/**
* @brief
*/
void R_UseMaterial_default(const r_material_t *material) {
r_default_program_t *p = &r_default_program;
if (!material || !material->normalmap ||
!r_bumpmap->value || r_draw_bsp_lightmaps->value) {
R_DisableAttribute(R_ARRAY_TANGENT);
R_ProgramParameter1i(&p->normalmap, 0);
return;
}
R_EnableAttribute(R_ARRAY_TANGENT);
R_BindNormalmapTexture(material->normalmap->texnum);
R_ProgramParameter1i(&p->normalmap, 1);
if (material->specularmap) {
R_BindSpecularmapTexture(material->specularmap->texnum);
R_ProgramParameter1i(&p->glossmap, 1);
} else {
R_ProgramParameter1i(&p->glossmap, 0);
}
R_ProgramParameter1f(&p->bump, material->cm->bump * r_bumpmap->value);
R_ProgramParameter1f(&p->parallax, material->cm->parallax * r_parallax->value);
R_ProgramParameter1f(&p->hardness, material->cm->hardness * r_hardness->value);
R_ProgramParameter1f(&p->specular, material->cm->specular * r_specular->value);
}
/**
* @brief
*/
void R_UseProgram_default(void) {
r_default_program_t *p = &r_default_program;
R_ProgramParameter1i(&p->diffuse, texunit_diffuse->enabled);
R_ProgramParameter1i(&p->lightmap, texunit_lightmap->enabled);
}
/*
* R_EnableBumpmap
*
* Enables bumpmapping while updating program parameters to reflect the
* specified material.
*/
void R_EnableBumpmap(r_material_t *material, boolean_t enable) {
if (!r_state.lighting_enabled)
return;
if (!r_bumpmap->value)
return;
R_UseMaterial(material);
if (r_state.bumpmap_enabled == enable)
return;
r_state.bumpmap_enabled = enable;
if (enable) { // toggle state
R_EnableAttribute("TANGENT");
R_ProgramParameter1i("BUMPMAP", 1);
} else {
R_DisableAttribute("TANGENT");
R_ProgramParameter1i("BUMPMAP", 0);
}
}
static void R_InitCombine2Program (r_program_t* prog)
{
GLfloat defaultColor[4] = {0.0, 0.0, 0.0, 0.0};
R_ProgramParameter1i("SAMPLER0", 0);
R_ProgramParameter1i("SAMPLER1", 1);
R_ProgramParameter4fv("DEFAULTCOLOR", defaultColor);
}
/**
* @brief
*/
void R_UseMaterial_null(const r_material_t *material) {
r_null_program_t *p = &r_null_program;
if (material && material->tintmap) {
R_BindTintTexture(material->tintmap->texnum);
R_ProgramParameter1i(&p->tintmap, 1);
} else {
R_ProgramParameter1i(&p->tintmap, 0);
}
}
static void R_InitAtmosphereProgram (r_program_t* prog)
{
static vec4_t defaultColor = {0.0, 0.0, 0.0, 1.0};
static vec2_t uvScale = {2.0, 1.0};
R_ProgramParameter1i("SAMPLER_DIFFUSE", 0);
R_ProgramParameter1i("SAMPLER_NORMALMAP", 2);
R_ProgramParameter4fv("DEFAULTCOLOR", defaultColor);
R_ProgramParameter2fv("UVSCALE", uvScale);
}
static void R_InitWorldProgram (r_program_t* prog)
{
R_ProgramParameter1i("SAMPLER_DIFFUSE", 0);
R_ProgramParameter1i("SAMPLER_LIGHTMAP", 1);
R_ProgramParameter1i("SAMPLER_DELUXEMAP", 2);
R_ProgramParameter1i("SAMPLER_NORMALMAP", 3);
R_ProgramParameter1i("SAMPLER_GLOWMAP", 4);
R_ProgramParameter1i("BUMPMAP", 0);
if (r_programs->integer > 1) {
R_ProgramParameter3fv("AMBIENT", refdef.ambientColor);
