void Particle::Draw()
{
// enable point
glPushMatrix();
glDepthMask( false );
glEnable( GL_POINT_SMOOTH );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
// set up size of point
double maxSize = 0.0;
glGetDoublev( GL_POINT_SIZE_MAX, &maxSize );
glPointSize( mSize );
glPointParameterf( GL_POINT_FADE_THRESHOLD_SIZE, 100.0 ); // ???
glPointParameterf( GL_POINT_SIZE_MIN, 1.0 );
glPointParameterf( GL_POINT_SIZE_MAX, maxSize );
// size of points decreases
//GLfloat constant[1] = {1.0};
//GLfloat quadratic[3] = {1.0, 0.0, 0.1};
//glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, constant);
// draw particle
glBegin( GL_POINTS );
glColor4d( mColour.R(), mColour.G(), mColour.B(), 0.5 );
glVertex3d( mPosition[0], mPosition[1], mPosition[2] );
glEnd();
// disable stuff
glDisable( GL_POINT_SMOOTH );
glDisable( GL_BLEND );
glDepthMask( true );
glPopMatrix();
}
void SCE_RUsePointSprite (SCE_RPointSprite *point)
{
if (point)
{
glPointSize (point->size);
/* TODO: manage ARB_point_parameters extensions :
GL_ARB_point_parameters, GL_ARB_point_sprite,
GL_EXT_point_parameters */
glPointParameterfv (GL_POINT_DISTANCE_ATTENUATION, point->att);
glPointParameterf (GL_POINT_SIZE_MAX, point->maxsize);
glPointParameterf (GL_POINT_SIZE_MIN, point->minsize);
if (point->smooth)
glEnable (GL_POINT_SMOOTH);
if (point->textured)
{
/* exige que la texture ait deja ete appliquee */
glTexEnvf (GL_POINT_SPRITE, GL_COORD_REPLACE, SCE_TRUE);
glEnable (GL_POINT_SPRITE);
}
}
else
{
glTexEnvf (GL_POINT_SPRITE, GL_COORD_REPLACE, SCE_FALSE);
glDisable (GL_POINT_SPRITE);
glDisable (GL_POINT_SMOOTH);
}
}
void Particles::onPreRender(RenderView*, const RenderState&)
{
#if 0
glEnable(GL_POINT_SPRITE);
glPointSize(size);
glPointParameterfv( GL_POINT_DISTANCE_ATTENUATION, &attenuation.x );
glPointParameterf( GL_POINT_SIZE_MIN, minScale );
glPointParameterf( GL_POINT_SIZE_MAX, maxScale );
glPointParameterf( GL_POINT_FADE_THRESHOLD_SIZE, fadeRate );
//glTexEnvi( GL_POINT_SPRITE, GL_COORD_REPLACE, true );
#endif
#pragma TODO("Enable point sprite extensions for the render")
}
/**
* @brief Renderer::initialize_pointsprites internally used to initialize point-sprite rendering
*/
void Renderer::initialize_pointsprites(){
glEnable(GL_POINT_SPRITE); // needed so that fragment shader can use gl_PointCoord
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE); // needed so vertex stage can set point size
glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, GL_UPPER_LEFT);
glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, 4);
glGenBuffers(1, &pointsprites_vbo);
glBindBuffer(GL_ARRAY_BUFFER, pointsprites_vbo);
glBufferData(GL_ARRAY_BUFFER,
3 /* size of a vertex in elements */
* dataset.bodycount /* number of vertices */
* sizeof(float), /* lastly, convert to bytes */
dataset.type_adapter_get(),
GL_DYNAMIC_DRAW);
glEnableVertexAttribArray(0); // xyz position
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(float)*3 /* 3 components */, 0); // xyz positions
if(use_fancy_shaders){
pointsprites_shader = new Shader(SHADER_RESOURCE_PATH + "/pointsprite-fancier.vsh",
SHADER_RESOURCE_PATH + "/pointsprite-fancier.fsh");
}
else {
pointsprites_shader = new Shader(SHADER_RESOURCE_PATH + "/pointsprite.vsh",
SHADER_RESOURCE_PATH + "/pointsprite-simple.fsh");
}
}
void StateSystem::RasterState::applyGL() const
{
//glFrontFace(frontFace);
glCullFace(cullFace);
//glPolygonOffset(polyOffsetFactor,polyOffsetUnits);
glPolygonMode(GL_FRONT_AND_BACK,polyMode);
//glLineWidth(lineWidth);
glPointSize(pointSize);
glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE,pointFade);
glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN,pointSpriteOrigin);
}
inline void VL_glPointParameterf( GLenum pname, GLfloat param)
{
if (glPointParameterf)
glPointParameterf(pname,param);
else
if (glPointParameterfARB)
