XA_EXPORT int
xa_composite_prepare(struct xa_context *ctx,
const struct xa_composite *comp)
{
struct xa_surface *dst_srf = comp->dst->srf;
int ret;
ret = xa_ctx_srf_create(ctx, dst_srf);
if (ret != XA_ERR_NONE)
return ret;
ctx->dst = dst_srf;
renderer_bind_destination(ctx, ctx->srf, ctx->srf->width,
ctx->srf->height);
ret = bind_composite_blend_state(ctx, comp);
if (ret != XA_ERR_NONE)
return ret;
ret = bind_shaders(ctx, comp);
if (ret != XA_ERR_NONE)
return ret;
bind_samplers(ctx, comp);
if (ctx->num_bound_samplers == 0 ) { /* solid fill */
renderer_begin_solid(ctx);
} else {
renderer_begin_textures(ctx);
ctx->comp = comp;
}
xa_ctx_srf_destroy(ctx);
return XA_ERR_NONE;
}
XA_EXPORT 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;
ret = xa_ctx_srf_create(ctx, dst);
if (ret != XA_ERR_NONE)
return ret;
if (ctx->srf->format == PIPE_FORMAT_L8_UNORM)
xa_pixel_to_float4_a8(fg, ctx->solid_color);
else
xa_pixel_to_float4(fg, ctx->solid_color);
ctx->has_solid_color = 1;
ctx->dst = dst;
width = ctx->srf->width;
height = ctx->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, ctx->srf, width, height);
bind_solid_blend_state(ctx);
cso_set_samplers(ctx->cso, PIPE_SHADER_FRAGMENT, 0, NULL);
cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 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_ctx_srf_destroy(ctx);
return XA_ERR_NONE;
}
XA_EXPORT int
xa_copy_prepare(struct xa_context *ctx,
struct xa_surface *dst, struct xa_surface *src)
{
if (src == dst || ctx->srf != NULL)
return -XA_ERR_INVAL;
if (src->tex->format != dst->tex->format) {
int ret = xa_ctx_srf_create(ctx, dst);
if (ret != XA_ERR_NONE)
return ret;
renderer_copy_prepare(ctx, ctx->srf, src->tex,
src->fdesc.xa_format,
dst->fdesc.xa_format);
ctx->simple_copy = 0;
} else
ctx->simple_copy = 1;
ctx->src = src;
ctx->dst = dst;
xa_ctx_srf_destroy(ctx);
return 0;
}
