X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Futil%2Fu_surface.c;h=4ef81c041c4f71299018f35a6a4e410b0908d768;hb=cbb0d4ad75e6309932af7995ca80fa5ff5db7c70;hp=c9f1c9c210f7ca342a126cc5ca7a453b77f9a519;hpb=653a83445f94620673f747a4ace6847a2c7fdb4d;p=mesa.git diff --git a/src/gallium/auxiliary/util/u_surface.c b/src/gallium/auxiliary/util/u_surface.c index c9f1c9c210f..4ef81c041c4 100644 --- a/src/gallium/auxiliary/util/u_surface.c +++ b/src/gallium/auxiliary/util/u_surface.c @@ -32,153 +32,658 @@ */ +#include "pipe/p_defines.h" #include "pipe/p_screen.h" #include "pipe/p_state.h" -#include "pipe/p_defines.h" -#include "util/u_inlines.h" -#include "util/u_memory.h" +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "util/u_rect.h" #include "util/u_surface.h" +#include "util/u_pack_color.h" /** - * Helper to quickly create an RGBA rendering surface of a certain size. - * \param textureOut returns the new texture - * \param surfaceOut returns the new surface - * \return TRUE for success, FALSE if failure + * Initialize a pipe_surface object. 'view' is considered to have + * uninitialized contents. */ -boolean -util_create_rgba_surface(struct pipe_screen *screen, - uint width, uint height, - struct pipe_texture **textureOut, - struct pipe_surface **surfaceOut) +void +u_surface_default_template(struct pipe_surface *surf, + const struct pipe_resource *texture) { - static const enum pipe_format rgbaFormats[] = { - PIPE_FORMAT_A8R8G8B8_UNORM, - PIPE_FORMAT_B8G8R8A8_UNORM, - PIPE_FORMAT_R8G8B8A8_UNORM, - PIPE_FORMAT_NONE - }; - const uint target = PIPE_TEXTURE_2D; - const uint usage = PIPE_TEXTURE_USAGE_RENDER_TARGET; - enum pipe_format format = PIPE_FORMAT_NONE; - struct pipe_texture templ; - uint i; - - /* Choose surface format */ - for (i = 0; rgbaFormats[i]; i++) { - if (screen->is_format_supported(screen, rgbaFormats[i], - target, usage, 0)) { - format = rgbaFormats[i]; - break; - } - } - if (format == PIPE_FORMAT_NONE) - return FALSE; /* unable to get an rgba format!?! */ - - /* create texture */ - memset(&templ, 0, sizeof(templ)); - templ.target = target; - templ.format = format; - templ.last_level = 0; - templ.width0 = width; - templ.height0 = height; - templ.depth0 = 1; - templ.tex_usage = usage; - - *textureOut = screen->texture_create(screen, &templ); - if (!*textureOut) - return FALSE; - - /* create surface / view into texture */ - *surfaceOut = screen->get_tex_surface(screen, *textureOut, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE); - if (!*surfaceOut) { - pipe_texture_reference(textureOut, NULL); - return FALSE; - } + memset(surf, 0, sizeof(*surf)); - return TRUE; + surf->format = texture->format; } /** - * Release the surface and texture from util_create_rgba_surface(). + * Copy 2D rect from one place to another. + * Position and sizes are in pixels. + * src_stride may be negative to do vertical flip of pixels from source. */ void -util_destroy_rgba_surface(struct pipe_texture *texture, - struct pipe_surface *surface) +util_copy_rect(ubyte * dst, + enum pipe_format format, + unsigned dst_stride, + unsigned dst_x, + unsigned dst_y, + unsigned width, + unsigned height, + const ubyte * src, + int src_stride, + unsigned src_x, + unsigned src_y) { - pipe_surface_reference(&surface, NULL); - pipe_texture_reference(&texture, NULL); + unsigned i; + int src_stride_pos = src_stride < 0 ? -src_stride : src_stride; + int blocksize = util_format_get_blocksize(format); + int blockwidth = util_format_get_blockwidth(format); + int blockheight = util_format_get_blockheight(format); + + assert(blocksize > 0); + assert(blockwidth > 0); + assert(blockheight > 0); + + dst_x /= blockwidth; + dst_y /= blockheight; + width = (width + blockwidth - 1)/blockwidth; + height = (height + blockheight - 1)/blockheight; + src_x /= blockwidth; + src_y /= blockheight; + + dst += dst_x * blocksize; + src += src_x * blocksize; + dst += dst_y * dst_stride; + src += src_y * src_stride_pos; + width *= blocksize; + + if (width == dst_stride && width == src_stride) + memcpy(dst, src, height * width); + else { + for (i = 0; i < height; i++) { + memcpy(dst, src, width); + dst += dst_stride; + src += src_stride; + } + } } - /** - * Compare pipe_framebuffer_state objects. - * \return TRUE if same, FALSE if different + * Copy 3D box from one place to another. + * Position and sizes are in pixels. */ -boolean -util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst, - const struct pipe_framebuffer_state *src) +void +util_copy_box(ubyte * dst, + enum pipe_format format, + unsigned dst_stride, unsigned dst_slice_stride, + unsigned dst_x, unsigned dst_y, unsigned dst_z, + unsigned width, unsigned height, unsigned depth, + const ubyte * src, + int src_stride, unsigned src_slice_stride, + unsigned src_x, unsigned src_y, unsigned src_z) { - unsigned i; + unsigned z; + dst += dst_z * dst_slice_stride; + src += src_z * src_slice_stride; + for (z = 0; z < depth; ++z) { + util_copy_rect(dst, + format, + dst_stride, + dst_x, dst_y, + width, height, + src, + src_stride, + src_x, src_y); + + dst += dst_slice_stride; + src += src_slice_stride; + } +} - if (dst->width != src->width || - dst->height != src->height) - return FALSE; - for (i = 0; i < Elements(src->cbufs); i++) { - if (dst->cbufs[i] != src->cbufs[i]) { - return FALSE; +void +util_fill_rect(ubyte * dst, + enum pipe_format format, + unsigned dst_stride, + unsigned dst_x, + unsigned dst_y, + unsigned width, + unsigned height, + union util_color *uc) +{ + const struct util_format_description *desc = util_format_description(format); + unsigned i, j; + unsigned width_size; + int blocksize = desc->block.bits / 8; + int blockwidth = desc->block.width; + int blockheight = desc->block.height; + + assert(blocksize > 0); + assert(blockwidth > 0); + assert(blockheight > 0); + + dst_x /= blockwidth; + dst_y /= blockheight; + width = (width + blockwidth - 1)/blockwidth; + height = (height + blockheight - 1)/blockheight; + + dst += dst_x * blocksize; + dst += dst_y * dst_stride; + width_size = width * blocksize; + + switch (blocksize) { + case 1: + if(dst_stride == width_size) + memset(dst, uc->ub, height * width_size); + else { + for (i = 0; i < height; i++) { + memset(dst, uc->ub, width_size); + dst += dst_stride; + } + } + break; + case 2: + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst; + for (j = 0; j < width; j++) + *row++ = uc->us; + dst += dst_stride; + } + break; + case 4: + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst; + for (j = 0; j < width; j++) + *row++ = uc->ui[0]; + dst += dst_stride; } + break; + default: + for (i = 0; i < height; i++) { + ubyte *row = dst; + for (j = 0; j < width; j++) { + memcpy(row, uc, blocksize); + row += blocksize; + } + dst += dst_stride; + } + break; } +} - if (dst->nr_cbufs != src->nr_cbufs) { - return FALSE; + +void +util_fill_box(ubyte * dst, + enum pipe_format format, + unsigned stride, + unsigned layer_stride, + unsigned x, + unsigned y, + unsigned z, + unsigned width, + unsigned height, + unsigned depth, + union util_color *uc) +{ + unsigned layer; + dst += z * layer_stride; + for (layer = z; layer < depth; layer++) { + util_fill_rect(dst, format, + stride, + x, y, width, height, uc); + dst += layer_stride; } +} - if (dst->zsbuf != src->zsbuf) { - return FALSE; + +/** + * Fallback function for pipe->resource_copy_region(). + * Note: (X,Y)=(0,0) is always the upper-left corner. + */ +void +util_resource_copy_region(struct pipe_context *pipe, + struct pipe_resource *dst, + unsigned dst_level, + unsigned dst_x, unsigned dst_y, unsigned dst_z, + struct