* Chia-I Wu <olv@lunarg.com>
*/
-#include "util/u_blitter.h"
-#include "util/u_clear.h"
-#include "util/u_pack_color.h"
#include "util/u_surface.h"
#include "intel_reg.h"
+#include "ilo_blitter.h"
#include "ilo_context.h"
#include "ilo_cp.h"
#include "ilo_resource.h"
#include "ilo_screen.h"
#include "ilo_blit.h"
-/*
- * From the Sandy Bridge PRM, volume 1 part 5, page 7:
- *
- * "The BLT engine is capable of transferring very large quantities of
- * graphics data. Any graphics data read from and written to the
- * destination is permitted to represent a number of pixels that occupies
- * up to 65,536 scan lines and up to 32,768 bytes per scan line at the
- * destination. The maximum number of pixels that may be represented per
- * scan line's worth of graphics data depends on the color depth."
- */
-static const int gen6_max_bytes_per_scanline = 32768;
-static const int gen6_max_scanlines = 65536;
-
-static void
-ilo_blit_own_blt_ring(struct ilo_context *ilo)
-{
- ilo_cp_set_ring(ilo->cp, ILO_CP_RING_BLT);
- ilo_cp_set_owner(ilo->cp, NULL, 0);
-}
-
static void
-gen6_XY_COLOR_BLT(struct ilo_context *ilo, struct intel_bo *dst_bo,
- uint32_t dst_offset, int16_t dst_pitch,
- enum intel_tiling_mode dst_tiling,
- int16_t x1, int16_t y1, int16_t x2, int16_t y2,
- uint32_t color,
- uint8_t rop, int cpp, bool write_alpha)
-{
- const uint8_t cmd_len = 6;
- struct ilo_cp *cp = ilo->cp;
- int dst_align, dst_pitch_shift;
- uint32_t dw0, dw1;
-
- dw0 = XY_COLOR_BLT_CMD | (cmd_len - 2);
-
- if (dst_tiling == INTEL_TILING_NONE) {
- dst_align = 4;
- dst_pitch_shift = 0;
- }
- else {
- dw0 |= XY_DST_TILED;
-
- dst_align = (dst_tiling == INTEL_TILING_Y) ? 128 : 512;
- /* in dwords when tiled */
- dst_pitch_shift = 2;
- }
-
- assert(cpp == 4 || cpp == 2 || cpp == 1);
- assert((x2 - x1) * cpp < gen6_max_bytes_per_scanline);
- assert(y2 - y1 < gen6_max_scanlines);
- assert(dst_offset % dst_align == 0 && dst_pitch % dst_align == 0);
-
- dw1 = rop << 16 |
- dst_pitch >> dst_pitch_shift;
-
- switch (cpp) {
- case 4:
- dw0 |= XY_BLT_WRITE_RGB;
- if (write_alpha)
- dw0 |= XY_BLT_WRITE_ALPHA;
-
- dw1 |= BR13_8888;
- break;
- case 2:
- dw1 |= BR13_565;
- break;
- case 1:
- dw1 |= BR13_8;
- break;
- }
-
- ilo_cp_begin(cp, cmd_len);
- ilo_cp_write(cp, dw0);
- ilo_cp_write(cp, dw1);
- ilo_cp_write(cp, y1 << 16 | x1);
- ilo_cp_write(cp, y2 << 16 | x2);
- ilo_cp_write_bo(cp, dst_offset, dst_bo,
- INTEL_DOMAIN_RENDER, INTEL_DOMAIN_RENDER);
- ilo_cp_write(cp, color);
- ilo_cp_end(cp);
-}
-
-static bool
-blitter_xy_color_blt(struct pipe_context *pipe,
- struct pipe_resource *res,
- int16_t x1, int16_t y1,
- int16_t x2, int16_t y2,
- uint32_t color)
+ilo_resource_copy_region(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 ilo_context *ilo = ilo_context(pipe);
- struct ilo_texture *tex = ilo_texture(res);
- const int cpp = util_format_get_blocksize(tex->bo_format);
- const uint8_t rop = 0xf0; /* PATCOPY */
