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software is better

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This commit is contained in:
Jaime Passos 2019-06-13 21:10:01 -03:00
parent a0ff5c6b25
commit 5e14fd4ae4
9 changed files with 169 additions and 145 deletions
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3
src/doomdef.h
View file

@ -671,8 +671,7 @@ extern const char *compdate, *comptime, *comprevision, *compbranch;
/// SRB2CB itself ported this from PrBoom+
//#define NEWCLIP
// GL4
/// Hardware renderer: OpenGL
#define GL_SHADERS
//#define GL_PORTALS
#endif // __DOOMDEF__

1
src/hardware/hw_defs.h
View file

@ -241,7 +241,6 @@ enum hwdsetspecialstate
HWD_SET_SHADERS,
HWD_SET_FOG_MODE,
HWD_SET_FOG_FUNCTION,
HWD_SET_FOG_DENSITY,
HWD_SET_TEXTUREFILTERMODE,

1
src/hardware/hw_dll.h
View file

@ -62,6 +62,7 @@
#define DEGREE (0.017453292519943295769236907684883l) // 2*PI/360
void GL_DBG_Printf(const char *format, ...) /*FUNCPRINTF*/;
#define DBG_Printf GL_DBG_Printf
#ifdef _WINDOWS
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);

3
src/hardware/hw_main.c
View file

@ -4842,8 +4842,7 @@ void HWR_RenderPlayerView(INT32 viewnumber, player_t *player)
void HWR_FoggingOn(void)
{
HWD.pfnSetSpecialState(HWD_SET_FOG_MODE, cv_grsoftwarefog.value ? 2 : 1);
HWD.pfnSetSpecialState(HWD_SET_FOG_FUNCTION, cv_grfogfunction.value);
HWD.pfnSetSpecialState(HWD_SET_FOG_MODE, 1);
HWD.pfnSetSpecialState(HWD_SET_FOG_DENSITY, cv_grfogdensity.value);
}

2
src/hardware/hw_main.h
View file

@ -136,8 +136,6 @@ extern consvar_t cv_grfov;
extern consvar_t cv_grmdls;
extern consvar_t cv_grfog;
extern consvar_t cv_grfogdensity;
extern consvar_t cv_grsoftwarefog;
extern consvar_t cv_grfogfunction;
extern consvar_t cv_grgammared;
extern consvar_t cv_grgammagreen;
extern consvar_t cv_grgammablue;

