void Pass::finalize() {
GL_SwitchTexUnit(GL_TEXTURE0_ARB);
//GL_TextureEnvMode(GL_REPLACE);
if(viewer)
GL_PopCamera();
//GL_Disable(GL_SCISSOR_TEST);
GL_DepthMask(GL_FALSE);
GL_Disable(GL_DEPTH_TEST);
GL_Disable(GL_FOG);
GL_Disable(GL_ALPHA_TEST);
if(gfx_postProcessing.integer) {
target->unmakeTarget();
} else {
glScreen->unmakeTarget();
}
GL_Disable(GL_LIGHTING);
for(lightCount-=1;lightCount>=0;lightCount--)
GL_Disable(GL_LIGHT0+lightCount);
Cvar_SetVarValue(&gfx_GLSLPass, 0);
glPopAttrib();
//if(gfx_postProcessing.integer && gfx_GLSLQuality.integer>1)
//glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboTargetBufferId);
#ifdef DEBUG
GLSL_catchLastError("Pass::finalize(): ");
#endif
}
void Pass2D::setup(GLRenderer *r) {
Pass::setup(r);
GL_Enable(GL_SCISSOR_TEST);
GL_Disable(GL_LIGHTING);
GL_Disable(GL_DEPTH_TEST);
GL_Disable(GL_CULL_FACE);
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glAlphaFunc(GL_GREATER, 0.01f);
Cvar_SetVarValue(&gfx_GLSLPass, 0);
GL_TexModulate(1.0);
GL_UseProgram(0);
GL_MatrixMode(GL_PROJECTION);
GL_PushMatrix();
glLoadIdentity();
glOrtho(0, Vid_GetScreenW(), Vid_GetScreenH(), 0, -1.0, 1.0);
GL_MatrixMode(GL_MODELVIEW);
GL_PushMatrix();
glLoadIdentity();
#ifdef DEBUG
GLSL_catchLastError("Pass2D::setup(): ");
#endif
}
/*
==============
R_ShadowBlend
Draws projection shadow(s)
from stenciled volume
==============
*/
void R_ShadowBlend (float shadowalpha)
{
const vec4_t color[4] = {
{0, 0, 0, shadowalpha},
{0, 0, 0, shadowalpha},
{0, 0, 0, shadowalpha},
{0, 0, 0, shadowalpha}
};
static const vec3_t verts[4] = {
{10, 100, 100},
{10, -100, 100},
{10, -100, -100},
{10, 100, -100}
};
static const uint32_t indices[6] = {
0, 1, 2, 0, 2, 3
};
if (r_shadows->value != 3)
return;
GL_PushMatrix(GL_MODELVIEW);
GL_LoadMatrix(GL_MODELVIEW, glState.axisRotation);
GL_Disable (GL_ALPHA_TEST);
GL_Enable (GL_BLEND);
GL_Disable (GL_DEPTH_TEST);
GL_DisableTexture(0);
GL_StencilFunc(GL_NOTEQUAL, 0, 255);
glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
GL_Enable(GL_STENCIL_TEST);
rb_vertex = rb_index = 0;
memcpy(indexArray, indices, sizeof(indices));
memcpy(vertexArray, verts, sizeof(vec3_t) * 4);
memcpy(colorArray, color, sizeof(vec4_t) * 4);
rb_index += 6;
rb_vertex += 4;
RB_RenderMeshGeneric (false);
GL_PopMatrix(GL_MODELVIEW);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_Disable (GL_BLEND);
GL_EnableTexture(0);
GL_Enable (GL_DEPTH_TEST);
GL_Disable(GL_STENCIL_TEST);
//GL_Enable (GL_ALPHA_TEST);
glColor4f(1,1,1,1);
}
/*
=============
R_DrawStretchImage
=============
*/
void R_DrawStretchImage (int32_t x, int32_t y, int32_t w, int32_t h, image_t *gl, float alpha)
{
const vec4_t color[4] = {
{1.0, 1.0, 1.0, alpha},
{1.0, 1.0, 1.0, alpha},
{1.0, 1.0, 1.0, alpha},
{1.0, 1.0, 1.0, alpha}
};
const vec3_t verts[4] = {
{x, y, 0},
{x+w, y, 0},
{x+w, y+h, 0},
{x, y+h, 0}
};
if (scrap_dirty)
Scrap_Upload ();
// Psychospaz's transparent console support
if (gl->has_alpha || alpha < 1.0)
{
GL_Disable (GL_ALPHA_TEST);
GL_TexEnv (GL_MODULATE);
GL_Enable (GL_BLEND);
GL_DepthMask (false);
}
GL_Bind (gl->texnum);
rb_vertex = rb_index = 0;
memcpy(&indexArray[rb_index], indices, sizeof(indices));
rb_index = 6;
Vector2Set(texCoordArray[0][0], gl->sl, gl->tl);
Vector2Set(texCoordArray[0][1], gl->sh, gl->tl);
Vector2Set(texCoordArray[0][2], gl->sh, gl->th);
Vector2Set(texCoordArray[0][3], gl->sl, gl->th);
memcpy(vertexArray, verts, sizeof(vec3_t) * 4);
memcpy(colorArray[rb_vertex], color, sizeof(vec4_t) * 4);
rb_vertex = 4;
RB_RenderMeshGeneric (false);
// Psychospaz's transparent console support
if (gl->has_alpha || alpha < 1.0)
{
GL_DepthMask (true);
GL_TexEnv (GL_REPLACE);
GL_Disable (GL_BLEND);
GL_Enable (GL_ALPHA_TEST);
}
}
void CascadedShadowPass::setup(GLRenderer *r) {
if(gfx_shadowDebug.integer)
target = glScreen;
else
target = shadowTarget;
Pass::setup(r);
if(!gfx_postProcessing.integer)
target->makeTarget();
saveGLSLQuality = gfx_GLSLQuality.integer;
saveGrass = gfx_grass.integer;
saveClouds = gfx_clouds.integer;
if(!canRender()) {
glScreen->makeTarget();
return;
}
Cvar_SetVarValue(&gfx_sky, 0);
Cvar_SetVarValue(&gfx_GLSLQuality, 1);
Cvar_SetVarValue(&gfx_grass, 0);
Cvar_SetVarValue(&gfx_clouds, 0);
if(shadowSplit==0)
updateSplitDist(shadowFrusta, scene_cam->nearclip, scene_cam->farclip);
if(gfx_shadowQuality.integer >= 2) {
GL_PopCamera();
GL_PushCSMCamera(viewer, scene_cam, shadowSplit); //CSM or UniformSM
}
if(!gfx_shadowDebug.integer)
((GLDepthRenderTarget*)target)->makeTargetLayer(shadowSplit);
shadowSplit++;
glClear(GL_DEPTH_BUFFER_BIT);
GL_Disable(GL_LIGHTING);
GL_Disable(GL_POLYGON_SMOOTH);
if(!gfx_shadowDebug.integer)
glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
glShadeModel(GL_FLAT);
//GL_CullFace(GL_FRONT);
layer2_enabled = terrain_layer2.integer;
