Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 254 insertions, 0 deletions

diff --git a/canvas/opengl/dummyVertexShader.glsl b/canvas/opengl/dummyVertexShader.glsl
new file mode 100644
index 000000000..2948ee9b5
--- /dev/null
+++ b/canvas/opengl/dummyVertexShader.glsl
@@ -0,0 +1,17 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+varying vec2 v_textureCoords2d;
+void main(void)
+{
+    gl_Position = ftransform();
+    v_textureCoords2d = gl_MultiTexCoord0.st;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/opengl/linearMultiColorGradientFragmentShader.glsl b/canvas/opengl/linearMultiColorGradientFragmentShader.glsl
new file mode 100644
index 000000000..7ad881368
--- /dev/null
+++ b/canvas/opengl/linearMultiColorGradientFragmentShader.glsl
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#version 120
+
+uniform int       i_nColors;
+uniform sampler1D t_colorArray4d;
+uniform sampler1D t_stopArray1d;
+uniform mat3x2    m_transform;
+varying vec2      v_textureCoords2d;
+
+int max(int x, int y)
+{
+    if(x > y)
+        return x;
+    return y;
+}
+
+int findBucket(float t)
+{
+    int nMinBucket=0;
+    while( nMinBucket < i_nColors &&
+            texture1D(t_stopArray1d, nMinBucket).s < t )
+        ++nMinBucket;
+    return max(nMinBucket-1,0);
+}
+
+void main(void)
+{
+    float fAlpha =
+        clamp( (m_transform * vec3(v_textureCoords2d,1)).s,
+                0.0, 1.0 );
+
+    int nMinBucket = findBucket( fAlpha );
+
+    float fLerp =
+        (fAlpha-texture1D(t_stopArray1d, nMinBucket).s) /
+        (texture1D(t_stopArray1d, nMinBucket+1).s -
+         texture1D(t_stopArray1d, nMinBucket).s);
+
+    gl_FragColor = mix(texture1D(t_colorArray4d, nMinBucket),
+            texture1D(t_colorArray4d, nMinBucket+1),
+            fLerp);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/opengl/linearTwoColorGradientFragmentShader.glsl b/canvas/opengl/linearTwoColorGradientFragmentShader.glsl
new file mode 100644
index 000000000..8659bfd11
--- /dev/null
+++ b/canvas/opengl/linearTwoColorGradientFragmentShader.glsl
@@ -0,0 +1,26 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#version 120
+
+uniform vec4   v_startColor4d;
+uniform vec4   v_endColor4d;
+uniform mat3x2 m_transform;
+varying vec2   v_textureCoords2d;
+
+void main(void)
+{
+    gl_FragColor = mix(v_startColor4d,
+            v_endColor4d,
+            clamp(
+                (m_transform * vec3(v_textureCoords2d,1)).s,
+                0.0, 1.0));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/opengl/radialMultiColorGradientFragmentShader.glsl b/canvas/opengl/radialMultiColorGradientFragmentShader.glsl
new file mode 100644
index 000000000..ebc6d6f5f
--- /dev/null
+++ b/canvas/opengl/radialMultiColorGradientFragmentShader.glsl
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#version 120
+
+uniform int       i_nColors;
+uniform sampler1D t_colorArray4d;
+uniform sampler1D t_stopArray1d;
+uniform mat3x2    m_transform;
+varying vec2      v_textureCoords2d;
+const vec2        v_center2d = vec2(0,0);
+
+int max(int x, int y)
+{
+    if(x > y)
+        return x;
+    return y;
+}
+
+int findBucket(float t)
+{
+    int nMinBucket=0;
+    while( nMinBucket < i_nColors &&
+            texture1D(t_stopArray1d, nMinBucket).s < t )
+        ++nMinBucket;
+    return max(nMinBucket-1,0);
+}
+
+void main(void)
+{
+    float fAlpha =