R_ProgramParameter1i("SPECULARMAP", 0);
R_ProgramParameter1i("SAMPLER_SPECULAR", 5);
R_ProgramParameter1f("HARDNESS", defaultMaterial.hardness);
R_ProgramParameter1f("SPECULAR", defaultMaterial.specular);
R_ProgramParameter1f("PARALLAX", defaultMaterial.parallax);
}
R_ProgramParameter1f("BUMP", defaultMaterial.bump);
R_ProgramParameter1f("GLOWSCALE", defaultMaterial.glowscale);
if (r_fog->integer) {
if (r_state.fog_enabled) {
R_ProgramParameter3fv("FOGCOLOR", refdef.fogColor);
R_ProgramParameter1f("FOGDENSITY", refdef.fogColor[3]);
R_ProgramParameter2fv("FOGRANGE", fogRange);
} else {
R_ProgramParameter1f("FOGDENSITY", 0.0f);
}
}
}
static void R_InitGeoscapeProgram (r_program_t* prog)
{
static vec4_t defaultColor = {0.0, 0.0, 0.0, 1.0};
static vec4_t cityLightColor = {1.0, 1.0, 0.8, 1.0};
static vec2_t uvScale = {2.0, 1.0};
R_ProgramParameter1i("SAMPLER_DIFFUSE", 0);
R_ProgramParameter1i("SAMPLER_BLEND", 1);
R_ProgramParameter1i("SAMPLER_NORMALMAP", 2);
R_ProgramParameter4fv("DEFAULTCOLOR", defaultColor);
R_ProgramParameter4fv("CITYLIGHTCOLOR", cityLightColor);
R_ProgramParameter2fv("UVSCALE", uvScale);
}
/**
* @brief
*/
void R_UseCaustic_default(const r_caustic_parameters_t *caustic) {
r_default_program_t *p = &r_default_program;
if (caustic && caustic->enable) {
R_ProgramParameter1i(&p->caustic.enable, caustic->enable);
R_ProgramParameter3fv(&p->caustic.color, caustic->color);
R_ProgramParameter1f(&p->time, r_view.ticks / 1000.0);
} else {
R_ProgramParameter1i(&p->caustic.enable, 0);
}
}
/**
* @brief
*/
void R_InitProgram_null(r_program_t *program) {
r_null_program_t *p = &r_null_program;
R_ProgramVariable(&program->attributes[R_ARRAY_POSITION], R_ATTRIBUTE, "POSITION", true);
R_ProgramVariable(&program->attributes[R_ARRAY_COLOR], R_ATTRIBUTE, "COLOR", true);
R_ProgramVariable(&program->attributes[R_ARRAY_DIFFUSE], R_ATTRIBUTE, "TEXCOORD", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NEXT_POSITION], R_ATTRIBUTE, "NEXT_POSITION", true);
R_ProgramVariable(&p->sampler0, R_SAMPLER_2D, "SAMPLER0", true);
R_ProgramVariable(&p->fog.start, R_UNIFORM_FLOAT, "FOG.START", true);
R_ProgramVariable(&p->fog.end, R_UNIFORM_FLOAT, "FOG.END", true);
R_ProgramVariable(&p->fog.color, R_UNIFORM_VEC3, "FOG.COLOR", true);
R_ProgramVariable(&p->fog.density, R_UNIFORM_FLOAT, "FOG.DENSITY", true);
R_ProgramVariable(&p->current_color, R_UNIFORM_VEC4, "GLOBAL_COLOR", true);
R_ProgramVariable(&p->time_fraction, R_UNIFORM_FLOAT, "TIME_FRACTION", true);
R_ProgramParameter1i(&p->sampler0, R_TEXUNIT_DIFFUSE);
R_ProgramParameter1f(&p->fog.density, 0.0);
const vec4_t white = { 1.0, 1.0, 1.0, 1.0 };
R_ProgramParameter4fv(&p->current_color, white);
R_ProgramParameter1f(&p->time_fraction, 0.0f);
}
static void R_InitWarpProgram (r_program_t* prog)
{
static vec4_t offset;
R_ProgramParameter1i("SAMPLER_DIFFUSE", 0);
R_ProgramParameter1i("SAMPLER_WARP", 1);
R_ProgramParameter1i("SAMPLER_GLOWMAP", 4);