glPointParameterfARB(pname,param);
else
if (glPointParameterfEXT)
glPointParameterfEXT(pname,param);
else
VL_UNSUPPORTED_FUNC();
}
void GLStateCacheManagerImp::setPointParameters(GLfloat *attenuation, float minSize, float maxSize)
{
if (minSize != mPointSizeMin)
{
mPointSizeMin = minSize;
const Ogre::RenderSystemCapabilities* caps = dynamic_cast<GLRenderSystem*>(Root::getSingleton().getRenderSystem())->getCapabilities();
if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS))
glPointParameterf(GL_POINT_SIZE_MIN, mPointSizeMin);
else if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS_ARB))
glPointParameterfARB(GL_POINT_SIZE_MIN, mPointSizeMin);
else if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS_EXT))
glPointParameterfEXT(GL_POINT_SIZE_MIN, mPointSizeMin);
}
if (maxSize != mPointSizeMax)
{
mPointSizeMax = maxSize;
const Ogre::RenderSystemCapabilities* caps = dynamic_cast<GLRenderSystem*>(Root::getSingleton().getRenderSystem())->getCapabilities();
if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS))
glPointParameterf(GL_POINT_SIZE_MAX, mPointSizeMax);
else if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS_ARB))
glPointParameterfARB(GL_POINT_SIZE_MAX, mPointSizeMax);
else if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS_EXT))
glPointParameterfEXT(GL_POINT_SIZE_MAX, mPointSizeMax);
}
if (attenuation[0] != mPointAttenuation[0] || attenuation[1] != mPointAttenuation[1] || attenuation[2] != mPointAttenuation[2])
{
mPointAttenuation[0] = attenuation[0];
mPointAttenuation[1] = attenuation[1];
mPointAttenuation[2] = attenuation[2];
const Ogre::RenderSystemCapabilities* caps = dynamic_cast<GLRenderSystem*>(Root::getSingleton().getRenderSystem())->getCapabilities();
if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS))
glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, &mPointAttenuation[0]);
else if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS_ARB))
glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION, &mPointAttenuation[0]);
else if (caps->hasCapability(RSC_POINT_EXTENDED_PARAMETERS_EXT))
glPointParameterfvEXT(GL_POINT_DISTANCE_ATTENUATION, &mPointAttenuation[0]);
}
}
/*
* Renders the tracked points
*/
void PointCloudApplication::render_point_cloud() {
pointcloud_state state = pointcloud_get_state();
if (state == POINTCLOUD_INITIALIZING ||
state == POINTCLOUD_TRACKING_SLAM_MAP) {
pointcloud_point_cloud* points = pointcloud_get_points();
if (points) {
switch_to_camera();
disable_lighting();
glDisable(GL_DEPTH_TEST);
glColor4f(0.9, 0.95, 1.0, 0.6);
glEnable(GL_POINT_SPRITE_OES);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBindTexture(GL_TEXTURE_2D, point_texture);
glTexEnvi(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, GL_TRUE);
glPointParameterf(GL_POINT_SIZE_MAX, 64.0f);
glPointSize(32.0);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3,GL_FLOAT,0, (float *)points->points);
glDrawArrays(GL_POINTS,0, points->size);
glDisableClientState(GL_VERTEX_ARRAY);
glColor4f(1, 1, 1, 1);
glPointSize(1);
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glDisable(GL_POINT_SPRITE_OES);
pointcloud_destroy_point_cloud(points);
switch_to_ortho();
}
}
}
void WorkaroundATIPointSizeBug()
{
if (!globalRendering->atiHacks)
return;
GLboolean pointSpritesEnabled = false;
glGetBooleanv(GL_POINT_SPRITE, &pointSpritesEnabled);
if (pointSpritesEnabled)
return;
// force default params
constexpr GLfloat atten[3] = {1.0f, 0.0f, 0.0f};
glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, atten);
glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, 1.0f);
}
void SetupPointSprites()
{
#if TARGET_GL_OPENGL == 1
GLfloat sizes[2];
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, sizes);
glPointParameterf( GL_POINT_FADE_THRESHOLD_SIZE, 32.0f );
glPointParameterf( GL_POINT_SIZE_MIN, sizes[0] );
