1 /********************************************************** 2 * Copyright 2011 VMware, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person 5 * obtaining a copy of this software and associated documentation 6 * files (the "Software"), to deal in the Software without 7 * restriction, including without limitation the rights to use, copy, 8 * modify, merge, publish, distribute, sublicense, and/or sell copies 9 * of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 **********************************************************/ 25 26 #ifndef SVGA_FORMAT_H_ 27 #define SVGA_FORMAT_H_ 28 29 30 #include "pipe/p_format.h" 31 #include "svga_context.h" 32 #include "svga_types.h" 33 #include "svga_reg.h" 34 #include "svga3d_reg.h" 35 36 37 struct svga_screen; 38 39 40 /** 41 * Vertex format flags. These are used to specify that some vertex formats 42 * need extra processing/conversion in the vertex shader. For example, 43 * setting the W component to 1, or swapping R/B, or converting packed uint 44 * types to signed int/snorm. 45 */ 46 #define VF_ADJUST_RANGE (1 << 0) 47 #define VF_W_TO_1 (1 << 1) 48 #define VF_U_TO_F_CAST (1 << 2) /* convert uint to float */ 49 #define VF_I_TO_F_CAST (1 << 3) /* convert sint to float */ 50 #define VF_BGRA (1 << 4) /* swap R/B */ 51 #define VF_PUINT_TO_SNORM (1 << 5) /* 10_10_10_2 to snorm */ 52 #define VF_PUINT_TO_USCALED (1 << 6) /* 10_10_10_2 to uscaled */ 53 #define VF_PUINT_TO_SSCALED (1 << 7) /* 10_10_10_2 to sscaled */ 54 55 /** 56 * Texture format flags. 57 */ 58 #define TF_GEN_MIPS (1 << 8) /* supports hw generate mipmap */ 59 60 void 61 svga_translate_vertex_format_vgpu10(enum pipe_format format, 62 SVGA3dSurfaceFormat *svga_format, 63 unsigned *vf_flags); 64 65 enum SVGA3dSurfaceFormat 66 svga_translate_format(const struct svga_screen *ss, 67 enum pipe_format format, 68 unsigned bind); 69 70 void 71 svga_get_format_cap(struct svga_screen *ss, 72 SVGA3dSurfaceFormat format, 73 SVGA3dSurfaceFormatCaps *caps); 74 75 void 76 svga_format_size(SVGA3dSurfaceFormat format, 77 unsigned *block_width, 78 unsigned *block_height, 79 unsigned *bytes_per_block); 80 81 const char * 82 svga_format_name(SVGA3dSurfaceFormat format); 83 84 boolean 85 svga_format_is_integer(SVGA3dSurfaceFormat format); 86 87 boolean 88 svga_format_support_gen_mips(enum pipe_format format); 89 90 enum tgsi_return_type 91 svga_get_texture_datatype(enum pipe_format format); 92 93 94 // XXX: Move this to svga_context? 95 boolean 96 svga_has_any_integer_cbufs(const struct svga_context *svga); 97 98 99 SVGA3dSurfaceFormat 100 svga_typeless_format(SVGA3dSurfaceFormat format); 101 102 103 SVGA3dSurfaceFormat 104 svga_sampler_format(SVGA3dSurfaceFormat format); 105 106 107 bool 108 svga_format_is_uncompressed_snorm(SVGA3dSurfaceFormat format); 109 110 111 bool 112 svga_format_is_typeless(SVGA3dSurfaceFormat format); 113 114 bool 115 svga_format_is_shareable(const struct svga_screen *ss, 116 enum pipe_format pformat, 117 SVGA3dSurfaceFormat sformat, 118 unsigned bind, 119 bool verbose); 120 121 SVGA3dSurfaceFormat 122 svga_linear_to_srgb(SVGA3dSurfaceFormat format); 123 124 125 boolean 126 svga_is_format_supported(struct pipe_screen *screen, 127 enum pipe_format format, 128 enum pipe_texture_target target, 129 unsigned sample_count, 130 unsigned bindings); 131 132 133 #endif /* SVGA_FORMAT_H_ */ 134