Campbell Barton
de13d0a80c
While \file doesn't need an argument, it can't have another doxy command after it.
104 lines
3.9 KiB
C++
104 lines
3.9 KiB
C++
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 2016 by Mike Erwin.
|
|
* All rights reserved.
|
|
*/
|
|
|
|
/** \file
|
|
* \ingroup gpu
|
|
*
|
|
* GPU shader interface (C --> GLSL)
|
|
*/
|
|
|
|
#ifndef __GPU_SHADER_INTERFACE_H__
|
|
#define __GPU_SHADER_INTERFACE_H__
|
|
|
|
#include "GPU_common.h"
|
|
|
|
typedef enum {
|
|
GPU_UNIFORM_NONE = 0, /* uninitialized/unknown */
|
|
|
|
GPU_UNIFORM_MODEL, /* mat4 ModelMatrix */
|
|
GPU_UNIFORM_VIEW, /* mat4 ViewMatrix */
|
|
GPU_UNIFORM_MODELVIEW, /* mat4 ModelViewMatrix */
|
|
GPU_UNIFORM_PROJECTION, /* mat4 ProjectionMatrix */
|
|
GPU_UNIFORM_VIEWPROJECTION, /* mat4 ViewProjectionMatrix */
|
|
GPU_UNIFORM_MVP, /* mat4 ModelViewProjectionMatrix */
|
|
|
|
GPU_UNIFORM_MODEL_INV, /* mat4 ModelMatrixInverse */
|
|
GPU_UNIFORM_VIEW_INV, /* mat4 ViewMatrixInverse */
|
|
GPU_UNIFORM_MODELVIEW_INV, /* mat4 ModelViewMatrixInverse */
|
|
GPU_UNIFORM_PROJECTION_INV, /* mat4 ProjectionMatrixInverse */
|
|
GPU_UNIFORM_VIEWPROJECTION_INV, /* mat4 ViewProjectionMatrixInverse */
|
|
|
|
GPU_UNIFORM_NORMAL, /* mat3 NormalMatrix */
|
|
GPU_UNIFORM_WORLDNORMAL, /* mat3 WorldNormalMatrix */
|
|
GPU_UNIFORM_CAMERATEXCO, /* vec4 CameraTexCoFactors */
|
|
GPU_UNIFORM_ORCO, /* vec3 OrcoTexCoFactors[] */
|
|
|
|
GPU_UNIFORM_COLOR, /* vec4 color */
|
|
GPU_UNIFORM_EYE, /* vec3 eye */
|
|
GPU_UNIFORM_CALLID, /* int callId */
|
|
GPU_UNIFORM_OBJECT_INFO, /* vec3 objectInfo */
|
|
|
|
GPU_UNIFORM_CUSTOM, /* custom uniform, not one of the above built-ins */
|
|
|
|
GPU_NUM_UNIFORMS, /* Special value, denotes number of builtin uniforms. */
|
|
} GPUUniformBuiltin;
|
|
|
|
typedef struct GPUShaderInput {
|
|
struct GPUShaderInput *next;
|
|
uint32_t name_offset;
|
|
uint name_hash;
|
|
/** Only for uniform inputs. */
|
|
GPUUniformBuiltin builtin_type;
|
|
/** Only for attribute inputs. */
|
|
uint32_t gl_type;
|
|
/** Only for attribute inputs. */
|
|
int32_t size;
|
|
int32_t location;
|
|
} GPUShaderInput;
|
|
|
|
#define GPU_NUM_SHADERINTERFACE_BUCKETS 257
|
|
#define GPU_SHADERINTERFACE_REF_ALLOC_COUNT 16
|
|
|
|
typedef struct GPUShaderInterface {
|
|
int32_t program;
|
|
uint32_t name_buffer_offset;
|
|
GPUShaderInput *attr_buckets[GPU_NUM_SHADERINTERFACE_BUCKETS];
|
|
GPUShaderInput *uniform_buckets[GPU_NUM_SHADERINTERFACE_BUCKETS];
|
|
GPUShaderInput *ubo_buckets[GPU_NUM_SHADERINTERFACE_BUCKETS];
|
|
GPUShaderInput *builtin_uniforms[GPU_NUM_UNIFORMS];
|
|
char *name_buffer;
|
|
struct GPUBatch **batches; /* references to batches using this interface */
|
|
uint batches_len;
|
|
} GPUShaderInterface;
|
|
|
|
GPUShaderInterface *GPU_shaderinterface_create(int32_t program_id);
|
|
void GPU_shaderinterface_discard(GPUShaderInterface *);
|
|
|
|
const GPUShaderInput *GPU_shaderinterface_uniform(const GPUShaderInterface *, const char *name);
|
|
const GPUShaderInput *GPU_shaderinterface_uniform_ensure(const GPUShaderInterface *, const char *name);
|
|
const GPUShaderInput *GPU_shaderinterface_uniform_builtin(const GPUShaderInterface *, GPUUniformBuiltin);
|
|
const GPUShaderInput *GPU_shaderinterface_ubo(const GPUShaderInterface *, const char *name);
|
|
const GPUShaderInput *GPU_shaderinterface_attr(const GPUShaderInterface *, const char *name);
|
|
|
|
/* keep track of batches using this interface */
|
|
void GPU_shaderinterface_add_batch_ref(GPUShaderInterface *, struct GPUBatch *);
|
|
void GPU_shaderinterface_remove_batch_ref(GPUShaderInterface *, struct GPUBatch *);
|
|
|
|
#endif /* __GPU_SHADER_INTERFACE_H__ */
|