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/**********************************************************
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* Copyright 2009-2011 VMware, Inc. All rights reserved.
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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*********************************************************
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* Zack Rusin <zackr-at-vmware-dot-com>
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* Thomas Hellstrom <thellstrom-at-vmware-dot-com>
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#include "xa_tracker.h"
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#include "xa_context.h"
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#include "xa_composite.h"
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#include "pipe/p_screen.h"
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#include "pipe/p_context.h"
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#include "pipe/p_state.h"
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#include "util/u_math.h"
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#define XA_EXPORT __attribute__ ((visibility("default")))
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#define XA_VB_SIZE (100 * 4 * 3 * 4)
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#define XA_LAST_SURFACE_TYPE (xa_type_yuv_component + 1)
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#define XA_MAX_SAMPLERS 3
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struct pipe_fence_handle *pipe_fence;
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struct xa_tracker *xa;
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struct xa_format_descriptor {
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enum pipe_format format;
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enum xa_formats xa_format;
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struct pipe_resource template;
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struct xa_tracker *xa;
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struct pipe_resource *tex;
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struct pipe_transfer *transfer;
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struct xa_format_descriptor fdesc;
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struct pipe_context *mapping_pipe;
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enum xa_formats *supported_formats;
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unsigned int format_map[XA_LAST_SURFACE_TYPE][2];
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struct pipe_loader_device *dev;
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struct pipe_screen *screen;
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struct xa_context *default_ctx;
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struct xa_tracker *xa;
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struct pipe_context *pipe;
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struct cso_context *cso;
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struct xa_shaders *shaders;
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struct pipe_resource *vs_const_buffer;
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struct pipe_resource *fs_const_buffer;
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float buffer[XA_VB_SIZE];
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unsigned int buffer_size;
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struct pipe_vertex_element velems[3];
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/* number of attributes per vertex for the current
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unsigned int attrs_per_vertex;
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unsigned int fb_width;
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unsigned int fb_height;
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struct pipe_fence_handle *last_fence;
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struct xa_surface *src;
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struct xa_surface *dst;
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struct pipe_surface *srf;
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/* destination scissor state.. we scissor out untouched parts
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* of the dst for the benefit of tilers:
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struct pipe_scissor_state scissor;
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float solid_color[4];
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unsigned int num_bound_samplers;
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struct pipe_sampler_view *bound_sampler_views[XA_MAX_SAMPLERS];
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const struct xa_composite *comp;
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xa_scissor_reset(struct xa_context *ctx)
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ctx->scissor.maxx = 0;
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ctx->scissor.maxy = 0;
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ctx->scissor.minx = ~0;
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ctx->scissor.miny = ~0;
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ctx->scissor_valid = FALSE;
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xa_scissor_update(struct xa_context *ctx, unsigned minx, unsigned miny,
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unsigned maxx, unsigned maxy)
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ctx->scissor.maxx = MAX2(ctx->scissor.maxx, maxx);
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ctx->scissor.maxy = MAX2(ctx->scissor.maxy, maxy);
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ctx->scissor.minx = MIN2(ctx->scissor.minx, minx);
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ctx->scissor.miny = MIN2(ctx->scissor.miny, miny);
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ctx->scissor_valid = TRUE;
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VS_COMPOSITE = 1 << 0,
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VS_MASK_SRC = 1 << 3,
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FS_COMPOSITE = 1 << 0,
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FS_MASK_SRC = 1 << 3,
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FS_SRC_REPEAT_NONE = 1 << 5,
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FS_MASK_REPEAT_NONE = 1 << 6,
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FS_SRC_SWIZZLE_RGB = 1 << 7,
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FS_MASK_SWIZZLE_RGB = 1 << 8,
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FS_SRC_SET_ALPHA = 1 << 9,
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FS_MASK_SET_ALPHA = 1 << 10,
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FS_SRC_LUMINANCE = 1 << 11,
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FS_MASK_LUMINANCE = 1 << 12,
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FS_DST_LUMINANCE = 1 << 13,
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return ((a <= b) ? a : b);
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xa_pixel_to_float4(uint32_t pixel, float *color)
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a = (pixel >> 24) & 0xff;
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r = (pixel >> 16) & 0xff;
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g = (pixel >> 8) & 0xff;
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b = (pixel >> 0) & 0xff;
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color[0] = ((float)r) / 255.;
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color[1] = ((float)g) / 255.;
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color[2] = ((float)b) / 255.;
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color[3] = ((float)a) / 255.;
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xa_pixel_to_float4_a8(uint32_t pixel, float *color)
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a = (pixel >> 24) & 0xff;
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color[0] = ((float)a) / 255.;
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color[1] = ((float)a) / 255.;
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color[2] = ((float)a) / 255.;
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color[3] = ((float)a) / 255.;
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extern struct xa_shaders *xa_shaders_create(struct xa_context *);
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void xa_shaders_destroy(struct xa_shaders *shaders);
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struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
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unsigned vs_traits, unsigned fs_traits);
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xa_context_flush(struct xa_context *ctx);
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xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst);
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xa_ctx_srf_destroy(struct xa_context *ctx);
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xa_ctx_sampler_views_destroy(struct xa_context *ctx);
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void renderer_set_constants(struct xa_context *r,
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int shader_type, const float *params,
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void renderer_draw_yuv(struct xa_context *r,
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int dst_y, int dst_w, int dst_h,
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struct xa_surface *srf[]);
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void renderer_bind_destination(struct xa_context *r,
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struct pipe_surface *surface);
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void renderer_init_state(struct xa_context *r);
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void renderer_copy_prepare(struct xa_context *r,
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struct pipe_surface *dst_surface,
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struct pipe_resource *src_texture,
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const enum xa_formats src_xa_format,
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const enum xa_formats dst_xa_format);
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void renderer_copy(struct xa_context *r, int dx,
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int width, int height, float src_width, float src_height);
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void renderer_draw_flush(struct xa_context *r);
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void renderer_begin_solid(struct xa_context *r);
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void renderer_solid(struct xa_context *r,
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int x0, int y0, int x1, int y1);
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renderer_begin_textures(struct xa_context *r);
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renderer_texture(struct xa_context *r,
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int width, int height,
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const float *src_matrix,
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const float *mask_matrix);