summaryrefslogtreecommitdiff
path: root/gfx/gl
diff options
context:
space:
mode:
Diffstat (limited to 'gfx/gl')
-rw-r--r--gfx/gl/camera.cpp9
-rw-r--r--gfx/gl/sceneRenderer.cpp2
-rw-r--r--gfx/gl/sceneShader.cpp13
-rw-r--r--gfx/gl/sceneShader.h11
-rw-r--r--gfx/gl/shaders/commonPoint.glsl2
-rw-r--r--gfx/gl/shaders/commonShadowPoint.glsl3
-rw-r--r--gfx/gl/shaders/dynamicPoint.vs2
-rw-r--r--gfx/gl/shaders/dynamicPointInst.vs2
-rw-r--r--gfx/gl/shaders/fixedPoint.vs2
-rw-r--r--gfx/gl/shaders/pointLight.gs1
-rw-r--r--gfx/gl/shaders/pointLight.vs3
-rw-r--r--gfx/gl/shaders/shadowDynamicPoint.vs2
-rw-r--r--gfx/gl/shaders/shadowDynamicPointInst.vs2
-rw-r--r--gfx/gl/shaders/shadowFixedPoint.vs2
-rw-r--r--gfx/gl/shaders/spotLight.gs1
-rw-r--r--gfx/gl/shaders/spotLight.vs3
-rw-r--r--gfx/gl/shaders/water.vs7
17 files changed, 45 insertions, 22 deletions
diff --git a/gfx/gl/camera.cpp b/gfx/gl/camera.cpp
index 6a0359c..15f76c4 100644
--- a/gfx/gl/camera.cpp
+++ b/gfx/gl/camera.cpp
@@ -8,10 +8,9 @@
Camera::Camera(Position3D pos, Angle fov, Angle aspect, Distance zNear, Distance zFar) :
position {pos}, forward {::north}, up {::up}, near {zNear}, far {zFar},
- projection {glm::perspective(fov, aspect, zNear, zFar)},
- viewProjection {projection * glm::lookAt(position, position + forward, up)},
- inverseViewProjection {glm::inverse(viewProjection)}
+ projection {glm::perspective(fov, aspect, zNear, zFar)}, viewProjection {}, inverseViewProjection {}
{
+ updateView();
}
Ray
@@ -25,8 +24,8 @@ Camera::unProject(const ScreenRelCoord & mouse) const
void
Camera::updateView()
{
- viewProjection = projection * glm::lookAt(position, position + forward, up);
- inverseViewProjection = glm::inverse(viewProjection);
+ viewProjection = projection * glm::lookAt(origin, forward, up);
+ inverseViewProjection = glm::inverse(projection * glm::lookAt(position, position + forward, up));
}
Direction3D
diff --git a/gfx/gl/sceneRenderer.cpp b/gfx/gl/sceneRenderer.cpp
index 4a3fec9..9b5510e 100644
--- a/gfx/gl/sceneRenderer.cpp
+++ b/gfx/gl/sceneRenderer.cpp
@@ -52,7 +52,7 @@ SceneRenderer::SceneRenderer(ScreenAbsCoord s, GLuint o) :
void
SceneRenderer::render(const SceneProvider & scene) const
{
- shader.setViewProjection(camera.getViewProjection());
+ shader.setViewProjection(camera.getPosition(), camera.getViewProjection());
glViewport(0, 0, size.x, size.y);
// Geometry pass
diff --git a/gfx/gl/sceneShader.cpp b/gfx/gl/sceneShader.cpp
index 2dc2e70..2f391fd 100644
--- a/gfx/gl/sceneShader.cpp
+++ b/gfx/gl/sceneShader.cpp
@@ -26,11 +26,11 @@ SceneShader::SceneShader() :
}
void
-SceneShader::setViewProjection(const glm::mat4 & viewProjection) const
+SceneShader::setViewProjection(const Position3D & viewPoint, const glm::mat4 & viewProjection) const
{
for (const auto & prog : std::array<const SceneProgram *, 7> {
&basic, &basicInst, &water, &landmass, &absolute, &pointLight, &spotLight}) {
- prog->setViewProjection(viewProjection);
