static int
bind_shaders(struct xa_context *ctx, const struct xa_composite *comp)
{
unsigned vs_traits = 0, fs_traits = 0;
struct xa_shader shader;
struct xa_picture *src_pic = comp->src;
struct xa_picture *mask_pic = comp->mask;
ctx->has_solid_color = FALSE;
if (src_pic) {
if (src_pic->wrap == xa_wrap_clamp_to_border && src_pic->has_transform)
fs_traits |= FS_SRC_REPEAT_NONE;
if (src_pic->src_pict) {
if (src_pic->src_pict->type == xa_src_pict_solid_fill) {
fs_traits |= FS_SOLID_FILL | FS_FILL;
vs_traits |= VS_SOLID_FILL;
xa_pixel_to_float4(src_pic->src_pict->solid_fill.color,
ctx->solid_color);
ctx->has_solid_color = TRUE;
}
} else {
fs_traits |= FS_COMPOSITE;
vs_traits |= VS_COMPOSITE;
}
fs_traits |= picture_format_fixups(src_pic, 0);
}
if (mask_pic) {
vs_traits |= VS_MASK;
fs_traits |= FS_MASK;
if (mask_pic->wrap == xa_wrap_clamp_to_border &&
mask_pic->has_transform)
fs_traits |= FS_MASK_REPEAT_NONE;
if (mask_pic->component_alpha) {
struct xa_composite_blend blend;
if (!blend_for_op(&blend, comp->op, src_pic, mask_pic, NULL))
return -XA_ERR_INVAL;
if (blend.alpha_src) {
fs_traits |= FS_CA_SRCALPHA;
} else
fs_traits |= FS_CA_FULL;
}
fs_traits |= picture_format_fixups(mask_pic, 1);
}
if (ctx->srf->format == PIPE_FORMAT_L8_UNORM)
fs_traits |= FS_DST_LUMINANCE;
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);
return XA_ERR_NONE;
}
static void
xa_yuv_bind_shaders(struct xa_context *r)
{
unsigned vs_traits = 0, fs_traits = 0;
struct xa_shader shader;
vs_traits |= VS_YUV;
fs_traits |= FS_YUV;
shader = xa_shaders_get(r->shaders, vs_traits, fs_traits);
cso_set_vertex_shader_handle(r->cso, shader.vs);
cso_set_fragment_shader_handle(r->cso, shader.fs);
}
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;
}
void
renderer_copy_prepare(struct xa_context *r,
struct pipe_surface *dst_surface,
struct pipe_resource *src_texture,
const enum xa_formats src_xa_format,
const enum xa_formats dst_xa_format)
{
struct pipe_context *pipe = r->pipe;
struct pipe_screen *screen = pipe->screen;
struct xa_shader shader;
uint32_t fs_traits = FS_COMPOSITE;
assert(screen->is_format_supported(screen, dst_surface->format,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_RENDER_TARGET));
(void)screen;
/* set misc state we care about */
{
struct pipe_blend_state blend;
memset(&blend, 0, sizeof(blend));
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;
blend.rt[0].colormask = PIPE_MASK_RGBA;
cso_set_blend(r->cso, &blend);
}
/* sampler */
{
struct pipe_sampler_state sampler;
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.normalized_coords = 1;
cso_single_sampler(r->cso, 0, &sampler);
cso_single_sampler_done(r->cso);
}
renderer_bind_destination(r, dst_surface,
dst_surface->width, dst_surface->height);
/* texture/sampler view */
{
struct pipe_sampler_view templ;
struct pipe_sampler_view *src_view;
u_sampler_view_default_template(&templ,
src_texture, src_texture->format);
src_view = pipe->create_sampler_view(pipe, src_texture, &templ);
cso_set_fragment_sampler_views(r->cso, 1, &src_view);
pipe_sampler_view_reference(&src_view, NULL);
}
/* shaders */
if (src_texture->format == PIPE_FORMAT_L8_UNORM)
fs_traits |= FS_SRC_LUMINANCE;
if (dst_surface->format == PIPE_FORMAT_L8_UNORM)
fs_traits |= FS_DST_LUMINANCE;
if (xa_format_a(dst_xa_format) != 0 &&
xa_format_a(src_xa_format) == 0)
fs_traits |= FS_SRC_SET_ALPHA;
shader = xa_shaders_get(r->shaders, VS_COMPOSITE, fs_traits);
cso_set_vertex_shader_handle(r->cso, shader.vs);
cso_set_fragment_shader_handle(r->cso, shader.fs);
r->buffer_size = 0;
r->attrs_per_vertex = 2;
}
