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Drawable Renderer (#1570), Rebase on main, squash trivial commits

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This commit is contained in:
Tim Sylvester
2023-04-19 15:49:36 -07:00
committed by Bart Louwers
parent a646cbf938
commit f76fb98745
7 changed files with 41 additions and 40 deletions
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14
include/mbgl/gfx/vertex_attribute.hpp
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@@ -33,7 +33,9 @@ public:
using int3 = std::array<std::int32_t, 3>;
using int4 = std::array<std::int32_t, 4>;
using ElementType = std::variant<std::int32_t, int2, int3, int4, float, float2, float3, matf2, matf4>;
using ElementType = std::variant<std::int32_t, int2, int3, int4,
float, float2, float3, float4,
matf3, matf4>;
// Can only be created by VertexAttributeArray implementations
protected:
@@ -75,7 +77,7 @@ public:
protected:
VertexAttribute& operator=(const VertexAttribute&) = default;
VertexAttribute& operator=(const VertexAttribute&& other) {
VertexAttribute& operator=(VertexAttribute&& other) {
index = other.index;
size = other.size;
dataType = other.dataType;
@@ -101,7 +103,8 @@ public:
VertexAttributeArray(int initCapacity = 10);
VertexAttributeArray(VertexAttributeArray &&);
VertexAttributeArray(const VertexAttributeArray&);
// Would need to use the virtual assignment operator
VertexAttributeArray(const VertexAttributeArray&) = delete;
virtual ~VertexAttributeArray() = default;
std::size_t size() const { return attrs.size(); }
@@ -123,10 +126,11 @@ public:
// Set a value if the element is present
template <typename T>
const VertexAttribute::ElementType& set(const std::string& name, std::size_t i, T value) {
bool set(const std::string& name, std::size_t i, T value) {
if (auto *item = get(name)) {
item->set(i, value);
return item->set(i, value);
}
return false;
}
/// Indicates whether any values have changed

2
include/mbgl/gl/vertex_attribute_gl.hpp
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@@ -46,7 +46,7 @@ class VertexAttributeArrayGL final : public gfx::VertexAttributeArray {
public:
VertexAttributeArrayGL(int initCapacity = 10) : VertexAttributeArray(initCapacity) { }
VertexAttributeArrayGL(VertexAttributeArrayGL &&other) : VertexAttributeArray(std::move(other)) { }
VertexAttributeArrayGL(const VertexAttributeArrayGL& other) : VertexAttributeArray(other) { }
VertexAttributeArrayGL(const VertexAttributeArrayGL&) = delete;
~VertexAttributeArrayGL() = default;
VertexAttributeArrayGL& operator=(VertexAttributeArrayGL &&other) {

2
src/mbgl/gfx/drawable_builder.cpp
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@@ -26,7 +26,7 @@ DrawablePtr DrawableBuilder::getCurrentDrawable(bool createIfNone) {
void DrawableBuilder::flush() {
if (!impl->vertices.empty()) {
auto draw = getCurrentDrawable(/*create=*/true);
auto draw = getCurrentDrawable(/*createIfNone=*/true);
currentDrawable->setDrawPriority(drawPriority);
currentDrawable->setShader(shader);
currentDrawable->setVertexAttributes(getVertexAttributes());

5
src/mbgl/gfx/vertex_attribute.cpp
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@@ -11,11 +11,6 @@ VertexAttributeArray::VertexAttributeArray(VertexAttributeArray &&other)
: attrs(std::move(other.attrs)) {
}
VertexAttributeArray::VertexAttributeArray(const VertexAttributeArray& other)
: attrs(other.attrs.size()) {
operator=(other);
}
VertexAttributeArray& VertexAttributeArray::operator=(VertexAttributeArray &&other) {
attrs = std::move(other.attrs);
return *this;

6
src/mbgl/gl/renderer_backend.cpp
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@@ -75,8 +75,7 @@ void RendererBackend::initShaders(gfx::ShaderRegistry& shaders) {
auto shader = shaders.get<gl::ShaderProgramGL>(shaderName);
if (!shader) {
constexpr auto vert = R"(
#version 300 es
constexpr auto vert = R"(#version 300 es
precision highp float;
in vec2 a_pos;
@@ -94,8 +93,7 @@ void RendererBackend::initShaders(gfx::ShaderRegistry& shaders) {
gl_Position = u_matrix * vec4(gl_Position.xy * 8192.0, 0, 1);
//gl_Position = u_matrix * vec4(a_pos, 0, 1);
})";
constexpr auto frag = R"(
#version 300 es
constexpr auto frag = R"(#version 300 es
precision highp float;
in vec4 pos;
out vec4 color;