+ prog->setViewProjection(viewPoint, viewProjection);
}
}
@@ -44,10 +44,11 @@ SceneShader::setViewPort(const ViewPort & viewPort) const
}
void
-SceneShader::SceneProgram::setViewProjection(const glm::mat4 & viewProjection) const
+SceneShader::SceneProgram::setViewProjection(const Position3D & viewPoint, const glm::mat4 & viewProjection) const
{
glUseProgram(*this);
glUniformMatrix4fv(viewProjectionLoc, 1, GL_FALSE, glm::value_ptr(viewProjection));
+ glUniform3fv(viewPointLoc, 1, glm::value_ptr(viewPoint));
}
void
@@ -86,7 +87,8 @@ SceneShader::WaterProgram::use(float waveCycle) const
}
SceneShader::PointLightShader::PointLightShader() :
- SceneProgram {pointLight_vs, pointLight_gs, pointLight_fs}, colourLoc {*this, "colour"}, kqLoc {*this, "kq"}
+ SceneProgram {pointLight_vs, pointLight_gs, pointLight_fs}, colourLoc {*this, "colour"}, kqLoc {*this, "kq"},
+ viewPointLoc {*this, "viewPoint"}
{
VertexArrayObject {va}.addAttribs<Position3D>(b);
}
@@ -105,7 +107,8 @@ SceneShader::PointLightShader::add(const Position3D & position, const RGB & colo
SceneShader::SpotLightShader::SpotLightShader() :
SceneProgram {spotLight_vs, spotLight_gs, spotLight_fs}, directionLoc {*this, "v_direction"},
- colourLoc {*this, "colour"}, kqLoc {*this, "kq"}, arcLoc {*this, "arc"}
+ colourLoc {*this, "colour"}, kqLoc {*this, "kq"}, arcLoc {*this, "arc"}, viewPointLoc {*this, "viewPoint"}
+
{
using v3pair = std::pair<Position3D, Direction3D>;
VertexArrayObject {va}.addAttribs<v3pair, &v3pair::first, &v3pair::second>(b);
diff --git a/gfx/gl/sceneShader.h b/gfx/gl/sceneShader.h
index f46b842..154dc17 100644
--- a/gfx/gl/sceneShader.h
+++ b/gfx/gl/sceneShader.h
@@ -11,15 +11,16 @@ class SceneShader {
public:
template<typename... S>
inline explicit SceneProgram(const S &... srcs) :
- Program {srcs...}, viewProjectionLoc {*this, "viewProjection"}, viewPortLoc {*this, "viewPort"}
+ Program {srcs...}, viewProjectionLoc {*this, "viewProjection"}, viewPointLoc {*this, "viewPoint"},
+ viewPortLoc {*this, "viewPort"}
{
}
- void setViewProjection(const glm::mat4 &) const;
+ void setViewProjection(const Position3D &, const glm::mat4 &) const;
void setViewPort(const ViewPort &) const;
private:
- RequiredUniformLocation viewProjectionLoc;
+ RequiredUniformLocation viewProjectionLoc, viewPointLoc;
UniformLocation viewPortLoc;
};
@@ -58,6 +59,7 @@ class SceneShader {
private:
UniformLocation colourLoc;
UniformLocation kqLoc;
+ UniformLocation viewPointLoc;
glVertexArray va;
glBuffer b;
};
@@ -74,6 +76,7 @@ class SceneShader {
UniformLocation colourLoc;
UniformLocation kqLoc;
UniformLocation arcLoc;
+ UniformLocation viewPointLoc;
glVertexArray va;
glBuffer b;
};
@@ -87,6 +90,6 @@ public:
PointLightShader pointLight;
SpotLightShader spotLight;
- void setViewProjection(const glm::mat4 & viewProjection) const;
+ void setViewProjection(const Position3D & viewPoint, const glm::mat4 & viewProjection) const;
void setViewPort(const ViewPort & viewPort) const;
