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fixing the lighting problem in stereo

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This commit is contained in:
samcake 2016-10-31 17:40:34 -07:00
parent 9adbb42a6c
commit 37b3c96131
3 changed files with 42 additions and 1 deletions
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3
libraries/gpu-gl/src/gpu/gl/GLBackend.h
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@ -30,7 +30,8 @@
#include "GLShared.h"
// Pick one from the 3: THis version is the most efficient as of now
// Different versions for the stereo drawcall
// Current preferred is "instanced" which draw the shape twice but instanced and rely on clipping plane to draw left/right side only
//#define GPU_STEREO_TECHNIQUE_DOUBLED_SIMPLE
//#define GPU_STEREO_TECHNIQUE_DOUBLED_SMARTER
#define GPU_STEREO_TECHNIQUE_INSTANCED

21
libraries/render-utils/src/deferred_light_limited.slv
View file

@ -33,9 +33,14 @@ void main(void) {
vec4 projected = gl_Position / gl_Position.w;
projected.xy = (projected.xy + 1.0) * 0.5;
#ifdef GPU_TRANSFORM_IS_STEREO
#ifdef GPU_TRANSFORM_STEREO_SPLIT_SCREEN
#else
if (cam_isStereo()) {
projected.x = 0.5 * (projected.x + cam_getStereoSide());
}
#endif
#endif
_texCoord0 = vec4(projected.xy, 0.0, 1.0) * gl_Position.w;
} else {
const float depth = -1.0; //Draw at near plane
@ -47,11 +52,27 @@ void main(void) {
);
vec4 pos = UNIT_QUAD[gl_VertexID];
#ifdef GPU_TRANSFORM_IS_STEREO
#ifdef GPU_TRANSFORM_STEREO_SPLIT_SCREEN
TransformCamera cam = getTransformCamera();
<$transformStereoClipsSpace(cam, pos)$>
#endif
#endif
_texCoord0 = vec4((pos.xy + 1.0) * 0.5, 0.0, 1.0);
#ifdef GPU_TRANSFORM_IS_STEREO
#ifdef GPU_TRANSFORM_STEREO_SPLIT_SCREEN
#else
if (cam_isStereo()) {
_texCoord0.x = 0.5 * (_texCoord0.x + cam_getStereoSide());
}
#endif
#endif
gl_Position = pos;
}
}

19
libraries/render-utils/src/deferred_light_spot.slv
View file

@ -46,9 +46,14 @@ void main(void) {
vec4 projected = gl_Position / gl_Position.w;
projected.xy = (projected.xy + 1.0) * 0.5;
#ifdef GPU_TRANSFORM_IS_STEREO
#ifdef GPU_TRANSFORM_STEREO_SPLIT_SCREEN
#else
if (cam_isStereo()) {
projected.x = 0.5 * (projected.x + cam_getStereoSide());
}
#endif
#endif
_texCoord0 = vec4(projected.xy, 0.0, 1.0) * gl_Position.w;
} else {
const float depth = -1.0; //Draw at near plane
@ -60,10 +65,24 @@ void main(void) {
);
vec4 pos = UNIT_QUAD[gl_VertexID];
#ifdef GPU_TRANSFORM_IS_STEREO
#ifdef GPU_TRANSFORM_STEREO_SPLIT_SCREEN
TransformCamera cam = getTransformCamera();
<$transformStereoClipsSpace(cam, pos)$>
#endif
#endif
_texCoord0 = vec4((pos.xy + 1.0) * 0.5, 0.0, 1.0);
#ifdef GPU_TRANSFORM_IS_STEREO
#ifdef GPU_TRANSFORM_STEREO_SPLIT_SCREEN
#else
if (cam_isStereo()) {
_texCoord0.x = 0.5 * (_texCoord0.x + cam_getStereoSide());
}
#endif
#endif
gl_Position = pos;
}
}