1 /**************************************************************************
3 * Copyright 2011 Marek Olšák <maraeo@gmail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * glTextureBarrierNV function
36 #include "main/imports.h"
37 #include "main/context.h"
39 #include "pipe/p_context.h"
40 #include "pipe/p_defines.h"
41 #include "st_context.h"
42 #include "st_cb_texturebarrier.h"
46 * Called via ctx->Driver.TextureBarrier()
49 st_TextureBarrier(struct gl_context
*ctx
)
51 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
53 pipe
->texture_barrier(pipe
, PIPE_TEXTURE_BARRIER_SAMPLER
);
58 * Called via ctx->Driver.FramebufferFetchBarrier()
61 st_FramebufferFetchBarrier(struct gl_context
*ctx
)
63 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
65 pipe
->texture_barrier(pipe
, PIPE_TEXTURE_BARRIER_FRAMEBUFFER
);
70 * Called via ctx->Driver.MemoryBarrier()
73 st_MemoryBarrier(struct gl_context
*ctx
, GLbitfield barriers
)
75 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
78 if (barriers
& GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT
)
79 flags
|= PIPE_BARRIER_VERTEX_BUFFER
;
80 if (barriers
& GL_ELEMENT_ARRAY_BARRIER_BIT
)
81 flags
|= PIPE_BARRIER_INDEX_BUFFER
;
82 if (barriers
& GL_UNIFORM_BARRIER_BIT
)
83 flags
|= PIPE_BARRIER_CONSTANT_BUFFER
;
84 if (barriers
& GL_TEXTURE_FETCH_BARRIER_BIT
)
85 flags
|= PIPE_BARRIER_TEXTURE
;
86 if (barriers
& GL_SHADER_IMAGE_ACCESS_BARRIER_BIT
)
87 flags
|= PIPE_BARRIER_IMAGE
;
88 if (barriers
& GL_COMMAND_BARRIER_BIT
)
89 flags
|= PIPE_BARRIER_INDIRECT_BUFFER
;
90 if (barriers
& GL_PIXEL_BUFFER_BARRIER_BIT
) {
92 * (1) bound as a texture for PBO uploads, or
93 * (2) accessed by the CPU via transfer ops.
94 * For case (2), we assume automatic flushing by the driver.
96 flags
|= PIPE_BARRIER_TEXTURE
;
98 /* GL_TEXTURE_UPDATE_BARRIER_BIT:
99 * Texture updates translate to:
100 * (1) texture transfers to/from the CPU,
101 * (2) texture as blit destination, or
102 * (3) texture as framebuffer.
103 * In all cases, we assume the driver does the required flushing
106 /* GL_BUFFER_UPDATE_BARRIER_BIT:
107 * Buffer updates translate to
108 * (1) buffer transfers to/from the CPU,
109 * (2) resource copies and clears.
110 * In all cases, we assume the driver does the required flushing
113 if (barriers
& GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT
)
114 flags
|= PIPE_BARRIER_MAPPED_BUFFER
;
115 if (barriers
& GL_QUERY_BUFFER_BARRIER_BIT
)
116 flags
|= PIPE_BARRIER_QUERY_BUFFER
;
117 if (barriers
& GL_FRAMEBUFFER_BARRIER_BIT
)
118 flags
|= PIPE_BARRIER_FRAMEBUFFER
;
119 if (barriers
& GL_TRANSFORM_FEEDBACK_BARRIER_BIT
)
120 flags
|= PIPE_BARRIER_STREAMOUT_BUFFER
;
121 if (barriers
& GL_ATOMIC_COUNTER_BARRIER_BIT
)
122 flags
|= PIPE_BARRIER_SHADER_BUFFER
;
123 if (barriers
& GL_SHADER_STORAGE_BARRIER_BIT
)
124 flags
|= PIPE_BARRIER_SHADER_BUFFER
;
126 if (flags
&& pipe
->memory_barrier
)
127 pipe
->memory_barrier(pipe
, flags
);
130 void st_init_texture_barrier_functions(struct dd_function_table
*functions
)
132 functions
->TextureBarrier
= st_TextureBarrier
;
133 functions
->FramebufferFetchBarrier
= st_FramebufferFetchBarrier
;
134 functions
->MemoryBarrier
= st_MemoryBarrier
;