31
src/mbgl/gl/vertex_attribute_gl.cpp
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@@ -71,22 +71,25 @@ const std::vector<uint8_t>& VertexAttributeGL::getRaw() const {
return rawData;
}
struct ApplyUniform {
GLint location;
template <typename T> void operator()(const T&);
template <> void operator()(const std::int32_t&) { }
template <> void operator()(const gfx::VertexAttribute::int2&) { }
template <> void operator()(const gfx::VertexAttribute::int3&) { }
template <> void operator()(const gfx::VertexAttribute::int4&) { }
template <> void operator()(const float& ) { }
template <> void operator()(const gfx::VertexAttribute::float2& ) { }
template <> void operator()(const gfx::VertexAttribute::float3& ) { }
template <> void operator()(const gfx::VertexAttribute::float4& ) { }
template <> void operator()(const gfx::VertexAttribute::matf3& ) { }
template <> void operator()(const gfx::VertexAttribute::matf4& value) {
namespace {
template <typename T> void applyUniform(GLint, const T&);
template <> void applyUniform(GLint, const std::int32_t&) { }
template <> void applyUniform(GLint, const gfx::VertexAttribute::int2&) { }
template <> void applyUniform(GLint, const gfx::VertexAttribute::int3&) { }
template <> void applyUniform(GLint, const gfx::VertexAttribute::int4&) { }
template <> void applyUniform(GLint, const float& ) { }
template <> void applyUniform(GLint, const gfx::VertexAttribute::float2& ) { }
template <> void applyUniform(GLint, const gfx::VertexAttribute::float3& ) { }
template <> void applyUniform(GLint, const gfx::VertexAttribute::float4& ) { }
template <> void applyUniform(GLint, const gfx::VertexAttribute::matf3& ) { }
template <> void applyUniform(GLint location, const gfx::VertexAttribute::matf4& value) {
MBGL_CHECK_ERROR(glUniformMatrix4fv(location, 1, GL_FALSE, &value[0]));
}
}
struct ApplyUniform {
GLint location;
template <typename T> void operator()(const T& value) { applyUniform(location, value); }
};
void VertexAttributeArrayGL::applyUniforms(const gfx::ShaderProgramBase& shader) {

11
src/mbgl/shaders/gl/shader_program_gl.cpp
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@@ -119,13 +119,13 @@ std::shared_ptr<ShaderProgramGL> ShaderProgramGL::create(
MBGL_CHECK_ERROR(glGetProgramiv(program, GL_ACTIVE_UNIFORMS, &count));
MBGL_CHECK_ERROR(glGetProgramiv(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &maxLength));
auto name = std::make_unique<GLchar[]>(maxLength);
auto name = std::vector<GLchar>(maxLength);
for (GLint index = 0; index < count; ++index) {
GLsizei length = 0;
GLint size = 0;
GLenum glType = 0;
MBGL_CHECK_ERROR(glGetActiveUniform(program, index, maxLength, &length, &size, &glType, name.get()));
addAttr(uniforms, name.get(), index, length, size, glType);
MBGL_CHECK_ERROR(glGetActiveUniform(program, index, maxLength, &length, &size, &glType, &name[0]));
addAttr(uniforms, &name[0], index, length, size, glType);
}
VertexAttributeArrayGL attrs;
@@ -133,12 +133,13 @@ std::shared_ptr<ShaderProgramGL> ShaderProgramGL::create(
count = 0;
MBGL_CHECK_ERROR(glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &count));
MBGL_CHECK_ERROR(glGetProgramiv(program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &maxLength));
name.resize(maxLength);
for (GLint index = 0; index < count; ++index) {
GLsizei length = 0; // "number of characters actually written in name (excluding the null terminator)"
GLint size = 0; // "size of the attribute variable, in units of the type returned in type"
GLenum glType = 0;
MBGL_CHECK_ERROR(glGetActiveAttrib(program, index, maxLength, &length, &size, &glType, name.get()));
addAttr(attrs, name.get(), index, length, size, glType);
MBGL_CHECK_ERROR(glGetActiveAttrib(program, index, maxLength, &length, &size, &glType, &name[0]));
addAttr(attrs, &name[0], index, length, size, glType);
}
return std::make_shared<ShaderProgramGL>(std::move(program), std::move(uniforms), std::move(attrs));