glPointParameterf( GL_POINT_SIZE_MAX, sizes[1] );
#elif TARGET_GL_OPENGLES == 1
GLfloat sizes[2];
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, sizes);
glPointParameterf( GL_POINT_SIZE_MIN, sizes[0] );
glPointParameterf( GL_POINT_SIZE_MAX, sizes[1] );
glTexEnvi(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, GL_TRUE);
#else
GLfloat sizes[2];
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, sizes);
glPointParameterf( GL_POINT_FADE_THRESHOLD_SIZE, 32.0f );
glPointParameterf( GL_POINT_SIZE_MIN, sizes[0] );
glPointParameterf( GL_POINT_SIZE_MAX, sizes[1] );
#endif
}
void OpenGLRasterizerState::apply()
{
if (changed_desc)
{
changed_desc = false;
desc.get_culled() ? glEnable(GL_CULL_FACE) : glDisable(GL_CULL_FACE);
desc.get_enable_line_antialiasing() ? glEnable(GL_LINE_SMOOTH) : glDisable(GL_LINE_SMOOTH);
switch (desc.get_face_cull_mode())
{
case cull_front:
glCullFace(GL_FRONT);
break;
case cull_back:
glCullFace(GL_BACK);
break;
case cull_front_and_back:
glCullFace(GL_FRONT_AND_BACK);
break;
}
if (glPolygonMode)
glPolygonMode(GL_FRONT_AND_BACK, OpenGL::to_enum(desc.get_face_fill_mode()));
desc.get_front_face() == face_counter_clockwise ? glFrontFace(GL_CCW) : glFrontFace(GL_CW);
// Note, enabled in GraphicContextProvider::set_scissor()
if (!desc.get_enable_scissor())
glDisable(GL_SCISSOR_TEST);
if (glPointSize)
glPointSize((GLfloat)desc.get_point_size());
if (glPointParameterf)
glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, (GLfloat)desc.get_point_fade_treshold_size());
desc.is_point_size() ? glEnable(GL_VERTEX_PROGRAM_POINT_SIZE) : glDisable(GL_VERTEX_PROGRAM_POINT_SIZE);
if(glPointParameterf)
{
switch (desc.get_point_sprite_origin())
{
case origin_upper_left:
glPointParameterf(GL_POINT_SPRITE_COORD_ORIGIN, GL_UPPER_LEFT);
break;
case origin_lower_left:
glPointParameterf(GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT);
break;
}
}
#ifndef __ANDROID__
desc.get_antialiased() ? glEnable(GL_POLYGON_SMOOTH) : glDisable(GL_POLYGON_SMOOTH);
desc.get_offset_point() ? glEnable(GL_POLYGON_OFFSET_POINT) : glDisable(GL_POLYGON_OFFSET_POINT);
desc.get_offset_line() ? glEnable(GL_POLYGON_OFFSET_LINE) : glDisable(GL_POLYGON_OFFSET_LINE);
#endif
desc.get_offset_fill() ? glEnable(GL_POLYGON_OFFSET_FILL) : glDisable(GL_POLYGON_OFFSET_FILL);
if (glPolygonOffset)
{
float factor,units;
desc.get_polygon_offset(factor, units);
glPolygonOffset(factor, units);
}
}
}
inline void VL_glPointParameterf( GLenum pname, GLfloat param)
{
glPointParameterf(pname,param);
}
void RfxState::SetGLEnvironment()
{
switch (state) {
case GL_CurrentColor: {
GLfloat *res = DecodeColor(value);
glColor3f(res[0], res[1], res[2]);
delete res;
}
case GL_SecondaryColor: {
GLfloat *res = DecodeColor(value);
glSecondaryColor3f(res[0], res[1], res[2]);
delete res;
break;
}
case GL_ClearColor: {
GLfloat *res = DecodeColor(value);
glClearColor(res[0], res[1], res[2], res[3]);
delete res;
break;
}
case GL_ClearDepth:
glClearDepth(value);
break;
case GL_ShadeModel:
glShadeModel((value == 1)? GL_FLAT : GL_SMOOTH);
break;
case GL_FrontFace:
glFrontFace((value == 1)? GL_CCW : GL_CW);
break;
case GL_CullMode:
if (value == 1) {
glDisable(GL_CULL_FACE);
} else {
glEnable(GL_CULL_FACE);
glCullFace((value == 2)? GL_FRONT :
((value == 3)? GL_BACK : GL_FRONT_AND_BACK));
}
break;
case GL_EdgeFlag:
glEdgeFlag(value);
break;
case GL_DepthNear:
case GL_DepthFar: {
GLfloat range[2];
glGetFloatv(GL_DEPTH_RANGE, range);
if (state == GL_DepthNear)
glDepthRange(value, range[1]);
else
glDepthRange(range[0], value);
break;
}
case GL_FogColor: {
glFogfv(GL_FOG_COLOR, DecodeColor(value));
break;
}
case GL_FogDensity:
glFogi(GL_FOG_DENSITY, value);
break;
case GL_FogStart:
glFogi(GL_FOG_START, value);
break;
case GL_FogEnd:
glFogi(GL_FOG_END, value);
break;
case GL_FogMode:
glEnable(GL_FOG);
switch ((GLint)value) {
case 1: // NONE
glDisable(GL_FOG);
break;
case 2: // LINEAR
glFogi(GL_FOG_MODE, GL_LINEAR);
break;
case 3: // EXP
glFogi(GL_FOG_MODE, GL_EXP);
break;
case 4: // EXP2
glFogi(GL_FOG_MODE, GL_EXP2);
break;
default: // UNKNOWN
break;
}
break;
case GL_PointSize:
glPointSize(value);
break;
case GL_PointMin:
glPointParameterf(GL_POINT_SIZE_MIN, value);
break;
case GL_PointMax:
glPointParameterf(GL_POINT_SIZE_MAX_ARB, value);
break;
case GL_PointSmooth:
GLEnableDisable(GL_POINT_SMOOTH);
break;
case GL_LineWidth:
glLineWidth(value);
break;
case GL_LineSmooth:
GLEnableDisable(GL_LINE_SMOOTH);
break;
case GL_PolyFrontMode:
glPolygonMode(GL_FRONT, (value == 1)? GL_POINT :
((value == 2)? GL_LINE : GL_FILL));
break;
case GL_PolyBackMode:
glPolygonMode(GL_BACK, (value == 1)? GL_POINT :
((value == 2)? GL_LINE : GL_FILL));
break;
case GL_PolySmooth:
GLEnableDisable(GL_POLYGON_SMOOTH);
break;
case GL_PolyOffsetFactor: {
GLfloat units;
glGetFloatv(GL_POLYGON_OFFSET_UNITS, &units);
glPolygonOffset(value, units);
break;
}
case GL_PolyOffsetUnits: {
GLfloat factor;
glGetFloatv(GL_POLYGON_OFFSET_FACTOR, &factor);
glPolygonOffset(factor, value);
break;
}
case GL_PolyOffsetPoint:
GLEnableDisable(GL_POLYGON_OFFSET_POINT);
break;
case GL_PolyOffsetLine:
GLEnableDisable(GL_POLYGON_OFFSET_LINE);
break;
case GL_PolyOffsetFill:
GLEnableDisable(GL_POLYGON_OFFSET_FILL);
break;
case GL_AlphaEnable:
GLEnableDisable(GL_ALPHA_TEST);
break;
case GL_AlphaFunction: {
GLfloat ref;
glGetFloatv(GL_ALPHA_TEST_REF, &ref);
glAlphaFunc(GLFunctionMode(), ref);
break;
}
case GL_AlphaReference: {
GLint func;
glGetIntegerv(GL_ALPHA_TEST_FUNC, &func);
glAlphaFunc(func, value);
break;
}
case GL_DepthEnable:
GLEnableDisable(GL_DEPTH_TEST);
break;
case GL_DepthFunction:
glDepthFunc(GLFunctionMode());
break;
case GL_BlendEnable:
GLEnableDisable(GL_BLEND);
break;
case GL_BlendColor: {
GLfloat *res = DecodeColor(value);
glBlendColor(res[0], res[1], res[2], res[3]);
delete res;
break;
}
case GL_BlendSourceRGB:
case GL_BlendDestRGB:
case GL_BlendSourceAlpha:
case GL_BlendDestAlpha: {
GLint srcdst[4];
glGetIntegerv(GL_BLEND_SRC_RGB, &srcdst[0]);
glGetIntegerv(GL_BLEND_DST_RGB, &srcdst[1]);
glGetIntegerv(GL_BLEND_SRC_ALPHA, &srcdst[2]);
glGetIntegerv(GL_BLEND_DST_ALPHA, &srcdst[3]);
glBlendFuncSeparate(
((state == GL_BlendSourceRGB)? GLColorMode() : srcdst[0]),
((state == GL_BlendDestRGB)? GLColorMode() : srcdst[1]),
((state == GL_BlendSourceAlpha)? GLColorMode() : srcdst[2]),
((state == GL_BlendDestAlpha)? GLColorMode() : srcdst[3]));
break;
}
case GL_BlendEquation:
switch ((GLint)value) {
case 1: // ADD
glBlendEquationSeparate(GL_FUNC_ADD, GL_FUNC_ADD);
break;
case 2: // SUBTRACT
glBlendEquationSeparate(GL_FUNC_SUBTRACT, GL_FUNC_SUBTRACT);
break;
case 3: // REV_SUBTRACT
glBlendEquationSeparate(GL_FUNC_REVERSE_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT);
break;
case 4: // MIN
glBlendEquationSeparate(GL_MIN, GL_MIN);
break;
case 5: // MAX
glBlendEquationSeparate(GL_MAX, GL_MAX);
break;
}
break;
case GL_WriteMaskColor: {
GLint val = (GLint)value;
GLboolean par[4];
par[3] = (val > 8)? GL_TRUE : GL_FALSE;
par[2] = (val -= (8 * par[3]) > 4)? GL_TRUE : GL_FALSE;
par[1] = (val -= (4 * par[2]) > 2)? GL_TRUE : GL_FALSE;
par[0] = (val -= (2 * par[1]) > 1)? GL_TRUE : GL_FALSE;
glColorMask(par[0], par[1], par[2], par[3]);
break;
}
case GL_WriteMaskDepth:
glDepthMask(value);
break;
case GL_VertexProgramTwoSideARB:
GLEnableDisable(GL_VERTEX_PROGRAM_TWO_SIDE_ARB);
break;
case GL_StencilEnable:
GLEnableDisable(GL_STENCIL_TEST);
break;
case GL_StencilFunction:
case GL_StencilValueMask:
case GL_StencilReference: {
GLint StFun[3];
glGetIntegerv(GL_STENCIL_FUNC, &StFun[0]);
glGetIntegerv(GL_STENCIL_VALUE_MASK, &StFun[1]);
glGetIntegerv(GL_STENCIL_REF, &StFun[2]);