- struct intel_bo *aper_check[2];
-
- /* how to support Y-tiling? */
- if (tex->tiling == INTEL_TILING_Y)
- return false;
-
- /* nothing to clear */
- if (x1 >= x2 || y1 >= y2)
- return true;
-
- ilo_blit_own_blt_ring(ilo);
- /* make room if necessary */
- aper_check[0] = ilo->cp->bo;
- aper_check[1] = tex->bo;
- if (ilo->winsys->check_aperture_space(ilo->winsys, aper_check, 2))
- ilo_cp_flush(ilo->cp);
-
- gen6_XY_COLOR_BLT(ilo,
- tex->bo, 0, tex->bo_stride, tex->tiling,
- x1, y1, x2, y2, color, rop, cpp, true);
-
- return true;
-}
-
-enum ilo_blitter_op {
- ILO_BLITTER_CLEAR,
- ILO_BLITTER_CLEAR_SURFACE,
- ILO_BLITTER_BLIT,
-};
-
-static void
-ilo_blitter_begin(struct ilo_context *ilo, enum ilo_blitter_op op)
-{
- /* as documented in util/u_blitter.h */
- util_blitter_save_vertex_buffer_slot(ilo->blitter,
- ilo->vertex_buffers.buffers);
- util_blitter_save_vertex_elements(ilo->blitter, ilo->vertex_elements);
- util_blitter_save_vertex_shader(ilo->blitter, ilo->vs);
- util_blitter_save_geometry_shader(ilo->blitter, ilo->gs);
- util_blitter_save_so_targets(ilo->blitter,
- ilo->stream_output_targets.num_targets,
- ilo->stream_output_targets.targets);
-
- util_blitter_save_fragment_shader(ilo->blitter, ilo->fs);
- util_blitter_save_depth_stencil_alpha(ilo->blitter,
- ilo->depth_stencil_alpha);
- util_blitter_save_blend(ilo->blitter, ilo->blend);
-
- /* undocumented? */
- util_blitter_save_viewport(ilo->blitter, &ilo->viewport);
- util_blitter_save_stencil_ref(ilo->blitter, &ilo->stencil_ref);
- util_blitter_save_sample_mask(ilo->blitter, ilo->sample_mask);
-
- switch (op) {
- case ILO_BLITTER_CLEAR:
- util_blitter_save_rasterizer(ilo->blitter, ilo->rasterizer);
- break;
- case ILO_BLITTER_CLEAR_SURFACE:
- util_blitter_save_framebuffer(ilo->blitter, &ilo->framebuffer);
- break;
- case ILO_BLITTER_BLIT:
- util_blitter_save_rasterizer(ilo->blitter, ilo->rasterizer);
- util_blitter_save_framebuffer(ilo->blitter, &ilo->framebuffer);
-
- util_blitter_save_fragment_sampler_states(ilo->blitter,
- ilo->samplers[PIPE_SHADER_FRAGMENT].num_samplers,
- (void **) ilo->samplers[PIPE_SHADER_FRAGMENT].samplers);
-
- util_blitter_save_fragment_sampler_views(ilo->blitter,
- ilo->sampler_views[PIPE_SHADER_FRAGMENT].num_views,
- ilo->sampler_views[PIPE_SHADER_FRAGMENT].views);
-
- /* disable render condition? */
- break;
- default:
- break;
- }
-}
+ if (ilo_blitter_blt_copy_resource(ilo->blitter,
+ dst, dst_level, dstx, dsty, dstz,
+ src, src_level, src_box))
+ return;
-static void
-ilo_blitter_end(struct ilo_context *ilo)
-{
+ util_resource_copy_region(&ilo->base, dst, dst_level,
+ dstx, dsty, dstz, src, src_level, src_box);
}
static void
{
struct ilo_context *ilo = ilo_context(pipe);
- /* TODO we should pause/resume some queries */
- ilo_blitter_begin(ilo, ILO_BLITTER_CLEAR);
-
- util_blitter_clear(ilo->blitter,
- ilo->framebuffer.width, ilo->framebuffer.height,
- ilo->framebuffer.nr_cbufs, buffers,
- (ilo->framebuffer.nr_cbufs) ? ilo->framebuffer.cbufs[0]->format :
- PIPE_FORMAT_NONE,
- color, depth, stencil);
-
- ilo_blitter_end(ilo);
+ ilo_blitter_pipe_clear_fb(ilo->blitter, buffers, color, depth, stencil);
}
static void
unsigned width, unsigned height)
{
struct ilo_context *ilo = ilo_context(pipe);
- union util_color packed;
if (!width || !height || dstx >= dst->width || dsty >= dst->height)
return;
if (dsty + height > dst->height)
height = dst->height - dsty;
- util_pack_color(color->f, dst->format, &packed);
-
- /* try HW blit first */
- if (blitter_xy_color_blt(pipe, dst->texture,
- dstx, dsty,
- dstx + width, dsty + height,
- packed.ui))
+ if (ilo_blitter_blt_clear_rt(ilo->blitter,
+ dst, color, dstx, dsty, width, height))
return;
- ilo_blitter_begin(ilo, ILO_BLITTER_CLEAR_SURFACE);
- util_blitter_clear_render_target(ilo->blitter,
+ ilo_blitter_pipe_clear_rt(ilo->blitter,
dst, color, dstx, dsty, width, height);
- ilo_blitter_end(ilo);
}
static void
{
struct ilo_context *ilo = ilo_context(pipe);
- /*
- * The PRM claims that HW blit supports Y-tiling since GEN6, but it does
- * not tell us how to program it. Since depth buffers are always Y-tiled,
- * HW blit will not work.
- */
- ilo_blitter_begin(ilo, ILO_BLITTER_CLEAR_SURFACE);
- util_blitter_clear_depth_stencil(ilo->blitter,
+ if (!width || !height || dstx >= dst->width || dsty >= dst->height)
+ return;
+
+ if (dstx + width > dst->width)
+ width = dst->width - dstx;
+ if (dsty + height > dst->height)
+ height = dst->height - dsty;
+
+ if (ilo_blitter_blt_clear_zs(ilo->blitter,
+ dst, clear_flags, depth, stencil, dstx, dsty, width, height))
+ return;
+
+ ilo_blitter_pipe_clear_zs(ilo->blitter,
dst, clear_flags, depth, stencil, dstx, dsty, width, height);
- ilo_blitter_end(ilo);
}
static void
ilo_blit(struct pipe_context *pipe, const struct pipe_blit_info *info)
{
struct ilo_context *ilo = ilo_context(pipe);
- struct pipe_blit_info skip_stencil;
-
- if (util_try_blit_via_copy_region(pipe, info))
- return;
-
- if (!util_blitter_is_blit_supported(ilo->blitter, info)) {
- /* try without stencil */
- if (info->mask & PIPE_MASK_S) {
- skip_stencil = *info;
- skip_stencil.mask = info->mask & ~PIPE_MASK_S;
-
- if (util_blitter_is_blit_supported(ilo->blitter, &skip_stencil))
- info = &skip_stencil;
- }
-
- if (info == &skip_stencil) {
- ilo_warn("ignore stencil buffer blitting\n");
- }
- else {
- ilo_warn("failed to blit with the generic blitter\n");
- return;
- }
- }
- ilo_blitter_begin(ilo, ILO_BLITTER_BLIT);
- util_blitter_blit(ilo->blitter, info);
- ilo_blitter_end(ilo);
+ ilo_blitter_pipe_blit(ilo->blitter, info);
}
/**
void
ilo_init_blit_functions(struct ilo_context *ilo)
{
- ilo->base.resource_copy_region = util_resource_copy_region;
+ ilo->base.resource_copy_region = ilo_resource_copy_region;
ilo->base.blit = ilo_blit;
ilo->base.clear = ilo_clear;
projects / mesa.git / blobdiff