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[Fix, Test] (GLImpl, MG_Test): raise a draw's mode INVALID_ENUM before the no-current-program guard

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swung0x48
2026-08-20 05:10:38 -04:00
parent 916702629e
commit 1e8d4661e6
2 changed files with 69 additions and 4 deletions
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MobileGL/MG_Impl/GLImpl/Drawing/GL_Drawing.cpp
+34 -4
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@@ -162,11 +162,23 @@ namespace MobileGL::MG_Impl::GLImpl {
}
}
// The `mode` INVALID_ENUM in isolation, so a draw entry point can raise it BEFORE any of the
// state-dependent INVALID_OPERATIONs below. GL 4.6 core 10.4 makes a bad mode INVALID_ENUM
// unconditionally, while "no current program" is not even a spec-listed draw error - it is
// MobileGL's own null-dereference guard - so it must never shadow the enum check
// (KHR-GL31.api.coverage calls glDrawArraysInstanced/glDrawElementsInstanced with mode
// GL_POINTS-1 against a bare context and pins GL_INVALID_ENUM).
static Bool ValidatePrimitiveModeEnum(const char* functionName, GLenum mode) {
if (IsAcceptedPrimitiveMode(mode)) return true;
MG_State::pGLContext->RecordError(
ErrorCode::InvalidEnum,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", functionName, "mode is not an accepted primitive type."));
return false;
}
static Bool ValidatePrimitiveModeForBackend(const char* functionName, GLenum mode) {
if (!IsAcceptedPrimitiveMode(mode)) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidEnum,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", functionName, "mode is not an accepted primitive type."));
if (!ValidatePrimitiveModeEnum(functionName, mode)) {
return false;
}
@@ -607,12 +619,14 @@ namespace MobileGL::MG_Impl::GLImpl {
}
void MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect, GLsizei drawcount, GLsizei stride) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
MultiDrawElementsIndirect_Backend(mode, type, indirect, drawcount, stride);
}
void MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount, GLsizei stride) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
MultiDrawArraysIndirect_Backend(mode, indirect, drawcount, stride);
@@ -726,12 +740,14 @@ namespace MobileGL::MG_Impl::GLImpl {
void DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type,
const void* indices, GLint basevertex) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawRangeElementsBaseVertex_Backend(mode, start, end, count, type, indices, basevertex);
}
void DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawRangeElements_Backend(mode, start, end, count, type, indices);
@@ -739,6 +755,7 @@ namespace MobileGL::MG_Impl::GLImpl {
void DrawElementsInstancedBaseVertexBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
GLsizei instancecount, GLint basevertex, GLuint baseinstance) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawElementsInstancedBaseVertexBaseInstance_Backend(mode, count, type, indices, instancecount, basevertex,
@@ -747,6 +764,7 @@ namespace MobileGL::MG_Impl::GLImpl {
void DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices,
GLsizei instancecount, GLint basevertex) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawElementsInstancedBaseVertex_Backend(mode, count, type, indices, instancecount, basevertex);
@@ -754,18 +772,21 @@ namespace MobileGL::MG_Impl::GLImpl {
void DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
GLsizei instancecount, GLuint baseinstance) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawElementsInstancedBaseInstance_Backend(mode, count, type, indices, instancecount, baseinstance);
}
void DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei instancecount) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawElementsInstanced_Backend(mode, count, type, indices, instancecount);
}
void DrawElementsIndirect(GLenum mode, GLenum type, const void* indirect) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
if (!ValidateDrawElementsIndexType(__func__, type)) return;
@@ -775,18 +796,21 @@ namespace MobileGL::MG_Impl::GLImpl {
void DrawArraysInstancedBaseInstance(GLenum mode, GLint first, GLsizei count, GLsizei instancecount,
GLuint baseinstance) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawArraysInstancedBaseInstance_Backend(mode, first, count, instancecount, baseinstance);
}
void DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instancecount) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
DrawArraysInstanced_Backend(mode, first, count, instancecount);
}
void DrawArraysIndirect(GLenum mode, const void* indirect) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
if (!ValidateIndirectDrawSource(__func__, indirect, kDrawArraysIndirectCommandBytes)) return;
@@ -794,6 +818,7 @@ namespace MobileGL::MG_Impl::GLImpl {
}
void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices, GLint basevertex) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
AccountTransformFeedbackPrimitives(mode, count);
@@ -801,6 +826,7 @@ namespace MobileGL::MG_Impl::GLImpl {
}
void DrawArrays(GLenum mode, GLint first, GLsizei count) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
AccountTransformFeedbackPrimitives(mode, count);
@@ -808,6 +834,7 @@ namespace MobileGL::MG_Impl::GLImpl {
}
void MultiDrawArrays(GLenum mode, const GLint* first, const GLsizei* count, GLsizei drawcount) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
if (drawcount < 0) {
@@ -821,6 +848,7 @@ namespace MobileGL::MG_Impl::GLImpl {
void MultiDrawElements(GLenum mode, const GLsizei* count, GLenum type, const void* const* indices,
GLsizei drawcount) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
MultiDrawElements_Backend(mode, count, type, indices, drawcount);
@@ -828,6 +856,7 @@ namespace MobileGL::MG_Impl::GLImpl {
void MultiDrawElementsBaseVertex(GLenum mode, const GLsizei* count, GLenum type, const void* const* indices,
GLsizei drawcount, const GLint* basevertex) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
MultiDrawElementsBaseVertex_Backend(mode, count, type, indices, drawcount, basevertex);
@@ -838,6 +867,7 @@ namespace MobileGL::MG_Impl::GLImpl {
}
void DrawElements(GLenum mode, GLsizei count, GLenum type, const void* indices) {
if (!ValidatePrimitiveModeEnum(__func__, mode)) return;
if (!ValidateCurrentProgramForExecution(__func__)) return;
if (!ValidatePrimitiveModeForBackend(__func__, mode)) return;
AccountTransformFeedbackPrimitives(mode, count);