diff options
Diffstat (limited to 'shared_cpp/OrthographicRenderer.cpp')
-rw-r--r-- | shared_cpp/OrthographicRenderer.cpp | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/shared_cpp/OrthographicRenderer.cpp b/shared_cpp/OrthographicRenderer.cpp deleted file mode 100644 index 21c13a1..0000000 --- a/shared_cpp/OrthographicRenderer.cpp +++ /dev/null @@ -1,87 +0,0 @@ -#include "OrthographicRenderer.h" -#include "WebglContext.h" -#include "mathlib.h" - -const char* orthographicVertex = -"attribute vec2 position; \n" -"attribute vec4 color; \n" -"uniform mat4 projection; \n" -"uniform mat4 model; \n" -"varying lowp vec4 VertexColor; \n" -"void main() { \n" -" vec4 fragmentPosition = projection * model * vec4(position, 1, 1); \n" -" gl_Position = fragmentPosition; \n" -" VertexColor = color; \n" -"}"; - -const char* orthographicFragment = -"varying lowp vec4 VertexColor; \n" -"void main() { \n" -" gl_FragColor = VertexColor; \n" -"}"; - -void OrthographicRenderer::load(WebglContext* context) { - printf("Compiling orthographic shader...\n"); - shader = loadShader(orthographicVertex, orthographicFragment); - - useShader(shader); - attributes.position = getShaderAttribute(shader, "position"); - attributes.color = getShaderAttribute(shader, "color"); - uniforms.projection = getShaderUniform(shader, "projection"); - uniforms.model = getShaderUniform(shader, "model"); - projection = Mat4x4().getOrthographicMatrix(0, context->width, 0, context->height); - - printf("Orthographic shader compiled.\n"); -} - -void OrthographicRenderer::render() { - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_LEQUAL); - glDepthMask(GL_TRUE); - glClearColor(0.2f, 0.3f, 0.3f, 1.0f); - glClearDepth(1.0f); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); - useShader(shader); - setShaderMat4(uniforms.projection, projection); -} - -void OrthographicRenderer::unload() { - glClearColor(0.2f, 0.3f, 0.3f, 1.0f); - glClear(GL_COLOR_BUFFER_BIT); - glDeleteProgram(shader); -} - - -void OrthographicShape::load(OrthographicVertex* inVertices, uint32 inNumVertices, OrthographicRenderer* renderer) { - numVertices = inNumVertices; - useShader(renderer->shader); - - glGenVertexArrays(1, &vao); - glBindVertexArray(vao); - - glGenBuffers(1, &vbo); - glBindBuffer(GL_ARRAY_BUFFER, vbo); - glBufferData(GL_ARRAY_BUFFER, inNumVertices * sizeof(OrthographicVertex), &inVertices[0], GL_STATIC_DRAW); - - glEnableVertexAttribArray(renderer->attributes.position); - glVertexAttribPointer(renderer->attributes.position, 2, GL_FLOAT, GL_FALSE, sizeof(OrthographicVertex), (GLvoid *)0); - - glEnableVertexAttribArray(renderer->attributes.color); - glVertexAttribPointer(renderer->attributes.color, 4, GL_FLOAT, GL_FALSE, sizeof(OrthographicVertex), (GLvoid *)offsetof(OrthographicVertex, color)); - - glBindBuffer(GL_ARRAY_BUFFER, 0); - glBindVertexArray(0); -} - -void OrthographicShape::render(OrthographicRenderer* renderer, GLenum drawType) { - setShaderMat4(renderer->uniforms.model, model); - - glBindVertexArray(vao); - glDrawArrays(drawType, 0, numVertices); - glBindVertexArray(0); -} - -void OrthographicShape::unload() { - glDeleteVertexArrays(1, &vao); - glDeleteBuffers(1, &vbo); -}
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