void renderer_copy_prepare(struct xorg_renderer *r,
struct pipe_surface *dst_surface,
struct pipe_texture *src_texture)
{
struct pipe_context *pipe = r->pipe;
struct pipe_screen *screen = pipe->screen;
struct xorg_shader shader;
assert(screen->is_format_supported(screen, dst_surface->format,
PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_RENDER_TARGET,
0));
/* set misc state we care about */
{
struct pipe_blend_state blend;
memset(&blend, 0, sizeof(blend));
blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.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 */
cso_set_sampler_textures(r->cso, 1, &src_texture);
/* shaders */
shader = xorg_shaders_get(r->shaders,
VS_COMPOSITE,
FS_COMPOSITE);
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;
}
static void
bind_shaders(struct exa_context *exa, int op,
PicturePtr pSrcPicture, PicturePtr pMaskPicture, PicturePtr pDstPicture,
struct exa_pixmap_priv *pSrc, struct exa_pixmap_priv *pMask)
{
unsigned vs_traits = 0, fs_traits = 0;
struct xorg_shader shader;
exa->has_solid_color = FALSE;
if (pSrcPicture) {
if (pSrcPicture->repeatType == RepeatNone && pSrcPicture->transform)
fs_traits |= FS_SRC_REPEAT_NONE;
if (pSrcPicture->pSourcePict) {
if (pSrcPicture->pSourcePict->type == SourcePictTypeSolidFill) {
fs_traits |= FS_SOLID_FILL;
vs_traits |= VS_SOLID_FILL;
debug_assert(pSrcPicture->format == PICT_a8r8g8b8);
pixel_to_float4(pSrcPicture->pSourcePict->solidFill.color,
exa->solid_color, PIPE_FORMAT_B8G8R8A8_UNORM);
exa->has_solid_color = TRUE;
} else {
debug_assert("!gradients not supported");
}
} else {
fs_traits |= FS_COMPOSITE;
vs_traits |= VS_COMPOSITE;
}
fs_traits |= picture_format_fixups(pSrc, pSrcPicture, FALSE, pDstPicture);
}
if (pMaskPicture) {
vs_traits |= VS_MASK;
fs_traits |= FS_MASK;
if (pMaskPicture->repeatType == RepeatNone && pMaskPicture->transform)
fs_traits |= FS_MASK_REPEAT_NONE;
if (pMaskPicture->componentAlpha) {
struct xorg_composite_blend blend;
blend_for_op(&blend, op,
pSrcPicture, pMaskPicture, NULL);
if (blend.alpha_src) {
fs_traits |= FS_CA_SRCALPHA;
} else
fs_traits |= FS_CA_FULL;
}
fs_traits |= picture_format_fixups(pMask, pMaskPicture, TRUE, pDstPicture);
}
shader = xorg_shaders_get(exa->renderer->shaders, vs_traits, fs_traits);
cso_set_vertex_shader_handle(exa->renderer->cso, shader.vs);
cso_set_fragment_shader_handle(exa->renderer->cso, shader.fs);
}
boolean xorg_solid_bind_state(struct exa_context *exa,
struct exa_pixmap_priv *pixmap,
Pixel fg)
{
struct pipe_surface *dst_surf = xorg_gpu_surface(exa->pipe, pixmap);
unsigned vs_traits, fs_traits;
struct xorg_shader shader;
pixel_to_float4(fg, exa->solid_color, pixmap->tex->format);
exa->has_solid_color = TRUE;
#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(exa->renderer, dst_surf,
pixmap->width, pixmap->height);
bind_blend_state(exa, PictOpSrc, NULL, NULL, NULL);
cso_set_samplers(exa->renderer->cso, PIPE_SHADER_FRAGMENT, 0, NULL);
cso_set_sampler_views(exa->renderer->cso, PIPE_SHADER_FRAGMENT, 0, NULL);
shader = xorg_shaders_get(exa->renderer->shaders, vs_traits, fs_traits);
cso_set_vertex_shader_handle(exa->renderer->cso, shader.vs);
cso_set_fragment_shader_handle(exa->renderer->cso, shader.fs);
renderer_begin_solid(exa->renderer);
pipe_surface_reference(&dst_surf, NULL);
return TRUE;
}