};
diff --git a/gfx/gl/shaders/commonPoint.glsl b/gfx/gl/shaders/commonPoint.glsl
index 35510e1..046da27 100644
--- a/gfx/gl/shaders/commonPoint.glsl
+++ b/gfx/gl/shaders/commonPoint.glsl
@@ -24,5 +24,5 @@ main()
Colour = colour;
Material = getMaterialDetail(material);
- gl_Position = viewProjection * worldPos;
+ gl_Position = viewProjection * vec4(FragPos - viewPoint + modelPos, 1);
}
diff --git a/gfx/gl/shaders/commonShadowPoint.glsl b/gfx/gl/shaders/commonShadowPoint.glsl
index c7cbd3e..216642e 100644
--- a/gfx/gl/shaders/commonShadowPoint.glsl
+++ b/gfx/gl/shaders/commonShadowPoint.glsl
@@ -1,6 +1,7 @@
void
main()
{
- gl_Position = viewProjection * model * vec4(position, 1.0);
+ vec4 worldPos = model * vec4(position, 1.0);
+ gl_Position = viewProjection * vec4(worldPos.xyz - viewPoint + modelPos, 1);
gl_Position.z = max(gl_Position.z, -1);
}
diff --git a/gfx/gl/shaders/dynamicPoint.vs b/gfx/gl/shaders/dynamicPoint.vs
index 961535c..9dd6a47 100644
--- a/gfx/gl/shaders/dynamicPoint.vs
+++ b/gfx/gl/shaders/dynamicPoint.vs
@@ -5,6 +5,8 @@ include(`meshIn.glsl')
include(`materialInterface.glsl')
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
uniform mat4 model;
+uniform vec3 modelPos;
include(`commonPoint.glsl')
diff --git a/gfx/gl/shaders/dynamicPointInst.vs b/gfx/gl/shaders/dynamicPointInst.vs
index 2d6cee5..4ae6813 100644
--- a/gfx/gl/shaders/dynamicPointInst.vs
+++ b/gfx/gl/shaders/dynamicPointInst.vs
@@ -5,6 +5,8 @@ include(`meshIn.glsl')
include(`materialInterface.glsl')
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
layout(location = 5) in mat4 model;
+layout(location = 9) in vec3 modelPos;
include(`commonPoint.glsl')
diff --git a/gfx/gl/shaders/fixedPoint.vs b/gfx/gl/shaders/fixedPoint.vs
index ed78c96..0adbb02 100644
--- a/gfx/gl/shaders/fixedPoint.vs
+++ b/gfx/gl/shaders/fixedPoint.vs
@@ -5,6 +5,8 @@ include(`meshIn.glsl')
include(`materialInterface.glsl')
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
const mat4 model = mat4(1);
+const vec3 modelPos = vec3(0);
include(`commonPoint.glsl')
diff --git a/gfx/gl/shaders/pointLight.gs b/gfx/gl/shaders/pointLight.gs
index 03d131d..ec089f5 100644
--- a/gfx/gl/shaders/pointLight.gs
+++ b/gfx/gl/shaders/pointLight.gs
@@ -19,6 +19,7 @@ const vec3[] cube = vec3[]( // http://www.cs.umd.edu/gvil/papers/av_ts.pdf
vec3(1, 1, -1) // Back-top-right
);
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
in vec3 centre[];
in float size[];
diff --git a/gfx/gl/shaders/pointLight.vs b/gfx/gl/shaders/pointLight.vs
index 35682fa..b3fe7b9 100644
--- a/gfx/gl/shaders/pointLight.vs
+++ b/gfx/gl/shaders/pointLight.vs
@@ -4,6 +4,7 @@ layout(location = 0) in vec3 position;
uniform vec3 colour;
uniform float kq;
+uniform vec3 viewPoint;
out vec3 centre;
out float size;
@@ -13,5 +14,5 @@ main()
{
centre = position;
size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
- gl_Position = vec4(centre, 0);
+ gl_Position = vec4(centre - viewPoint, 0);
