diff options
Diffstat (limited to 'src/gallium/drivers/panfrost/pan_blit.c')
| -rw-r--r-- | src/gallium/drivers/panfrost/pan_blit.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/pan_blit.c b/src/gallium/drivers/panfrost/pan_blit.c new file mode 100644 index 00000000000..5859f92f9d1 --- /dev/null +++ b/src/gallium/drivers/panfrost/pan_blit.c @@ -0,0 +1,133 @@ +/* + * Copyright (C) 2014 Broadcom + * Copyright (C) 2019 Collabora + * + * 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, sublicense, + * 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 NONINFRINGEMENT. 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 (Collabora): + * Tomeu Vizoso <[email protected]> + * Alyssa Rosenzweig <[email protected]> + * + */ + +#include "pan_context.h" +#include "util/u_format.h" + +static void +panfrost_blitter_save(struct panfrost_context *ctx) +{ + + util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vertex_buffers); + util_blitter_save_vertex_elements(ctx->blitter, ctx->vertex); + util_blitter_save_vertex_shader(ctx->blitter, ctx->vs); + util_blitter_save_rasterizer(ctx->blitter, ctx->rasterizer); + util_blitter_save_viewport(ctx->blitter, &ctx->pipe_viewport); + util_blitter_save_scissor(ctx->blitter, &ctx->scissor); + util_blitter_save_fragment_shader(ctx->blitter, ctx->fs); + util_blitter_save_blend(ctx->blitter, ctx->blend); + util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->depth_stencil); + util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref); + util_blitter_save_so_targets(ctx->blitter, 0, NULL); + + /* For later */ +// util_blitter_save_sample_mask(ctx->blitter, ctx->sample_mask); + + util_blitter_save_framebuffer(ctx->blitter, &ctx->pipe_framebuffer); + util_blitter_save_fragment_sampler_states(ctx->blitter, + ctx->sampler_count[PIPE_SHADER_FRAGMENT], + (void **)(&ctx->samplers[PIPE_SHADER_FRAGMENT])); + util_blitter_save_fragment_sampler_views(ctx->blitter, + ctx->sampler_view_count[PIPE_SHADER_FRAGMENT], + (struct pipe_sampler_view **)&ctx->sampler_views[PIPE_SHADER_FRAGMENT]); +} + +static bool +panfrost_u_blitter_blit(struct pipe_context *pipe, + const struct pipe_blit_info *info) +{ + struct panfrost_context *ctx = pan_context(pipe); + + if (!util_blitter_is_blit_supported(ctx->blitter, info)) { + fprintf(stderr, "blit unsupported %s -> %s\n", + util_format_short_name(info->src.resource->format), + util_format_short_name(info->dst.resource->format)); + return false; + } + + /* TODO: Scissor */ + + panfrost_blitter_save(ctx); + util_blitter_blit(ctx->blitter, info); + + return true; +} + +void +panfrost_blit(struct pipe_context *pipe, + const struct pipe_blit_info *info) +{ + /* We don't have a hardware blit, so we just fake it with + * u_blitter. We could do a little better by culling + * vertex jobs, though. */ + + /* TODO: Implement blitting. Commented out because u_blitter is not + * fully integrated and creates bugs in other places. */ +#if 0 + if (panfrost_u_blitter_blit(pipe, info)) + return; + + fprintf(stderr, "Unhandled blit"); +#endif + + return; +} + +/* Blits a framebuffer to "itself". Mali is a tiler, so the + * framebuffer is implicitly cleared every frame, so if there is + * no actual glClear(), we have to blit it back ourselves. + */ + +void +panfrost_blit_wallpaper(struct panfrost_context *ctx) +{ + struct pipe_blit_info binfo = { }; + + panfrost_blitter_save(ctx); + + binfo.src.resource = binfo.dst.resource = ctx->pipe_framebuffer.cbufs[0]->texture; + binfo.src.level = binfo.dst.level = 0; + binfo.src.box.x = binfo.dst.box.x = 0; + binfo.src.box.y = binfo.dst.box.y = 0; + binfo.src.box.width = binfo.dst.box.width = ctx->pipe_framebuffer.width; + binfo.src.box.height = binfo.dst.box.height = ctx->pipe_framebuffer.height; + + /* This avoids an assert due to missing nir_texop_txb support */ + //binfo.src.box.depth = binfo.dst.box.depth = 1; + + binfo.src.format = binfo.dst.format = ctx->pipe_framebuffer.cbufs[0]->texture->format; + + assert(ctx->pipe_framebuffer.nr_cbufs == 1); + binfo.mask = PIPE_MASK_RGBA; + binfo.filter = PIPE_TEX_FILTER_LINEAR; + binfo.scissor_enable = FALSE; + + util_blitter_blit(ctx->blitter, &binfo); +} + |