Attachment 55832 Details for Bug 40920 – mesademos patch w/ example

[patch] mesademos patch w/ example

0001-Add-fdo-bug-40920-example.patch (text/plain), 5.52 KB, created by Jose Fonseca on 2012-01-20 06:43:24 UTC

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Creator: Jose Fonseca

Created: 2012-01-20 06:43:24 UTC

Size: 5.52 KB

patch

obsolete

>From d518b419c55b846b371bddee69702a8c2818441d Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?Jos=C3=A9=20Fonseca?= <jfonseca@vmware.com>
>Date: Fri, 20 Jan 2012 14:40:36 +0000
>Subject: [PATCH] Add fdo bug 40920 example.
>
>---
> src/egl/openvg/CMakeLists.txt |    1 +
> src/egl/openvg/fdo40920.c     |  175 +++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 176 insertions(+), 0 deletions(-)
> create mode 100644 src/egl/openvg/fdo40920.c
>
>diff --git a/src/egl/openvg/CMakeLists.txt b/src/egl/openvg/CMakeLists.txt
>index adcc755..b84000a 100644
>--- a/src/egl/openvg/CMakeLists.txt
>+++ b/src/egl/openvg/CMakeLists.txt
>@@ -19,6 +19,7 @@ endif ()
> # Targets that can be built both for fullscreen EGL and X11
> 
> set (targets
>+	fdo40920
> 	lion
> 	sp
> )
>diff --git a/src/egl/openvg/fdo40920.c b/src/egl/openvg/fdo40920.c
>new file mode 100644
>index 0000000..848fd0c
>--- /dev/null
>+++ b/src/egl/openvg/fdo40920.c
>@@ -0,0 +1,175 @@
>+// https://bugs.freedesktop.org/show_bug.cgi?id=40920
>+
>+#include <stdio.h>
>+#include <VG/openvg.h>
>+#include <EGL/egl.h>
>+
>+#include "eglut.h"
>+
>+static VGint width, height;
>+
>+VGfloat s_dashOn = 10.0f;
>+
>+static void
>+draw(void)
>+{
>+#if 0
>+   vgClear(0, 0, width, height);
>+
>+   vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
>+   vgLoadIdentity();
>+   vgTranslate(width/2, height/2);
>+   vgTranslate(-width/2, -height/2);
>+
>+   vgFlush();
>+#endif
>+
>+        VGfloat ClearColor[ 4 ] ;
>+
>+        ClearColor[ 0 ] = 0.2f ;	/* R */
>+        ClearColor[ 1 ] = 0.2f ;	/* G */
>+        ClearColor[ 2 ] = 0.2f ;	/* B */
>+        ClearColor[ 3 ] = 0.0f ;	/* A */
>+
>+        vgSetfv( VG_CLEAR_COLOR, ( VGint )(( sizeof ClearColor ) / ( sizeof ( VGfloat ))), ClearColor ) ;
>+        vgClear( 0, 0, width, height ) ; 
>+
>+        VGint clipRect[4] =
>+        {
>+            0, 0, width, height
>+        };
>+
>+        // enable clipping
>+        vgSeti(VG_SCISSORING, VG_TRUE);
>+        vgSetiv(VG_SCISSOR_RECTS, 4, clipRect);
>+
>+VGfloat s_defaultMatrix[] = {1.0f,   0.0f, 0.0f,
>+                             0.0f,  -1.0f, 0.0f,
>+                             0.0f, height, 1.0f};
>+
>+        vgLoadMatrix(s_defaultMatrix);
>+
>+        vgTranslate(width + 100, height/2);
>+        vgScale(0.9f, 0.9f);
>+	vgTranslate(-width/2, -height/2);
>+
>+        VGPaint strokePaint = vgCreatePaint();
>+        VGfloat color[4] = {0.0f, 0.8f ,0.0f, 1.0f};
>+        vgSetParameterfv(strokePaint, VG_PAINT_COLOR, 4, color);
>+        vgSetPaint(strokePaint, VG_STROKE_PATH);    
>+        vgSetf(VG_STROKE_LINE_WIDTH, 2.0f);
>+
>+        VGfloat dashPattern[2] = {s_dashOn, 20.0f};
>+        s_dashOn++;