297
src/hardware/r_opengl/r_opengl.c
View file

@ -415,7 +415,7 @@ boolean SetupGLfunc(void)
func = GetGLFunc(#proc); \
if (!func) \
{ \
GL_DBG_Printf("failed to get OpenGL function: %s", #proc); \
GL_DBG_Printf("failed to get OpenGL function: %s\n", #proc); \
} \
GETOPENGLFUNC(pglClearColor, glClearColor)
@ -457,9 +457,6 @@ boolean SetupGLfunc(void)
GETOPENGLFUNC(pglDrawElements, glDrawElements)
GETOPENGLFUNC(pglEnableClientState, glEnableClientState)
GETOPENGLFUNC(pglDisableClientState, glDisableClientState)
GETOPENGLFUNC(pglClientActiveTexture, glClientActiveTexture)
if (!pglClientActiveTexture)
GETOPENGLFUNC(pglClientActiveTexture, glClientActiveTextureARB)
GETOPENGLFUNC(pglShadeModel, glShadeModel)
GETOPENGLFUNC(pglLightfv, glLightfv)
@ -490,29 +487,11 @@ boolean SetupGLfunc(void)
}
static INT32 glstate_fog_mode = 0;
static INT32 glstate_fog_function = 0;
static float glstate_fog_density = 0;
INT32 gl_leveltime = 0;
// GL4
#ifdef GL_SHADERS
#define MAXSHADERS 16
#define MAXSHADERPROGRAMS 16
static GLuint gl_shaders[MAXSHADERS];
static GLint gl_totalshaders = 0;
static boolean gl_allowshaders = false;
static boolean gl_shadersenabled = false;
static GLuint gl_currentshaderprogram = 0;
static GLuint gl_shaderprograms[MAXSHADERPROGRAMS];
// 18032019
static char *gl_customvertexshaders[MAXSHADERS];
static char *gl_customfragmentshaders[MAXSHADERS];
typedef GLuint (APIENTRY *PFNglCreateShader) (GLenum);
typedef void (APIENTRY *PFNglShaderSource) (GLuint, GLsizei, const GLchar**, GLint*);
typedef void (APIENTRY *PFNglCompileShader) (GLuint);
@ -555,84 +534,111 @@ static PFNglUniform2fv pglUniform2fv;
static PFNglUniform3fv pglUniform3fv;
static PFNglGetUniformLocation pglGetUniformLocation;
#define MAXSHADERS 16
#define MAXSHADERPROGRAMS 16
// 18032019
static char *gl_customvertexshaders[MAXSHADERS];
static char *gl_customfragmentshaders[MAXSHADERS];
static boolean gl_allowshaders = false;
static boolean gl_shadersenabled = false;
static GLuint gl_currentshaderprogram = 0;
// 13062019
typedef enum
{
// lighting
gluniform_mix_color,
gluniform_fade_color,
gluniform_lighting,
// fog
gluniform_fog_mode,
gluniform_fog_density,
// misc. (custom shaders)
gluniform_leveltime,
gluniform_max,
} gluniform_t;
typedef struct gl_shaderprogram_s
{
GLuint program;
boolean custom;
GLuint uniforms[gluniform_max+1];
} gl_shaderprogram_t;
static gl_shaderprogram_t gl_shaderprograms[MAXSHADERPROGRAMS];
// ========================
// Fragment shader macros
// ========================
//
// Fragment shaders
// GLSL Software fragment shader
//
#define GLSL_SHARED_FOG_FUNCTION \
"float fog(const float dist, const float density, const float globaldensity) {\n" \
"const float LOG2 = -1.442695;\n" \
"float d = density * dist;\n" \
"return 1.0 - clamp(exp(d * globaldensity * LOG2), 0.0, 1.0);\n" \
"}\n" \
"float fog2(const float dist, const float density, const float globaldensity) {\n" \
#define GLSL_INTERNAL_FOG_FUNCTION \
"float fog(const float dist, const float density, const float globaldensity) {\n" \
"const float LOG2 = -1.442695;\n" \
"float d = density * dist;\n" \
"return 1.0 - clamp(exp2(d * d * globaldensity * LOG2), 0.0, 1.0);\n" \
"}\n"
#define GLSL_SHARED_FOG_MIX \
// https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_gpu_shader_fp64.txt
#define GLSL_INTERNAL_FOG_MIX \
"float fog_distance = gl_FragCoord.z / gl_FragCoord.w;\n" \
"float fog_attenuation = 0.0001 * ((256-lighting)/24);\n" \
"if (fog_function == 2)\n" \
