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authorAndrei Karas <akaras@inbox.ru>2014-06-12 20:09:23 +0300
committerAndrei Karas <akaras@inbox.ru>2014-06-12 20:09:23 +0300
commit19d9c94b2c0fc5585fdba7aa0b7756be1be88f40 (patch)
tree3b991f33e2eeb0860e83f30a3820be51ec238225 /src/render
parent0a28edcfc315f4e907fa8f37efe3300efe88c8b8 (diff)
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In modernopengl add drawnet function.
Diffstat (limited to 'src/render')
-rw-r--r--src/render/modernopenglgraphics.cpp66
-rw-r--r--src/render/modernopenglgraphics.h2
2 files changed, 68 insertions, 0 deletions
diff --git a/src/render/modernopenglgraphics.cpp b/src/render/modernopenglgraphics.cpp
index 3d4cf68a1..e92002e92 100644
--- a/src/render/modernopenglgraphics.cpp
+++ b/src/render/modernopenglgraphics.cpp
@@ -903,6 +903,62 @@ bool ModernOpenGLGraphics::drawNet(const int x1, const int y1,
const int x2, const int y2,
const int width, const int height)
{
+ unsigned int vp = 0;
+ const unsigned int vLimit = mMaxVertices * 4;
+
+ setTexturingAndBlending(false);
+ const ClipRect &clipArea = mClipStack.top();
+ const GLfloat dx = clipArea.xOffset;
+ const GLfloat dy = clipArea.yOffset;
+
+ const GLfloat xs1 = static_cast<GLfloat>(x1) + dx;
+ const GLfloat xs2 = static_cast<GLfloat>(x2) + dx;
+ const GLfloat ys1 = static_cast<GLfloat>(y1) + dy;
+ const GLfloat ys2 = static_cast<GLfloat>(y2) + dy;
+
+ for (int y = y1; y < y2; y += height)
+ {
+ mFloatArray[vp + 0] = xs1;
+ mFloatArray[vp + 1] = y;
+ mFloatArray[vp + 2] = 0.0f;
+ mFloatArray[vp + 3] = 0.0f;
+
+ mFloatArray[vp + 4] = xs2;
+ mFloatArray[vp + 5] = y;
+ mFloatArray[vp + 6] = 0.0f;
+ mFloatArray[vp + 7] = 0.0f;
+
+ vp += 8;
+ if (vp >= vLimit)
+ {
+ drawLineArrays(vp);
+ vp = 0;
+ }
+ }
+
+ for (int x = x1; x < x2; x += width)
+ {
+ mFloatArray[vp + 0] = x;
+ mFloatArray[vp + 1] = ys1;
+ mFloatArray[vp + 2] = 0.0f;
+ mFloatArray[vp + 3] = 0.0f;
+
+ mFloatArray[vp + 4] = x;
+ mFloatArray[vp + 5] = ys2;
+ mFloatArray[vp + 6] = 0.0f;
+ mFloatArray[vp + 7] = 0.0f;
+
+ vp += 8;
+ if (vp >= vLimit)
+ {
+ drawLineArrays(vp);
+ vp = 0;
+ }
+ }
+
+ if (vp > 0)
+ drawLineArrays(vp);
+
return true;
}
@@ -964,6 +1020,16 @@ void ModernOpenGLGraphics::drawTriangleArray(const int size)
glDrawArrays(GL_TRIANGLES, 0, size / 4);
}
+void ModernOpenGLGraphics::drawLineArrays(const int size)
+{
+ mglBufferData(GL_ARRAY_BUFFER, size * sizeof(GLfloat),
+ mFloatArray, GL_DYNAMIC_DRAW);
+#ifdef DEBUG_DRAW_CALLS
+ mDrawCalls ++;
+#endif
+ glDrawArrays(GL_LINES, 0, size / 4);
+}
+
#ifdef DEBUG_BIND_TEXTURE
void ModernOpenGLGraphics::debugBindTexture(const Image *const image)
{
diff --git a/src/render/modernopenglgraphics.h b/src/render/modernopenglgraphics.h
index fec209a7e..3528462a8 100644
--- a/src/render/modernopenglgraphics.h
+++ b/src/render/modernopenglgraphics.h
@@ -87,6 +87,8 @@ class ModernOpenGLGraphics final : public Graphics
inline void drawTriangleArray(const int size);
+ inline void drawLineArrays(const int size);
+
GLfloat *mFloatArray;
GLfloat *mFloatArrayCached;
ShaderProgram *mProgram;