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LibWeb/WebGL2: Implement a bunch of parameters read by CreepJS

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This also fixes GLfloat and GLboolean to use their appropriate glGet
functions.
This commit is contained in:
Luke Wilde 2025-01-17 18:47:06 +00:00 committed by Andreas Kling
parent 5fd130b02d
commit 927bdf909b
Notes: github-actions[bot] 2025-01-18 09:24:04 +00:00 
Author: https://github.com/Lubrsi
Commit: https://github.com/LadybirdBrowser/ladybird/commit/927bdf909b3
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3293
1 changed files with 26 additions and 3 deletions
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29
Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
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@ -188,6 +188,7 @@ static void generate_get_parameter(SourceGenerator& generator, int webgl_version
{ "MAX_DRAW_BUFFERS"sv, { "GLint"sv }, 2 },
{ "MAX_VERTEX_UNIFORM_BLOCKS"sv, { "GLint"sv }, 2 },
{ "MAX_FRAGMENT_INPUT_COMPONENTS"sv, { "GLint"sv }, 2 },
{ "MAX_FRAGMENT_UNIFORM_COMPONENTS"sv, { "GLint"sv }, 2 },
{ "MAX_COMBINED_UNIFORM_BLOCKS"sv, { "GLint"sv }, 2 },
{ "MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS"sv, { "GLint64"sv }, 2 },
{ "MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS"sv, { "GLint64"sv }, 2 },
@ -198,10 +199,20 @@ static void generate_get_parameter(SourceGenerator& generator, int webgl_version
{ "MAX_ELEMENT_INDEX"sv, { "GLint64"sv }, 2 },
{ "MAX_FRAGMENT_UNIFORM_BLOCKS"sv, { "GLint"sv }, 2 },
{ "MAX_VARYING_COMPONENTS"sv, { "GLint"sv }, 2 },
{ "MAX_ELEMENTS_INDICES"sv, { "GLint"sv }, 2 },
{ "MAX_ELEMENTS_VERTICES"sv, { "GLint"sv }, 2 },
{ "MAX_TEXTURE_LOD_BIAS"sv, { "GLfloat"sv }, 2 },
{ "MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS"sv, { "GLint"sv }, 2 },
{ "MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS"sv, { "GLint"sv }, 2 },
{ "MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS"sv, { "GLint"sv }, 2 },
{ "MIN_PROGRAM_TEXEL_OFFSET"sv, { "GLint"sv }, 2 },
{ "MAX_PROGRAM_TEXEL_OFFSET"sv, { "GLint"sv }, 2 },
{ "MAX_VERTEX_OUTPUT_COMPONENTS"sv, { "GLint"sv }, 2 },
{ "MAX_SERVER_WAIT_TIMEOUT"sv, { "GLint64"sv }, 2 },
};
auto is_primitive_type = [](StringView type) {
return type == "GLboolean"sv || type == "GLint"sv || type == "GLfloat"sv || type == "GLenum"sv || type == "GLuint"sv;
auto is_integer_type = [](StringView type) {
return type == "GLint"sv || type == "GLenum"sv || type == "GLuint"sv;
};
generator.append(" switch (pname) {");
@ -218,11 +229,23 @@ static void generate_get_parameter(SourceGenerator& generator, int webgl_version
impl_generator.set("type_name", type_name);
impl_generator.append(R"~~~(
case GL_@parameter_name@: {)~~~");
if (is_primitive_type(type_name)) {
if (is_integer_type(type_name)) {
impl_generator.append(R"~~~(
GLint result;
glGetIntegerv(GL_@parameter_name@, &result);
return JS::Value(result);
)~~~");
} else if (type_name == "GLfloat"sv) {
impl_generator.append(R"~~~(
GLfloat result;
glGetFloatv(GL_@parameter_name@, &result);
return JS::Value(result);
)~~~");
} else if (type_name == "GLboolean"sv) {
impl_generator.append(R"~~~(
GLboolean result;
glGetBooleanv(GL_@parameter_name@, &result);
return JS::Value(result == GL_TRUE);
)~~~");
} else if (type_name == "GLint64"sv) {
impl_generator.append(R"~~~(