layer3_enabled = terrain_layer3.integer;
Cvar_SetVarValue(&terrain_layer2, 0);
Cvar_SetVarValue(&terrain_layer3, 0);
}
/*
=============
R_DrawStretchImage
=============
*/
void R_DrawStretchImage (int32_t x, int32_t y, int32_t w, int32_t h, image_t *gl, float alpha)
{
int32_t i;
vec2_t texCoord[4], verts[4];
if (scrap_dirty)
Scrap_Upload ();
// Psychospaz's transparent console support
if (gl->has_alpha || alpha < 1.0)
{
GL_Disable (GL_ALPHA_TEST);
GL_TexEnv (GL_MODULATE);
GL_Enable (GL_BLEND);
GL_DepthMask (false);
}
GL_Bind (gl->texnum);
Vector2Set(texCoord[0], gl->sl, gl->tl);
Vector2Set(texCoord[1], gl->sh, gl->tl);
Vector2Set(texCoord[2], gl->sh, gl->th);
Vector2Set(texCoord[3], gl->sl, gl->th);
Vector2Set(verts[0], x, y);
Vector2Set(verts[1], x+w, y);
Vector2Set(verts[2], x+w, y+h);
Vector2Set(verts[3], x, y+h);
rb_vertex = rb_index = 0;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+1;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+3;
for (i=0; i<4; i++) {
VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
VA_SetElem4(colorArray[rb_vertex], 1.0, 1.0, 1.0, alpha);
rb_vertex++;
}
RB_RenderMeshGeneric (false);
// Psychospaz's transparent console support
if (gl->has_alpha || alpha < 1.0)
{
GL_DepthMask (true);
GL_TexEnv (GL_REPLACE);
GL_Disable (GL_BLEND);
GL_Enable (GL_ALPHA_TEST);
}
}
/*
======================
R_DrawFill
Fills a box of pixels with a
24-bit color w/ alpha
===========================
*/
void R_DrawFill (int32_t x, int32_t y, int32_t w, int32_t h, int32_t red, int32_t green, int32_t blue, int32_t alpha)
{
const vec_t r = min(red, 255)*DIV255;
const vec_t g = min(green, 255)*DIV255;
const vec_t b = min(blue, 255)*DIV255;
const vec_t a = max(min(alpha, 255), 1)*DIV255;
const vec4_t color[4] = {
{r, g, b, a},
{r, g, b, a},
{r, g, b, a},
{r, g, b, a}
};
const vec3_t verts[4] = {
{x, y, 0},
{x+w, y, 0},
{x+w, y+h, 0},
{x, y+h, 0}
};
// GL_DisableTexture (0);
GL_Disable (GL_ALPHA_TEST);
GL_TexEnv (GL_MODULATE);
GL_Enable (GL_BLEND);
GL_DepthMask (false);
GL_Bind (glMedia.whitetexture->texnum);
rb_vertex = rb_index = 0;
memcpy(&indexArray[rb_index], indices, sizeof(indices));
rb_index = 6;
memcpy(vertexArray, verts, sizeof(vec3_t) * 4);
memcpy(colorArray, color, sizeof(vec4_t) * 4);
rb_vertex = 4;
RB_RenderMeshGeneric (false);
GL_DepthMask (true);
GL_Disable (GL_BLEND);
GL_TexEnv (GL_REPLACE);
GL_Enable (GL_ALPHA_TEST);
// GL_EnableTexture (0);
}
/*
* =================
* R_Bloom_DrawEffect
* =================
*/
void R_Bloom_DrawEffect(void)
{
GL_Bind(r_bloomeffecttexture->texnum);
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_ONE, GL_ONE);
GL_TexEnv(GL_MODULATE);
rb_vertex = rb_index = 0;
indexArray[rb_index++] = rb_vertex + 0;
indexArray[rb_index++] = rb_vertex + 1;
indexArray[rb_index++] = rb_vertex + 2;
indexArray[rb_index++] = rb_vertex + 0;
indexArray[rb_index++] = rb_vertex + 2;
indexArray[rb_index++] = rb_vertex + 3;
VA_SetElem2(texCoordArray[0][rb_vertex], 0, sampleText_tch);
VA_SetElem3(vertexArray[rb_vertex], curView_x, curView_y, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
VA_SetElem2(texCoordArray[0][rb_vertex], 0, 0);
VA_SetElem3(vertexArray[rb_vertex], curView_x, curView_y + curView_height, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
VA_SetElem2(texCoordArray[0][rb_vertex], sampleText_tcw, 0);
VA_SetElem3(vertexArray[rb_vertex], curView_x + curView_width, curView_y + curView_height, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
VA_SetElem2(texCoordArray[0][rb_vertex], sampleText_tcw, sampleText_tch);
VA_SetElem3(vertexArray[rb_vertex], curView_x + curView_width, curView_y, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
RB_DrawArrays();
rb_vertex = rb_index = 0;
GL_Disable(GL_BLEND);
}
/*
=============
RB_DrawMeshTris
Re-draws a mesh in outline mode
=============
*/
void RB_DrawMeshTris (void)
{
int i, numTMUs = 0;
if (!r_showtris->value)
return;
if (r_showtris->value == 1)
GL_Disable(GL_DEPTH_TEST);
qglPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
for (i=0; i<glConfig.max_texunits; i++)
if (glState.activetmu[i])
{ numTMUs++; GL_DisableTexture (i); }
qglDisableClientState (GL_COLOR_ARRAY);
qglColor4f(1.0, 1.0, 1.0, 1.0);
RB_DrawArrays ();
qglEnableClientState (GL_COLOR_ARRAY);
for (i=0; i<numTMUs; i++)
GL_EnableTexture(i);
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
if (r_showtris->value == 1)
GL_Enable(GL_DEPTH_TEST);
}
/*
=============
RB_DrawMeshTris
Re-draws a mesh in outline mode
=============
*/
void RB_DrawMeshTris (GLenum polyMode, int numTMUs)
{
int i;
if (!r_showtris->value)
return;
if (r_showtris->value == 1)
GL_Disable(GL_DEPTH_TEST);
qglPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
for (i=0; i<numTMUs; i++)
GL_DisableTexture (i);
qglDisableClientState (GL_COLOR_ARRAY);
