rpcs3/rpcs3/Emu/GS/GL/GLGSRender.h

557 lines
13 KiB
C++

#pragma once
#include "Emu/GS/GSRender.h"
#include "Emu/GS/RSXThread.h"
#include <wx/glcanvas.h>
#include "GLBuffers.h"
#include "GLProgram.h"
#include "OpenGL.h"
#include "GLProgramBuffer.h"
#pragma comment(lib, "opengl32.lib")
#define RSX_DEBUG 1
extern GLenum g_last_gl_error;
void printGlError(GLenum err, const char* situation);
#if RSX_DEBUG
#define checkForGlError(sit) if((g_last_gl_error = glGetError()) != GL_NO_ERROR) printGlError(g_last_gl_error, sit)
#else
#define checkForGlError(sit)
#endif
class GLTexture
{
u32 m_id;
public:
GLTexture() : m_id(0)
{
}
void Create()
{
if(m_id)
{
Delete();
}
if(!m_id)
{
glGenTextures(1, &m_id);
checkForGlError("GLTexture::Init() -> glGenTextures");
Bind();
}
}
int GetGlWrap(int wrap)
{
switch(wrap)
{
case 1: return GL_REPEAT;
case 2: return GL_MIRRORED_REPEAT;
case 3: return GL_CLAMP_TO_EDGE;
case 4: return GL_TEXTURE_BORDER;
case 5: return GL_CLAMP_TO_EDGE;//GL_CLAMP;
//case 6: return GL_MIRROR_CLAMP_TO_EDGE_EXT;
}
ConLog.Error("Texture wrap error: bad wrap (%d).", wrap);
return GL_REPEAT;
}
void Init(RSXTexture& tex)
{
Bind();
if(!Memory.IsGoodAddr(tex.GetOffset()))
{
ConLog.Error("Bad texture address=0x%x", tex.GetOffset());
return;
}
//ConLog.Warning("texture addr = 0x%x, width = %d, height = %d, max_aniso=%d, mipmap=%d, remap=0x%x, zfunc=0x%x, wraps=0x%x, wrapt=0x%x, wrapr=0x%x, minlod=0x%x, maxlod=0x%x",
// m_offset, m_width, m_height, m_maxaniso, m_mipmap, m_remap, m_zfunc, m_wraps, m_wrapt, m_wrapr, m_minlod, m_maxlod);
//TODO: safe init
checkForGlError("GLTexture::Init() -> glBindTexture");
int format = tex.GetFormat() & ~(0x20 | 0x40);
bool is_swizzled = (tex.GetFormat() & 0x20) == 0;
glPixelStorei(GL_PACK_ALIGNMENT, tex.m_pitch);
char* pixels = (char*)Memory.GetMemFromAddr(tex.GetOffset());
switch(format)
{
case 0x81:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex.m_width, tex.m_height, 0, GL_BLUE, GL_UNSIGNED_BYTE, pixels);
checkForGlError("GLTexture::Init() -> glTexImage2D");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_BLUE);
checkForGlError("GLTexture::Init() -> glTexParameteri");
break;
case 0x85:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex.m_width, tex.m_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, pixels);
checkForGlError("GLTexture::Init() -> glTexImage2D");
break;
case 0x86:
{
u32 size = ((tex.m_width + 3) / 4) * ((tex.m_height + 3) / 4) * 8;
glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, tex.m_width, tex.m_height, 0, size, pixels);
checkForGlError("GLTexture::Init() -> glCompressedTexImage2D");
}
break;
case 0x87:
{
u32 size = ((tex.m_width + 3) / 4) * ((tex.m_height + 3) / 4) * 16;
glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, tex.m_width, tex.m_height, 0, size, pixels);
checkForGlError("GLTexture::Init() -> glCompressedTexImage2D");
}
break;
case 0x88:
{
u32 size = ((tex.m_width + 3) / 4) * ((tex.m_height + 3) / 4) * 16;
glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, tex.m_width, tex.m_height, 0, size, pixels);
checkForGlError("GLTexture::Init() -> glCompressedTexImage2D");
}
break;
case 0x94:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex.m_width, tex.m_height, 0, GL_RED, GL_SHORT, pixels);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_ONE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_ONE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_ONE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_RED);
checkForGlError("GLTexture::Init() -> glTexImage2D");
break;
case 0x9a:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex.m_width, tex.m_height, 0, GL_BGRA, GL_HALF_FLOAT, pixels);
checkForGlError("GLTexture::Init() -> glTexImage2D");
break;
case 0x9e:
{
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex.m_width, tex.m_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, pixels);
checkForGlError("GLTexture::Init() -> glTexImage2D");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_ONE);
}
break;
default: ConLog.Error("Init tex error: Bad tex format (0x%x | 0x%x | 0x%x)", format, tex.GetFormat() & 0x20, tex.GetFormat() & 0x40); break;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, tex.m_mipmap - 1);