>+        if (s_dashOn > 10000)
>+        {
>+            s_dashOn = 0;
>+        }
>+
>+        vgSetfv(VG_STROKE_DASH_PATTERN, 2, dashPattern);
>+        vgSetf(VG_STROKE_DASH_PHASE, 0.0f);
>+        vgSeti(VG_STROKE_DASH_PHASE_RESET, VG_FALSE);
>+
>+
>+        VGPath shapePath = vgCreatePath(
>+            VG_PATH_FORMAT_STANDARD,
>+            VG_PATH_DATATYPE_F,
>+            1.0f, 0.0f,
>+            12,
>+            62,
>+            VG_PATH_CAPABILITY_APPEND_TO);
>+
>+        VGubyte triangle_segments [12] =
>+        {
>+            VG_MOVE_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,            
>+            VG_CUBIC_TO_ABS,
>+            VG_CUBIC_TO_ABS,
>+            VG_CLOSE_PATH
>+        };
>+        // define coordinates for rectangle
>+        VGfloat afPathmCoords[62] =
>+        {
>+            -332.7857, 410.4081,
>+            -357.0934,  407.054, -379.7178, 397.2152, -396.4451, 382.7241,
>+            -410.9494, 370.1588, -423.7087, 349.0457, -428.9955, 328.8622,
>+            -431.5813, 318.9902, -431.7468, 317.0763, -431.7625, 296.8622,
>+            -431.7801, 274.2322, -431.0129, 268.4703, -426.104,  254.3622,
>+            -419.7086, 235.9817, -406.8737, 218.2509, -391.5357, 206.6073,
>+            -388.6482, 204.4153, -386.2866, 202.1134, -386.2876,  201.492,
>+            -386.2887, 200.8706, -388.5975, 198.7891, -391.4182, 196.8665,
>+            -408.4568, 185.2533, -422.4738, 162.1653, -427.5256, 137.3922,
>+            -430.0309, 125.1075, -430.5237, 98.29367, -428.4453, 87.36218,
>+            -421.5526, 51.11037, -400.1021, 22.80175, -367.4087, 6.811264,
>+        };
>+
>+        vgAppendPathData(
>+            shapePath,
>+            12,
>+            triangle_segments,
>+            afPathmCoords);
>+
>+        vgDrawPath(shapePath, VG_STROKE_PATH);
>+
>+        vgDestroyPath(shapePath);
>+        vgDestroyPaint(strokePaint);
>+   vgFlush();
>+
>+   eglutPostRedisplay();
>+}
>+
>+
>+/* new window size or exposure */
>+static void
>+reshape(int w, int h)
>+{
>+   width  = w;
>+   height = h;
>+}
>+
>+
>+static void
>+init(void)
>+{
>+    vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
>+    vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_BETTER);
>+    vgSeti(VG_IMAGE_QUALITY, VG_IMAGE_QUALITY_BETTER);
>+
>+#ifdef OPENVG_VERSION_1_1
>+    VGfloat colorTransformation [] = {1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0};
>+
>+    vgSetfv(VG_COLOR_TRANSFORM_VALUES,8,colorTransformation);
>+
>+    vgSeti(VG_COLOR_TRANSFORM,VG_TRUE);
>+#endif
>+
>+    vgSeti(VG_TILE_FILL_COLOR, 0x00000000);
>+    vgSeti(VG_CLEAR_COLOR, 0x00000000);
>+}
>+
>+
>+int
>+main(int argc, char *argv[])
>+{
>+   eglutInitWindowSize(800, 480);
>+   eglutInitAPIMask(EGLUT_OPENVG_BIT);
>+   eglutInit(argc, argv);
>+
>+   eglutCreateWindow("Lion Example");
>+
>+   eglutReshapeFunc(reshape);
>+   eglutDisplayFunc(draw);
>+
>+   init();
>+
>+   eglutMainLoop();
>+
>+   return 0;
>+}
>-- 
>1.7.7.3
>

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