qglColor4f(1.0, 1.0, 1.0, 1.0);
RB_DrawArrays(polyMode);
qglEnableClientState (GL_COLOR_ARRAY);
for (i=0; i<numTMUs; i++)
GL_EnableTexture(i);
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
if (r_showtris->value == 1)
GL_Enable(GL_DEPTH_TEST);
}
void DepthPass::setup(GLRenderer *r) {
Pass::setup(r);
GL_Disable(GL_LIGHTING);
GL_Disable(GL_BLEND);
normalShader->use();
setCurrentShader(normalShader);
glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
saveClouds = gfx_clouds.integer;
saveGrass = gfx_grass.integer;
Cvar_SetVarValue(&gfx_sky, 0);
Cvar_SetVarValue(&gfx_clouds, 0);
Cvar_SetVarValue(&gfx_grass, 0);
Cvar_SetVarValue(&gfx_GLSLPass, 0);
}
/*
=================
R_SetBlendModeOff
=================
*/
void R_SetBlendModeOff (void)
{
if ( currententity->flags & RF_TRANSLUCENT )
{
GL_DepthMask (true);
GL_Disable(GL_BLEND);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
}
/*
================
R_FlushChars
================
*/
void R_FlushChars (void)
{
if (rb_vertex == 0 || rb_index == 0) // nothing to flush
return;
GL_Disable (GL_ALPHA_TEST);
GL_TexEnv (GL_MODULATE);
GL_Enable (GL_BLEND);
GL_DepthMask (false);
GL_Bind(draw_chars->texnum);
RB_RenderMeshGeneric (false);
char_count = 0;
GL_DepthMask (true);
GL_Disable (GL_BLEND);
GL_TexEnv (GL_REPLACE);
GL_Enable (GL_ALPHA_TEST);
}
/*
======================
R_DrawFill
Fills a box of pixels with a
24-bit color w/ alpha
===========================
*/
void R_DrawFill (int32_t x, int32_t y, int32_t w, int32_t h, int32_t red, int32_t green, int32_t blue, int32_t alpha)
{
int32_t i;
vec2_t verts[4];
red = min(red, 255);
green = min(green, 255);
blue = min(blue, 255);
alpha = max(min(alpha, 255), 1);
// GL_DisableTexture (0);
GL_Disable (GL_ALPHA_TEST);
GL_TexEnv (GL_MODULATE);
GL_Enable (GL_BLEND);
GL_DepthMask (false);
GL_Bind (glMedia.whitetexture->texnum);
Vector2Set(verts[0], x, y);
Vector2Set(verts[1], x+w, y);
Vector2Set(verts[2], x+w, y+h);
Vector2Set(verts[3], x, y+h);
rb_vertex = rb_index = 0;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+1;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+3;
for (i=0; i<4; i++) {
VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
VA_SetElem4(colorArray[rb_vertex], red*DIV255, green*DIV255, blue*DIV255, alpha*DIV255);
rb_vertex++;
}
RB_RenderMeshGeneric (false);
GL_DepthMask (true);
GL_Disable (GL_BLEND);
GL_TexEnv (GL_REPLACE);
GL_Enable (GL_ALPHA_TEST);
// GL_EnableTexture (0);
}
void DepthNormalPass::setup(GLRenderer *r) {
Pass::setup(r);
glClear(GL_COLOR_BUFFER_BIT);
GL_Disable(GL_LIGHTING);
GL_Disable(GL_BLEND);
normalShader->use();
setCurrentShader(normalShader);
saveClouds = gfx_clouds.integer;
saveGrass = gfx_grass.integer;
Cvar_SetVarValue(&gfx_sky, 0);
Cvar_SetVarValue(&gfx_clouds, 0);
Cvar_SetVarValue(&gfx_grass, 0);
Cvar_SetVarValue(&gfx_GLSLPass, 0);
}
/*
=================
R_Bloom_DownsampleView
=================
*/
void R_Bloom_DownsampleView( void )
{
GL_Disable( GL_BLEND );
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
//stepped downsample
if( r_screendownsamplingtexture_size )
{
int midsample_width = r_screendownsamplingtexture_size * sampleText_tcw;
int midsample_height = r_screendownsamplingtexture_size * sampleText_tch;
//copy the screen and draw resized
GL_Bind(r_bloomscreentexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, curView_x, vid.height - (curView_y + curView_height), curView_width, curView_height);
R_Bloom_Quad( 0, vid.height-midsample_height, midsample_width, midsample_height, screenText_tcw, screenText_tch );
//now copy into Downsampling (mid-sized) texture
GL_Bind(r_bloomdownsamplingtexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, midsample_width, midsample_height);
//now draw again in bloom size
qglColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
R_Bloom_Quad( 0, vid.height-sample_height, sample_width, sample_height, sampleText_tcw, sampleText_tch );
//now blend the big screen texture into the bloom generation space (hoping it adds some blur)
GL_Enable( GL_BLEND );
GL_BlendFunc(GL_ONE, GL_ONE);
qglColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
GL_Bind(r_bloomscreentexture->texnum);
R_Bloom_Quad( 0, vid.height-sample_height, sample_width, sample_height, screenText_tcw, screenText_tch );
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
GL_Disable( GL_BLEND );
} else { //downsample simple
GL_Bind(r_bloomscreentexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, curView_x, vid.height - (curView_y + curView_height), curView_width, curView_height);
R_Bloom_Quad( 0, vid.height-sample_height, sample_width, sample_height, screenText_tcw, screenText_tch );
}
}
void Pass2D::finalize() {
GL_MatrixMode(GL_PROJECTION);
GL_PopMatrix();
GL_MatrixMode(GL_MODELVIEW);
GL_PopMatrix();
GL_Disable(GL_SCISSOR_TEST);