pipe_resource *src, + unsigned src_level, + const struct pipe_box *src_box) +{ + struct pipe_transfer *src_trans, *dst_trans; + uint8_t *dst_map; + const uint8_t *src_map; + MAYBE_UNUSED enum pipe_format src_format; + enum pipe_format dst_format; + struct pipe_box dst_box; + + assert(src && dst); + if (!src || !dst) + return; + + assert((src->target == PIPE_BUFFER && dst->target == PIPE_BUFFER) || + (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER)); + + src_format = src->format; + dst_format = dst->format; + + assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format)); + assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format)); + assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format)); + + src_map = pipe->transfer_map(pipe, + src, + src_level, + PIPE_TRANSFER_READ, + src_box, &src_trans); + assert(src_map); + if (!src_map) { + goto no_src_map; } - return TRUE; + dst_box.x = dst_x; + dst_box.y = dst_y; + dst_box.z = dst_z; + dst_box.width = src_box->width; + dst_box.height = src_box->height; + dst_box.depth = src_box->depth; + + dst_map = pipe->transfer_map(pipe, + dst, + dst_level, + PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE, + &dst_box, &dst_trans); + assert(dst_map); + if (!dst_map) { + goto no_dst_map; + } + + if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { + assert(src_box->height == 1); + assert(src_box->depth == 1); + memcpy(dst_map, src_map, src_box->width); + } else { + util_copy_box(dst_map, + dst_format, + dst_trans->stride, dst_trans->layer_stride, + 0, 0, 0, + src_box->width, src_box->height, src_box->depth, + src_map, + src_trans->stride, src_trans->layer_stride, + 0, 0, 0); + } + + pipe->transfer_unmap(pipe, dst_trans); +no_dst_map: + pipe->transfer_unmap(pipe, src_trans); +no_src_map: + ; } + +#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8)) + + /** - * Copy framebuffer state from src to dst, updating refcounts. + * Fallback for pipe->clear_render_target() function. + * XXX this looks too hackish to be really useful. + * cpp > 4 looks like a gross hack at best... + * Plus can't use these transfer fallbacks when clearing + * multisampled surfaces for instance. + * Clears all bound layers. */ void -util_copy_framebuffer_state(struct pipe_framebuffer_state *dst, - const struct pipe_framebuffer_state *src) +util_clear_render_target(struct pipe_context *pipe, + struct pipe_surface *dst, + const union pipe_color_union *color, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height) { - unsigned i; + struct pipe_transfer *dst_trans; + ubyte *dst_map; + union util_color uc; + unsigned max_layer; + + assert(dst->texture); + if (!dst->texture) + return; + + if (dst->texture->target == PIPE_BUFFER) { + /* + * The fill naturally works on the surface format, however + * the transfer uses resource format which is just bytes for buffers. + */ + unsigned dx, w; + unsigned pixstride = util_format_get_blocksize(dst->format); + dx = (dst->u.buf.first_element + dstx) * pixstride; + w = width * pixstride; + max_layer = 0; + dst_map = pipe_transfer_map(pipe, + dst->texture, + 0, 0, + PIPE_TRANSFER_WRITE, + dx, 0, w, 1, + &dst_trans); + } + else { + max_layer = dst->u.tex.last_layer - dst->u.tex.first_layer; + dst_map = pipe_transfer_map_3d(pipe, + dst->texture, + dst->u.tex.level, + PIPE_TRANSFER_WRITE, + dstx, dsty, dst->u.tex.first_layer, + width, height, max_layer + 1, &dst_trans); + } + + assert(dst_map); + + if (dst_map) { + enum pipe_format format = dst->format; + assert(dst_trans->stride > 0); + + if (util_format_is_pure_integer(format)) { + /* + * We expect int/uint clear values here, though some APIs + * might disagree (but in any case util_pack_color() + * couldn't handle it)... + */ + if (util_format_is_pure_sint(format)) { + util_format_write_4i(format, color->i, 