diff options
Diffstat (limited to 'src/gallium/drivers/nv04/nv04_surface_2d.c')
| -rw-r--r-- | src/gallium/drivers/nv04/nv04_surface_2d.c | 66 |
1 files changed, 60 insertions, 6 deletions
diff --git a/src/gallium/drivers/nv04/nv04_surface_2d.c b/src/gallium/drivers/nv04/nv04_surface_2d.c index 12df7fd1997..b24a9cee5ae 100644 --- a/src/gallium/drivers/nv04/nv04_surface_2d.c +++ b/src/gallium/drivers/nv04/nv04_surface_2d.c @@ -77,7 +77,7 @@ nv04_scaled_image_format(enum pipe_format format) } static INLINE unsigned -nv04_swizzle_bits(unsigned x, unsigned y) +nv04_swizzle_bits_square(unsigned x, unsigned y) { unsigned u = (x & 0x001) << 0 | (x & 0x002) << 1 | @@ -107,6 +107,15 @@ nv04_swizzle_bits(unsigned x, unsigned y) return v | u; } +/* rectangular swizzled textures are linear concatenations of swizzled square tiles */ +static INLINE unsigned +nv04_swizzle_bits(unsigned x, unsigned y, unsigned w, unsigned h) +{ + unsigned s = MIN2(w, h); + unsigned m = s - 1; + return (((x | y) & ~m) * s) | nv04_swizzle_bits_square(x & m, y & m); +} + static int nv04_surface_copy_swizzle(struct nv04_surface_2d *ctx, struct pipe_surface *dst, int dx, int dy, @@ -158,20 +167,19 @@ nv04_surface_copy_swizzle(struct nv04_surface_2d *ctx, for (x = 0; x < w; x += sub_w) { sub_w = MIN2(sub_w, w - x); - /* Must be 64-byte aligned */ - assert(!((dst->offset + nv04_swizzle_bits(dx+x, dy+y) * util_format_get_blocksize(dst->texture->format)) & 63)); + assert(!(dst->offset & 63)); BEGIN_RING(chan, swzsurf, NV04_SWIZZLED_SURFACE_OFFSET, 1); - OUT_RELOCl(chan, dst_bo, dst->offset + nv04_swizzle_bits(dx+x, dy+y) * util_format_get_blocksize(dst->texture->format), + OUT_RELOCl(chan, dst_bo, dst->offset, NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_WR); BEGIN_RING(chan, sifm, NV04_SCALED_IMAGE_FROM_MEMORY_COLOR_CONVERSION, 9); OUT_RING (chan, NV04_SCALED_IMAGE_FROM_MEMORY_COLOR_CONVERSION_TRUNCATE); OUT_RING (chan, nv04_scaled_image_format(src->format)); OUT_RING (chan, NV04_SCALED_IMAGE_FROM_MEMORY_OPERATION_SRCCOPY); - OUT_RING (chan, 0); + OUT_RING (chan, (x + dx) | ((y + dy) << NV04_SCALED_IMAGE_FROM_MEMORY_CLIP_POINT_Y_SHIFT)); OUT_RING (chan, sub_h << NV04_SCALED_IMAGE_FROM_MEMORY_CLIP_SIZE_H_SHIFT | sub_w); - OUT_RING (chan, 0); + OUT_RING (chan, (x + dx) | ((y + dy) << NV04_SCALED_IMAGE_FROM_MEMORY_OUT_POINT_Y_SHIFT)); OUT_RING (chan, sub_h << NV04_SCALED_IMAGE_FROM_MEMORY_OUT_SIZE_H_SHIFT | sub_w); OUT_RING (chan, 1 << 20); OUT_RING (chan, 1 << 20); @@ -491,3 +499,49 @@ nv04_surface_2d_init(struct nouveau_screen *screen) ctx->fill = nv04_surface_fill; return ctx; } + +struct nv04_surface* +nv04_surface_wrap_for_render(struct pipe_screen *pscreen, struct nv04_surface_2d* eng2d, struct nv04_surface* ns) +{ + int temp_flags; + + // printf("creating temp, flags is %i!\n", flags); + + if(ns->base.usage & PIPE_BUFFER_USAGE_DISCARD) + { + temp_flags = ns->base.usage | PIPE_BUFFER_USAGE_GPU_READ; + ns->base.usage = PIPE_BUFFER_USAGE_GPU_WRITE | NOUVEAU_BUFFER_USAGE_NO_RENDER | PIPE_BUFFER_USAGE_DISCARD; + } + else + { + temp_flags = ns->base.usage | PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE; + ns->base.usage = PIPE_BUFFER_USAGE_GPU_WRITE | NOUVEAU_BUFFER_USAGE_NO_RENDER | PIPE_BUFFER_USAGE_GPU_READ; + } + + struct nv40_screen* screen = (struct nv40_screen*)pscreen; + ns->base.usage = PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE; + + struct pipe_texture templ; + memset(&templ, 0, sizeof(templ)); + templ.format = ns->base.texture->format; + templ.target = PIPE_TEXTURE_2D; + templ.width0 = ns->base.width; + templ.height0 = ns->base.height; + templ.depth0 = 1; + templ.last_level = 0; + + // TODO: this is probably wrong and we should specifically handle multisampling somehow once it is implemented + templ.nr_samples = ns->base.texture->nr_samples; + + templ.tex_usage = ns->base.texture->tex_usage | PIPE_TEXTURE_USAGE_RENDER_TARGET; + + struct pipe_texture* temp_tex = pscreen->texture_create(pscreen, &templ); + struct nv04_surface* temp_ns = (struct nv04_surface*)pscreen->get_tex_surface(pscreen, temp_tex, 0, 0, 0, temp_flags); + temp_ns->backing = ns; + + if(ns->base.usage & PIPE_BUFFER_USAGE_GPU_READ) + eng2d->copy(eng2d, &temp_ns->backing->base, 0, 0, &ns->base, 0, 0, ns->base.width, ns->base.height); + + return temp_ns; +} + |