GL_Enable(GL_CULL_FACE);
Pass::finalize();
}
void ShadowPass::setup(GLRenderer *r) {
if(!gfx_shadowDebug.integer)
target = shadowTarget;
else target = glScreen;
Pass::setup(r);
saveGLSLQuality = gfx_GLSLQuality.integer;
saveGrass = gfx_grass.integer;
if(!canRender())
return;
Cvar_SetVarValue(&gfx_sky, 0);
Cvar_SetVarValue(&gfx_GLSLQuality, 1);
Cvar_SetVarValue(&gfx_grass, 0);
/*updateSplitDist(shadowFrusta, scene_cam->nearclip, scene_cam->farclip);
shadowSplit = 0;
if(gfx_shadowQuality.integer != 3) {
GL_PopCamera();
GL_PushCSMCamera(viewer, scene_cam, shadowSplit); //CSM or UniformSM
}*/
GL_Disable(GL_LIGHTING);
GL_Disable(GL_POLYGON_SMOOTH);
if(!gfx_shadowDebug.integer)
glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
glShadeModel(GL_FLAT);
//GL_CullFace(GL_FRONT);
layer2_enabled = terrain_layer2.integer;
layer3_enabled = terrain_layer3.integer;
Cvar_SetVarValue(&terrain_layer2, 0);
Cvar_SetVarValue(&terrain_layer3, 0);
}
/*
=================
R_SetShellBlend
=================
*/
void R_SetShellBlend (qboolean toggle)
{
// shells only
if ( !(currententity->flags & RF_MASK_SHELL) )
return;
if (toggle) //turn on
{
// Psychospaz's envmapping
if (EnvMapShell())
{
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
GL_Bind(glMedia.spheremappic->texnum);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
}
else if (FlowingShell())
GL_Bind(glMedia.shelltexture->texnum);
else
GL_DisableTexture(0);
GL_ClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
GL_StencilFunc(GL_EQUAL, 1, 2);
glStencilOp(GL_KEEP,GL_KEEP,GL_INCR);
GL_Enable(GL_STENCIL_TEST);
shellFlowH = 0.25 * sin(r_newrefdef.time * 0.5 * M_PI);
shellFlowV = -(r_newrefdef.time / 2.0);
}
else // turn off
{
// Psychospaz's envmapping
if (EnvMapShell())
{
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
else if (FlowingShell())
{ /*nothing*/ }
else
GL_EnableTexture(0);
GL_Disable(GL_STENCIL_TEST);
}
}
void GL_RenderPath()
{
if ( navrep_render.integer != -1 )
{
vec4_t white = {1,1,1,1};
GL_DisableTexture(GL_TEXTURE0_ARB);
GL_Disable(GL_LIGHTING);
GL_SetColor(white);
glBegin(GL_LINES);
NavRep_Render();
glEnd();
}
}
void R_VR_EndFrame()
{
if (hmd && vr_enabled->value)
{
GL_Disable(GL_DEPTH_TEST);
//draw the HUD into specific views
R_VR_DrawHud();
// draw the HUD
R_BindFBO(vrState.offscreen);
GL_SetIdentity(GL_PROJECTION);
GL_SetIdentity(GL_MODELVIEW);
// tell the HMD renderer to draw composited scene
hmd->present((qboolean) (loadingScreen || (vr_aimmode->value == 0)));
}
}
/*
=================
R_DrawAliasModelBBox
=================
*/
void R_DrawAliasModelBBox (vec3_t bbox[8], entity_t *e)
{
if (!r_showbbox->value)
return;
if (e->flags & RF_WEAPONMODEL || e->flags & RF_VIEWERMODEL || e->flags & RF_BEAM || e->renderfx & RF2_CAMERAMODEL)
return;
GL_Disable (GL_CULL_FACE);
glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
GL_DisableTexture (0);
// Draw top and sides
glBegin(GL_TRIANGLE_STRIP);
glVertex3fv( bbox[2] );
glVertex3fv( bbox[1] );
glVertex3fv( bbox[0] );
glVertex3fv( bbox[1] );
glVertex3fv( bbox[4] );
glVertex3fv( bbox[5] );
glVertex3fv( bbox[1] );
glVertex3fv( bbox[7] );
glVertex3fv( bbox[3] );
glVertex3fv( bbox[2] );
glVertex3fv( bbox[7] );
glVertex3fv( bbox[6] );
glVertex3fv( bbox[2] );
glVertex3fv( bbox[4] );
glVertex3fv( bbox[0] );
glEnd();
// Draw bottom
glBegin(GL_TRIANGLE_STRIP);
glVertex3fv( bbox[4] );
glVertex3fv( bbox[6] );
glVertex3fv( bbox[7] );
glEnd();
GL_EnableTexture (0);
glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
GL_Enable (GL_CULL_FACE);
}
/*
=================
R_Bloom_DrawEffect
=================
*/
void R_Bloom_DrawEffect( refdef_t *fd )
{
GL_Bind(r_bloomeffecttexture->texnum);
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_ONE, GL_ONE);
qglColor4f(r_bloom_alpha->value + fd->bloomalpha /*bc mod*/, r_bloom_alpha->value + fd->bloomalpha /*bc mod*/, r_bloom_alpha->value + fd->bloomalpha /*bc mod*/, 1.0f);
GL_TexEnv(GL_MODULATE);
qglBegin(GL_QUADS);
qglTexCoord2f( 0, sampleText_tch );
qglVertex2f( curView_x, curView_y );
qglTexCoord2f( 0, 0 );
qglVertex2f( curView_x, curView_y + curView_height );
qglTexCoord2f( sampleText_tcw, 0 );
qglVertex2f( curView_x + curView_width, curView_y + curView_height );
qglTexCoord2f( sampleText_tcw, sampleText_tch );
qglVertex2f( curView_x + curView_width, curView_y );
qglEnd();
GL_Disable(GL_BLEND);
}
//the "main" of the renderer
void GLRenderer::render(float dt) {
camera_t *viewer, *lastviewer=NULL;
LightPass lightpasses[128];
int lightpass_count=0;
unsigned int num_lights = lightList.size();
unsigned int maxLightsPass = gfx_GLSLQuality.integer>1 ? 4 : MIN(gfx_maxlightsperpass.integer, glMaxLights);
renderer_meshculled=0;
renderer_octculled=0;
//// SORT SORTED LIST ////
sortedRenderList.sort(dist_sort); //depth sorting
sortedStaticRenderList.sort(dist_sort); //depth sorting