0, &uc, 0, 0, 0, 1, 1); + } + else { + assert(util_format_is_pure_uint(format)); + util_format_write_4ui(format, color->ui, 0, &uc, 0, 0, 0, 1, 1); + } + } + else { + util_pack_color(color->f, format, &uc); + } - dst->width = src->width; - dst->height = src->height; + util_fill_box(dst_map, dst->format, + dst_trans->stride, dst_trans->layer_stride, + 0, 0, 0, width, height, max_layer + 1, &uc); - for (i = 0; i < Elements(src->cbufs); i++) { - pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]); + pipe->transfer_unmap(pipe, dst_trans); } +} - dst->nr_cbufs = src->nr_cbufs; +/** + * Fallback for pipe->clear_stencil() function. + * sw fallback doesn't look terribly useful here. + * Plus can't use these transfer fallbacks when clearing + * multisampled surfaces for instance. + * Clears all bound layers. + */ +void +util_clear_depth_stencil(struct pipe_context *pipe, + struct pipe_surface *dst, + unsigned clear_flags, + double depth, + unsigned stencil, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height) +{ + enum pipe_format format = dst->format; + struct pipe_transfer *dst_trans; + ubyte *dst_map; + boolean need_rmw = FALSE; + unsigned max_layer, layer; + + if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) && + ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) && + util_format_is_depth_and_stencil(format)) + need_rmw = TRUE; + + assert(dst->texture); + if (!dst->texture) + return; + + max_layer = dst->u.tex.last_layer - dst->u.tex.first_layer; + dst_map = pipe_transfer_map_3d(pipe, + dst->texture, + dst->u.tex.level, + (need_rmw ? PIPE_TRANSFER_READ_WRITE : + PIPE_TRANSFER_WRITE), + dstx, dsty, dst->u.tex.first_layer, + width, height, max_layer + 1, &dst_trans); + assert(dst_map); + + if (dst_map) { + unsigned dst_stride = dst_trans->stride; + uint64_t zstencil = util_pack64_z_stencil(format, depth, stencil); + ubyte *dst_layer = dst_map; + unsigned i, j; + assert(dst_trans->stride > 0); + + for (layer = 0; layer <= max_layer; layer++) { + dst_map = dst_layer; + + switch (util_format_get_blocksize(format)) { + case 1: + assert(format == PIPE_FORMAT_S8_UINT); + if(dst_stride == width) + memset(dst_map, (uint8_t) zstencil, height * width); + else { + for (i = 0; i < height; i++) { + memset(dst_map, (uint8_t) zstencil, width); + dst_map += dst_stride; + } + } + break; + case 2: + assert(format == PIPE_FORMAT_Z16_UNORM); + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = (uint16_t) zstencil; + dst_map += dst_stride; + } + break; + case 4: + if (!need_rmw) { + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = (uint32_t) zstencil; + dst_map += dst_stride; + } + } + else { + uint32_t dst_mask; + if (format == PIPE_FORMAT_Z24_UNORM_S8_UINT) + dst_mask = 0x00ffffff; + else { + assert(format == PIPE_FORMAT_S8_UINT_Z24_UNORM); + dst_mask = 0xffffff00; + } + if (clear_flags & PIPE_CLEAR_DEPTH) + dst_mask = ~dst_mask; + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst_map; + for (j = 0; j < width; j++) { + uint32_t tmp = *row & dst_mask; + *row++ = tmp | ((uint32_t) zstencil & ~dst_mask); + } + dst_map += dst_stride; + } + } + break; + case 8: + if (!need_rmw) { + for (i = 0; i < height; i++) { + uint64_t *row = (uint64_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = zstencil; + dst_map += dst_stride; + } + } + else { + uint64_t src_mask; + + if (clear_flags & PIPE_CLEAR_DEPTH) + src_mask = 0x00000000ffffffffull; + else + src_mask = 0x000000ff00000000ull; + + for (i = 0; i < height; i++) { + uint64_t *row = (uint64_t *)dst_map; + for (j = 0; j < width; j++) { + uint64_t tmp = *row & ~src_mask; + *row++ = tmp | (zstencil & src_mask); + } + dst_map += dst_stride; + } + } + break; + default: + assert(0); + break; + } + dst_layer += dst_trans->layer_stride; + } - pipe_surface_reference(&dst->zsbuf, src->zsbuf); + pipe->transfer_unmap(pipe, dst_trans); + } } -void -util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb) +/* Return if the box is totally inside the resource. + */ +static boolean +is_box_inside_resource(const struct pipe_resource *res, + const struct pipe_box *box, + unsigned level) { - unsigned i; + unsigned width = 1, height = 1, depth = 1; + + switch (res->target) { + case PIPE_BUFFER: + width = res->width0; + height = 1; + depth = 1; + break; + case PIPE_TEXTURE_1D: + width = u_minify(res->width0, level); + height = 1; + depth = 1; + break; + case PIPE_TEXTURE_2D: + case PIPE_TEXTURE_RECT: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = 1; + break; + case PIPE_TEXTURE_3D: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = u_minify(res->depth0, level); + break; + case PIPE_TEXTURE_CUBE: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = 6; + break; + case PIPE_TEXTURE_1D_ARRAY: + width = u_minify(res->width0, level); + height = 1; + depth = res->array_size; + break; + case PIPE_TEXTURE_2D_ARRAY: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = res->array_size; + break; + case PIPE_TEXTURE_CUBE_ARRAY: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = res->array_size; + assert(res->array_size % 6 == 0); + break; + case PIPE_MAX_TEXTURE_TYPES: + break; + } - for (i = 0; i < fb->nr_cbufs; i++) { - pipe_surface_reference(&fb->cbufs[i], NULL); + return box->x >= 0 && + box->x + box->width <= (int) width && + box->y >= 0 && + box->y + box->height <= (int) height && + box->z >= 0 && + box->z + box->depth <= (int) depth; +} + +static unsigned +get_sample_count(const struct pipe_resource *res) +{ + return res->nr_samples ? res->nr_samples : 1; +} + +/** + * Try to do a blit using resource_copy_region. The function calls + * resource_copy_region if the blit description is compatible with it. + * + * It returns TRUE if the blit was done using resource_copy_region. + * + * It returns FALSE otherwise and the caller must fall back to a more generic + * codepath for the blit operation. (e.g. by using u_blitter) + */ +boolean +util_try_blit_via_copy_region(struct pipe_context *ctx, + const struct pipe_blit_info *blit) +{ + unsigned mask = util_format_get_mask(blit->dst.format); + + /* No format conversions. */ + if (blit->src.resource->format != blit->src.format || + blit->dst.resource->format != blit->dst.format || + !util_is_format_compatible( + util_format_description(blit->src.resource->format), + util_format_description(blit->dst.resource->format))) { + return FALSE; } - pipe_surface_reference(&fb->zsbuf, NULL); + /* No masks, no filtering, no scissor. */ + if ((blit->mask & mask) != mask || + blit->filter != PIPE_TEX_FILTER_NEAREST || + blit->scissor_enable) { + return FALSE; + } + + /* No flipping. */ + if (blit->src.box.width < 0 || + blit->src.box.height < 0 || + blit->src.box.depth < 0) { + return FALSE; + } - fb->width = fb->height = 0; - fb->nr_cbufs = 0; + /* No scaling. */ + if (blit->src.box.width != blit->dst.box.width || + blit->src.box.height != blit->dst.box.height || + blit->src.box.depth != blit->dst.box.depth) { + return FALSE; + } + + /* No out-of-bounds access. */ + if (!is_box_inside_resource(blit->src.resource, &blit->src.box, + blit->src.level) || + !is_box_inside_resource(blit->dst.resource, &blit->dst.box, + blit->dst.level)) { + return FALSE; + } + + /* Sample counts must match. */ + if (get_sample_count(blit->src.resource) != + get_sample_count(blit->dst.resource)) { + return FALSE; + } + + if (blit->alpha_blend) + return FALSE; + + ctx->resource_copy_region(ctx, blit->dst.resource, blit->dst.level, + blit->dst.box.x, blit->dst.box.y, blit->dst.box.z, + blit->src.resource, blit->src.level, + &blit->src.box); + return TRUE; }