1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version 2
5 * of the License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 *
16 * Copyright 2016, Blender Foundation.
17 */
18
19 /** \file
20 * \ingroup draw
21 */
22
23 #include "draw_manager.h"
24
25 #ifndef NDEBUG
26 /* Maybe gpu_texture.c is a better place for this. */
drw_texture_format_supports_framebuffer(eGPUTextureFormat format)27 static bool drw_texture_format_supports_framebuffer(eGPUTextureFormat format)
28 {
29 /* Some formats do not work with framebuffers. */
30 switch (format) {
31 /* Only add formats that are COMPATIBLE with FB.
32 * Generally they are multiple of 16bit. */
33 case GPU_R8:
34 case GPU_R8UI:
35 case GPU_R16F:
36 case GPU_R16I:
37 case GPU_R16UI:
38 case GPU_R16:
39 case GPU_R32F:
40 case GPU_R32UI:
41 case GPU_RG8:
42 case GPU_RG16:
43 case GPU_RG16F:
44 case GPU_RG16I:
45 case GPU_RG32F:
46 case GPU_R11F_G11F_B10F:
47 case GPU_RGBA8:
48 case GPU_RGBA16:
49 case GPU_RGBA16F:
50 case GPU_RGBA32F:
51 case GPU_DEPTH_COMPONENT16:
52 case GPU_DEPTH_COMPONENT24:
53 case GPU_DEPTH24_STENCIL8:
54 case GPU_DEPTH_COMPONENT32F:
55 return true;
56 default:
57 return false;
58 }
59 }
60 #endif
61
drw_texture_set_parameters(GPUTexture * tex,DRWTextureFlag flags)62 void drw_texture_set_parameters(GPUTexture *tex, DRWTextureFlag flags)
63 {
64 if (tex == NULL) {
65 return;
66 }
67
68 if (flags & DRW_TEX_MIPMAP) {
69 GPU_texture_mipmap_mode(tex, true, flags & DRW_TEX_FILTER);
70 GPU_texture_generate_mipmap(tex);
71 }
72 else {
73 GPU_texture_filter_mode(tex, flags & DRW_TEX_FILTER);
74 }
75 GPU_texture_anisotropic_filter(tex, false);
76 GPU_texture_wrap_mode(tex, flags & DRW_TEX_WRAP, true);
77 GPU_texture_compare_mode(tex, flags & DRW_TEX_COMPARE);
78 }
79
DRW_texture_create_1d(int w,eGPUTextureFormat format,DRWTextureFlag flags,const float * fpixels)80 GPUTexture *DRW_texture_create_1d(int w,
81 eGPUTextureFormat format,
82 DRWTextureFlag flags,
83 const float *fpixels)
84 {
85 int mips = (flags & DRW_TEX_MIPMAP) ? 9999 : 1;
86 GPUTexture *tex = GPU_texture_create_1d(__func__, w, mips, format, fpixels);
87 drw_texture_set_parameters(tex, flags);
88
89 return tex;
90 }
91
DRW_texture_create_2d(int w,int h,eGPUTextureFormat format,DRWTextureFlag flags,const float * fpixels)92 GPUTexture *DRW_texture_create_2d(
93 int w, int h, eGPUTextureFormat format, DRWTextureFlag flags, const float *fpixels)
94 {
95 int mips = (flags & DRW_TEX_MIPMAP) ? 9999 : 1;
96 GPUTexture *tex = GPU_texture_create_2d(__func__, w, h, mips, format, fpixels);
97 drw_texture_set_parameters(tex, flags);
98
99 return tex;
100 }
101
DRW_texture_create_2d_array(int w,int h,int d,eGPUTextureFormat format,DRWTextureFlag flags,const float * fpixels)102 GPUTexture *DRW_texture_create_2d_array(
103 int w, int h, int d, eGPUTextureFormat format, DRWTextureFlag flags, const float *fpixels)
104 {
105 int mips = (flags & DRW_TEX_MIPMAP) ? 9999 : 1;
106 GPUTexture *tex = GPU_texture_create_2d_array(__func__, w, h, d, mips, format, fpixels);
107 drw_texture_set_parameters(tex, flags);
108
109 return tex;
110 }
111
DRW_texture_create_3d(int w,int h,int d,eGPUTextureFormat format,DRWTextureFlag flags,const float * fpixels)112 GPUTexture *DRW_texture_create_3d(
113 int w, int h, int d, eGPUTextureFormat format, DRWTextureFlag flags, const float *fpixels)
114 {
115 int mips = (flags & DRW_TEX_MIPMAP) ? 9999 : 1;
116 GPUTexture *tex = GPU_texture_create_3d(
117 __func__, w, h, d, mips, format, GPU_DATA_FLOAT, fpixels);
118 drw_texture_set_parameters(tex, flags);
119
120 return tex;
121 }
122
DRW_texture_create_cube(int w,eGPUTextureFormat format,DRWTextureFlag flags,const float * fpixels)123 GPUTexture *DRW_texture_create_cube(int w,
124 eGPUTextureFormat format,
125 DRWTextureFlag flags,
126 const float *fpixels)
127 {
128 int mips = (flags & DRW_TEX_MIPMAP) ? 9999 : 1;
129 GPUTexture *tex = GPU_texture_create_cube(__func__, w, mips, format, fpixels);
130 drw_texture_set_parameters(tex, flags);
131 return tex;
132 }
133
DRW_texture_create_cube_array(int w,int d,eGPUTextureFormat format,DRWTextureFlag flags,const float * fpixels)134 GPUTexture *DRW_texture_create_cube_array(
135 int w, int d, eGPUTextureFormat format, DRWTextureFlag flags, const float *fpixels)
136 {
137 int mips = (flags & DRW_TEX_MIPMAP) ? 9999 : 1;
138 GPUTexture *tex = GPU_texture_create_cube_array(__func__, w, d, mips, format, fpixels);
139 drw_texture_set_parameters(tex, flags);
140 return tex;
141 }
142
DRW_texture_pool_query_2d(int w,int h,eGPUTextureFormat format,DrawEngineType * engine_type)143 GPUTexture *DRW_texture_pool_query_2d(int w,
144 int h,
145 eGPUTextureFormat format,
146 DrawEngineType *engine_type)
147 {
148 BLI_assert(drw_texture_format_supports_framebuffer(format));
149 GPUTexture *tex = GPU_viewport_texture_pool_query(DST.viewport, engine_type, w, h, format);
150
151 return tex;
152 }
153
DRW_texture_pool_query_fullscreen(eGPUTextureFormat format,DrawEngineType * engine_type)154 GPUTexture *DRW_texture_pool_query_fullscreen(eGPUTextureFormat format,
155 DrawEngineType *engine_type)
156 {
157 const float *size = DRW_viewport_size_get();
158 return DRW_texture_pool_query_2d((int)size[0], (int)size[1], format, engine_type);
159 }
160
DRW_texture_ensure_fullscreen_2d(GPUTexture ** tex,eGPUTextureFormat format,DRWTextureFlag flags)161 void DRW_texture_ensure_fullscreen_2d(GPUTexture **tex,
162 eGPUTextureFormat format,
163 DRWTextureFlag flags)
164 {
165 if (*(tex) == NULL) {
166 const float *size = DRW_viewport_size_get();
167 *(tex) = DRW_texture_create_2d((int)size[0], (int)size[1], format, flags, NULL);
168 }
169 }
170
DRW_texture_ensure_2d(GPUTexture ** tex,int w,int h,eGPUTextureFormat format,DRWTextureFlag flags)171 void DRW_texture_ensure_2d(
172 GPUTexture **tex, int w, int h, eGPUTextureFormat format, DRWTextureFlag flags)
173 {
174 if (*(tex) == NULL) {
175 *(tex) = DRW_texture_create_2d(w, h, format, flags, NULL);
176 }
177 }
178
DRW_texture_generate_mipmaps(GPUTexture * tex)179 void DRW_texture_generate_mipmaps(GPUTexture *tex)
180 {
181 GPU_texture_generate_mipmap(tex);
182 }
183
DRW_texture_free(GPUTexture * tex)184 void DRW_texture_free(GPUTexture *tex)
185 {
186 GPU_texture_free(tex);
187 }
188