if(gfx_sortAll.integer)
unsortedRenderList.sort(rev_dist_sort);
//// ADD IN OCTREE ////
//octree list items always have to be near the start of the list
for(std::list<GLRenderListItem*>::iterator itr = --octreeList.end();
itr != octreeList.begin(); itr--) {
unsortedRenderList.push_front((*itr)->getRef());
}
unsortedRenderList.push_front((*octreeList.begin())->getRef());
//// PRERENDER ////
for(std::list<GLRenderListItem*>::iterator itr = unsortedRenderList.begin();
itr != unsortedRenderList.end(); itr++) {
(*itr)->prerenderStage(dt);
}
for(std::list<GLRenderListItem*>::iterator itr = sortedRenderList.begin();
itr != sortedRenderList.end(); itr++) {
(*itr)->prerenderStage(dt);
}
//// ADD LIGHTING PASSES ////
if(num_lights > maxLightsPass && gfx_multipassLighting.integer) {
for(unsigned int i=maxLightsPass; i<num_lights && lightpass_count<128; i+=maxLightsPass) {
lightpasses[lightpass_count] = LightPass();
lightpasses[lightpass_count].setLightStart(i);
addPass(&lightpasses[lightpass_count++]);
}
}
if(vid_multisample.integer)
GL_Enable(GL_MULTISAMPLE_ARB);
//// PERFORM ALL RENDER PASSES ////
for(std::list<Pass *>::iterator itr=passes.begin();itr!=passes.end();itr++) {
currentPass = *itr;
#ifdef DEBUG
if(gfx_shadowDebug.integer&& !currentPass->isShadowPass())
break;
#endif
//DEBUG ONLY:
if(gfx_flush.integer)
glClear(GL_COLOR_BUFFER_BIT);
GL_ResetColor();
//setup the pass
currentPass->setup(this);
if(currentPass->canRender()) {
viewer = currentPass->getViewer();
if(lastviewer != viewer) {
resetPass();
lastviewer = viewer;
}
if(gfx_GLSLQuality.integer > 1 && !currentPass->isShadowPass()) {
GL_SwitchTexUnit(GL_TEXTURE1_ARB);
shadowTarget->bindTexture(0);
GL_BuildShadowTextureMatrix(viewer);
}
//render the lights for this pass
unsigned int currentLight = 0;
for(std::list<GLRenderListLightItem*>::iterator itr = lightList.begin();
itr != lightList.end(); itr++) {
if(currentLight >= currentPass->getLightStart()+maxLightsPass)
break;
if((int)currentLight >= currentPass->getLightStart())
(*itr)->renderPass(this);
currentLight++;
}
//determine visibility and render
//unsorted items are drawn first
std::for_each(unsortedRenderList.begin(), unsortedRenderList.end(), RenderIfVisible(this));
if(!(viewer->flags & CAM_NO_WORLDOBJECTS))
std::for_each(unsortedStaticRenderList.begin(), unsortedStaticRenderList.end(), RenderIfVisible(this));
//sorted items are drawn next (translucent & additive stuff)
if(!(viewer->flags & CAM_NO_WORLDOBJECTS))
std::for_each(sortedStaticRenderList.begin(), sortedStaticRenderList.end(), RenderIfVisible(this));
std::for_each(sortedRenderList.begin(), sortedRenderList.end(), RenderIfVisible(this));
//effects last, as they always look better as overlays
//for nice effects, do this
if(gfx_niceEffects.integer && gfx_GLSLQuality.integer>=1 && gfx_postProcEnabled.integer) {
GL_BeginPostProcessingEffects();
std::for_each(effectsList.begin(), effectsList.end(), RenderIfVisible(this));
GL_EndPostProcessingEffects();
} else {
std::for_each(effectsList.begin(), effectsList.end(), RenderIfVisible(this));
}
#ifdef DEBUG
for(unsigned int i=0;i<bboxCount;i++) {
vec3_t bmin, bmax;
M_AddVec3(bboxes[i].min,bboxes[i].pos, bmin);
M_AddVec3(bboxes[i].max,bboxes[i].pos, bmax);
//Draw the box
GL_DrawBox(bmin, bmax);
}
#endif
if(gfx_GLSLQuality.integer > 1 && !currentPass->isShadowPass()) {
GL_SwitchTexUnit(GL_TEXTURE1_ARB);
shadowTarget->unbindTexture(0);
}
GL_RenderPath();
}
currentPass->finalize();
}
if(gfx_GLSLQuality.integer > 1 && gfx_postProcessing.integer && gfx_postProcEnabled.integer)
GL_DoPostProcessing();
if(vid_multisample.integer)
GL_Disable(GL_MULTISAMPLE_ARB);
#ifdef DEBUG
bboxCount=0;
#endif
//// RESET ////
//resetPass();
std::for_each(unsortedRenderList.begin(), unsortedRenderList.end(), std::mem_fun(&GLRenderListItem::reset));
std::for_each(sortedRenderList.begin(), sortedRenderList.end(), std::mem_fun(&GLRenderListItem::reset));
std::for_each(effectsList.begin(), effectsList.end(), std::mem_fun(&GLRenderListItem::reset));
//// CLEAR ////
passes.clear();
sortedRenderList.clear();
unsortedRenderList.clear();
effectsList.clear();
lightList.clear();
meshpool.clear();
spritepool.clear();
polypool.clear();
lightpool.clear();
//Console_DPrintf("Mesh Total: %d Culled: %d\n", renderer_meshcount, renderer_meshculled);
//Console_DPrintf("Oct Total: %d Culled: %d\n", oci, renderer_octculled);
renderer_meshcount=0;
}
/*
==================
GL_Setup2D
TODO: time is messed up
==================
*/
void GL_Setup2D (int time){
mat4_t projectionMatrix = {2.0f / backEnd.cropWidth, 0.0f, 0.0f, 0.0f, 0.0f, -2.0f / backEnd.cropHeight, 0.0f, 0.0f, 0.0f, 0.0f, -2.0f, 0.0f, -1.0f, 1.0f, -1.0f, 1.0f};
QGL_LogPrintf("---------- RB_Setup2D ----------\n");
backEnd.projection2D = true;
