/**
* Make a fragment shader that sets the output stencil to a stencil value
* fetched from a multisample texture.
* \param tex_target one of PIPE_TEXTURE_x
*/
void *
util_make_fs_blit_msaa_stencil(struct pipe_context *pipe,
enum tgsi_texture_type tgsi_tex)
{
return util_make_fs_blit_msaa_gen(pipe, tgsi_tex, "UINT",
"STENCIL", ".y", "", "");
}
/**
* Make a fragment shader that sets the output depth to a depth value
* fetched from a multisample texture.
* \param tex_target one of PIPE_TEXTURE_x
*/
void *
util_make_fs_blit_msaa_depth(struct pipe_context *pipe,
enum tgsi_texture_type tgsi_tex)
{
return util_make_fs_blit_msaa_gen(pipe, tgsi_tex, "FLOAT",
"POSITION", ".z", "", "");
}
/**
* Make a fragment shader that sets the output color to a color
* fetched from a multisample texture.
* \param tex_target one of PIPE_TEXTURE_x
*/
void *
util_make_fs_blit_msaa_color(struct pipe_context *pipe,
enum tgsi_texture_type tgsi_tex,
enum tgsi_return_type stype,
enum tgsi_return_type dtype)
{
const char *samp_type;
const char *conversion_decl = "";
const char *conversion = "";
if (stype == TGSI_RETURN_TYPE_UINT) {
samp_type = "UINT";
if (dtype == TGSI_RETURN_TYPE_SINT) {
conversion_decl = "IMM[0] UINT32 {2147483647, 0, 0, 0}\n";
conversion = "UMIN TEMP[0], TEMP[0], IMM[0].xxxx\n";
}
} else if (stype == TGSI_RETURN_TYPE_SINT) {
samp_type = "SINT";
if (dtype == TGSI_RETURN_TYPE_UINT) {
conversion_decl = "IMM[0] INT32 {0, 0, 0, 0}\n";
conversion = "IMAX TEMP[0], TEMP[0], IMM[0].xxxx\n";
}
} else {
assert(dtype == TGSI_RETURN_TYPE_FLOAT);
samp_type = "FLOAT";
}
return util_make_fs_blit_msaa_gen(pipe, tgsi_tex, samp_type,
"COLOR[0]", "", conversion_decl,
conversion);
}
/**
* Make a fragment shader that sets the output stencil to a stencil value
* fetched from a multisample texture.
* \param tex_target one of PIPE_TEXTURE_x
*/
void *
util_make_fs_blit_msaa_stencil(struct pipe_context *pipe,
unsigned tgsi_tex)
{
return util_make_fs_blit_msaa_gen(pipe, tgsi_tex,
"STENCIL", ".y");
}
/**
* Make a fragment shader that sets the output depth to a depth value
* fetched from a multisample texture.
* \param tex_target one of PIPE_TEXTURE_x
*/
void *
util_make_fs_blit_msaa_depth(struct pipe_context *pipe,
unsigned tgsi_tex)
{
return util_make_fs_blit_msaa_gen(pipe, tgsi_tex,
"POSITION", ".z");
}
/**
* Make a fragment shader that sets the output color to a color
* fetched from a multisample texture.
* \param tex_target one of PIPE_TEXTURE_x
*/
void *
util_make_fs_blit_msaa_color(struct pipe_context *pipe,
unsigned tgsi_tex)
{
return util_make_fs_blit_msaa_gen(pipe, tgsi_tex,
"COLOR[0]", "");
}
