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/*
* vigs
*
* Copyright (c) 2000 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
*
* Contact:
* Stanislav Vorobiov <s.vorobiov@samsung.com>
* Jinhyung Jo <jinhyung.jo@samsung.com>
* YeongKyoon Lee <yeongkyoon.lee@samsung.com>
*
* 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.
*
* Contributors:
* - S-Core Co., Ltd
*
*/
#ifndef _QEMU_VIGS_GL_BACKEND_H
#define _QEMU_VIGS_GL_BACKEND_H
#include "vigs_types.h"
#include "vigs_backend.h"
#include "vigs_vector.h"
#include <GL/gl.h>
#include <GL/glext.h>
#include "winsys_gl.h"
#define TEXTURE_NUM 5
struct vigs_gl_pool;
struct vigs_gl_backend
{
struct vigs_backend base;
struct winsys_gl_info ws_info;
bool is_gl_2;
bool (*has_current)(struct vigs_gl_backend */*gl_backend*/);
bool (*make_current)(struct vigs_gl_backend */*gl_backend*/,
bool /*enable*/);
bool (*read_pixels_make_current)(struct vigs_gl_backend */*gl_backend*/,
bool /*enable*/);
/*
* Mandatory GL functions and extensions.
* @{
*/
void (GLAPIENTRY *GenTextures)(GLsizei n, GLuint *textures);
void (GLAPIENTRY *DeleteTextures)(GLsizei n, const GLuint *textures);
void (GLAPIENTRY *BindTexture)(GLenum target, GLuint texture);
void (GLAPIENTRY *CullFace)(GLenum mode);
void (GLAPIENTRY *TexParameterf)(GLenum target, GLenum pname, GLfloat param);
void (GLAPIENTRY *TexParameterfv)(GLenum target, GLenum pname, const GLfloat *params);
void (GLAPIENTRY *TexParameteri)(GLenum target, GLenum pname, GLint param);
void (GLAPIENTRY *TexParameteriv)(GLenum target, GLenum pname, const GLint *params);
void (GLAPIENTRY *TexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
void (GLAPIENTRY *TexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
void (GLAPIENTRY *Clear)(GLbitfield mask);
void (GLAPIENTRY *ClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
void (GLAPIENTRY *Disable)(GLenum cap);
void (GLAPIENTRY *Enable)(GLenum cap);
void (GLAPIENTRY *Finish)(void);
void (GLAPIENTRY *Flush)(void);
void (GLAPIENTRY *PixelStorei)(GLenum pname, GLint param);
void (GLAPIENTRY *ReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
void (GLAPIENTRY *Viewport)(GLint x, GLint y, GLsizei width, GLsizei height);
void (GLAPIENTRY *GenFramebuffers)(GLsizei n, GLuint *framebuffers);
void (GLAPIENTRY *GenRenderbuffers)(GLsizei n, GLuint *renderbuffers);
void (GLAPIENTRY *DeleteFramebuffers)(GLsizei n, const GLuint *framebuffers);
void (GLAPIENTRY *DeleteRenderbuffers)(GLsizei n, const GLuint *renderbuffers);
void (GLAPIENTRY *BindFramebuffer)(GLenum target, GLuint framebuffer);
void (GLAPIENTRY *BindRenderbuffer)(GLenum target, GLuint renderbuffer);
void (GLAPIENTRY *RenderbufferStorage)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
void (GLAPIENTRY *FramebufferRenderbuffer)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
void (GLAPIENTRY *FramebufferTexture2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
void (GLAPIENTRY *GetIntegerv)(GLenum pname, GLint *params);
const GLubyte *(GLAPIENTRY *GetString)(GLenum name);
void (GLAPIENTRY *DrawArrays)(GLenum mode, GLint first, GLsizei count);
void (GLAPIENTRY *BlendFunc)(GLenum sfactor, GLenum dfactor);
void (GLAPIENTRY *GenBuffers)(GLsizei n, GLuint *buffers);
void (GLAPIENTRY *DeleteBuffers)(GLsizei n, const GLuint *buffers);
void (GLAPIENTRY *BindBuffer)(GLenum target, GLuint buffer);
void (GLAPIENTRY *BufferData)(GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage);
void (GLAPIENTRY *BufferSubData)(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data);
GLvoid *(GLAPIENTRY *MapBuffer)(GLenum target, GLenum access);
GLboolean (GLAPIENTRY *UnmapBuffer)(GLenum target);
GLuint (GLAPIENTRY* CreateProgram)(void);
GLuint (GLAPIENTRY* CreateShader)(GLenum type);
void (GLAPIENTRY* CompileShader)(GLuint shader);