glStencilFunc(
(state == GL_StencilFunction)? GLFunctionMode() : StFun[0],
(state == GL_StencilValueMask)? value : StFun[1],
(state == GL_StencilReference)? value : StFun[2]);
break;
}
case GL_StencilFail:
case GL_StencilPassDepthFail:
case GL_StencilPassDepthPass: {
GLint StOp[3];
glGetIntegerv(GL_STENCIL_FAIL, &StOp[0]);
glGetIntegerv(GL_STENCIL_PASS_DEPTH_FAIL, &StOp[1]);
glGetIntegerv(GL_STENCIL_PASS_DEPTH_PASS, &StOp[2]);
// thanks god at least these values are equivalent to OpenGL ones,
// no mapping needed.
glStencilOp(
(state == GL_StencilFail)? value : StOp[0],
(state == GL_StencilPassDepthFail)? value : StOp[1],
(state == GL_StencilPassDepthPass)? value : StOp[2]);
break;
}
case GL_WriteMaskStencil:
glStencilMask(value);
break;
case GL_ClearStencil:
glClearStencil(value);
break;
default:
// do nothing, unsupported state
break;
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL14_nglPointParameterf(JNIEnv *env, jclass clazz, jint pname, jfloat param, jlong function_pointer) {
glPointParameterfPROC glPointParameterf = (glPointParameterfPROC)((intptr_t)function_pointer);
glPointParameterf(pname, param);
}
enum piglit_result
piglit_display(void)
{
bool pass = true;
float val[4];
/* Material Property Bindings */
for (int s = 0; s < 2; ++s) {
for (int p = 0; p < 4; ++p) {
const GLenum pname[] = {GL_EMISSION, GL_AMBIENT,
GL_DIFFUSE, GL_SPECULAR};
random_vec4(val);
glMaterialfv(GL_FRONT + s, pname[p], val);
pass = check_prg_param(val, "state.material.%s.%s",
s ? "back" : "front",
enum2program(pname[p])) &&
pass;
/* The front material bindings are also accessible
* without ".front.".
*/
if (s == 0)
pass = check_prg_param(
val, "state.material.%s",
enum2program(pname[p])) &&
pass;
}
val[0] = DRAND();
val[1] = 0;
val[2] = 0;
val[3] = 1;
glMaterialf(GL_FRONT + s, GL_SHININESS, val[0]);
pass = check_prg_param(val, "state.material.%s.shininess",
s ? "back" : "front") && pass;
if (s == 0)
pass = check_prg_param(val,
"state.material.shininess") &&
pass;
}
/* Light Property Bindings */
int max_lights;
glGetIntegerv(GL_MAX_LIGHTS, &max_lights);
for (int l = 0; l < max_lights; ++l) {
for (int p = 0; p < 4; ++p) {
const GLenum pname[] = {GL_AMBIENT, GL_DIFFUSE,
GL_SPECULAR, GL_POSITION};
random_vec4(val);
glLightfv(GL_LIGHT0 + l, pname[p], val);
pass = check_prg_param(val, "state.light[%d].%s", l,
enum2program(pname[p])) &&
pass;
}
random_vec4(val);
glLightf(GL_LIGHT0 + l, GL_CONSTANT_ATTENUATION, val[0]);
glLightf(GL_LIGHT0 + l, GL_LINEAR_ATTENUATION, val[1]);
glLightf(GL_LIGHT0 + l, GL_QUADRATIC_ATTENUATION, val[2]);
glLightf(GL_LIGHT0 + l, GL_SPOT_EXPONENT, val[3]);
pass = check_prg_param(val, "state.light[%d].attenuation",
l) && pass;
random_vec4(val);
glLightfv(GL_LIGHT0 + l, GL_SPOT_DIRECTION, val);
glLightf(GL_LIGHT0 + l, GL_SPOT_CUTOFF, val[3]);
val[3] = cosf(val[3] / 180 * M_PI);
pass = check_prg_param(val, "state.light[%d].spot.direction",
l) && pass;
for (int c = 0; c < 3; ++c)
val[c] = DRAND();
val[3] = 1;
glLightfv(GL_LIGHT0 + l, GL_POSITION, val);
normalize(val);
val[2] += 1;
normalize(val);
pass = check_prg_param(val, "state.light[%d].half", l) &&
pass;
}
random_vec4(val);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, val);
pass = check_prg_param(val, "state.lightmodel.ambient") && pass;
for (int s = 0; s < 2; ++s) {
float scene_color[4];
for (int c = 0; c < 4; ++c)
scene_color[c] = val[c] = DRAND();
glMaterialfv(GL_FRONT + s, GL_AMBIENT, val);
for (int c = 0; c < 4; ++c)
scene_color[c] *= val[c] = DRAND();
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, val);
for (int c = 0; c < 4; ++c)
scene_color[c] += val[c] = DRAND();
glMaterialfv(GL_FRONT + s, GL_EMISSION, val);
/* Page 63 (77 of the PDF) of the OpenGL 2.0 spec says:
*
* "The value of A produced by lighting is the alpha
* value associated with d_{cm}."
