diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/bufferobj.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index c3548b5908e..4e25a72cbdb 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -3157,6 +3157,40 @@ bind_buffer_range_uniform_buffer(struct gl_context *ctx, bind_uniform_buffer(ctx, index, bufObj, offset, size, GL_FALSE); } +/** + * Bind a region of a buffer object to a shader storage block binding point. + * \param index the shader storage buffer binding point index + * \param bufObj the buffer object + * \param offset offset to the start of buffer object region + * \param size size of the buffer object region + */ +static void +bind_buffer_range_shader_storage_buffer(struct gl_context *ctx, + GLuint index, + struct gl_buffer_object *bufObj, + GLintptr offset, + GLsizeiptr size) +{ + if (index >= ctx->Const.MaxShaderStorageBufferBindings) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index); + return; + } + + if (offset & (ctx->Const.ShaderStorageBufferOffsetAlignment - 1)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindBufferRange(offset misaligned %d/%d)", (int) offset, + ctx->Const.ShaderStorageBufferOffsetAlignment); + return; + } + + if (bufObj == ctx->Shared->NullBufferObj) { + offset = -1; + size = -1; + } + + _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, bufObj); + bind_shader_storage_buffer(ctx, index, bufObj, offset, size, GL_FALSE); +} /** * Bind a buffer object to a uniform block binding point. @@ -4227,6 +4261,9 @@ _mesa_BindBufferRange(GLenum target, GLuint index, case GL_UNIFORM_BUFFER: bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size); return; + case GL_SHADER_STORAGE_BUFFER: + bind_buffer_range_shader_storage_buffer(ctx, index, bufObj, offset, size); + return; case GL_ATOMIC_COUNTER_BUFFER: bind_atomic_buffer(ctx, index, bufObj, offset, size, "glBindBufferRange"); |