R_ProgramParameter1f("GLOWSCALE", 0.0);
R_ProgramParameter4fv("OFFSET", offset);
if (r_fog->integer) {
if (r_state.fog_enabled) {
R_ProgramParameter3fv("FOGCOLOR", refdef.fogColor);
R_ProgramParameter1f("FOGDENSITY", refdef.fogColor[3]);
R_ProgramParameter2fv("FOGRANGE", fogRange);
} else {
R_ProgramParameter1f("FOGDENSITY", 0.0f);
}
}
}
static void R_InitModelProgram (r_program_t* prog)
{
vec4_t sunDirection;
R_ProgramParameter1i("SAMPLER_DIFFUSE", 0);
R_ProgramParameter1i("SAMPLER_NORMALMAP", 3);
R_ProgramParameter1i("SAMPLER_GLOWMAP", 4);
R_ProgramParameter1i("BUMPMAP", 0);
R_ProgramParameter1i("ANIMATE", 0);
R_ProgramParameter1f("BUMP", defaultMaterial.bump);
R_ProgramParameter1f("GLOWSCALE", defaultMaterial.glowscale);
R_ProgramParameter1f("OFFSET", 0.0);
R_ProgramParameter3fv("AMBIENT", refdef.modelAmbientColor);
R_ProgramParameter3fv("SUNCOLOR", refdef.sunDiffuseColor);
GLVectorTransform(r_locals.world_matrix, refdef.sunVector, sunDirection);
R_ProgramParameter3fv("SUNDIRECTION", sunDirection); /* last component is not needed */
if (r_programs->integer > 1) {
R_ProgramParameter1i("SAMPLER_SPECULAR", 5);
R_ProgramParameter1i("SPECULARMAP", 0);
R_ProgramParameter1f("HARDNESS", defaultMaterial.hardness);
R_ProgramParameter1f("SPECULAR", defaultMaterial.specular);
R_ProgramParameter1f("PARALLAX", defaultMaterial.parallax);
if (r_programs->integer > 2) {
R_ProgramParameter1i("SAMPLER_ROUGHMAP", 2);
R_ProgramParameter1i("ROUGHMAP", 0);
}
}
if (r_fog->integer) {
if (r_state.fog_enabled) {
R_ProgramParameter3fv("FOGCOLOR", refdef.fogColor);
R_ProgramParameter1f("FOGDENSITY", refdef.fogColor[3]);
R_ProgramParameter2fv("FOGRANGE", fogRange);
} else {
R_ProgramParameter1f("FOGDENSITY", 0.0f);
}
}
}
/**
* @brief
*/
void R_InitProgram_null(r_program_t *program) {
r_null_program_t *p = &r_null_program;
R_ProgramVariable(&program->attributes[R_ATTRIB_POSITION], R_ATTRIBUTE, "POSITION", true);
R_ProgramVariable(&program->attributes[R_ATTRIB_COLOR], R_ATTRIBUTE, "COLOR", true);
R_ProgramVariable(&program->attributes[R_ATTRIB_DIFFUSE], R_ATTRIBUTE, "TEXCOORD", true);
R_ProgramVariable(&program->attributes[R_ATTRIB_NEXT_POSITION], R_ATTRIBUTE, "NEXT_POSITION", true);
R_ProgramVariable(&p->tintmap, R_UNIFORM_INT, "TINTMAP", true);
R_ProgramVariable(&p->sampler0, R_SAMPLER_2D, "SAMPLER0", true);
R_ProgramVariable(&p->sampler6, R_SAMPLER_2D, "SAMPLER6", true);
R_ProgramVariable(&p->fog.start, R_UNIFORM_FLOAT, "FOG.START", true);
R_ProgramVariable(&p->fog.end, R_UNIFORM_FLOAT, "FOG.END", true);
R_ProgramVariable(&p->fog.color, R_UNIFORM_VEC3, "FOG.COLOR", true);
R_ProgramVariable(&p->fog.density, R_UNIFORM_FLOAT, "FOG.DENSITY", true);
for (int32_t i = 0; i < TINT_TOTAL; i++) {
R_ProgramVariable(&p->tints[i], R_UNIFORM_VEC4, va("TINTS[%i]", i), true);
}
R_ProgramVariable(&p->time_fraction, R_UNIFORM_FLOAT, "TIME_FRACTION", true);
R_ProgramParameter1i(&p->tintmap, 0);