backEnd.time = time;
backEnd.floatTime = MS2SEC(Sys_Milliseconds());
backEnd.viewport.x = 0;
backEnd.viewport.y = 0;
backEnd.viewport.width = backEnd.cropWidth;
backEnd.viewport.height = backEnd.cropHeight;
backEnd.scissor.x = 0;
backEnd.scissor.y = 0;
backEnd.scissor.width = backEnd.cropWidth;
backEnd.scissor.height = backEnd.cropHeight;
backEnd.coordScale[0] = 1.0f / backEnd.viewport.width;
backEnd.coordScale[1] = 1.0f / backEnd.viewport.height;
backEnd.coordBias[0] = -backEnd.viewport.x * backEnd.coordScale[0];
backEnd.coordBias[1] = -backEnd.viewport.y * backEnd.coordScale[1];
backEnd.depthFilling = false;
backEnd.debugRendering = false;
backEnd.currentColorCaptured = SORT_BAD;
backEnd.currentDepthCaptured = false;
// Set up the viewport
GL_Viewport(backEnd.viewport);
// Set up the scissor
GL_Scissor(backEnd.viewport);
// Set up the depth bounds
if (glConfig.depthBoundsTestAvailable)
GL_DepthBounds(0.0f, 1.0f);
// Set the projection matrix
GL_LoadMatrix(GL_PROJECTION, projectionMatrix);
// Set the modelview matrix
GL_LoadIdentity(GL_MODELVIEW);
// Set the GL state
GL_PolygonMode(GL_FILL);
GL_Disable(GL_CULL_FACE);
GL_Disable(GL_POLYGON_OFFSET_FILL);
GL_Disable(GL_BLEND);
GL_Disable(GL_ALPHA_TEST);
GL_Disable(GL_DEPTH_TEST);
GL_Disable(GL_STENCIL_TEST);
GL_DepthRange(0.0f, 1.0f);
GL_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
GL_DepthMask(GL_FALSE);
GL_StencilMask(255);
// Disable the clip plane
qglDisable(GL_CLIP_PLANE0);
// Disable multisampling if available
if (glConfig.multiSamples > 1)
qglDisable(GL_MULTISAMPLE);
// Check for errors
if (!r_ignoreGLErrors->integerValue)
GL_CheckForErrors();
QGL_LogPrintf("--------------------\n");
}
/*
=================
R_DrawSpriteModel
=================
*/
void R_DrawSpriteModel (entity_t *e)
{
float alpha = 1.0f;
vec2_t texCoord[4];
vec3_t point[4];
dsprite_t *psprite;
dsprframe_t *frame;
float *up, *right;
int i;
// don't even bother culling, because it's just a single
// polygon without a surface cache
psprite = (dsprite_t *)currentmodel->extradata;
e->frame %= psprite->numframes;
frame = &psprite->frames[e->frame];
if (!frame) return;
c_alias_polys += 2;
// normal sprite
up = vup;
right = vright;
if (e->flags & RF_TRANSLUCENT)
alpha = e->alpha;
R_SetVertexRGBScale (true);
// Psychospaz's additive transparency
if ((currententity->flags & RF_TRANS_ADDITIVE) && (alpha != 1.0f))
{
GL_Enable (GL_BLEND);
GL_TexEnv (GL_MODULATE);
GL_Disable (GL_ALPHA_TEST);
GL_DepthMask (false);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE);
}
else
{
GL_TexEnv (GL_MODULATE);
if (alpha == 1.0f) {
GL_Enable (GL_ALPHA_TEST);
GL_DepthMask (true);
}
else {
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_DepthMask (false);
GL_Enable (GL_BLEND);
GL_Disable (GL_ALPHA_TEST);
}
}
GL_Bind(currentmodel->skins[0][e->frame]->texnum);
Vector2Set(texCoord[0], 0, 1);
Vector2Set(texCoord[1], 0, 0);
Vector2Set(texCoord[2], 1, 0);
Vector2Set(texCoord[3], 1, 1);
VectorMA (e->origin, -frame->origin_y, up, point[0]);
VectorMA (point[0], -frame->origin_x, right, point[0]);
VectorMA (e->origin, frame->height - frame->origin_y, up, point[1]);
VectorMA (point[1], -frame->origin_x, right, point[1]);
VectorMA (e->origin, frame->height - frame->origin_y, up, point[2]);
VectorMA (point[2], frame->width - frame->origin_x, right, point[2]);
VectorMA (e->origin, -frame->origin_y, up, point[3]);
VectorMA (point[3], frame->width - frame->origin_x, right, point[3]);
rb_vertex = rb_index = 0;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+1;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+3;
for (i=0; i<4; i++) {
VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
VA_SetElem3(vertexArray[rb_vertex], point[i][0], point[i][1], point[i][2]);
VA_SetElem4(colorArray[rb_vertex], 1.0f, 1.0f, 1.0f, alpha);
rb_vertex++;
}
RB_DrawArrays ();
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_TexEnv (GL_REPLACE);
GL_DepthMask (true);
GL_Disable (GL_ALPHA_TEST);
GL_Disable (GL_BLEND);
R_SetVertexRGBScale (false);
RB_DrawMeshTris ();
rb_vertex = rb_index = 0;
}
void R_VR_DrawHud()
{
float fov = vr_hud_fov->value;
float depth = vr_hud_depth->value;
int numsegments = vr_hud_segments->value;
int index = 0;
vec_t mat[4][4], temp[4][4];
if (!vr_enabled->value)
return;
// enable alpha testing so only pixels that have alpha info get written out
// prevents black pixels from being rendered into the view
GL_Enable(GL_ALPHA_TEST);
GL_AlphaFunc(GL_GREATER, 0.0f);
// if hud transparency is enabled, enable blending
if (vr_hud_transparency->value)
{
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
// bind the texture
GL_MBind(0, hud.texture);
// disable this for the loading screens since they are not at 60fps
if ((vr_hud_bounce->value > 0) && !loadingScreen && ((int32_t) vr_aimmode->value > 0))