"fog_attenuation = fog2(fog_distance, fog_attenuation, fog_density);\n" \
"else\n" \
"fog_attenuation = fog(fog_distance, fog_attenuation, fog_density);\n" \
"if (fog_mode == 2)\n" \
"fog_attenuation = floor(fog_attenuation*10)/10;\n" \
"float fog_attenuation = floor(fog(fog_distance, 0.0001 * ((256.0-lighting)/24.0), fog_density)*10.0)/10.0;\n" \
"vec4 fog_color = vec4(fade_color[0], fade_color[1], fade_color[2], 1.0);\n" \
"vec4 mixed_color = texel * mix_color;\n" \
"vec4 fog_mix = mix(mixed_color, fog_color, fog_attenuation);\n" \
"vec4 final_color = mix(fog_mix, fog_color, ((256-lighting)/256));\n" \
"vec4 final_color = mix(fog_mix, fog_color, ((256.0-lighting)/256.0));\n" \
"final_color[3] = mixed_color[3];\n"
#define GLSL_FRAGMENT_SHADER_HEADER \
#define GLSL_SOFTWARE_FRAGMENT_SHADER \
"uniform sampler2D tex;\n" \
"uniform vec4 mix_color;\n" \
"uniform vec4 fade_color;\n" \
"uniform float lighting;\n" \
"uniform int fog_mode;\n" \
"uniform int fog_function;\n" \
"uniform float fog_density;\n" \
#define SHARED_FRAGMENT_SHADER \
GLSL_FRAGMENT_SHADER_HEADER \
GLSL_SHARED_FOG_FUNCTION \
GLSL_INTERNAL_FOG_FUNCTION \
"void main(void) {\n" \
"vec4 texel = texture2D(tex, gl_TexCoord[0].st);\n" \
"if (fog_mode == 0)\n" \
"gl_FragColor = texel * mix_color;\n" \
"else\n" \
"{\n" \
GLSL_SHARED_FOG_MIX \
"gl_FragColor = final_color;\n" \
"}\n" \
GLSL_INTERNAL_FOG_MIX \
"gl_FragColor = final_color;\n" \
"}\0"
//
// GLSL generic fragment shader
//
#define GLSL_DEFAULT_FRAGMENT_SHADER \
"uniform sampler2D tex;\n" \
"uniform vec4 mix_color;\n" \
"void main(void) {\n" \
"gl_FragColor = texture2D(tex, gl_TexCoord[0].st) * mix_color;\n" \
"}\0"
static const char *fragment_shaders[] = {
// Default fragment shader
"uniform sampler2D tex;\n"
"uniform vec4 mix_color;\n"
"void main(void) {\n"
"vec4 color = texture2D(tex, gl_TexCoord[0].st);\n"
"vec4 mixed_color = color * mix_color;\n"
"gl_FragColor = mixed_color;\n"
"}\0",
GLSL_DEFAULT_FRAGMENT_SHADER,
// Floor fragment shader
SHARED_FRAGMENT_SHADER,
GLSL_SOFTWARE_FRAGMENT_SHADER,
// Wall fragment shader
SHARED_FRAGMENT_SHADER,
GLSL_SOFTWARE_FRAGMENT_SHADER,
// Sprite fragment shader
SHARED_FRAGMENT_SHADER,
GLSL_SOFTWARE_FRAGMENT_SHADER,
// Model fragment shader
SHARED_FRAGMENT_SHADER,
GLSL_SOFTWARE_FRAGMENT_SHADER,
// Water fragment shader
SHARED_FRAGMENT_SHADER,
GLSL_SOFTWARE_FRAGMENT_SHADER,
// Fog fragment shader
"void main(void) {\n"
@ -642,17 +648,21 @@ static const char *fragment_shaders[] = {
// Sky fragment shader
"uniform sampler2D tex;\n"
"void main(void) {\n"
"float texU = gl_TexCoord[0].s;\n"
"float texV = gl_TexCoord[0].t;\n"
"gl_FragColor = texture2D(tex, vec2(texU, texV));\n"
"gl_FragColor = texture2D(tex, gl_TexCoord[0].st);\n" \
"}\0",
NULL,
};
// ======================
// Vertex shader macros
// ======================
//
// Vertex shaders
// GLSL generic vertex shader
//
#define DEFAULT_VERTEX_SHADER \
#define GLSL_DEFAULT_VERTEX_SHADER \
"void main()\n" \
"{\n" \
"gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * gl_Vertex;\n" \
@ -663,28 +673,30 @@ static const char *fragment_shaders[] = {
static const char *vertex_shaders[] = {
// Default vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
// Floor vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
// Wall vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
// Sprite vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
// Model vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
// Water vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
// Fog vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
// Sky vertex shader
DEFAULT_VERTEX_SHADER,
GLSL_DEFAULT_VERTEX_SHADER,
NULL,
};
#endif // GL_SHADERS
@ -734,15 +746,19 @@ EXPORT void HWRAPI(LoadShaders) (void)
GLuint gl_vertShader, gl_fragShader;
GLint i, result;
gl_customvertexshaders[0] = NULL;
gl_customfragmentshaders[0] = NULL;
for (i = 0; vertex_shaders[i] && fragment_shaders[i]; i++)
{
gl_shaderprogram_t *shader;
const GLchar* vert_shader = vertex_shaders[i];
const GLchar* frag_shader = fragment_shaders[i];
boolean custom = ((gl_customvertexshaders[i] || gl_customfragmentshaders[i]) && (i > 0));
// 18032019
if (gl_customvertexshaders[i])
vert_shader = gl_customvertexshaders[i];
if (gl_customfragmentshaders[i])
frag_shader = gl_customfragmentshaders[i];
@ -754,7 +770,7 @@ EXPORT void HWRAPI(LoadShaders) (void)
//
// Load and compile vertex shader
//
gl_vertShader = gl_shaders[gl_totalshaders++] = pglCreateShader(GL_VERTEX_SHADER);
gl_vertShader = pglCreateShader(GL_VERTEX_SHADER);
if (!gl_vertShader)
I_Error("Hardware driver: Error creating vertex shader %d", i);
@ -779,7 +795,7 @@ EXPORT void HWRAPI(LoadShaders) (void)
//
// Load and compile fragment shader
//
gl_fragShader = gl_shaders[gl_totalshaders++] = pglCreateShader(GL_FRAGMENT_SHADER);
gl_fragShader = pglCreateShader(GL_FRAGMENT_SHADER);
if (!gl_fragShader)
I_Error("Hardware driver: Error creating fragment shader %d", i);
@ -801,15 +817,38 @@ EXPORT void HWRAPI(LoadShaders) (void)
I_Error("Hardware driver: Error compiling fragment shader %d\n%s", i, infoLog);
}
gl_shaderprograms[i] = pglCreateProgram();
pglAttachShader(gl_shaderprograms[i], gl_vertShader);
pglAttachShader(gl_shaderprograms[i], gl_fragShader);
pglLinkProgram(gl_shaderprograms[i]);
shader = &gl_shaderprograms[i];
shader->program = pglCreateProgram();
shader->custom = custom;
pglAttachShader(shader->program, gl_vertShader);
pglAttachShader(shader->program, gl_fragShader);
pglLinkProgram(shader->program);
// check link status
pglGetProgramiv(gl_shaderprograms[i], GL_LINK_STATUS, &result);
pglGetProgramiv(shader->program, GL_LINK_STATUS, &result);
if (result != GL_TRUE)
I_Error("Hardware driver: Error linking shader program %d", i);
// delete the shader objects
pglDeleteShader(gl_vertShader);
pglDeleteShader(gl_fragShader);
// 13062019
#define GETUNI(uniform) pglGetUniformLocation(shader->program, uniform);
// lighting
shader->uniforms[gluniform_mix_color] = GETUNI("mix_color");
shader->uniforms[gluniform_fade_color] = GETUNI("fade_color");
shader->uniforms[gluniform_lighting] = GETUNI("lighting");
// fog
shader->uniforms[gluniform_fog_mode] = GETUNI("fog_mode");
shader->uniforms[gluniform_fog_density] = GETUNI("fog_density");
// misc. (custom shaders)
shader->uniforms[gluniform_leveltime] = GETUNI("leveltime");
#undef GETUNI
}
#endif
}
@ -866,20 +905,7 @@ EXPORT void HWRAPI(UnSetShader) (void)
EXPORT void HWRAPI(KillShaders) (void)
{
#ifdef GL_SHADERS
GLint total_shaders = gl_totalshaders;
GLint i;
if (!total_shaders)
return;
for (i = 0; i < total_shaders; i++)
{
pglDeleteShader(gl_shaders[i]);
gl_shaders[i] = 0;
gl_totalshaders--;
}
#endif
// unused.........................
}
// -----------------+
@ -1590,30 +1616,36 @@ EXPORT void HWRAPI(SetTexture) (FTextureInfo *pTexInfo)
}
}
// jimita
static void load_shaders(FSurfaceInfo *Surface, GLRGBAFloat *mix, GLRGBAFloat *fade)
{
#ifdef GL_SHADERS
if (gl_shadersenabled)
{
if (gl_shaderprograms[gl_currentshaderprogram])
gl_shaderprogram_t *shader = &gl_shaderprograms[gl_currentshaderprogram];
if (shader->program)
{
pglUseProgram(gl_shaderprograms[gl_currentshaderprogram]);
boolean custom = (gl_shaderprograms[gl_currentshaderprogram].custom);
// 13062019
// Check for fog
//if (changed)
{
if (!custom)
{
if (glstate_fog_mode == 0) // disabled
{
// Nevermind!
pglUseProgram(0);
return;
}
else // enabled
pglUseProgram(gl_shaderprograms[gl_currentshaderprogram].program);
}
else // always load custom shaders
pglUseProgram(gl_shaderprograms[gl_currentshaderprogram].program);
}
// set uniforms
{
#define GETUNI(uniform) pglGetUniformLocation(gl_shaderprograms[gl_currentshaderprogram], uniform);
GLint UNIFORM_fog_mode = GETUNI("fog_mode");
GLint UNIFORM_fog_function = GETUNI("fog_function");
GLint UNIFORM_fog_density = GETUNI("fog_density");
GLint UNIFORM_mix_color = GETUNI("mix_color");
GLint UNIFORM_fade_color = GETUNI("fade_color");
GLint UNIFORM_lighting = GETUNI("lighting");
GLint UNIFORM_resolution = GETUNI("resolution");
GLint UNIFORM_leveltime = GETUNI("leveltime");
#undef GETUNI
#define UNIFORM_1(uniform, a, function) \
if (uniform != -1) \
function (uniform, a);
@ -1630,18 +1662,27 @@ static void load_shaders(FSurfaceInfo *Surface, GLRGBAFloat *mix, GLRGBAFloat *f
if (uniform != -1) \
function (uniform, a, b, c, d);
// glstate
UNIFORM_1(UNIFORM_fog_mode, glstate_fog_mode, pglUniform1i);
UNIFORM_1(UNIFORM_fog_function, glstate_fog_function, pglUniform1i);
UNIFORM_1(UNIFORM_fog_density, glstate_fog_density, pglUniform1f);
// polygon
UNIFORM_4(UNIFORM_mix_color, mix->red, mix->green, mix->blue, mix->alpha, pglUniform4f);
UNIFORM_4(UNIFORM_fade_color, fade->red, fade->green, fade->blue, fade->alpha, pglUniform4f);
UNIFORM_1(UNIFORM_lighting, Surface->LightInfo.light_level, pglUniform1f);
UNIFORM_4(shader->uniforms[gluniform_mix_color], mix->red, mix->green, mix->blue, mix->alpha, pglUniform4f);
UNIFORM_2(UNIFORM_resolution, screen_width, screen_height, pglUniform2f);
UNIFORM_1(UNIFORM_leveltime, (float)gl_leveltime, pglUniform1f);
// 13062019
// Check for fog
if (glstate_fog_mode == 1)
{
// glstate
UNIFORM_1(shader->uniforms[gluniform_fog_density], glstate_fog_density, pglUniform1f);
// polygon
UNIFORM_4(shader->uniforms[gluniform_fade_color], fade->red, fade->green, fade->blue, fade->alpha, pglUniform4f);
UNIFORM_1(shader->uniforms[gluniform_lighting], Surface->LightInfo.light_level, pglUniform1f);
// Custom shader uniforms
if (custom)
{
UNIFORM_1(shader->uniforms[gluniform_fog_mode], glstate_fog_mode, pglUniform1i);
UNIFORM_1(shader->uniforms[gluniform_leveltime], (float)gl_leveltime, pglUniform1f);
}
}
#undef UNIFORM_1
#undef UNIFORM_2
@ -1689,7 +1730,6 @@ EXPORT void HWRAPI(DrawPolygon) (FSurfaceInfo *pSurf, FOutVector *pOutVerts, FUI
fade.alpha = byte2float[pSurf->FadeColor.s.alpha];
}
// jimita
load_shaders(pSurf, &mix, &fade);
pglVertexPointer(3, GL_FLOAT, sizeof(FOutVector), &pOutVerts[0].x);
@ -1733,10 +1773,6 @@ EXPORT void HWRAPI(SetSpecialState) (hwdspecialstate_t IdState, INT32 Value)
glstate_fog_mode = Value;
break;
case HWD_SET_FOG_FUNCTION:
glstate_fog_function = Value;
break;
case HWD_SET_FOG_DENSITY:
glstate_fog_density = FIXED_TO_FLOAT(Value);
break;
@ -2043,7 +2079,6 @@ static void DrawModelEx(model_t *model, INT32 frameIndex, INT32 duration, INT32
fade.blue = byte2float[Surface->FadeColor.s.blue];
fade.alpha = byte2float[Surface->FadeColor.s.alpha];
// jimita
load_shaders(Surface, &mix, &fade);
pglEnable(GL_CULL_FACE);