R_ProgramParameter1i(&p->sampler0, R_TEXUNIT_DIFFUSE);
R_ProgramParameter1i(&p->sampler6, R_TEXUNIT_TINTMAP);
R_ProgramParameter1f(&p->fog.density, 0.0);
R_ProgramParameter1f(&p->time_fraction, 0.0f);
}
static void R_InitConvolveProgram (r_program_t* prog)
{
float filter[FILTER_SIZE];
float sum = 0;
int i;
const size_t size = lengthof(filter);
/* approximate a Gaussian by normalizing the Nth row of Pascale's Triangle */
for (i = 0; i < size; i++) {
filter[i] = (float)R_PascalTriangle(size, i + 1);
sum += filter[i];
}
for (i = 0; i < size; i++)
filter[i] = (filter[i] / sum);
R_ProgramParameter1i("SAMPLER0", 0);
R_ProgramParameter1fvs("COEFFICIENTS", size, filter);
}
/**
* @brief
*/
void R_InitProgram_shell(r_program_t *program) {
r_shell_program_t *p = &r_shell_program;
R_ProgramVariable(&program->attributes[R_ATTRIB_POSITION], R_ATTRIBUTE, "POSITION", true);
R_ProgramVariable(&program->attributes[R_ATTRIB_NORMAL], R_ATTRIBUTE, "NORMAL", true);
R_ProgramVariable(&program->attributes[R_ATTRIB_DIFFUSE], R_ATTRIBUTE, "TEXCOORD", true);
R_ProgramVariable(&program->attributes[R_ATTRIB_NEXT_POSITION], R_ATTRIBUTE, "NEXT_POSITION", true);
R_ProgramVariable(&program->attributes[R_ATTRIB_NEXT_NORMAL], R_ATTRIBUTE, "NEXT_NORMAL", true);
R_ProgramVariable(&p->offset, R_UNIFORM_FLOAT, "OFFSET", true);
R_ProgramParameter1f(&p->offset, 0.0);
R_ProgramVariable(&p->shell_offset, R_UNIFORM_FLOAT, "SHELL_OFFSET", true);
R_ProgramParameter1f(&p->shell_offset, 0.0);
R_ProgramVariable(&p->sampler0, R_SAMPLER_2D, "SAMPLER0", true);
R_ProgramParameter1i(&p->sampler0, R_TEXUNIT_DIFFUSE);
R_ProgramVariable(&p->time_fraction, R_UNIFORM_FLOAT, "TIME_FRACTION", true);
R_ProgramParameter1f(&p->time_fraction, 0.0f);
}
static void R_InitSimpleGlowProgram (r_program_t* prog)
{
R_ProgramParameter1i("SAMPLER_DIFFUSE", 0);
R_ProgramParameter1i("SAMPLER_GLOWMAP", 4);
R_ProgramParameter1f("GLOWSCALE", 1.0);
}
/**
* @brief
*/
void R_InitProgram_default(r_program_t *program) {
r_default_program_t *p = &r_default_program;
p->program = program;
R_ProgramVariable(&program->attributes[R_ARRAY_POSITION], R_ATTRIBUTE, "POSITION", true);
R_ProgramVariable(&program->attributes[R_ARRAY_COLOR], R_ATTRIBUTE, "COLOR", true);
R_ProgramVariable(&program->attributes[R_ARRAY_DIFFUSE], R_ATTRIBUTE, "TEXCOORD0", true);
R_ProgramVariable(&program->attributes[R_ARRAY_LIGHTMAP], R_ATTRIBUTE, "TEXCOORD1", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NORMAL], R_ATTRIBUTE, "NORMAL", true);
R_ProgramVariable(&program->attributes[R_ARRAY_TANGENT], R_ATTRIBUTE, "TANGENT", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NEXT_POSITION], R_ATTRIBUTE, "NEXT_POSITION", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NEXT_NORMAL], R_ATTRIBUTE, "NEXT_NORMAL", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NEXT_TANGENT], R_ATTRIBUTE, "NEXT_TANGENT", true);
R_ProgramVariable(&p->diffuse, R_UNIFORM_INT, "DIFFUSE", true);
