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authorAndrei Karas <akaras@inbox.ru>2014-06-08 23:04:53 +0300
committerAndrei Karas <akaras@inbox.ru>2014-06-09 11:42:32 +0300
commit49aba83fa6f3393214919166c42fb55c5a9a7796 (patch)
treecfdb4484e6165e97bafdd44956a8c8bfd08f0650 /src
parent7a0ce777e5d7e3c5ba562ea1c811c0c3cb17a976 (diff)
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Add basic shaders in modernopengl.
Add draw/fill rectangle functions.
Diffstat (limited to 'src')
-rw-r--r--src/render/graphics.h3
-rw-r--r--src/render/mgltypes.h2
-rw-r--r--src/render/mobileopenglgraphics.h2
-rw-r--r--src/render/modernopenglgraphics.cpp116
-rw-r--r--src/render/modernopenglgraphics.h11
-rw-r--r--src/render/normalopenglgraphics.h2
-rw-r--r--src/render/nullopenglgraphics.h2
-rw-r--r--src/render/openglgraphicsdef.hpp14
-rw-r--r--src/render/openglgraphicsdef1.hpp37
-rw-r--r--src/render/safeopenglgraphics.h2
-rw-r--r--src/render/shaders/shaderprogram.h3
11 files changed, 173 insertions, 21 deletions
diff --git a/src/render/graphics.h b/src/render/graphics.h
index a61c47437..9b63ba6c6 100644
--- a/src/render/graphics.h
+++ b/src/render/graphics.h
@@ -308,7 +308,8 @@ class Graphics notfinal
void setColor2(const Color &color)
{ mColor2 = color; }
- void setColorAll(const Color &color, const Color &color2)
+ virtual void setColorAll(const Color &color,
+ const Color &color2)
{
mColor = color;
mColor2 = color2;
diff --git a/src/render/mgltypes.h b/src/render/mgltypes.h
index 7e56941a9..321739845 100644
--- a/src/render/mgltypes.h
+++ b/src/render/mgltypes.h
@@ -101,7 +101,7 @@ typedef void (APIENTRY *glAttachShader_t) (GLuint program, GLuint shader);
typedef void (APIENTRY *glDetachShader_t) (GLuint program, GLuint shader);
typedef void (APIENTRY *glGetAttachedShaders_t) (GLuint program,
GLsizei maxCount, GLsizei *count, GLuint *shaders);
-typedef void (APIENTRY *glGetUniformLocation_t) (GLuint program,
+typedef GLint (APIENTRY *glGetUniformLocation_t) (GLuint program,
const GLchar *name);
typedef void (APIENTRY *glGetActiveUniform_t) (GLuint program, GLuint index,
GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
diff --git a/src/render/mobileopenglgraphics.h b/src/render/mobileopenglgraphics.h
index 6161c7f29..813bcc987 100644
--- a/src/render/mobileopenglgraphics.h
+++ b/src/render/mobileopenglgraphics.h
@@ -68,6 +68,8 @@ class MobileOpenGLGraphics final : public Graphics
#include "render/graphicsdef.hpp"
+ #include "render/openglgraphicsdef1.hpp"
+
#include "render/openglgraphicsdef.hpp"
#include "render/openglgraphicsdefadvanced.hpp"
diff --git a/src/render/modernopenglgraphics.cpp b/src/render/modernopenglgraphics.cpp
index 566dec714..141b6ccc7 100644
--- a/src/render/modernopenglgraphics.cpp
+++ b/src/render/modernopenglgraphics.cpp
@@ -64,6 +64,10 @@ ModernOpenGLGraphics::ModernOpenGLGraphics() :
mImageCached(0),
mFloatColor(1.0F),
mMaxVertices(500),
+ mSimpleId(0U),
+ mSimpleColor(0U),
+ mSimplePos(0),
+ mScreenUniform(0U),
mColorAlpha(false),
#ifdef DEBUG_BIND_TEXTURE
mOldTexture(),
@@ -78,6 +82,8 @@ ModernOpenGLGraphics::ModernOpenGLGraphics() :
ModernOpenGLGraphics::~ModernOpenGLGraphics()
{
deleteArraysInternal();
+ if (mSimpleProgram)
+ mSimpleProgram->decRef();
}
void ModernOpenGLGraphics::initArrays(const int vertCount)
@@ -105,10 +111,28 @@ void ModernOpenGLGraphics::postInit()
{
logger->log("Compiling shaders");
mSimpleProgram = shaders.getSimpleProgram();
+ mSimpleId = mSimpleProgram->getProgramId();
if (mSimpleProgram)
+ {
logger->log("Shaders compilation done.");
