Exemplos de reshapeWavefront em C++ (Cpp)

Exemplo n.º 1

Arquivo: main.c Projeto: Adon-m/OpenGL

GLUSvoid reshape(GLUSint width, GLUSint height)
{
	GLfloat modelMatrix[16];
	GLfloat modelViewMatrix[16];
	GLfloat normalMatrix[9];
	GLfloat lightDirection[3];

	reshapeWavefront(width, height);

	//

	glViewport(0, 0, width, height);

	glusPerspectivef(g_projectionMatrix, 40.0f, (GLfloat)width / (GLfloat)height, 1.0f, 100.0f);

	// Calculate the inverse. Needed for the SSAO shader to get from projection to view space.

	glusMatrix4x4Copyf(g_inverseProjectionMatrix, g_projectionMatrix, GLUS_FALSE);

	glusMatrix4x4Inversef(g_inverseProjectionMatrix);

	glUseProgram(g_ssaoProgram.program);

	glUniformMatrix4fv(g_ssaoInverseProjectionMatrixLocation, 1, GL_FALSE, g_inverseProjectionMatrix);

	glUniformMatrix4fv(g_ssaoProjectionMatrixLocation, 1, GL_FALSE, g_projectionMatrix);

	//

	glusMatrix4x4Multiplyf(g_viewProjectionMatrix, g_projectionMatrix, g_viewMatrix);

	glUseProgram(g_program.program);

	glUniformMatrix4fv(g_viewProjectionMatrixLocation, 1, GL_FALSE, g_viewProjectionMatrix);

	glusMatrix4x4Identityf(modelMatrix);
	glusMatrix4x4RotateRxf(modelMatrix, -90.0f);
	glUniformMatrix4fv(g_modelMatrixLocation, 1, GL_FALSE, modelMatrix);

	// Calculation is in camera space
	glusMatrix4x4Multiplyf(modelViewMatrix, g_viewMatrix, modelMatrix);
	glusMatrix4x4ExtractMatrix3x3f(normalMatrix, modelViewMatrix);
	glUniformMatrix3fv(g_normalMatrixLocation, 1, GL_FALSE, normalMatrix);

	glusMatrix4x4MultiplyVector3f(lightDirection, g_viewMatrix, g_light.direction);
	// Direction already normalized
	glUniform3fv(g_lightDirectionLocation, 1, lightDirection);
}

Exemplo n.º 2

Arquivo: main.c Projeto: ExMix/OpenGL_ES

GLUSvoid reshape(GLUSint width, GLUSint height)
{
    GLfloat modelMatrix[16];
    GLfloat modelViewMatrix[16];
    GLfloat normalMatrix[9];
    GLfloat lightDirection[3];

    g_width = width;
    g_height = height;

    reshapeWavefront(width, height);

    //

    glViewport(0, 0, width, height);

    glusPerspectivef(g_viewProjectionMatrix, 40.0f, (GLfloat) width / (GLfloat) height, 1.0f, 100.0f);

    glusMatrix4x4Multiplyf(g_viewProjectionMatrix, g_viewProjectionMatrix, g_viewMatrix);

    glUseProgram(g_program.program);

    glUniformMatrix4fv(g_viewProjectionMatrixLocation, 1, GL_FALSE, g_viewProjectionMatrix);

    glusMatrix4x4Identityf(modelMatrix);
    glusMatrix4x4Translatef(modelMatrix, 0.0f, 0.0f, 3.0f);
    glusMatrix4x4RotateRxf(modelMatrix, -90.0f);
    glUniformMatrix4fv(g_modelMatrixLocation, 1, GL_FALSE, modelMatrix);

    // Calculation is in camera space
    glusMatrix4x4Multiplyf(modelViewMatrix, g_viewMatrix, modelMatrix);
    glusMatrix4x4ExtractMatrix3x3f(normalMatrix, modelViewMatrix);
    glUniformMatrix3fv(g_normalMatrixLocation, 1, GL_FALSE, normalMatrix);

    glusMatrix4x4MultiplyVector3f(lightDirection, g_viewMatrix, g_light.direction);
    // Direction already normalized
    glUniform3fv(g_lightDirectionLocation, 1, lightDirection);
}