R_ProgramVariable(&p->lightmap, R_UNIFORM_INT, "LIGHTMAP", true);
R_ProgramVariable(&p->normalmap, R_UNIFORM_INT, "NORMALMAP", true);
R_ProgramVariable(&p->glossmap, R_UNIFORM_INT, "GLOSSMAP", true);
R_ProgramVariable(&p->bump, R_UNIFORM_FLOAT, "BUMP", true);
R_ProgramVariable(&p->parallax, R_UNIFORM_FLOAT, "PARALLAX", true);
R_ProgramVariable(&p->hardness, R_UNIFORM_FLOAT, "HARDNESS", true);
R_ProgramVariable(&p->specular, R_UNIFORM_FLOAT, "SPECULAR", true);
R_ProgramVariable(&p->sampler0, R_SAMPLER_2D, "SAMPLER0", true);
R_ProgramVariable(&p->sampler1, R_SAMPLER_2D, "SAMPLER1", true);
R_ProgramVariable(&p->sampler2, R_SAMPLER_2D, "SAMPLER2", true);
R_ProgramVariable(&p->sampler3, R_SAMPLER_2D, "SAMPLER3", true);
R_ProgramVariable(&p->sampler4, R_SAMPLER_2D, "SAMPLER4", true);
R_ProgramVariable(&p->fog.start, R_UNIFORM_FLOAT, "FOG.START", true);
R_ProgramVariable(&p->fog.end, R_UNIFORM_FLOAT, "FOG.END", true);
R_ProgramVariable(&p->fog.color, R_UNIFORM_VEC3, "FOG.COLOR", true);
R_ProgramVariable(&p->fog.density, R_UNIFORM_FLOAT, "FOG.DENSITY", true);
if (r_state.max_active_lights) {
p->lights = Mem_TagMalloc(sizeof(r_uniform_light_t) * r_state.max_active_lights, MEM_TAG_RENDERER);
for (int32_t i = 0; i < r_state.max_active_lights; ++i) {
R_ProgramVariable(&p->lights[i].origin, R_UNIFORM_VEC3, va("LIGHTS.ORIGIN[%i]", i), true);
R_ProgramVariable(&p->lights[i].color, R_UNIFORM_VEC3, va("LIGHTS.COLOR[%i]", i), true);
R_ProgramVariable(&p->lights[i].radius, R_UNIFORM_FLOAT, va("LIGHTS.RADIUS[%i]", i), true);
}
R_ProgramParameter1f(&p->lights[0].radius, 0.0);
} else {
p->lights = NULL;
}
R_ProgramVariable(&p->caustic.enable, R_UNIFORM_INT, "CAUSTIC.ENABLE", true);
R_ProgramVariable(&p->caustic.color, R_UNIFORM_VEC3, "CAUSTIC.COLOR", true);
R_ProgramVariable(&p->normal_mat, R_UNIFORM_MAT4, "NORMAL_MAT", true);
R_ProgramVariable(&p->alpha_threshold, R_UNIFORM_FLOAT, "ALPHA_THRESHOLD", true);
R_ProgramVariable(&p->time_fraction, R_UNIFORM_FLOAT, "TIME_FRACTION", true);
R_ProgramVariable(&p->time, R_UNIFORM_FLOAT, "TIME", true);
R_ProgramParameter1i(&p->lightmap, 0);
R_ProgramParameter1i(&p->normalmap, 0);
R_ProgramParameter1i(&p->glossmap, 0);
R_ProgramParameter1f(&p->bump, 1.0);
R_ProgramParameter1f(&p->parallax, 1.0);
R_ProgramParameter1f(&p->hardness, 1.0);
R_ProgramParameter1f(&p->specular, 1.0);
R_ProgramParameter1i(&p->sampler0, R_TEXUNIT_DIFFUSE);
R_ProgramParameter1i(&p->sampler1, R_TEXUNIT_LIGHTMAP);
R_ProgramParameter1i(&p->sampler2, R_TEXUNIT_DELUXEMAP);
R_ProgramParameter1i(&p->sampler3, R_TEXUNIT_NORMALMAP);
R_ProgramParameter1i(&p->sampler4, R_TEXUNIT_SPECULARMAP);
R_ProgramParameter1f(&p->fog.density, 0.0);
R_ProgramParameter1f(&p->alpha_threshold, ALPHA_TEST_DISABLED_THRESHOLD);
R_ProgramParameter1i(&p->caustic.enable, 0);
R_ProgramParameter1f(&p->time_fraction, 0.0f);
R_ProgramParameter1f(&p->time, 0.0f);
}
void R_InitParticleProgram (r_program_t* prog)
{
R_ProgramParameter1i("SAMPLER0", 0);
}