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, tex.m_mipmap > 1);
if(format != 0x81 && format != 0x94)
{
u8 remap_a = tex.m_remap & 0x3;
u8 remap_r = (tex.m_remap >> 2) & 0x3;
u8 remap_g = (tex.m_remap >> 4) & 0x3;
u8 remap_b = (tex.m_remap >> 6) & 0x3;
static const int gl_remap[] =
{
GL_ALPHA,
GL_RED,
GL_GREEN,
GL_BLUE,
};
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, gl_remap[remap_a]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, gl_remap[remap_r]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, gl_remap[remap_g]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, gl_remap[remap_b]);
}
static const int gl_tex_zfunc[] =
{
GL_NEVER,
GL_LESS,
GL_EQUAL,
GL_LEQUAL,
GL_GREATER,
GL_NOTEQUAL,
GL_GEQUAL,
GL_ALWAYS,
};
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GetGlWrap(tex.m_wraps));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GetGlWrap(tex.m_wrapt));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GetGlWrap(tex.m_wrapr));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, gl_tex_zfunc[tex.m_zfunc]);
glTexEnvi(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, tex.m_bias);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, tex.m_minlod);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, tex.m_maxlod);
static const int gl_tex_filter[] =
{
GL_NEAREST,
GL_NEAREST,
GL_LINEAR,
GL_NEAREST_MIPMAP_NEAREST,
GL_LINEAR_MIPMAP_NEAREST,
GL_NEAREST_MIPMAP_LINEAR,
GL_LINEAR_MIPMAP_LINEAR,
GL_NEAREST,
};
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_tex_filter[tex.m_min_filter]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_tex_filter[tex.m_mag_filter]);
//Unbind();
}
void Save(RSXTexture& tex, const wxString& name)
{
if(!m_id || !tex.m_offset || !tex.m_width || !tex.m_height) return;
u32* alldata = new u32[tex.m_width * tex.m_height];
Bind();
switch(tex.m_format & ~(0x20 | 0x40))
{
case 0x81:
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, alldata);
break;
case 0x85:
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, alldata);
break;
default:
delete[] alldata;
return;
}
{
wxFile f(name + ".raw", wxFile::write);
f.Write(alldata, tex.m_width * tex.m_height * 4);
}
u8* data = new u8[tex.m_width * tex.m_height * 3];
u8* alpha = new u8[tex.m_width * tex.m_height];
u8* src = (u8*)alldata;
u8* dst_d = data;
u8* dst_a = alpha;
for(u32 i=0; i<tex.m_width*tex.m_height;i++)
{
*dst_d++ = *src++;
*dst_d++ = *src++;
*dst_d++ = *src++;
*dst_a++ = *src++;
}
wxImage out;
out.Create(tex.m_width, tex.m_height, data, alpha);
out.SaveFile(name, wxBITMAP_TYPE_PNG);
free(alldata);
//free(data);
//free(alpha);
}
void Save(RSXTexture& tex)
{
static const wxString& dir_path = "textures";
static const wxString& file_fmt = dir_path + "\\" + "tex[%d].png";
if(!wxDirExists(dir_path)) wxMkDir(dir_path);
u32 count = 0;
while(wxFileExists(wxString::Format(file_fmt, count))) count++;
Save(tex, wxString::Format(file_fmt, count));
}
void Bind()
{
glBindTexture(GL_TEXTURE_2D, m_id);
}
void Unbind()
{
glBindTexture(GL_TEXTURE_2D, 0);
}
void Delete()
{
if(m_id)
{
glDeleteTextures(1, &m_id);
m_id = 0;
}
}
};
struct GLGSFrame : public GSFrame
{
wxGLCanvas* canvas;
u32 m_frames;
GLGSFrame();
~GLGSFrame() {}
void Flip(wxGLContext *context);
wxGLCanvas* GetCanvas() const { return canvas; }
virtual void SetViewport(int x, int y, u32 w, u32 h);
private:
virtual void OnSize(wxSizeEvent& event);
};
class PostDrawObj
{
protected:
GLShaderProgram m_fp;
GLVertexProgram m_vp;
GLProgram m_program;
GLfbo m_fbo;
GLrbo m_rbo;
public:
virtual void Draw()
{
static bool s_is_initialized = false;
if(!s_is_initialized)
{
s_is_initialized = true;
Initialize();
}
else
{
m_program.Use();
}
}
virtual void InitializeShaders() = 0;
virtual void InitializeLocations() = 0;
void Initialize()
{
InitializeShaders();
m_fp.Compile();
m_vp.Compile();
m_program.Create(m_vp.id, m_fp.id);
m_program.Use();
InitializeLocations();
}
};
class DrawCursorObj : public PostDrawObj
{
u32 m_tex_id;
void* m_pixels;
u32 m_width, m_height;
double m_pos_x, m_pos_y, m_pos_z;
bool m_update_texture, m_update_pos;
public:
DrawCursorObj() : PostDrawObj()
, m_tex_id(0)
, m_update_texture(false)
, m_update_pos(false)
{
}
virtual void Draw()
{
checkForGlError("PostDrawObj : Unknown error.");
PostDrawObj::Draw();
checkForGlError("PostDrawObj::Draw");
if(!m_fbo.IsCreated())
{
m_fbo.Create();
checkForGlError("DrawCursorObj : m_fbo.Create");
m_fbo.Bind();
checkForGlError("DrawCursorObj : m_fbo.Bind");
m_rbo.Create();
checkForGlError("DrawCursorObj : m_rbo.Create");
m_rbo.Bind();
checkForGlError("DrawCursorObj : m_rbo.Bind");
m_rbo.Storage(GL_RGBA, m_width, m_height);
checkForGlError("DrawCursorObj : m_rbo.Storage");
m_fbo.Renderbuffer(GL_COLOR_ATTACHMENT0, m_rbo.GetId());
checkForGlError("DrawCursorObj : m_fbo.Renderbuffer");
}
m_fbo.Bind();
checkForGlError("DrawCursorObj : m_fbo.Bind");
glDrawBuffer(GL_COLOR_ATTACHMENT0);
checkForGlError("DrawCursorObj : glDrawBuffer");
m_program.Use();
checkForGlError("DrawCursorObj : m_program.Use");
if(m_update_texture)
{
//m_update_texture = false;
glUniform2f(m_program.GetLocation("in_tc"), m_width, m_height);
checkForGlError("DrawCursorObj : glUniform2f");
if(!m_tex_id)
{
glGenTextures(1, &m_tex_id);
checkForGlError("DrawCursorObj : glGenTextures");
}
glActiveTexture(GL_TEXTURE0);
checkForGlError("DrawCursorObj : glActiveTexture");
glBindTexture(GL_TEXTURE_2D, m_tex_id);
checkForGlError("DrawCursorObj : glBindTexture");
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_width, m_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, m_pixels);
checkForGlError("DrawCursorObj : glTexImage2D");
m_program.SetTex(0);
}
if(m_update_pos)
{
//m_update_pos = false;
glUniform4f(m_program.GetLocation("in_pos"), m_pos_x, m_pos_y, m_pos_z, 1.0f);
checkForGlError("DrawCursorObj : glUniform4f");
}
glDrawArrays(GL_QUADS, 0, 4);
checkForGlError("DrawCursorObj : glDrawArrays");
m_fbo.Bind(GL_READ_FRAMEBUFFER);
checkForGlError("DrawCursorObj : m_fbo.Bind(GL_READ_FRAMEBUFFER)");
GLfbo::Bind(GL_DRAW_FRAMEBUFFER, 0);
checkForGlError("DrawCursorObj : GLfbo::Bind(GL_DRAW_FRAMEBUFFER, 0)");
GLfbo::Blit(
0, 0, m_width, m_height,
0, 0, m_width, m_height,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
checkForGlError("DrawCursorObj : GLfbo::Blit");
m_fbo.Bind();
checkForGlError("DrawCursorObj : m_fbo.Bind");
}
virtual void InitializeShaders()
{
m_vp.shader =
"#version 330\n"
"\n"
"uniform vec4 in_pos;\n"
"uniform vec2 in_tc;\n"
"out vec2 tc;\n"
"\n"
"void main()\n"
"{\n"
" tc = in_tc;\n"
" gl_Position = in_pos;\n"
"}\n";
m_fp.shader =
"#version 330\n"
"\n"
"in vec2 tc;\n"
"uniform sampler2D tex0;\n"
"layout (location = 0) out vec4 res;\n"
"\n"
"void main()\n"
"{\n"
" res = texture(tex0, tc);\n"
"}\n";
}
void SetTexture(void* pixels, int width, int height)
{
m_pixels = pixels;
m_width = width;
m_height = height;
m_update_texture = true;
}
void SetPosition(float x, float y, float z = 0.0f)
{
m_pos_x = x;
m_pos_y = y;
m_pos_z = z;
m_update_pos = true;
}
void InitializeLocations()
{
//ConLog.Warning("tex0 location = 0x%x", m_program.GetLocation("tex0"));
}
};
class GLGSRender
: public wxWindow
, public GSRender
{
private:
Array<u8> m_vdata;
ArrayF<PostDrawObj> m_post_draw_objs;
GLProgram m_program;
int m_fp_buf_num;
int m_vp_buf_num;
GLProgramBuffer m_prog_buffer;
GLShaderProgram m_shader_prog;
GLVertexProgram m_vertex_prog;
GLTexture m_gl_textures[m_textures_count];
GLvao m_vao;
GLvbo m_vbo;
GLrbo m_rbo;
GLfbo m_fbo;
wxGLContext* m_context;
public:
GLGSFrame* m_frame;
u32 m_draw_frames;
u32 m_skip_frames;
GLGSRender();
virtual ~GLGSRender();
private:
void EnableVertexData(bool indexed_draw=false);
void DisableVertexData();
void InitVertexData();
void InitFragmentData();
void Enable(bool enable, const u32 cap);
virtual void Close();
bool LoadProgram();
void WriteDepthBuffer();
void WriteColourBufferA();
void WriteColourBufferB();
void WriteColourBufferC();
void WriteColourBufferD();
void WriteBuffers();
void DrawObjects();
protected:
virtual void OnInit();
virtual void OnInitThread();
virtual void OnExitThread();
virtual void OnReset();
virtual void ExecCMD();
virtual void Flip();
};