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Fix OpenGL stencil clear hack. Improve example stencil reflection

This commit is contained in:
Austin Eng 2017-05-30 19:26:05 -04:00 committed by Corentin Wallez
parent 76e64a985d
commit 084346bd5f
2 changed files with 14 additions and 5 deletions
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15
examples/HelloDepthStencil.cpp
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@ -163,6 +163,15 @@ void init() {
})"
);
nxt::ShaderModule fsReflectionModule = CreateShaderModule(device, nxt::ShaderStage::Fragment, R"(
#version 450
layout(location = 2) in vec3 f_col;
out vec4 fragColor;
void main() {
fragColor = vec4(mix(f_col, vec3(0.5, 0.5, 0.5), 0.5), 1.0);
})"
);
auto inputState = device.CreateInputStateBuilder()
.SetAttribute(0, 0, nxt::VertexFormat::FloatR32G32B32, 0)
.SetAttribute(1, 0, nxt::VertexFormat::FloatR32G32B32, 3 * sizeof(float))
@ -278,7 +287,7 @@ void init() {
.SetSubpass(renderpass, 0)
.SetLayout(pl)
.SetStage(nxt::ShaderStage::Vertex, vsModule, "main")
.SetStage(nxt::ShaderStage::Fragment, fsModule, "main")
.SetStage(nxt::ShaderStage::Fragment, fsReflectionModule, "main")
.SetInputState(inputState)
.SetDepthStencilState(reflectionStencilState)
.GetResult();
@ -294,8 +303,8 @@ void frame() {
static const uint32_t vertexBufferOffsets[1] = {0};
cameraData.view = glm::lookAt(
glm::vec3(10.f * std::sin(glm::radians(s.b * 360.f)), 2.f, 10.f * std::cos(glm::radians(s.b * 360.f))),
glm::vec3(0.0f, -1.0f, 0.0f),
glm::vec3(8.f * std::sin(glm::radians(s.b * 360.f)), 2.f, 8.f * std::cos(glm::radians(s.b * 360.f))),
glm::vec3(0.0f, 0.0f, 0.0f),
glm::vec3(0.0f, 1.0f, 0.0f)
);

4
src/backend/opengl/OpenGLBackend.cpp
View File

@ -28,9 +28,9 @@ namespace opengl {
void HACKCLEAR() {
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glStencilMask(0xff);
glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
void Init(void* (*getProc)(const char*), nxtProcTable* procs, nxtDevice* device) {