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/**********************************************************
* Copyright 2011 VMware, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**********************************************************/
#ifndef SVGA_FORMAT_H_
#define SVGA_FORMAT_H_
#include "pipe/p_format.h"
#include "svga_context.h"
#include "svga_types.h"
#include "svga_reg.h"
#include "svga3d_reg.h"
struct svga_screen;
/**
* Vertex format flags. These are used to specify that some vertex formats
* need extra processing/conversion in the vertex shader. For example,
* setting the W component to 1, or swapping R/B, or converting packed uint
* types to signed int/snorm.
*/
#define VF_ADJUST_RANGE (1 << 0)
#define VF_W_TO_1 (1 << 1)
#define VF_U_TO_F_CAST (1 << 2) /* convert uint to float */
#define VF_I_TO_F_CAST (1 << 3) /* convert sint to float */
#define VF_BGRA (1 << 4) /* swap R/B */
#define VF_PUINT_TO_SNORM (1 << 5) /* 10_10_10_2 to snorm */
#define VF_PUINT_TO_USCALED (1 << 6) /* 10_10_10_2 to uscaled */
#define VF_PUINT_TO_SSCALED (1 << 7) /* 10_10_10_2 to sscaled */
/**
* Texture format flags.
*/
#define TF_GEN_MIPS (1 << 8) /* supports hw generate mipmap */
void
svga_translate_vertex_format_vgpu10(enum pipe_format format,
SVGA3dSurfaceFormat *svga_format,
unsigned *vf_flags);
enum SVGA3dSurfaceFormat
svga_translate_format(const struct svga_screen *ss,
enum pipe_format format,
unsigned bind);
void
svga_get_format_cap(struct svga_screen *ss,
SVGA3dSurfaceFormat format,
SVGA3dSurfaceFormatCaps *caps);
void
svga_format_size(SVGA3dSurfaceFormat format,
unsigned *block_width,
unsigned *block_height,
unsigned *bytes_per_block);
const char *
svga_format_name(SVGA3dSurfaceFormat format);
boolean
svga_format_is_integer(SVGA3dSurfaceFormat format);
boolean
svga_format_support_gen_mips(enum pipe_format format);
enum tgsi_return_type
svga_get_texture_datatype(enum pipe_format format);
// XXX: Move this to svga_context?
boolean
svga_has_any_integer_cbufs(const struct svga_context *svga);
SVGA3dSurfaceFormat
svga_typeless_format(SVGA3dSurfaceFormat format);
SVGA3dSurfaceFormat
svga_sampler_format(SVGA3dSurfaceFormat format);
bool
svga_format_is_uncompressed_snorm(SVGA3dSurfaceFormat format);
bool
svga_format_is_typeless(SVGA3dSurfaceFormat format);
bool
svga_format_is_shareable(const struct svga_screen *ss,
enum pipe_format pformat,
SVGA3dSurfaceFormat sformat,
unsigned bind,
bool verbose);
SVGA3dSurfaceFormat
svga_linear_to_srgb(SVGA3dSurfaceFormat format);
boolean
svga_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned storage_sample_count,
unsigned bindings);
#endif /* SVGA_FORMAT_H_ */
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