+ mglUseProgram(mSimpleId);
+ mSimplePos = mglGetAttribLocation(mSimpleId, "simplePos");
+ mglEnableVertexAttribArray(mSimplePos);
+ mSimpleColor = mglGetUniformLocation(mSimpleId, "simpleColor");
+ mScreenUniform = mglGetUniformLocation(mSimpleId, "screen");
+ screenResized();
+ }
else
+ {
logger->error("Shaders compilation error.");
+ }
+}
+
+void ModernOpenGLGraphics::screenResized()
+{
+ mglUniform2f(mScreenUniform,
+ static_cast<float>(mWidth) / 2.0f,
+ static_cast<float>(mHeight) / 2.0f);
}
void ModernOpenGLGraphics::deleteArrays()
@@ -141,6 +165,35 @@ bool ModernOpenGLGraphics::setVideoMode(const int w, const int h,
return setOpenGLMode();
}
+void ModernOpenGLGraphics::setColor(const Color &color)
+{
+ setColorAll(color, color);
+}
+
+void ModernOpenGLGraphics::setColorAll(const Color &color,
+ const Color &color2)
+{
+ mColor = color;
+ mColor2 = color2;
+ mColorAlpha = (color.a != 255);
+ if (mColorAlpha)
+ {
+ mglUniform4f(mSimpleColor,
+ static_cast<float>(color.r) / 255.0F,
+ static_cast<float>(color.g) / 255.0F,
+ static_cast<float>(color.b) / 255.0F,
+ static_cast<float>(color.a) / 255.0F);
+ }
+ else
+ {
+ mglUniform4f(mSimpleColor,
+ static_cast<float>(color.r) / 255.0F,
+ static_cast<float>(color.g) / 255.0F,
+ static_cast<float>(color.b) / 255.0F,
+ 1.0F);
+ }
+}
+
static inline void drawQuad(const Image *const image,
const int srcX, const int srcY,
const int dstX, const int dstY,
@@ -471,12 +524,60 @@ void ModernOpenGLGraphics::drawLine(int x1, int y1, int x2, int y2)
void ModernOpenGLGraphics::drawRectangle(const Rect& rect)
{
- drawRectangle(rect, false);
+ setTexturingAndBlending(false);
+ const ClipRect &clipArea = mClipStack.top();
+ const int x1 = rect.x + clipArea.xOffset;
+ const int y1 = rect.y + clipArea.yOffset;
+ const int x2 = x1 + rect.width;
+ const int y2 = y1 + rect.height;
+ GLfloat vertices[] =
+ {
+ x1, y1,
+ x1, y2,
+ x2, y2,
+ x2, y1
+ };
+ GLuint vbo;
+ mglGenBuffers(1, &vbo);
+ mglBindBuffer(GL_ARRAY_BUFFER, vbo);
+ mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
+ vertices, GL_DYNAMIC_DRAW);
+// mglEnableVertexAttribArray(mSimplePos);
+ mglVertexAttribPointer(mSimplePos, 2, GL_FLOAT, GL_FALSE, 0, 0);
+
+ glDrawArrays(GL_LINE_LOOP, 0, 4);
+ updateScreen();
+
+ mglDeleteBuffers(1, &vbo);
}
void ModernOpenGLGraphics::fillRectangle(const Rect& rect)
{
- drawRectangle(rect, true);
+ setTexturingAndBlending(false);
+ const ClipRect &clipArea = mClipStack.top();
+ const int x1 = rect.x + clipArea.xOffset;
+ const int y1 = rect.y + clipArea.yOffset;
+ const int x2 = x1 + rect.width;
+ const int y2 = y1 + rect.height;
+ GLfloat vertices[] =
+ {
+ x1, y1,
+ x2, y1,
+ x1, y2,
+ x2, y2
+ };
+ GLuint vbo;
+ mglGenBuffers(1, &vbo);
+ mglBindBuffer(GL_ARRAY_BUFFER, vbo);
+ mglBufferData(GL_ARRAY_BUFFER, sizeof(vertices),
+ vertices, GL_DYNAMIC_DRAW);
+// mglEnableVertexAttribArray(mSimplePos);
+ mglVertexAttribPointer(mSimplePos, 2, GL_FLOAT, GL_FALSE, 0, 0);
+
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ updateScreen();
+
+ mglDeleteBuffers(1, &vbo);
}
void ModernOpenGLGraphics::setTexturingAndBlending(const bool enable)
@@ -491,16 +592,21 @@ void ModernOpenGLGraphics::setTexturingAndBlending(const bool enable)
}
else
{
- if (mAlpha)
+ if (mAlpha && !mColorAlpha)
{
glDisable(GL_BLEND);
mAlpha = false;
}
+ else if (!mAlpha && mColorAlpha)
+ {
+ glEnable(GL_BLEND);
+ mAlpha = true;
+ }
}
}
-void ModernOpenGLGraphics::drawRectangle(const Rect& rect,
- const bool filled)
+void ModernOpenGLGraphics::drawRectangle(const Rect& rect A_UNUSED,
+ const bool filled A_UNUSED)
