diff options
Diffstat (limited to 'src/gallium/state_trackers/xa/xa_context.c')
-rw-r--r-- | src/gallium/state_trackers/xa/xa_context.c | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xa/xa_context.c b/src/gallium/state_trackers/xa/xa_context.c new file mode 100644 index 00000000000..3cc25ed2071 --- /dev/null +++ b/src/gallium/state_trackers/xa/xa_context.c @@ -0,0 +1,386 @@ +/********************************************************** + * Copyright 2009-2011 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, 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 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: + * Zack Rusin <zackr-at-vmware-dot-com> + * Thomas Hellstrom <thellstrom-at-vmware-dot-com> + */ +#include "xa_context.h" +#include "xa_priv.h" +#include "cso_cache/cso_context.h" +#include "util/u_inlines.h" +#include "util/u_rect.h" +#include "util/u_surface.h" +#include "pipe/p_context.h" + + +struct xa_context * +xa_context_default(struct xa_tracker *xa) +{ + return xa->default_ctx; +} + +struct xa_context * +xa_context_create(struct xa_tracker *xa) +{ + struct xa_context *ctx = calloc(1, sizeof(*ctx)); + + ctx->xa = xa; + ctx->pipe = xa->screen->context_create(xa->screen, NULL); + ctx->cso = cso_create_context(ctx->pipe); + ctx->shaders = xa_shaders_create(ctx); + renderer_init_state(ctx); + + return ctx; +} + +void +xa_context_destroy(struct xa_context *r) +{ + struct pipe_resource **vsbuf = &r->vs_const_buffer; + struct pipe_resource **fsbuf = &r->fs_const_buffer; + + if (*vsbuf) + pipe_resource_reference(vsbuf, NULL); + + if (*fsbuf) + pipe_resource_reference(fsbuf, NULL); + + if (r->shaders) { + xa_shaders_destroy(r->shaders); + r->shaders = NULL; + } + + if (r->cso) { + cso_release_all(r->cso); + cso_destroy_context(r->cso); + r->cso = NULL; + } +} + +int +xa_surface_dma(struct xa_context *ctx, + struct xa_surface *srf, + void *data, + unsigned int pitch, + int to_surface, struct xa_box *boxes, unsigned int num_boxes) +{ + struct pipe_transfer *transfer; + void *map; + int w, h, i; + enum pipe_transfer_usage transfer_direction; + struct pipe_context *pipe = ctx->pipe; + + transfer_direction = (to_surface ? PIPE_TRANSFER_WRITE : + PIPE_TRANSFER_READ); + + for (i = 0; i < num_boxes; ++i, ++boxes) { + w = boxes->x2 - boxes->x1; + h = boxes->y2 - boxes->y1; + + transfer = pipe_get_transfer(pipe, srf->tex, 0, 0, + transfer_direction, boxes->x1, boxes->y1, + w, h); + if (!transfer) + return -XA_ERR_NORES; + + map = pipe_transfer_map(ctx->pipe, transfer); + if (!map) + goto out_no_map; + + if (to_surface) { + util_copy_rect(map, srf->tex->format, transfer->stride, + 0, 0, w, h, data, pitch, boxes->x1, boxes->y1); + } else { + util_copy_rect(data, srf->tex->format, pitch, + boxes->x1, boxes->y1, w, h, map, transfer->stride, 0, + 0); + } + pipe->transfer_unmap(pipe, transfer); + pipe->transfer_destroy(pipe, transfer); + if (to_surface) + pipe->flush(pipe, &ctx->last_fence); + } + return XA_ERR_NONE; + out_no_map: + pipe->transfer_destroy(pipe, transfer); + return -XA_ERR_NORES; +} + +void * +xa_surface_map(struct xa_context *ctx, + struct xa_surface *srf, unsigned int usage) +{ + void *map; + unsigned int transfer_direction = 0; + struct pipe_context *pipe = ctx->pipe; + + if (srf->transfer) + return NULL; + + if (usage & XA_MAP_READ) + transfer_direction = PIPE_TRANSFER_READ; + if (usage & XA_MAP_WRITE) + transfer_direction = PIPE_TRANSFER_WRITE; + + if (!transfer_direction) + return NULL; + + srf->transfer = pipe_get_transfer(pipe, srf->tex, 0, 0, + transfer_direction, 0, 0, + srf->tex->width0, srf->tex->height0); + if (!srf->transfer) + return NULL; + + map = pipe_transfer_map(pipe, srf->transfer); + if (!map) + pipe->transfer_destroy(pipe, srf->transfer); + + srf->mapping_pipe = pipe; + return map; +} + +void +xa_surface_unmap(struct xa_surface *srf) +{ + if (srf->transfer) { + struct pipe_context *pipe = srf->mapping_pipe; + + pipe->transfer_unmap(pipe, srf->transfer); + pipe->transfer_destroy(pipe, srf->transfer); + srf->transfer = NULL; + } +} + +int +xa_surface_psurf_create(struct xa_context *ctx, struct xa_surface *dst) +{ + struct pipe_screen *screen = ctx->pipe->screen; + struct pipe_surface srf_templ; + + if (dst->srf) + return -XA_ERR_INVAL; + + if (!screen->is_format_supported(screen, dst->tex->format, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_RENDER_TARGET)) + return -XA_ERR_INVAL; + + u_surface_default_template(&srf_templ, dst->tex, + PIPE_BIND_RENDER_TARGET); + dst->srf = ctx->pipe->create_surface(ctx->pipe, dst->tex, &srf_templ); + if (!dst->srf) + return -XA_ERR_NORES; + + return XA_ERR_NONE; +} + +void +xa_surface_psurf_destroy(struct xa_surface *dst) +{ + pipe_surface_reference(&dst->srf, NULL); +} + +int +xa_copy_prepare(struct xa_context *ctx, + struct xa_surface *dst, struct xa_surface *src) +{ + if (src == dst || dst->srf != NULL) + return -XA_ERR_INVAL; + + if (src->tex->format != dst->tex->format) { + int ret = xa_surface_psurf_create(ctx, dst); + if (ret != XA_ERR_NONE) + return ret; + renderer_copy_prepare(ctx, dst->srf, src->tex); + ctx->simple_copy = 0; + } else + ctx->simple_copy = 1; + + ctx->src = src; + ctx->dst = dst; + + return 0; +} + +void +xa_copy(struct xa_context *ctx, + int dx, int dy, int sx, int sy, int width, int height) +{ + struct pipe_box src_box; + + if (ctx->simple_copy) { + u_box_2d(sx, sy, width, height, &src_box); + ctx->pipe->resource_copy_region(ctx->pipe, + ctx->dst->tex, 0, dx, dy, 0, + ctx->src->tex, + 0, &src_box); + } else + renderer_copy(ctx, dx, dy, sx, sy, width, height, + (float) width, (float) height); +} + +void +xa_copy_done(struct xa_context *ctx) +{ + if (!ctx->simple_copy) { + renderer_draw_flush(ctx); + ctx->pipe->flush(ctx->pipe, &ctx->last_fence); + xa_surface_psurf_destroy(ctx->dst); + } else + ctx->pipe->flush(ctx->pipe, &ctx->last_fence); +} + +static void +bind_solid_blend_state(struct xa_context *ctx) +{ + struct pipe_blend_state blend; + + memset(&blend, 0, sizeof(struct pipe_blend_state)); + blend.rt[0].blend_enable = 0; + blend.rt[0].colormask = PIPE_MASK_RGBA; + + blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; + blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; + + cso_set_blend(ctx->cso, &blend); +} + +int +xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst, + uint32_t fg) +{ + unsigned vs_traits, fs_traits; + struct xa_shader shader; + int width, height; + int ret; + + xa_pixel_to_float4(fg, ctx->solid_color); + ctx->has_solid_color = 1; + + ret = xa_surface_psurf_create(ctx, dst); + if (ret != XA_ERR_NONE) + return ret; + + ctx->dst = dst; + width = dst->srf->width; + height = dst->srf->height; + +#if 0 + debug_printf("Color Pixel=(%d, %d, %d, %d), RGBA=(%f, %f, %f, %f)\n", + (fg >> 24) & 0xff, (fg >> 16) & 0xff, + (fg >> 8) & 0xff, (fg >> 0) & 0xff, + exa->solid_color[0], exa->solid_color[1], + exa->solid_color[2], exa->solid_color[3]); +#endif + + vs_traits = VS_SOLID_FILL; + fs_traits = FS_SOLID_FILL; + + renderer_bind_destination(ctx, dst->srf, width, height); + bind_solid_blend_state(ctx); + cso_set_samplers(ctx->cso, 0, NULL); + cso_set_fragment_sampler_views(ctx->cso, 0, NULL); + + shader = xa_shaders_get(ctx->shaders, vs_traits, fs_traits); + cso_set_vertex_shader_handle(ctx->cso, shader.vs); + cso_set_fragment_shader_handle(ctx->cso, shader.fs); + + renderer_begin_solid(ctx); + + xa_surface_psurf_destroy(dst); + return XA_ERR_NONE; +} + +void +xa_solid(struct xa_context *ctx, int x, int y, int width, int height) +{ + renderer_solid(ctx, x, y, x + width, y + height, ctx->solid_color); +} + +void +xa_solid_done(struct xa_context *ctx) +{ + renderer_draw_flush(ctx); + ctx->pipe->flush(ctx->pipe, &ctx->last_fence); + + ctx->comp = NULL; + ctx->has_solid_color = FALSE; + ctx->num_bound_samplers = 0; +} + +struct xa_fence * +xa_fence_get(struct xa_context *ctx) +{ + struct xa_fence *fence = malloc(sizeof(*fence)); + struct pipe_screen *screen = ctx->xa->screen; + + if (!fence) + return NULL; + + fence->xa = ctx->xa; + + if (ctx->last_fence == NULL) + fence->pipe_fence = NULL; + else + screen->fence_reference(screen, &fence->pipe_fence, ctx->last_fence); + + return fence; +} + +int +xa_fence_wait(struct xa_fence *fence, uint64_t timeout) +{ + if (!fence) + return XA_ERR_NONE; + + if (fence->pipe_fence) { + struct pipe_screen *screen = fence->xa->screen; + boolean timed_out; + + timed_out = !screen->fence_finish(screen, fence->pipe_fence, timeout); + if (timed_out) + return -XA_ERR_BUSY; + + screen->fence_reference(screen, &fence->pipe_fence, NULL); + } + return XA_ERR_NONE; +} + +void +xa_fence_destroy(struct xa_fence *fence) +{ + if (!fence) + return; + + if (fence->pipe_fence) { + struct pipe_screen *screen = fence->xa->screen; + + screen->fence_reference(screen, &fence->pipe_fence, NULL); + } + + free(fence); +} |