2
src/m_menu.c
View file

@ -1299,8 +1299,6 @@ static menuitem_t OP_OpenGLFogMenu[] =
{
{IT_STRING|IT_CVAR, NULL, "Fog", &cv_grfog, 10},
{IT_STRING|IT_CVAR, NULL, "Fog density", &cv_grfogdensity, 20},
{IT_STRING|IT_CVAR, NULL, "Software fog",&cv_grsoftwarefog,30},
{IT_STRING|IT_CVAR, NULL, "Fog algorithm",&cv_grfogfunction,40},
};
static menuitem_t OP_OpenGLColorMenu[] =

2
src/r_main.c
View file

@ -1552,7 +1552,6 @@ void R_RegisterEngineStuff(void)
CV_RegisterVar(&cv_grfovchange);
CV_RegisterVar(&cv_grfog);
//CV_RegisterVar(&cv_grfogcolor);
CV_RegisterVar(&cv_grfogfunction);
#ifdef ALAM_LIGHTING
CV_RegisterVar(&cv_grstaticlighting);
CV_RegisterVar(&cv_grdynamiclighting);
@ -1561,7 +1560,6 @@ void R_RegisterEngineStuff(void)
#endif
CV_RegisterVar(&cv_grmdls);
CV_RegisterVar(&cv_grfallbackplayermodel);
CV_RegisterVar(&cv_grsoftwarefog);
CV_RegisterVar(&cv_grfogdensity);
CV_RegisterVar(&cv_grspritebillboarding);
CV_RegisterVar(&cv_grshearing);

3
src/v_video.c
View file

@ -59,12 +59,9 @@ static void CV_Gammaxxx_ONChange(void);
// but they won't do anything.
static CV_PossibleValue_t grgamma_cons_t[] = {{1, "MIN"}, {255, "MAX"}, {0, NULL}};
static CV_PossibleValue_t grfogdensity_cons_t[] = {{FRACUNIT/2, "MIN"}, {FRACUNIT*2, "MAX"}, {0, NULL}};
static CV_PossibleValue_t grfogfunction_cons_t[] = {{1, "exp"}, {2, "exp2"}, {0, NULL}};
consvar_t cv_grshaders = {"gr_shaders", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_grfog = {"gr_fog", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_grsoftwarefog = {"gr_softwarefog", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_grfogfunction = {"gr_fogfunction", "exp2", CV_SAVE, grfogfunction_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_grfogdensity = {"gr_fogdensity", "1.0", CV_SAVE|CV_FLOAT, grfogdensity_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_grfovchange = {"gr_fovchange", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_grgammared = {"gr_gammared", "127", CV_SAVE|CV_CALL, grgamma_cons_t,