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100 lines
3.3 KiB
100 lines
3.3 KiB
/*
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* Copyright (c) 2010-2011 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "paintershaderprogram.h"
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#include "painter.h"
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#include "texture.h"
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#include "texturemanager.h"
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void PainterShaderProgram::setProjectionMatrix(float projectionMatrix[3][3])
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{
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setUniformValue(PROJECTION_MATRIX_UNIFORM, projectionMatrix, true);
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}
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void PainterShaderProgram::setColor(const Color& color)
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{
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setUniformValue(COLOR_UNIFORM,
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color.r() / 255.0f,
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color.g() / 255.0f,
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color.b() / 255.0f,
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color.a() / 255.0f);
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}
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void PainterShaderProgram::setOpacity(GLfloat opacity)
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{
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setUniformValue(OPACITY_UNIFORM, opacity);
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}
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void PainterShaderProgram::setTexture(const TexturePtr& texture)
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{
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float w = texture->getGlSize().width();
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float h = texture->getGlSize().height();
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GLfloat textureTransformMatrix[2][2] = {
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{ 1.0f/w, 0.0f },
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{ 0.0f, 1.0f/h }
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};
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, texture->getId());
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setUniformValue(TEXTURE_UNIFORM, 0);
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setUniformValue(TEXTURE_TRANSFORM_MATRIX_UNIFORM, textureTransformMatrix, true);
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}
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void PainterShaderProgram::setVertexCoords(const GLfloat *vertices)
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{
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enableAttributeArray(PainterShaderProgram::VERTEX_COORDS_ATTR);
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setAttributeArray(PainterShaderProgram::VERTEX_COORDS_ATTR, vertices, 2);
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}
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void PainterShaderProgram::setTextureCoords(const GLfloat *textureCoords)
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{
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enableAttributeArray(PainterShaderProgram::TEXTURE_COORDS_ATTR);
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setAttributeArray(PainterShaderProgram::TEXTURE_COORDS_ATTR, textureCoords, 2);
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m_mustDisableTexCoordsArray = true;
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}
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void PainterShaderProgram::prepareForDraw()
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{
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assert(bind());
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}
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void PainterShaderProgram::drawTriangleStrip(int numVertices)
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{
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glDrawArrays(GL_TRIANGLE_STRIP, 0, numVertices);
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}
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void PainterShaderProgram::releaseFromDraw()
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{
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if(m_mustDisableTexCoordsArray) {
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disableAttributeArray(PainterShaderProgram::TEXTURE_COORDS_ATTR);
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m_mustDisableTexCoordsArray = false;
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}
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if(m_mustDisableVertexArray) {
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disableAttributeArray(PainterShaderProgram::VERTEX_COORDS_ATTR);
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m_mustDisableVertexArray = false;
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}
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//release();
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}
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