+        clamp( 1.0 - distance(
+                    vec2( m_transform * vec3(v_textureCoords2d,1)),
+                    v_center2d),
+                0.0, 1.0 );
+
+    int nMinBucket=findBucket( fAlpha );
+
+    float fLerp =
+        (fAlpha-texture1D(t_stopArray1d, nMinBucket).s) /
+        (texture1D(t_stopArray1d, nMinBucket+1).s -
+         texture1D(t_stopArray1d, nMinBucket).s);
+
+    gl_FragColor = mix(texture1D(t_colorArray4d, nMinBucket),
+            texture1D(t_colorArray4d, nMinBucket+1),
+            fLerp);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/opengl/radialTwoColorGradientFragmentShader.glsl b/canvas/opengl/radialTwoColorGradientFragmentShader.glsl
new file mode 100644
index 000000000..a5d613454
--- /dev/null
+++ b/canvas/opengl/radialTwoColorGradientFragmentShader.glsl
@@ -0,0 +1,28 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#version 120
+
+uniform vec4   v_startColor4d;
+uniform vec4   v_endColor4d;
+uniform mat3x2 m_transform;
+varying vec2   v_textureCoords2d;
+const vec2     v_center2d = vec2(0,0);
+
+void main(void)
+{
+    gl_FragColor = mix(v_startColor4d,
+            v_endColor4d,
+            1.0 - distance(
+                vec2(
+                    m_transform * vec3(v_textureCoords2d,1)),
+                v_center2d));
+    }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/opengl/rectangularMultiColorGradientFragmentShader.glsl b/canvas/opengl/rectangularMultiColorGradientFragmentShader.glsl
new file mode 100644
index 000000000..ea17565c1
--- /dev/null
+++ b/canvas/opengl/rectangularMultiColorGradientFragmentShader.glsl
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#version 120
+
+uniform int       i_nColors;
+uniform sampler1D t_colorArray4d;
+uniform sampler1D t_stopArray1d;
+uniform mat3x2    m_transform;
+varying vec2      v_textureCoords2d;
+
+int max(int x, int y)
+{
+    if(x > y)
+        return x;
+    return y;
+}
+
+int findBucket(float t)
+{
+    int nMinBucket=0;
+    while( nMinBucket < i_nColors &&
+            texture1D(t_stopArray1d, nMinBucket).s < t )
+        ++nMinBucket;
+    return max(nMinBucket-1,0);
+}
+
+void main(void)
+{
+    vec2  v = abs( vec2(m_transform * vec3(v_textureCoords2d,1)) );
+    float fAlpha = 1 - max(v.x, v.y);
+
+    int nMinBucket=findBucket( fAlpha );
+
+    float fLerp =
+        (fAlpha-texture1D(t_stopArray1d, nMinBucket).s) /
+        (texture1D(t_stopArray1d, nMinBucket+1).s -
+         texture1D(t_stopArray1d, nMinBucket).s);
+
+    gl_FragColor = mix(texture1D(t_colorArray4d, nMinBucket),
+            texture1D(t_colorArray4d, nMinBucket+1),
+            fLerp);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/opengl/rectangularTwoColorGradientFragmentShader.glsl b/canvas/opengl/rectangularTwoColorGradientFragmentShader.glsl
new file mode 100644
index 000000000..038cdffd2
--- /dev/null
+++ b/canvas/opengl/rectangularTwoColorGradientFragmentShader.glsl
@@ -0,0 +1,25 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#version 120
+
+uniform vec4   v_startColor4d;
+uniform vec4   v_endColor4d;
+uniform mat3x2 m_transform;
+varying vec2   v_textureCoords2d;
+void main(void)
+{
+    vec2 v = abs( vec2(m_transform * vec3(v_textureCoords2d,1)) );
+    float t = max(v.x, v.y);
+    gl_FragColor = mix(v_startColor4d,
+            v_endColor4d,
+            1.0-t);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */