mirror of
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98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
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#include "util/u_inlines.h"
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#include "util/u_memory.h"
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#include "util/u_math.h"
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#include "nouveau/nouveau_screen.h"
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#include "nouveau/nouveau_winsys.h"
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#include "nvfx_resource.h"
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#include "nvfx_screen.h"
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void nvfx_buffer_destroy(struct pipe_screen *pscreen,
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struct pipe_resource *presource)
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{
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struct nvfx_buffer *buffer = nvfx_buffer(presource);
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if(!(buffer->base.base.flags & NVFX_RESOURCE_FLAG_USER))
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align_free(buffer->data);
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nouveau_screen_bo_release(pscreen, buffer->base.bo);
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FREE(buffer);
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}
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struct pipe_resource *
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nvfx_buffer_create(struct pipe_screen *pscreen,
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const struct pipe_resource *template)
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{
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struct nvfx_screen* screen = nvfx_screen(pscreen);
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struct nvfx_buffer* buffer;
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buffer = CALLOC_STRUCT(nvfx_buffer);
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if (!buffer)
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return NULL;
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buffer->base.base = *template;
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buffer->base.base.flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
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pipe_reference_init(&buffer->base.base.reference, 1);
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buffer->base.base.screen = pscreen;
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buffer->size = util_format_get_stride(template->format, template->width0);
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buffer->bytes_to_draw_until_static = buffer->size * screen->static_reuse_threshold;
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buffer->data = align_malloc(buffer->size, 16);
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return &buffer->base.base;
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}
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struct pipe_resource *
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nvfx_user_buffer_create(struct pipe_screen *pscreen,
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void *ptr,
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unsigned bytes,
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unsigned usage)
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{
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struct nvfx_screen* screen = nvfx_screen(pscreen);
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struct nvfx_buffer* buffer;
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buffer = CALLOC_STRUCT(nvfx_buffer);
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if (!buffer)
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return NULL;
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pipe_reference_init(&buffer->base.base.reference, 1);
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buffer->base.base.flags =
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NOUVEAU_RESOURCE_FLAG_LINEAR | NVFX_RESOURCE_FLAG_USER;
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buffer->base.base.screen = pscreen;
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buffer->base.base.format = PIPE_FORMAT_R8_UNORM;
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buffer->base.base.usage = PIPE_USAGE_IMMUTABLE;
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buffer->base.base.bind = usage;
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buffer->base.base.width0 = bytes;
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buffer->base.base.height0 = 1;
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buffer->base.base.depth0 = 1;
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buffer->base.base.array_size = 1;
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buffer->data = ptr;
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buffer->size = bytes;
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buffer->bytes_to_draw_until_static = bytes * screen->static_reuse_threshold;
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buffer->dirty_end = bytes;
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return &buffer->base.base;
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}
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void nvfx_buffer_upload(struct nvfx_buffer* buffer)
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{
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unsigned dirty = buffer->dirty_end - buffer->dirty_begin;
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if(!buffer->base.bo)
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{
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buffer->base.bo = nouveau_screen_bo_new(buffer->base.base.screen,
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16,
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buffer->base.base.usage,
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buffer->base.base.bind,
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buffer->base.base.width0);
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}
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if(dirty)
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{
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// TODO: may want to use a temporary in some cases
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nouveau_bo_map(buffer->base.bo, NOUVEAU_BO_WR
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| (buffer->dirty_unsynchronized ? NOUVEAU_BO_NOSYNC : 0));
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memcpy((uint8_t*)buffer->base.bo->map + buffer->dirty_begin, buffer->data + buffer->dirty_begin, dirty);
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nouveau_bo_unmap(buffer->base.bo);
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buffer->dirty_begin = buffer->dirty_end = 0;
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}
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}
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