/************************************************************************** * * Copyright 2003 VMware, Inc. * All Rights Reserved. * * 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 VMWARE AND/OR ITS SUPPLIERS 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. * **************************************************************************/ #include "i915_surface.h" #include "i915_resource.h" #include "i915_state.h" #include "i915_blit.h" #include "i915_reg.h" #include "i915_screen.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" #include "util/u_math.h" #include "util/format/u_format.h" #include "util/u_memory.h" #include "util/u_pack_color.h" #include "util/u_surface.h" static struct pipe_surface * i915_create_surface_custom(struct pipe_context *ctx, struct pipe_resource *pt, const struct pipe_surface *surf_tmpl, unsigned width0, unsigned height0); /* * surface functions using the render engine */ static void i915_util_blitter_save_states(struct i915_context *i915) { util_blitter_save_blend(i915->blitter, (void *)i915->blend); util_blitter_save_depth_stencil_alpha(i915->blitter, (void *)i915->depth_stencil); util_blitter_save_stencil_ref(i915->blitter, &i915->stencil_ref); util_blitter_save_rasterizer(i915->blitter, (void *)i915->rasterizer); util_blitter_save_fragment_shader(i915->blitter, i915->fs); util_blitter_save_vertex_shader(i915->blitter, i915->vs); util_blitter_save_viewport(i915->blitter, &i915->viewport); util_blitter_save_scissor(i915->blitter, &i915->scissor); util_blitter_save_vertex_elements(i915->blitter, i915->velems); util_blitter_save_vertex_buffer_slot(i915->blitter, i915->vertex_buffers); util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); util_blitter_save_fragment_sampler_states(i915->blitter, i915->num_samplers, (void**)i915->fragment_sampler); util_blitter_save_fragment_sampler_views(i915->blitter, i915->num_fragment_sampler_views, i915->fragment_sampler_views); } static void i915_surface_copy_render(struct pipe_context *pipe, 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 i915_context *i915 = i915_context(pipe); unsigned src_width0 = src->width0; unsigned src_height0 = src->height0; unsigned dst_width0 = dst->width0; unsigned dst_height0 = dst->height0; struct pipe_box dstbox; struct pipe_sampler_view src_templ, *src_view; struct pipe_surface dst_templ, *dst_view; const struct util_format_description *desc; /* Fallback for buffers. */ if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) goto fallback; /* Fallback for depth&stencil. XXX: see if we can use a proxy format */ desc = util_format_description(src->format); if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) goto fallback; desc = util_format_description(dst->format); if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) goto fallback; util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); util_blitter_default_src_texture(i915->blitter, &src_templ, src, src_level); if (!util_blitter_is_copy_supported(i915->blitter, dst, src)) goto fallback; i915_util_blitter_save_states(i915); dst_view = i915_create_surface_custom(pipe, dst, &dst_templ, dst_width0, dst_height0); src_view = i915_create_sampler_view_custom(pipe, src, &src_templ, src_width0, src_height0); u_box_3d(dstx, dsty, dstz, abs(src_box->width), abs(src_box->height), abs(src_box->depth), &dstbox); util_blitter_blit_generic(i915->blitter, dst_view, &dstbox, src_view, src_box, src_width0, src_height0, PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL, FALSE); return; fallback: util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, src, src_level, src_box); } static void i915_clear_render_target_render(struct pipe_context *pipe, struct pipe_surface *dst, const union pipe_color_union *color, unsigned dstx, unsigned dsty, unsigned width, unsigned height, bool render_condition_enabled) { struct i915_context *i915 = i915_context(pipe); struct pipe_framebuffer_state