*
* I'm not sure if this applies to the scene color, but both
* Mesa and the NVIDIA driver do this.
*/
random_vec4(val);
glMaterialfv(GL_FRONT + s, GL_DIFFUSE, val);
scene_color[3] = val[3];
pass = check_prg_param(scene_color,
"state.lightmodel.%s.scenecolor",
s ? "back" : "front") && pass;
if (s == 0)
pass = check_prg_param(
scene_color,
"state.lightmodel.scenecolor") && pass;
}
for (int s = 0; s < 2; ++s) {
for (int l = 0; l < max_lights; ++l) {
const GLenum pname[] = {GL_AMBIENT, GL_DIFFUSE,
GL_SPECULAR};
for (int p = 0; p < 3; ++p) {
float light_product[4];
for (int c = 0; c < 4; ++c)
light_product[c] = val[c] = DRAND();
glLightfv(GL_LIGHT0 + l, pname[p], val);
for (int c = 0; c < 4; ++c)
light_product[c] *= val[c] = DRAND();
glMaterialfv(GL_FRONT + s, pname[p], val);
/* XXX: I have no Idea where the spec says the
* alpha value of the light product is the
* material's alpha value, but both Mesa and
* the NVIDIA driver do this.
*/
light_product[3] = val[3];
pass = check_prg_param(
light_product,
"state.lightprod[%d].%s.%s", l,
s ? "back" : "front",
enum2program(pname[p])) &&
pass;
if (s == 0)
pass = check_prg_param(
light_product,
"state.lightprod[%d]."
"%s",
l,
enum2program(
pname[p])) &&
pass;
}
}
}
/* Texture Coordinate Generation Property Bindings */
int max_texture_coords;
glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);
for (int t = 0; t < max_texture_coords; ++t) {
const GLenum coord[] = {GL_S, GL_T, GL_R, GL_Q};
glActiveTexture(GL_TEXTURE0 + t);
for (int co = 0; co < 4; ++co) {
const GLenum plane[] = {GL_EYE_PLANE,
GL_OBJECT_PLANE};
const char *plane_name[] = {"eye", "object"};
for (int pl = 0; pl < 2; ++pl) {
random_vec4(val);
glTexGenfv(coord[co], plane[pl], val);
pass = check_prg_param(
val, "state.texgen[%d].%s.%s",
t, plane_name[pl],
enum2program(coord[co])) &&
pass;
if (t == 0)
pass = check_prg_param(
val,
"state.texgen.%s.%s",
plane_name[pl],
enum2program(
coord[co])) &&
pass;
}
}
}
/* Fog Property Bindings */
random_vec4(val);
glFogfv(GL_FOG_COLOR, val);
pass = check_prg_param(val, "state.fog.color") && pass;
random_vec4(val);
glFogf(GL_FOG_DENSITY, val[0]);
glFogf(GL_FOG_START, val[1]);
glFogf(GL_FOG_END, val[2]);
val[3] = 1 / (val[2] - val[1]);
pass = check_prg_param(val, "state.fog.params") && pass;
/* Clip Plane Property Bindings */
int max_clip_planes;
glGetIntegerv(GL_MAX_CLIP_PLANES, &max_clip_planes);
for (int cp = 0; cp < max_clip_planes; ++cp) {
double vald[4];
for (int c = 0; c < 4; ++c)
vald[c] = val[c] = DRAND();
glClipPlane(GL_CLIP_PLANE0 + cp, vald);
pass = check_prg_param(val, "state.clip[%d].plane", cp) &&
pass;
}
/* Point Property Bindings */
random_vec4(val);
glPointSize(val[0]);
glPointParameterf(GL_POINT_SIZE_MIN, val[1]);
glPointParameterf(GL_POINT_SIZE_MAX, val[2]);
glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, val[3]);
pass = check_prg_param(val, "state.point.size") && pass;
random_vec4(val);
val[3] = 1;
glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, val);
pass = check_prg_param(&val[0], "state.point.attenuation") && pass;
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL14C_glPointParameterf(JNIEnv *__env, jclass clazz, jint pname, jfloat param) {
glPointParameterfPROC glPointParameterf = (glPointParameterfPROC)tlsGetFunction(428);
UNUSED_PARAM(clazz)
glPointParameterf(pname, param);
}
void glPointParameterfLogged(GLenum pname, GLfloat param) {
printf("glPointParameterf(%s, %.2f)\n", GLEnumName(pname), param);
glPointParameterf(pname, param);
}
