.depth = 1;
	blit.src.level = blit.dst.level = level;

	for (int z = 0; z < box->depth; z++) {
	blit.src.box.z = blit.dst.box.z = box->z + z;
	pctx->blit(pctx, &blit);
	}
	}

	void
	etna_clear_blit_init(struct pipe_context *pctx)
	{
	struct etna_context *ctx = etna_context(pctx);
	struct etna_screen *screen = ctx->screen;

	pctx->blit = etna_blit;
	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->flush_resource = etna_flush_resource;

	if (screen->specs.use_blt)
	etna_clear_blit_blt_init(pctx);
	else
	etna_clear_blit_rs_init(pctx);
	}