cvar_t r_shadow_bouncegrid_static_spacing = {CVAR_SAVE, "r_shadow_bouncegrid_static_spacing", "64", "unit size of bouncegrid pixel when in static mode"};
cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "0", "brightness of corona flare effects around certain lights, 0 disables corona effects"};
cvar_t r_coronas_occlusionsizescale = {CVAR_SAVE, "r_coronas_occlusionsizescale", "0.1", "size of light source for corona occlusion checksum the proportion of hidden pixels controls corona intensity"};
-cvar_t r_coronas_occlusionquery = {CVAR_SAVE, "r_coronas_occlusionquery", "0", "use GL_ARB_occlusion_query extension if supported (fades coronas according to visibility) - bad performance (synchronous rendering) - worse on multi-gpu!"};
+cvar_t r_coronas_occlusionquery = {CVAR_SAVE, "r_coronas_occlusionquery", "0", "fades coronas according to visibility"};
cvar_t gl_flashblend = {CVAR_SAVE, "gl_flashblend", "0", "render bright coronas for dynamic lights instead of actual lighting, fast but ugly"};
cvar_t r_editlights = {0, "r_editlights", "0", "enables .rtlights file editing mode"};
cvar_t r_editlights_cursordistance = {0, "r_editlights_cursordistance", "1024", "maximum distance of cursor from eye"};
pixels[y][x][3] = 255;
}
}
- r_shadow_lightcorona = R_SkinFrame_LoadInternalBGRA("lightcorona", TEXF_FORCELINEAR, &pixels[0][0][0], 32, 32, false);
+ r_shadow_lightcorona = R_SkinFrame_LoadInternalBGRA("lightcorona", TEXF_FORCELINEAR, &pixels[0][0][0], 32, 32, 0, 0, 0, false);
}
static unsigned int R_Shadow_MakeTextures_SamplePoint(float x, float y, float z)
VectorMultiply(specularcolor, rsurface.rtlight->currentcolor, specularcolor);
if (VectorLength2(ambientcolor) + VectorLength2(diffusecolor) + VectorLength2(specularcolor) < (1.0f / 1048576.0f))
return;
- negated = (rsurface.rtlight->currentcolor[0] + rsurface.rtlight->currentcolor[1] + rsurface.rtlight->currentcolor[2] < 0) && vid.support.ext_blend_subtract;
+ negated = (rsurface.rtlight->currentcolor[0] + rsurface.rtlight->currentcolor[1] + rsurface.rtlight->currentcolor[2] < 0);
if(negated)
{
VectorNegate(ambientcolor, ambientcolor);
{
float zdist;
vec3_t centerorigin;
-#if defined(GL_SAMPLES_PASSED_ARB) && !defined(USE_GLES2)
+#ifndef USE_GLES2
float vertex3f[12];
#endif
// if it's too close, skip it
{
case RENDERPATH_GL32:
case RENDERPATH_GLES2:
-#if defined(GL_SAMPLES_PASSED_ARB) && !defined(USE_GLES2)
+#ifndef USE_GLES2
CHECKGLERROR
// NOTE: GL_DEPTH_TEST must be enabled or ATI won't count samples, so use GL_DepthFunc instead
- qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_allpixels);
+ qglBeginQuery(GL_SAMPLES_PASSED, rtlight->corona_queryindex_allpixels);
GL_DepthFunc(GL_ALWAYS);
R_CalcSprite_Vertex3f(vertex3f, centerorigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale);
R_Mesh_PrepareVertices_Vertex3f(4, vertex3f, NULL, 0);
R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
- qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
+ qglEndQuery(GL_SAMPLES_PASSED);
GL_DepthFunc(GL_LEQUAL);
- qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_visiblepixels);
+ qglBeginQuery(GL_SAMPLES_PASSED, rtlight->corona_queryindex_visiblepixels);
R_CalcSprite_Vertex3f(vertex3f, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale);
R_Mesh_PrepareVertices_Vertex3f(4, vertex3f, NULL, 0);
R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
- qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