void (GLAPIENTRY* AttachShader)(GLuint program, GLuint shader);
void (GLAPIENTRY* LinkProgram)(GLuint program);
void (GLAPIENTRY* GetProgramiv)(GLuint program, GLenum pname, GLint* params);
void (GLAPIENTRY* GetProgramInfoLog)(GLuint program, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
void (GLAPIENTRY* GetShaderiv)(GLuint shader, GLenum pname, GLint* params);
void (GLAPIENTRY* GetShaderInfoLog)(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
void (GLAPIENTRY* DetachShader)(GLuint program, GLuint shader);
void (GLAPIENTRY* DeleteProgram)(GLuint program);
void (GLAPIENTRY* DeleteShader)(GLuint shader);
void (GLAPIENTRY* DisableVertexAttribArray)(GLuint index);
void (GLAPIENTRY* EnableVertexAttribArray)(GLuint index);
void (GLAPIENTRY* ShaderSource)(GLuint shader, GLsizei count, const GLchar** string, const GLint* length);
void (GLAPIENTRY* UseProgram)(GLuint program);
GLint (GLAPIENTRY* GetAttribLocation)(GLuint program, const GLchar* name);
GLint (GLAPIENTRY* GetUniformLocation)(GLuint program, const GLchar* name);
void (GLAPIENTRY* VertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* pointer);
void (GLAPIENTRY* Uniform4fv)(GLint location, GLsizei count, const GLfloat* value);
void (GLAPIENTRY* UniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
void (GLAPIENTRY* Uniform2fv)(GLint location, GLsizei count, const GLfloat* value);
void (GLAPIENTRY* Uniform1f)(GLint location, GLfloat v0);
void (GLAPIENTRY* Uniform1i)(GLint location, GLint v0);
void (GLAPIENTRY* Uniform2f)(GLint location, GLfloat v0, GLfloat v1);
void (GLAPIENTRY* ActiveTexture)(GLenum texture);
/*
* @}
*/
/*
* Only OpenGL 2.1 + GL_ARB_map_buffer_range or OpenGL 3.1+ core.
*/
GLvoid *(GLAPIENTRY *MapBufferRange)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
/*
* OpenGL 3.1+ core functions and extensions.
* @{
*/
void (GLAPIENTRY* GenVertexArrays)(GLsizei n, GLuint* arrays);
void (GLAPIENTRY* BindVertexArray)(GLuint array);
void (GLAPIENTRY* DeleteVertexArrays)(GLsizei n, const GLuint* arrays);
/*
* @}
*/
struct vigs_gl_pool *tex_pool;
struct vigs_gl_pool *fb_pool;
/*
* General purpose vectors.
* @{
*/
struct vigs_vector v1;
struct vigs_vector v2;
/*
* @}
*/
/*
* Rendering thread related.
* @{
*/
GLuint vao;
GLuint tex_prog_vs_id;
GLuint tex_prog_fs_id;
GLuint tex_prog_id;
GLint tex_prog_proj_loc;
GLint tex_prog_vertCoord_loc;
GLint tex_prog_texCoord_loc;
GLuint color_prog_vs_id;
GLuint color_prog_fs_id;
GLuint color_prog_id;
GLint color_prog_proj_loc;
GLint color_prog_vertCoord_loc;
GLint color_prog_color_loc;
GLuint nv21_prog_vs_id;
GLuint nv21_prog_fs_id;
GLuint nv21_prog_id;
GLint nv21_prog_proj_loc;
GLint nv21_prog_vertCoord_loc;
GLint nv21_prog_texCoord_loc;
GLint nv21_prog_size_loc;
GLint nv21_prog_ytexSize_loc;
GLint nv21_prog_ctexSize_loc;
GLint nv21_prog_ytex_loc;
GLint nv21_prog_ctex_loc;
GLuint yuv420_prog_vs_id;
GLuint yuv420_prog_fs_id;
GLuint yuv420_prog_id;
GLint yuv420_prog_proj_loc;
GLint yuv420_prog_vertCoord_loc;
GLint yuv420_prog_texCoord_loc;
GLint yuv420_prog_size_loc;
GLint yuv420_prog_ytexSize_loc;
GLint yuv420_prog_utexSize_loc;
GLint yuv420_prog_vtexSize_loc;
GLint yuv420_prog_ytex_loc;
GLint yuv420_prog_utex_loc;
GLint yuv420_prog_vtex_loc;
GLuint xbgr_prog_fs_id;
GLuint xbgr_prog_id;
GLint xbgr_prog_proj_loc;
GLint xbgr_prog_vertCoord_loc;
GLint xbgr_prog_texCoord_loc;
GLuint vbo;
uint32_t vbo_size;
GLuint cur_prog_id;
/*
* @}
* Display thread related.
* @{
*/
struct dpy_item {
GLuint tex;
uint32_t width;
uint32_t height;
bool available;
QemuMutex mutex;
} dpy_items[TEXTURE_NUM], *current_dpy;
uint32_t dpy_idx;
GLuint dpy_fb;
/*
* @}
*/
};
bool vigs_gl_backend_init(struct vigs_gl_backend *gl_backend);
void vigs_gl_backend_cleanup(struct vigs_gl_backend *gl_backend);
#endif
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