void drawPoint(float x, float y, float z, float scale, float mx, float my, float mz, Image *image)
{
UNREFERENCED_PARAMETER(image);
UNREFERENCED_PARAMETER(scale);
glPushMatrix();
float distance;
//glLoadIdentity();
//glTranslatef(x,y,z);
glTranslatef(x-0.5,y-0.5,z-0.5);
distance = sqrt((mx-x)*(mx-x)+(my-y)*(my-y)+(mz-z)*(mz-z));
//glPointSize(100000/(distance*distance));
glPointParameterf(GL_POINT_SIZE_MAX, 1000.0f);
glEnable(GL_POINT_SMOOTH);
glPointSize(64);
//glUseProgram(0);
//glRotatef(180-angle,0,0,1);
//glBindTexture(GL_TEXTURE_2D, objectID);
glEnable(GL_POINT_SPRITE_ARB);
glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE);
float distiterator = 0;
float range = 0.35f;
int type = 0;
glBegin(GL_POINTS);
glDisable(GL_TEXTURE_2D);
//glBegin(GL_TRIANGLE_STRIP);
if (distance < 20.0f)
{
for (distiterator = distance/5; distiterator < distance; distiterator = distiterator + distance/5)
{
if (type == 0)
{
range = 0.5f;
if (distiterator > 1.0){
glVertex3f(range/distiterator, range/distiterator, -range/distiterator);
glVertex3f(-range/distiterator, -range/distiterator, -range/distiterator);
glVertex3f(-range/distiterator, range/distiterator, -range/distiterator);
glVertex3f(range/distiterator, -range/distiterator, -range/distiterator);
glVertex3f(range/distiterator, range/distiterator, range/distiterator);
glVertex3f(-range/distiterator, -range/distiterator, range/distiterator);
glVertex3f(-range/distiterator, range/distiterator, range/distiterator);
glVertex3f(range/distiterator, -range/distiterator, range/distiterator);
type = 1;}
}
else
{
//glVertex3f(0.0f/distiterator, 0.0f/distiterator, 0.0f/distiterator);
range = 0.707f;
if (distiterator > 1.0){
glVertex3f(-range/distiterator, 0/distiterator, 0.0/distiterator);
glVertex3f(range/distiterator, 0/distiterator, 0.0/distiterator);
glVertex3f(0/distiterator, range/distiterator, 0.0f/distiterator);
glVertex3f(0/distiterator, -range/distiterator, 0.0f/distiterator);
glVertex3f(0/distiterator, 0/distiterator, range/distiterator);
glVertex3f(0/distiterator, 0/distiterator, -range/distiterator);
type = 0;}
}
}
}
else{
glVertex3f(0, 0, 0);
}
//glDrawPixels(100, 100, GL_RGB, GL_UNSIGNED_BYTE, image->pixels);
glEnd();
glPopMatrix();
}
/* KJA: Particles seemed to be slowing things down; They were filling a lot of transparent pixels,
and that's pretty expensive. So I tried this version that does GL_POINTS instead.*/
void R_DrawParticles (void)
{
particle_t *p, *kill;
float grav;
int i;
float time2, time3;
float time1;
float dvel;
float frametime;
frametime = cl.time - cl.oldtime;
time3 = frametime * 15;
time2 = frametime * 10; // 15;
time1 = frametime * 5;
grav = frametime * sv_gravity.value * 0.05;
dvel = 4*frametime;
for ( ;; )
{
kill = active_particles;
if (kill && kill->die < cl.time)
{
active_particles = kill->next;
kill->next = free_particles;
free_particles = kill;
continue;
}
break;
}
/* point parameters setup. This seems to give a pretty good approximation of
the original glquake particles */
static const GLfloat pointSize = 10;
static const GLfloat pointSizeMin = 2;
static const GLfloat pointSizeMax = 20;
static const GLfloat pointAttenuationCoefficients[3] = { 0, 0, 0.01 };
glPointSize(pointSize);
glEnable(GL_POINT_SMOOTH);
glPointParameterf(GL_POINT_SIZE_MIN, pointSizeMin);
glPointParameterf(GL_POINT_SIZE_MAX, pointSizeMax);
glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, pointAttenuationCoefficients);
// have to disable texturing; otherwise point color does not appear!