+ qglEndQuery(GL_SAMPLES_PASSED);
CHECKGLERROR
#endif
break;
{
vec3_t color;
unsigned int occlude = 0;
- GLint allpixels = 0, visiblepixels = 0;
// now we have to check the query result
if (rtlight->corona_queryindex_visiblepixels)
{
case RENDERPATH_GL32:
case RENDERPATH_GLES2:
-#if defined(GL_SAMPLES_PASSED_ARB) && !defined(USE_GLES2)
- // See if we can use the GPU-side method to prevent implicit sync
- if (vid.support.arb_query_buffer_object) {
+#ifndef USE_GLES2
+ // store the pixel counts into a uniform buffer for the shader to
+ // use - we'll never know the results on the cpu without
+ // synchronizing and we don't want that
#define BUFFER_OFFSET(i) ((GLint *)((unsigned char*)NULL + (i)))
- if (!r_shadow_occlusion_buf) {
- qglGenBuffers(1, &r_shadow_occlusion_buf);
- qglBindBuffer(GL_QUERY_BUFFER_ARB, r_shadow_occlusion_buf);
- qglBufferData(GL_QUERY_BUFFER_ARB, 8, NULL, GL_DYNAMIC_COPY);
- } else {
- qglBindBuffer(GL_QUERY_BUFFER_ARB, r_shadow_occlusion_buf);
- }
- qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, BUFFER_OFFSET(0));
- qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, BUFFER_OFFSET(4));
- qglBindBufferBase(GL_UNIFORM_BUFFER, 0, r_shadow_occlusion_buf);
- occlude = MATERIALFLAG_OCCLUDE;
- cscale *= rtlight->corona_visibility;
- CHECKGLERROR
- break;
+ if (!r_shadow_occlusion_buf) {
+ qglGenBuffers(1, &r_shadow_occlusion_buf);
+ qglBindBuffer(GL_QUERY_BUFFER, r_shadow_occlusion_buf);
+ qglBufferData(GL_QUERY_BUFFER, 8, NULL, GL_DYNAMIC_COPY);
+ } else {
+ qglBindBuffer(GL_QUERY_BUFFER, r_shadow_occlusion_buf);
}
- CHECKGLERROR
- qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, &visiblepixels);
- qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, &allpixels);
- if (visiblepixels < 1 || allpixels < 1)
- return;
- rtlight->corona_visibility *= bound(0, (float)visiblepixels / (float)allpixels, 1);
+ qglGetQueryObjectiv(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT, BUFFER_OFFSET(0));
+ qglGetQueryObjectiv(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT, BUFFER_OFFSET(4));
+ qglBindBufferBase(GL_UNIFORM_BUFFER, 0, r_shadow_occlusion_buf);
+ occlude = MATERIALFLAG_OCCLUDE;
cscale *= rtlight->corona_visibility;
CHECKGLERROR
break;
if (VectorLength(color) > (1.0f / 256.0f))
{
float vertex3f[12];
- qboolean negated = (color[0] + color[1] + color[2] < 0) && vid.support.ext_blend_subtract;
+ qboolean negated = (color[0] + color[1] + color[2] < 0);
if(negated)
{
VectorNegate(color, color);
range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
- // check occlusion of coronas
- // use GL_ARB_occlusion_query if available
- // otherwise use raytraces
+ // check occlusion of coronas, using occlusion queries or raytraces
r_numqueries = 0;
switch (vid.renderpath)
{
case RENDERPATH_GL32:
case RENDERPATH_GLES2:
- usequery = vid.support.arb_occlusion_query && r_coronas_occlusionquery.integer;
-#if defined(GL_SAMPLES_PASSED_ARB) && !defined(USE_GLES2)
+ usequery = r_coronas_occlusionquery.integer;
+#ifndef USE_GLES2
if (usequery)
{
GL_ColorMask(0,0,0,0);
r_maxqueries = ((unsigned int)range + r_refdef.scene.numlights) * 4;
r_maxqueries = min(r_maxqueries, MAX_OCCLUSION_QUERIES);
CHECKGLERROR
- qglGenQueriesARB(r_maxqueries - i, r_queries + i);
+ qglGenQueries(r_maxqueries - i, r_queries + i);
CHECKGLERROR
}
RSurf_ActiveModelEntity(r_refdef.scene.worldentity, false, false, false);
projects / xonotic / darkplaces.git / blobdiff