{
// load the quaternion directly into a rotation matrix
vec4_t q;
VR_GetOrientationEMAQuat(q);
q[2] = -q[2];
QuatToRotation(q, mat);
} else {
// identity matrix
TranslationMatrix(0,0,0,mat);
}
// set proper mode
// glEnableClientState (GL_TEXTURE_COORD_ARRAY);
// glEnableClientState (GL_VERTEX_ARRAY);
glDisableClientState (GL_COLOR_ARRAY);
// bind vertex buffer and set tex coord parameters
R_BindIVBO(&hudVBO,NULL,0);
glTexCoordPointer(2,GL_FLOAT,sizeof(vert_t),(void *)( sizeof(GL_FLOAT) * 3));
glVertexPointer(3,GL_FLOAT,sizeof(vert_t),NULL);
for (index = 0; index < 2; index++)
{
// bind the eye FBO
R_BindFBO(vrState.eyeFBO[index]);
// set the perspective matrix for that eye
R_PerspectiveScale(vrState.renderParams[index].projection, 0.24, 251.0);
// build the eye translation matrix
if (vr_autoipd->value)
{
TranslationMatrix(-vrState.renderParams[index].viewOffset[0], vrState.renderParams[index].viewOffset[1], vrState.renderParams[index].viewOffset[2], temp);
} else {
float viewOffset = (vr_ipd->value / 2000.0);
TranslationMatrix((-1 + index * 2) * -viewOffset, 0, 0, temp);
}
// load the view matrix
MatrixMultiply(temp, mat, temp);
GL_LoadMatrix(GL_MODELVIEW, temp);
// draw the hud for that eye
R_DrawIVBO(&hudVBO);
}
// teardown
R_ReleaseIVBO();
GL_MBind(0, 0);
glEnableClientState (GL_COLOR_ARRAY);
glTexCoordPointer (2, GL_FLOAT, sizeof(texCoordArray[0][0]), texCoordArray[0][0]);
glVertexPointer (3, GL_FLOAT, sizeof(vertexArray[0]), vertexArray[0]);
GL_Disable(GL_BLEND);
GL_Disable(GL_ALPHA_TEST);
}
void GlassViewer::draw(gcn::Graphics *g) {
sceneobj_t sc;
int x,y;
vec4_t rect;
if(isCulled(g))
return;
getAbsolutePosition(x, y);
gcn::Rectangle r = g->getCurrentClipArea();
//setup camera
Cam_DefaultCamera(&cam, r.width, r.height, 0.1, Cvar_GetValue("gfx_farclip"));
cam.fovx = fov;
cam.fog_near = cam.fog_far = 10000;
cam.x = x;
cam.y = Vid_GetScreenH()-y-mDimension.height;
cam.use_viewport = true;
Cam_CalcFovy(&cam);
//Cam_SetDistance(&cam, 1000);
M_CopyVec3(target, cam.viewaxis[AXIS_FORWARD]);
M_GetAxisFromForwardVec(cam.viewaxis[AXIS_FORWARD], cam.viewaxis);
M_CopyVec3(camPos, cam.origin);
cam.time = Host_Milliseconds()/1000.0f;
SET_VEC4(rect, 0, 0, r.width, r.height);
if(mOpaque) {
g->setColor(getBackgroundColor());
g->fillRectangle(gcn::Rectangle(0,0,getWidth(),getHeight()));
}
Scene_Clear();
Scene_SetFrustum(&cam, rect);
if(model!=(residx_t)-1) {
CLEAR_SCENEOBJ(sc);
//SET_VEC3(cam.viewaxis[AXIS_FORWARD], target[0]-camPos[0], target[1]-camPos[1], target[2]-camPos[2]);
//M_Normalize(cam.viewaxis[AXIS_FORWARD]);
//M_GetAxisFromForwardVec(cam.viewaxis[AXIS_FORWARD], cam.viewaxis);
M_MultVec3(cam.viewaxis[AXIS_FORWARD], -distance, cam.origin);
M_AddVec3(cam.origin, camPos, cam.origin);
sc.model = model;
sc.skeleton = &skeleton;
sc.flags = SCENEOBJ_NEVER_CULL | SCENEOBJ_USE_AXIS;
SET_VEC3(sc.rimColor, 1.0, 1.0, 1.0);
if(animState.size() > 0) {
Geom_BeginPose(sc.skeleton, sc.model);
Geom_SetBoneAnim("", animState.c_str(), Host_Milliseconds(), Host_Milliseconds(), 0, 0);
Geom_EndPose();
}
M_CopyVec3(position, sc.pos);
sc.angle[0] = sc.angle[1] = 0;
sc.angle[2] = angle;
M_GetAxis(sc.angle[0], sc.angle[1], sc.angle[2], sc.axis);
if(mAutoRotate)
angle = int(angle + dAngle) % 360;
if(angle<0)
angle +=360;
Scene_AddObject(&sc);
}
if(!world) {
cam.fog_near = 9000;
cam.fog_far = 10000;
cam.flags |= CAM_NO_WORLD;
} else {
cam.flags &= ~CAM_NO_WORLD;
cam.fog_near = Cvar_GetValue("gfx_fog_near");
cam.fog_far = Cvar_GetValue("gfx_fog_far");
WO_RenderEmitters(cam.origin);
WL_RenderLights(cam.origin);
}
//FIXME: add post-processing with viewers
int old = gfx_postProcessing.integer;
Cvar_SetVarValue(&gfx_postProcessing, 0);
GL_EndFrame();
GL_Enable(GL_CULL_FACE);
Scene_Render(&cam, cam.origin, 0);
GL_Disable(GL_CULL_FACE);
GL_BeginFrame();
Cvar_SetVarValue(&gfx_postProcessing, old);
if(animState.size() > 0 && model != (residx_t)-1)
Geom_FreeSkeleton(&skeleton);
}
/*
==================
GL_Setup3D
TODO: time is messed up
==================
*/
void GL_Setup3D (int time){
double clipPlane[4];
QGL_LogPrintf("---------- RB_Setup3D ----------\n");
backEnd.projection2D = false;
backEnd.time = time;
backEnd.floatTime = MS2SEC(Sys_Milliseconds());
backEnd.viewport.x = backEnd.viewParms.viewport.x;
backEnd.viewport.y = backEnd.viewParms.viewport.y;
backEnd.viewport.width = backEnd.viewParms.viewport.width;
backEnd.viewport.height = backEnd.viewParms.viewport.height;
backEnd.scissor.x = backEnd.viewParms.scissor.x;
backEnd.scissor.y = backEnd.viewParms.scissor.y;
backEnd.scissor.width = backEnd.viewParms.scissor.width;
backEnd.scissor.height = backEnd.viewParms.scissor.height;
backEnd.coordScale[0] = 1.0f / backEnd.viewport.width;
backEnd.coordScale[1] = 1.0f / backEnd.viewport.height;