fb_state; util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); fb_state.width = dst->width; fb_state.height = dst->height; fb_state.nr_cbufs = 1; fb_state.cbufs[0] = dst; fb_state.zsbuf = NULL; pipe->set_framebuffer_state(pipe, &fb_state); if (i915->dirty) i915_update_derived(i915); i915_clear_emit(pipe, PIPE_CLEAR_COLOR, color, 0.0, 0x0, dstx, dsty, width, height); pipe->set_framebuffer_state(pipe, &i915->blitter->saved_fb_state); util_unreference_framebuffer_state(&i915->blitter->saved_fb_state); i915->blitter->saved_fb_state.nr_cbufs = ~0; } static void i915_clear_depth_stencil_render(struct pipe_context *pipe, struct pipe_surface *dst, unsigned clear_flags, double depth, unsigned stencil, unsigned dstx, unsigned dsty, unsigned width, unsigned height, bool render_condition_enabled) { struct i915_context *i915 = i915_context(pipe); struct pipe_framebuffer_state fb_state; util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); fb_state.width = dst->width; fb_state.height = dst->height; fb_state.nr_cbufs = 0; fb_state.zsbuf = dst; pipe->set_framebuffer_state(pipe, &fb_state); if (i915->dirty) i915_update_derived(i915); i915_clear_emit(pipe, clear_flags & PIPE_CLEAR_DEPTHSTENCIL, NULL, depth, stencil, dstx, dsty, width, height); pipe->set_framebuffer_state(pipe, &i915->blitter->saved_fb_state); util_unreference_framebuffer_state(&i915->blitter->saved_fb_state); i915->blitter->saved_fb_state.nr_cbufs = ~0; } /* * surface functions using the blitter */ /* Assumes all values are within bounds -- no checking at this level - * do it higher up if required. */ static void i915_surface_copy_blitter(struct pipe_context *pipe, 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 i915_texture *dst_tex = i915_texture(dst); struct i915_texture *src_tex = i915_texture(src); struct pipe_resource *dpt = &dst_tex->b.b; struct pipe_resource *spt = &src_tex->b.b; unsigned dst_offset, src_offset; /* in bytes */ /* Fallback for buffers. */ if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, src, src_level, src_box); return; } /* XXX cannot copy 3d regions at this time */ assert(src_box->depth == 1); if (dst->target != PIPE_TEXTURE_CUBE && dst->target != PIPE_TEXTURE_3D) assert(dstz == 0); dst_offset = i915_texture_offset(dst_tex, dst_level, dstz); if (src->target != PIPE_TEXTURE_CUBE && src->target != PIPE_TEXTURE_3D) assert(src_box->z == 0); src_offset = i915_texture_offset(src_tex, src_level, src_box->z); assert( util_format_get_blocksize(dpt->format) == util_format_get_blocksize(spt->format) ); assert( util_format_get_blockwidth(dpt->format) == util_format_get_blockwidth(spt->format) ); assert( util_format_get_blockheight(dpt->format) == util_format_get_blockheight(spt->format) ); assert( util_format_get_blockwidth(dpt->format) == 1 ); assert( util_format_get_blockheight(dpt->format) == 1 ); i915_copy_blit( i915_context(pipe), util_format_get_blocksize(dpt->format), (unsigned short) src_tex->stride, src_tex->buffer, src_offset, (unsigned short) dst_tex->stride, dst_tex->buffer, dst_offset, (short) src_box->x, (short) src_box->y, (short) dstx, (short) dsty, (short) src_box->width, (short) src_box->height ); } static void i915_blit(struct pipe_context *pipe, const struct pipe_blit_info *blit_info) { struct i915_context *i915 = i915_context(pipe); struct pipe_blit_info info = *blit_info; if (util_try_blit_via_copy_region(pipe, &info)) { return; /* done */ } if (info.mask & PIPE_MASK_S) { debug_printf("i915: cannot blit stencil, skipping\n"); info.mask &= ~PIPE_MASK_S; } if (!util_blitter_is_blit_supported(i915->blitter, &info)) { debug_printf("i915: blit unsupported %s -> %s\n", util_format_short_name(info.src.resource->format), util_format_short_name(info.dst.resource->format)); return; } i915_util_blitter_save_states(i915); util_blitter_blit(i915->blitter, &info); } static void i915_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource) { } static void i915_clear_render_target_blitter(struct pipe_context *pipe, struct