}
diff --git a/gfx/gl/shaders/shadowDynamicPoint.vs b/gfx/gl/shaders/shadowDynamicPoint.vs
index f3ed533..eb25423 100644
--- a/gfx/gl/shaders/shadowDynamicPoint.vs
+++ b/gfx/gl/shaders/shadowDynamicPoint.vs
@@ -3,6 +3,8 @@
include(`meshIn.glsl')
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
uniform mat4 model;
+uniform vec3 modelPos;
include(`commonShadowPoint.glsl')
diff --git a/gfx/gl/shaders/shadowDynamicPointInst.vs b/gfx/gl/shaders/shadowDynamicPointInst.vs
index 1bf74ef..a0f51c3 100644
--- a/gfx/gl/shaders/shadowDynamicPointInst.vs
+++ b/gfx/gl/shaders/shadowDynamicPointInst.vs
@@ -3,6 +3,8 @@
include(`meshIn.glsl')
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
layout(location = 5) in mat4 model;
+layout(location = 9) in vec3 modelPos;
include(`commonShadowPoint.glsl')
diff --git a/gfx/gl/shaders/shadowFixedPoint.vs b/gfx/gl/shaders/shadowFixedPoint.vs
index 8921707..dfc5c42 100644
--- a/gfx/gl/shaders/shadowFixedPoint.vs
+++ b/gfx/gl/shaders/shadowFixedPoint.vs
@@ -3,6 +3,8 @@
include(`meshIn.glsl')
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
const mat4 model = mat4(1);
+const vec3 modelPos = vec3(0);
include(`commonShadowPoint.glsl')
diff --git a/gfx/gl/shaders/spotLight.gs b/gfx/gl/shaders/spotLight.gs
index ad65675..0529614 100644
--- a/gfx/gl/shaders/spotLight.gs
+++ b/gfx/gl/shaders/spotLight.gs
@@ -10,6 +10,7 @@ const vec3[] pyramid = vec3[]( // four-sided
vec3(1, -1, 1) // Front-right
);
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
uniform float arc;
in vec3 position[];
diff --git a/gfx/gl/shaders/spotLight.vs b/gfx/gl/shaders/spotLight.vs
index dca0854..e61b641 100644
--- a/gfx/gl/shaders/spotLight.vs
+++ b/gfx/gl/shaders/spotLight.vs
@@ -6,6 +6,7 @@ uniform vec3 v_direction;
uniform vec3 colour;
uniform float kq;
uniform float arc;
+uniform vec3 viewPoint;
out vec3 position;
out vec3 direction;
@@ -19,5 +20,5 @@ main()
direction = normalize(v_direction);
size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
cosarc = cos(arc / 2);
- gl_Position = vec4(position, 0);
+ gl_Position = vec4(position - viewPoint, 0);
}
diff --git a/gfx/gl/shaders/water.vs b/gfx/gl/shaders/water.vs
index a21b49f..014499f 100644
--- a/gfx/gl/shaders/water.vs
+++ b/gfx/gl/shaders/water.vs
@@ -4,17 +4,18 @@ include(`meshIn.glsl')
include(`materialInterface.glsl')
uniform mat4 viewProjection;
+uniform vec3 viewPoint;
uniform vec3 waves;
void
main()
{
- vec4 wpos = vec4(position.x + cos(waves.x), position.y + cos(waves.x * waves.y / 2),
- cos(waves.x + position.x + (position.y / 8)) * .3, 1.0);
+ vec3 wpos = vec3(position.x + cos(waves.x), position.y + cos(waves.x * waves.y / 2),
+ cos(waves.x + position.x + (position.y / 8)) * .3);
FragPos = vec3(wpos.xy, position.z);
TexCoords = texCoord;
Normal = normal;
- gl_Position = viewProjection * wpos;
+ gl_Position = viewProjection * vec4(wpos - viewPoint, 1.0);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 13:09:57 +0000