backEnd.coordBias[0] = -backEnd.viewport.x * backEnd.coordScale[0];
backEnd.coordBias[1] = -backEnd.viewport.y * backEnd.coordScale[1];
backEnd.depthFilling = false;
backEnd.debugRendering = false;
backEnd.currentColorCaptured = SORT_BAD;
backEnd.currentDepthCaptured = false;
// Set up the viewport
GL_Viewport(backEnd.viewport);
// Set up the scissor
GL_Scissor(backEnd.viewport);
// Set up the depth bounds
if (glConfig.depthBoundsTestAvailable)
GL_DepthBounds(0.0f, 1.0f);
// Set the projection matrix
GL_LoadMatrix(GL_PROJECTION, backEnd.viewParms.projectionMatrix);
// Set the modelview matrix
GL_LoadIdentity(GL_MODELVIEW);
// Set the GL state
GL_PolygonMode(GL_FILL);
GL_Disable(GL_CULL_FACE);
GL_Disable(GL_POLYGON_OFFSET_FILL);
GL_Disable(GL_BLEND);
GL_Disable(GL_ALPHA_TEST);
GL_Disable(GL_DEPTH_TEST);
GL_Disable(GL_STENCIL_TEST);
GL_DepthRange(0.0f, 1.0f);
GL_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
GL_DepthMask(GL_TRUE);
GL_StencilMask(255);
// Enable the clip plane if needed
if (backEnd.viewParms.viewType != VIEW_MIRROR)
qglDisable(GL_CLIP_PLANE0);
else {
clipPlane[0] = -DotProduct(backEnd.viewParms.axis[1], backEnd.viewParms.clipPlane.normal);
clipPlane[1] = DotProduct(backEnd.viewParms.axis[2], backEnd.viewParms.clipPlane.normal);
clipPlane[2] = -DotProduct(backEnd.viewParms.axis[0], backEnd.viewParms.clipPlane.normal);
clipPlane[3] = DotProduct(backEnd.viewParms.origin, backEnd.viewParms.clipPlane.normal) - backEnd.viewParms.clipPlane.dist;
qglEnable(GL_CLIP_PLANE0);
qglClipPlane(GL_CLIP_PLANE0, clipPlane);
}
// Enable multisampling if available
if (glConfig.multiSamples > 1)
qglEnable(GL_MULTISAMPLE);
// Clear the buffers
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglClearDepth(1.0f);
qglClearStencil(0);
if (backEnd.viewParms.primaryView)
qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
else
qglClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
// Check for errors
if (!r_ignoreGLErrors->integerValue)
GL_CheckForErrors();
QGL_LogPrintf("--------------------\n");
}
void Pass::setup(GLRenderer *) {
vec4_t ambient = { sunLight.ambient[0] * 0.8, sunLight.ambient[1] * 0.8, sunLight.ambient[2] * 0.95, 1 };
GLSL_reset();
shader = NULL;
lightCount = 0;
glPushAttrib(attrib_bits);
//GL_Enable(GL_SCISSOR_TEST);
GL_SwitchTexUnit(GL_TEXTURE0_ARB);
//defaults for pass
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
GL_Enable(GL_CULL_FACE);
GL_Enable(GL_ALPHA_TEST);
//glAlphaFunc(GL_GREATER, 0.0);
GL_ResetColor();
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
//enable the lights for this pass by default
if(allowLighting()) {
if(gfx_GLSLQuality.integer <= 1)
M_MultVec3(ambient, 1.5, ambient);
GL_Enable(GL_LIGHTING);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, true);
glShadeModel(GL_SMOOTH);
}
//GL_Enable(GL_NORMALIZE);
//framebuffer
if(gfx_postProcessing.integer) {
if(!target)
target = glScreen;
target->makeTarget();
} else {
glScreen->makeTarget();
}
//depth
GL_Enable(GL_DEPTH_TEST);
GL_DepthMask(depthMask);
GL_DepthFunc(depthFunc);
if(preclearDepth) {
glClearDepth(1.0);
glClear(GL_DEPTH_BUFFER_BIT);
}
if(viewer) {
vec4_t rect;
//FIXME: probably should be a data member for configurable pass "windows"
SET_VEC4(rect, 0, 0, viewer->width, viewer->height);
Scene_SetFrustum(viewer, rect);
Scene_BuildOccluderList(viewer);
if(gfx_debugCamera.integer>0) {
camera_t debugcam;
vec3_t back;
M_MultVec3(viewer->viewaxis[AXIS_FORWARD], -gfx_debugCamera.integer, back);
memcpy(&debugcam, viewer, sizeof(camera_t));
M_AddVec3(debugcam.origin, back, debugcam.origin);
GL_PushCamera(&debugcam);
} else {
GL_PushCamera(viewer);
//scene_cam = viewer;
}
//fog
if (viewer->fog_far > 0 && gfx_fog.integer)
{
vec4_t fog_color = { gfx_fogr.value, gfx_fogg.value, gfx_fogb.value, 0 };
GL_Enable(GL_FOG);
if(gfx_nicerFog.integer)
{
glFogf(GL_FOG_MODE, GL_EXP2);
glFogf(GL_FOG_DENSITY, 1.5 / viewer->fog_far); // Notaus: old value was fixed at 0.00072 and not appropriate for very foggy maps
}
else
{
glFogf(GL_FOG_MODE, GL_LINEAR);
}
glHint(GL_FOG_HINT, GL_NICEST);
if (viewer->fog_near > 0 && viewer->fog_far >= viewer->fog_near)
{
glFogf(GL_FOG_START, viewer->fog_near);
glFogf(GL_FOG_END, viewer->fog_far);
fog_near = viewer->fog_near;
fog_far = viewer->fog_far;
}
else
{
glFogf(GL_FOG_START, gfx_fog_near.value);
glFogf(GL_FOG_END, gfx_fog_far.value);
fog_near = gfx_fog_near.value;
fog_far = gfx_fog_far.value;
}
glFogfv(GL_FOG_COLOR, fog_color);
}
else if (gfx_fog.integer==0) {
GL_Enable(GL_FOG);
glFogf(GL_FOG_START, 90000);
glFogf(GL_FOG_END, 100000); //shaders make it better just to set this ridiculously far out
} else {
GL_Disable(GL_FOG);
}
} else {
GL_Disable(GL_FOG);
}
if(gfx_GLSL.integer)
Cvar_SetVarValue(&gfx_GLSLPass, 1);
else
GL_TexModulate(2.0);
#ifdef DEBUG
GLSL_catchLastError("Pass::setup()");
#endif
}