glDisable(GL_TEXTURE_2D);
glEnableClientState(GL_VERTEX_ARRAY);
GLfloat partVerts[340*3];
glVertexPointer(3, GL_FLOAT, sizeof(GLfloat)*3, partVerts);
GLfloat * verts = partVerts;
GLubyte partColors[(sizeof(partVerts)/sizeof(GLfloat)/3)*4];
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(4, GL_UNSIGNED_BYTE, 0, partColors);
GLubyte * colors = partColors;
for (p = active_particles; p ; p=p->next)
{
for ( ;; )
{
kill = p->next;
if (kill && kill->die < cl.time)
{
p->next = kill->next;
kill->next = free_particles;
free_particles = kill;
continue;
}
break;
}
byte * pcolor = (byte *)&d_8to24table[(int)p->color];
*colors++ = pcolor[0]; *colors++ = pcolor[1]; *colors++ = pcolor[2]; *colors++ = 255;
*verts++ = p->org[0]; *verts++ = p->org[1]; *verts++ = p->org[2];
if (verts - partVerts >= sizeof(partVerts)/sizeof(GLfloat) - 3*sizeof(GLfloat))
{
glDrawArrays(GL_POINTS, 0, (verts-partVerts)/3);
verts = partVerts;
colors = partColors;
}
p->org[0] += p->vel[0]*frametime;
p->org[1] += p->vel[1]*frametime;
p->org[2] += p->vel[2]*frametime;
switch (p->type)
{
case pt_static:
break;
case pt_fire:
p->ramp += time1;
if (p->ramp >= 6)
p->die = -1;
else
p->color = ramp3[(int)p->ramp];
p->vel[2] += grav;
break;
case pt_explode:
p->ramp += time2;
if (p->ramp >=8)
p->die = -1;
else
p->color = ramp1[(int)p->ramp];
for (i=0 ; i<3 ; i++)
p->vel[i] += p->vel[i]*dvel;
p->vel[2] -= grav;
break;
case pt_explode2:
p->ramp += time3;
if (p->ramp >=8)
p->die = -1;
else
p->color = ramp2[(int)p->ramp];
for (i=0 ; i<3 ; i++)
p->vel[i] -= p->vel[i]*frametime;
p->vel[2] -= grav;
break;
case pt_blob:
for (i=0 ; i<3 ; i++)
p->vel[i] += p->vel[i]*dvel;
p->vel[2] -= grav;
break;
case pt_blob2:
for (i=0 ; i<2 ; i++)
p->vel[i] -= p->vel[i]*dvel;
p->vel[2] -= grav;
break;
case pt_grav:
break;
case pt_slowgrav:
p->vel[2] -= grav;
break;
}
}
if (verts > partVerts)
{
glDrawArrays(GL_POINTS, 0, (verts-partVerts)/3);
}
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_POINT_SMOOTH);
glEnable(GL_TEXTURE_2D);
}
void CParticle::Render()
{
int hr = 0;
// set up projection matrix in 3d pipeline
float temp[16]={0};
float w, h;
glGetFloatv(GL_VIEWPORT, temp); // get viewport to set the screen width and height.
w = temp[2];
h = temp[3];
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrthof( 0.F, w
, h, 0.F
, 0.F, 1.F);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
hr = glGetError();
hr = glGetError();
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m_TexID);
glEnable(GL_BLEND);
glDisable(GL_CULL_FACE);
//glBlendFunc(GL_ONE, GL_ONE);
glBlendFunc(GL_SRC_ALPHA, GL_DST_ALPHA);
//Setup point sprites coordinate generation
glEnable(GL_POINT_SPRITE_OES);
glTexEnvi(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, GL_TRUE);
glPointParameterf ( GL_POINT_SIZE_MAX , 135);
glPointSize(24);
char* pVtx = (char*)m_Ptc;
glEnableClientState(GL_VERTEX_ARRAY); glVertexPointer(2, GL_FLOAT, sizeof(CParticle::Tptc), pVtx); pVtx += sizeof(Tvector2) * 2;
glEnableClientState(GL_COLOR_ARRAY); glColorPointer (4, GL_FLOAT, sizeof(CParticle::Tptc), pVtx);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glDrawArrays(GL_POINTS, 0, m_PtcN);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glTexEnvi(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, GL_FALSE);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisable(GL_POINT_SPRITE_OES);
glDisable(GL_BLEND);
glColor4f(1, 1, 1, 1);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