pipe_surface *dst, const union pipe_color_union *color, unsigned dstx, unsigned dsty, unsigned width, unsigned height, bool render_condition_enabled) { struct i915_texture *tex = i915_texture(dst->texture); struct pipe_resource *pt = &tex->b.b; union util_color uc; unsigned offset = i915_texture_offset(tex, dst->u.tex.level, dst->u.tex.first_layer); assert(util_format_get_blockwidth(pt->format) == 1); assert(util_format_get_blockheight(pt->format) == 1); util_pack_color(color->f, dst->format, &uc); i915_fill_blit( i915_context(pipe), util_format_get_blocksize(pt->format), XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB, (unsigned short) tex->stride, tex->buffer, offset, (short) dstx, (short) dsty, (short) width, (short) height, uc.ui[0] ); } static void i915_clear_depth_stencil_blitter(struct pipe_context *pipe, struct pipe_surface *dst, unsigned clear_flags, double depth, unsigned stencil, unsigned dstx, unsigned dsty, unsigned width, unsigned height, bool render_condition_enabled) { struct i915_texture *tex = i915_texture(dst->texture); struct pipe_resource *pt = &tex->b.b; unsigned packedds; unsigned mask = 0; unsigned offset = i915_texture_offset(tex, dst->u.tex.level, dst->u.tex.first_layer); assert(util_format_get_blockwidth(pt->format) == 1); assert(util_format_get_blockheight(pt->format) == 1); packedds = util_pack_z_stencil(dst->format, depth, stencil); if (clear_flags & PIPE_CLEAR_DEPTH) mask |= XY_COLOR_BLT_WRITE_RGB; /* XXX presumably this does read-modify-write (otherwise this won't work anyway). Hence will only want to do it if really have stencil and it isn't cleared */ if ((clear_flags & PIPE_CLEAR_STENCIL) || (dst->format != PIPE_FORMAT_Z24_UNORM_S8_UINT)) mask |= XY_COLOR_BLT_WRITE_ALPHA; i915_fill_blit( i915_context(pipe), util_format_get_blocksize(pt->format), mask, (unsigned short) tex->stride, tex->buffer, offset, (short) dstx, (short) dsty, (short) width, (short) height, packedds ); } /* * Screen surface functions */ static struct pipe_surface * i915_create_surface_custom(struct pipe_context *ctx, struct pipe_resource *pt, const struct pipe_surface *surf_tmpl, unsigned width0, unsigned height0) { struct pipe_surface *ps; assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer); if (pt->target != PIPE_TEXTURE_CUBE && pt->target != PIPE_TEXTURE_3D) assert(surf_tmpl->u.tex.first_layer == 0); ps = CALLOC_STRUCT(pipe_surface); if (ps) { /* could subclass pipe_surface and store offset as it used to do */ pipe_reference_init(&ps->reference, 1); pipe_resource_reference(&ps->texture, pt); ps->format = surf_tmpl->format; ps->width = u_minify(width0, surf_tmpl->u.tex.level); ps->height = u_minify(height0, surf_tmpl->u.tex.level); ps->u.tex.level = surf_tmpl->u.tex.level; ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer; ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer; ps->context = ctx; } return ps; } static struct pipe_surface * i915_create_surface(struct pipe_context *ctx, struct pipe_resource *pt, const struct pipe_surface *surf_tmpl) { return i915_create_surface_custom(ctx, pt, surf_tmpl, pt->width0, pt->height0); } static void i915_surface_destroy(struct pipe_context *ctx, struct pipe_surface *surf) { pipe_resource_reference(&surf->texture, NULL); FREE(surf); } void i915_init_surface_functions(struct i915_context *i915) { if (i915_screen(i915->base.screen)->debug.use_blitter) { i915->base.resource_copy_region = i915_surface_copy_blitter; i915->base.clear_render_target = i915_clear_render_target_blitter; i915->base.clear_depth_stencil = i915_clear_depth_stencil_blitter; } else { i915->base.resource_copy_region = i915_surface_copy_render; i915->base.clear_render_target = i915_clear_render_target_render; i915->base.clear_depth_stencil = i915_clear_depth_stencil_render; } i915->base.blit = i915_blit; i915->base.flush_resource = i915_flush_resource; i915->base.create_surface = i915_create_surface; i915->base.surface_destroy = i915_surface_destroy; }