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130 lines
No EOL
2.8 KiB
C++
130 lines
No EOL
2.8 KiB
C++
#include "GLDraw.h"
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#define LTIMING(x) RTIMING(x)
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#ifndef GL_USE_SHADERS
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#define LLOG(x) // LOG(x)
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namespace Upp {
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void GLDraw::PutImage(Point p, const Image& img, const Rect& src)
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{
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LTIMING("PutImage");
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if(img.GetLength() == 0)
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return;
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LLOG("PutImage " << img.GetSerialId() << ' ' << p.x << ", " << p.y << ", "<< img.GetSize());
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LLOG("SysImage cache pixels " << sTextureCache.GetSize() << ", count " << sTextureCache.GetCount());
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glEnable(GL_TEXTURE_2D);
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glBindTexture(GL_TEXTURE_2D, GetTextureForImage(img));
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if(src == img.GetSize()) {
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Rect r(p, img.GetSize());
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glBegin(GL_TRIANGLE_STRIP);
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glColor3f(1.0f, 1.0f, 1.0f);
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glTexCoord2f(0, 0);
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glVertex2i(r.left, r.top);
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glTexCoord2f(1, 0);
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glVertex2i(r.right, r.top);
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glTexCoord2f(0, 1);
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glVertex2i(r.left, r.bottom);
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glTexCoord2f(1, 1);
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glVertex2i(r.right, r.bottom);
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glEnd();
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}
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else {
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Sizef iszf = img.GetSize();
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Rect s = src & img.GetSize();
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Rect r(p, s.GetSize());
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Rectf h;
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h.left = (double)s.left / iszf.cx;
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h.right = (double)s.right / iszf.cx;
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h.top = (double)s.top / iszf.cy;
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h.bottom = (double)s.bottom / iszf.cy;
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glBegin(GL_TRIANGLE_STRIP);
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glColor3f(1.0f, 1.0f, 1.0f);
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glTexCoord2f(h.left, h.top);
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glVertex2i(r.left, r.top);
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glTexCoord2f(h.right, h.top);
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glVertex2i(r.right, r.top);
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glTexCoord2f(h.left, h.bottom);
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glVertex2i(r.left, r.bottom);
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glTexCoord2f(h.right, h.bottom);
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glVertex2i(r.right, r.bottom);
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glEnd();
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}
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glDisable(GL_TEXTURE_2D);
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}
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void GLDraw::SetColor(Color c)
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{
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glColor3f(c.GetR() / 255.0, c.GetG() / 255.0, c.GetB() / 255.0);
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}
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void GLDraw::PutRect(const Rect& r, Color color)
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{
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LTIMING("PutRect");
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LLOG("PutRect " << r << " " << color);
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bool inv = color == InvertColor();
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if(inv)
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glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_SRC_COLOR);
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glBegin(GL_TRIANGLE_STRIP);
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if(inv)
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glColor3f(1.0f, 1.0f, 1.0f);
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else
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SetColor(color);
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glVertex2i(r.left, r.top);
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glVertex2i(r.right, r.top);
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glVertex2i(r.left, r.bottom);
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glVertex2i(r.right, r.bottom);
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glEnd();
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if(inv)
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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}
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void GLDraw::Init(Size sz, uint64 context_)
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{
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context = context_;
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SDraw::Init(sz);
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glEnable(GL_BLEND);
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glViewport(0, 0, (GLsizei)sz.cx, (GLsizei)sz.cy);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(0, sz.cx, sz.cy, 0, 0.0f, 1.0f);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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LOG("==============================================================================");
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/*
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glGenBuffers(1, &vbo);
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glBindBuffer(GL_ARRAY_BUFFER, triangleVBO);
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glGenBuffers(1, &tbo);
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glBindBuffer(GL_
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*/
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}
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void GLDraw::Finish()
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{
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}
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GLDraw::~GLDraw()
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{
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}
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}
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#endif |