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恢复到渲染三种光照的基础代码部分

master
blobt 4 years ago
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e5bd97f14a
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252e211314
2 changed files with 12 additions and 43 deletions
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  1. BIN
      .vs/shader2/v14/.suo
  2. 55
      main.cpp

BIN
.vs/shader2/v14/.suo
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55
main.cpp
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@ -91,9 +91,9 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
glewInit();
/*创建program*/
GLuint program = CreateGPUProgram("res/shader/MixLight.vs", "res/shader/MixLight.fs");
GLuint program = CreateGPUProgram("res/shader/test.vs", "res/shader/test.fs");
GLuint posLocation, texcoordLocation, normalLocation, MLocation, VLocation, PLocation, NMLocation, textureLocation, offsetLocation, surfaceColorLocation;
GLuint posLocation, texcoordLocation, normalLocation, MLocation, VLocation, PLocation, NMLocation, textureLocation, offsetLocation;
posLocation = glGetAttribLocation(program, "pos");
texcoordLocation = glGetAttribLocation(program, "texcoord");
normalLocation = glGetAttribLocation(program, "normal");
@ -103,12 +103,6 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
PLocation = glGetUniformLocation(program, "P");
NMLocation = glGetUniformLocation(program, "NM");
textureLocation = glGetUniformLocation(program, "U_MainTexture");
/*使用subroutine*/
surfaceColorLocation = glGetSubroutineUniformLocation(program, GL_FRAGMENT_SHADER, "U_SurfaceColor");
GLuint ambientLightIndex = glGetSubroutineIndex(program, GL_FRAGMENT_SHADER, "Ambient");
GLuint diffuseLightIndex = glGetSubroutineIndex(program, GL_FRAGMENT_SHADER, "Diffuse");
GLuint specularLightIndex = glGetSubroutineIndex(program, GL_FRAGMENT_SHADER, "Specular");
/*load model*/
unsigned int *indexes = nullptr;
@ -122,21 +116,16 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
printf("load obj model fail\n");
}
/*创建vao*/
GLuint vao = CreateVAOWithVBOSettings([&]()->void {
/*创建vbo*/
GLuint vbo = CreateBufferObject(GL_ARRAY_BUFFER, sizeof(VertexData) * vertexCount, GL_STATIC_DRAW, vertexes);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glEnableVertexAttribArray(posLocation);
glVertexAttribPointer(posLocation, 3, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)0);
glEnableVertexAttribArray(texcoordLocation);
glVertexAttribPointer(texcoordLocation, 2, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)(sizeof(float) * 3));
glEnableVertexAttribArray(normalLocation);
glVertexAttribPointer(normalLocation, 3, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)(sizeof(float) * 5));
glBindBuffer(GL_ARRAY_BUFFER, 0);
});
/*创建vbo*/
GLuint vbo = CreateBufferObject(GL_ARRAY_BUFFER, sizeof(VertexData) * vertexCount, GL_STATIC_DRAW, vertexes);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glEnableVertexAttribArray(posLocation);
glVertexAttribPointer(posLocation, 3, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)0);
glEnableVertexAttribArray(texcoordLocation);
glVertexAttribPointer(texcoordLocation, 2, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)(sizeof(float) * 3));
glEnableVertexAttribArray(normalLocation);
glVertexAttribPointer(normalLocation, 3, GL_FLOAT, GL_FALSE, sizeof(VertexData), (void*)(sizeof(float) * 5));
glBindBuffer(GL_ARRAY_BUFFER, 0);
/*创建IBO*/
GLuint ibo = CreateBufferObject(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned int) * indexCount, GL_STATIC_DRAW, indexes);
@ -181,29 +170,9 @@ INT WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
glBindTexture(GL_TEXTURE_2D, mainTexture);
glUniform1i(textureLocation, 0);
glBindVertexArray(vao);
model = glm::translate(-1.0f, -0.5f, -3.0f) * glm::rotate(-90.0f, 0.0f, 1.0f, 0.0f)*glm::scale(0.01f, 0.01f, 0.01f);
glUniformMatrix4fv(MLocation, 1, GL_FALSE, glm::value_ptr(model));
glUniformSubroutinesuiv(GL_FRAGMENT_SHADER, 1, &ambientLightIndex);/*选的你要使用的subroutine*/
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
glDrawElements(GL_TRIANGLES, indexCount, GL_UNSIGNED_INT,0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
model = glm::translate(0.0f, -0.5f, -3.0f) * glm::rotate(-90.0f, 0.0f, 1.0f, 0.0f)*glm::scale(0.01f, 0.01f, 0.01f);
glUniformMatrix4fv(MLocation, 1, GL_FALSE, glm::value_ptr(model));
glUniformSubroutinesuiv(GL_FRAGMENT_SHADER, 1, &diffuseLightIndex);/*选的你要使用的subroutine*/
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
glDrawElements(GL_TRIANGLES, indexCount, GL_UNSIGNED_INT, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
model = glm::translate(1.0f, -0.5f, -3.0f) * glm::rotate(-90.0f, 0.0f, 1.0f, 0.0f)*glm::scale(0.01f, 0.01f, 0.01f);
glUniformMatrix4fv(MLocation, 1, GL_FALSE, glm::value_ptr(model));
glUniformSubroutinesuiv(GL_FRAGMENT_SHADER, 1, &specularLightIndex);/*选的你要使用的subroutine*/
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
glDrawElements(GL_TRIANGLES, indexCount, GL_UNSIGNED_INT, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindVertexArray(0);
glUseProgram(0);

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