{
}
diff --git a/src/render/modernopenglgraphics.h b/src/render/modernopenglgraphics.h
index 75165031f..2e80fb56a 100644
--- a/src/render/modernopenglgraphics.h
+++ b/src/render/modernopenglgraphics.h
@@ -59,6 +59,13 @@ class ModernOpenGLGraphics final : public Graphics
void postInit() override final;
+ void setColor(const Color &color) override final;
+
+ void setColorAll(const Color &color,
+ const Color &color2) override final;
+
+ void screenResized();
+
#include "render/graphicsdef.hpp"
#include "render/openglgraphicsdef.hpp"
@@ -80,6 +87,10 @@ class ModernOpenGLGraphics final : public Graphics
GLuint mImageCached;
float mFloatColor;
int mMaxVertices;
+ GLuint mSimpleId;
+ GLuint mSimpleColor;
+ GLint mSimplePos;
+ GLuint mScreenUniform;
bool mColorAlpha;
#ifdef DEBUG_BIND_TEXTURE
std::string mOldTexture;
diff --git a/src/render/normalopenglgraphics.h b/src/render/normalopenglgraphics.h
index 6de8d9397..bc77b6563 100644
--- a/src/render/normalopenglgraphics.h
+++ b/src/render/normalopenglgraphics.h
@@ -80,6 +80,8 @@ class NormalOpenGLGraphics final : public Graphics
#include "render/openglgraphicsdef.hpp"
+ #include "render/openglgraphicsdef1.hpp"
+
#include "render/openglgraphicsdefadvanced.hpp"
#ifdef DEBUG_BIND_TEXTURE
diff --git a/src/render/nullopenglgraphics.h b/src/render/nullopenglgraphics.h
index ebecbe7dd..e01e3b2ef 100644
--- a/src/render/nullopenglgraphics.h
+++ b/src/render/nullopenglgraphics.h
@@ -76,6 +76,8 @@ class NullOpenGLGraphics final : public Graphics
#include "render/openglgraphicsdef.hpp"
+ #include "render/openglgraphicsdef1.hpp"
+
#include "render/openglgraphicsdefadvanced.hpp"
private:
diff --git a/src/render/openglgraphicsdef.hpp b/src/render/openglgraphicsdef.hpp
index 4a48d919a..016c2762c 100644
--- a/src/render/openglgraphicsdef.hpp
+++ b/src/render/openglgraphicsdef.hpp
@@ -21,20 +21,6 @@
*/
public:
- void setColor(const Color &color) override final
- {
- mColor = color;
- mColor2 = color;
- mColorAlpha = (color.a != 255);
- }
-
- void setColorAll(const Color &color, const Color &color2)
- {
- mColor = color;
- mColor2 = color2;
- mColorAlpha = (color.a != 255);
- }
-
void drawRectangle(const Rect &rect,
const bool filled);
diff --git a/src/render/openglgraphicsdef1.hpp b/src/render/openglgraphicsdef1.hpp
new file mode 100644
index 000000000..c37b4331f
--- /dev/null
+++ b/src/render/openglgraphicsdef1.hpp
@@ -0,0 +1,37 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public:
+ void setColor(const Color &color) override final
+ {
+ mColor = color;
+ mColor2 = color;
+ mColorAlpha = (color.a != 255);
+ }
+
+ void setColorAll(const Color &color,
+ const Color &color2) override final
+ {
+ mColor = color;
+ mColor2 = color2;
+ mColorAlpha = (color.a != 255);
+ }
diff --git a/src/render/safeopenglgraphics.h b/src/render/safeopenglgraphics.h
index 80a10a5eb..d8b37a0d6 100644
--- a/src/render/safeopenglgraphics.h
+++ b/src/render/safeopenglgraphics.h
@@ -54,6 +54,8 @@ class SafeOpenGLGraphics final : public Graphics
#include "render/openglgraphicsdef.hpp"
+ #include "render/openglgraphicsdef1.hpp"
+
private:
bool mTexture;
bool mIsByteColor;
diff --git a/src/render/shaders/shaderprogram.h b/src/render/shaders/shaderprogram.h
index bb01a4802..a0781d684 100644
--- a/src/render/shaders/shaderprogram.h
+++ b/src/render/shaders/shaderprogram.h
@@ -38,6 +38,9 @@ class ShaderProgram final : public Resource
A_DELETE_COPY(ShaderProgram)
+ unsigned int getProgramId() const
+ { return mProgramId; }
+
protected:
unsigned int mProgramId;
Shader *mVertex;